import './style.css';

// =====================================================================
//  KIA COMMAND CENTER — v3.0 Multi-Role Edition
//  Features: Multi-Role Auth, Streaming, Toast Notifications,
//            Dashboard Animations, Classification Badges, Confidence,
//            Processing Status, Post-Response Suggestions, Shortcuts
// =====================================================================

// --- DOM REFERENCES ---
const chatBox = document.getElementById('chat-box');
const chatInput = document.getElementById('chat-input');
const sendBtn = document.getElementById('send-btn');
const ttsAudio = document.getElementById('tts-audio');
const fileInput = document.getElementById('file-upload');
const recordBtn = document.getElementById('record-btn');
const clock = document.getElementById('military-clock');

// API URL
const API_BASE = window.location.origin === "http://localhost:5173"
    ? 'http://localhost:8001/api'
    : '/api';

// --- STATE ---
let scannedTextCache = "";
let isThinking = false;
let sessionId = localStorage.getItem('shp_session_id') || "";
let currentView = 'dashboard';
let mapInstance = null;
let ttsEnabled = false;
let typewriterEnabled = true;
let currentRole = localStorage.getItem('shp_role') || "";
let currentClassification = "I PAKLASIFIKUAR";
let messageIndex = 0; // Global counter for feedback tracking

// Role display config
const ROLE_CONFIG = {
    visitor:   { name: "Vizitor",    classification: "I PAKLASIFIKUAR", color: "green",  greeting: "Vizitor i nderuar" },
    officer:   { name: "Oficer",     classification: "I KUFIZUAR",      color: "yellow", greeting: "I nderuar Oficer" },
    commander: { name: "Komandant",  classification: "KONFIDENCIAL",    color: "orange", greeting: "Komandant i nderuar" },
    general:   { name: "Gjeneral",   classification: "SEKRET",          color: "red",    greeting: "Shkëlqesia juaj, Gjeneral" },
};

// =====================================================================
//  ROLE SELECTION SCREEN
// =====================================================================
function initRoleScreen() {
    const roleScreen = document.getElementById('role-screen');
    const loginOverlay = document.getElementById('login-overlay');
    const accessInput = document.getElementById('access-code-input');
    const loginSubmitBtn = document.getElementById('login-submit-btn');
    const loginCancelBtn = document.getElementById('login-cancel-btn');
    const loginRoleTxt = document.getElementById('login-role-txt');
    
    if (!roleScreen) return;

    // If already has a role and token, skip (simplification for prototype)
    if (localStorage.getItem('shp_token') && currentRole && ROLE_CONFIG[currentRole]) {
        roleScreen.style.display = 'none';
        applyRole(currentRole);
        showLoadingScreen();
        return;
    }

    roleScreen.style.display = 'flex';
    let pendingRole = null;
    let pendingCard = null;

    document.querySelectorAll('.role-card').forEach(card => {
        card.addEventListener('click', () => {
            pendingRole = card.dataset.role;
            pendingCard = card;
            const config = ROLE_CONFIG[pendingRole];
            
            if (pendingRole === 'visitor') {
                // No password needed for visitor
                attemptLogin(pendingRole, "", card, roleScreen);
            } else {
                loginRoleTxt.textContent = `Akses: ${config.classification}`;
                loginOverlay.classList.remove('hidden');
                accessInput.value = '';
                accessInput.focus();
            }
        });
    });

    loginCancelBtn?.addEventListener('click', () => {
        loginOverlay.classList.add('hidden');
        pendingRole = null;
        pendingCard = null;
    });

    loginSubmitBtn?.addEventListener('click', () => {
        if (pendingRole) {
            attemptLogin(pendingRole, accessInput.value, pendingCard, roleScreen);
        }
    });

    accessInput?.addEventListener('keypress', (e) => {
        if (e.key === 'Enter' && pendingRole) {
            attemptLogin(pendingRole, accessInput.value, pendingCard, roleScreen);
        }
    });
}

async function attemptLogin(role, accessCode, card, roleScreen) {
    const loginOverlay = document.getElementById('login-overlay');
    
    try {
        const res = await fetch(`${API_BASE}/auth/login`, {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify({ role: role, access_code: accessCode })
        });

        if (res.ok) {
            const data = await res.json();
            currentRole = role;
            localStorage.setItem('shp_role', role);
            localStorage.setItem('shp_token', data.access_token);
            
            if (loginOverlay) loginOverlay.classList.add('hidden');
            
            card.classList.add('selected');
            setTimeout(() => {
                roleScreen.classList.add('fade-out');
                setTimeout(() => {
                    roleScreen.style.display = 'none';
                    applyRole(role);
                    showLoadingScreen();
                }, 500);
            }, 300);
        } else {
            const err = await res.json();
            alert(err.detail || "Verifikimi dështoi");
        }
    } catch(e) {
        alert("Gabim lidhjeje me serverin e verifikimit");
    }
}

function applyRole(role) {
    const config = ROLE_CONFIG[role] || ROLE_CONFIG.visitor;
    currentClassification = config.classification;

    // Update classification banner
    const banner = document.getElementById('classification-banner');
    if (banner) {
        banner.textContent = config.classification;
        banner.className = `classification-banner class-${config.color}`;
    }

    // Update user badge
    const badge = document.getElementById('user-badge');
    const label = document.getElementById('user-role-label');
    if (badge) badge.className = `user-badge role-${config.color}`;
    if (label) label.textContent = config.name.toUpperCase();

    // Update welcome title
    const welcome = document.getElementById('welcome-title');
    if (welcome) welcome.textContent = `Mirë se vini, ${config.greeting}`;

    // Update initial chat message classification tag
    const tag = document.getElementById('msg-class-tag');
    if (tag) {
        tag.textContent = config.classification;
        tag.className = `msg-classification class-${config.color}`;
    }
}

// =====================================================================
//  LOADING SCREEN WITH REAL STEPS
// =====================================================================
function showLoadingScreen() {
    const loadingScreen = document.getElementById('loading-screen');
    if (!loadingScreen) return;

    loadingScreen.classList.remove('hidden');
    loadingScreen.style.display = 'flex';

    const progressBar = document.getElementById('progress-bar');
    const steps = document.querySelectorAll('.loader-step');

    // Animate steps sequentially
    let stepIndex = 0;
    const stepInterval = setInterval(() => {
        if (stepIndex < steps.length) {
            steps[stepIndex].classList.add('active');
            if (progressBar) progressBar.style.width = `${((stepIndex + 1) / steps.length) * 100}%`;
            stepIndex++;
        } else {
            clearInterval(stepInterval);
        }
    }, 600);

    // Start health check
    bootSystem();
}

let healthRetries = 0;
const MAX_HEALTH_RETRIES = 5;

async function bootSystem() {
    try {
        const res = await fetch(`${API_BASE}/health`);
        if (res.ok) {
            const data = await res.json();
            updateDashboardData(data);
            finishLoading();
            return;
        }
    } catch (e) {
        console.warn("Health check failed, retry:", healthRetries);
    }

    healthRetries++;
    if (healthRetries < MAX_HEALTH_RETRIES) {
        setTimeout(bootSystem, 2000);
    } else {
        // Fallback: show app anyway
        finishLoading();
        showToast("⚠️ Sistemi u nis pa lidhje me serverin", "warning");
    }
}

function finishLoading() {
    const loaderText = document.getElementById('loader-text');
    if (loaderText) loaderText.textContent = "SISTEMI OPERACIONAL. NISJA...";

    const progressBar = document.getElementById('progress-bar');
    if (progressBar) {
        progressBar.style.width = '100%';
        progressBar.style.animation = 'none';
    }

    // Mark all steps complete
    document.querySelectorAll('.loader-step').forEach(s => s.classList.add('active', 'done'));

    setTimeout(() => {
        document.getElementById('loading-screen')?.classList.add('hidden');
        document.getElementById('app')?.classList.add('ready');
    }, 800);
}

// =====================================================================
//  MILITARY CLOCK
// =====================================================================
function updateClock() {
    const now = new Date();
    const h = String(now.getHours()).padStart(2, '0');
    const m = String(now.getMinutes()).padStart(2, '0');
    const s = String(now.getSeconds()).padStart(2, '0');
    if (clock) clock.textContent = `${h}:${m}:${s}`;
}
setInterval(updateClock, 1000);
updateClock();

function getTimeStr() {
    const now = new Date();
    return `${String(now.getHours()).padStart(2, '0')}:${String(now.getMinutes()).padStart(2, '0')}:${String(now.getSeconds()).padStart(2, '0')}`;
}

// =====================================================================
//  TOAST NOTIFICATION SYSTEM
// =====================================================================
function showToast(message, type = 'info', duration = 4000) {
    const container = document.getElementById('toast-container');
    if (!container) return;

    const toast = document.createElement('div');
    toast.className = `toast toast-${type}`;

    const icons = { info: 'ℹ️', success: '✅', warning: '⚠️', error: '❌' };
    toast.innerHTML = `
        <span class="toast-icon">${icons[type] || icons.info}</span>
        <span class="toast-msg">${message}</span>
    `;

    container.appendChild(toast);

    // Trigger animation
    requestAnimationFrame(() => toast.classList.add('show'));

    setTimeout(() => {
        toast.classList.remove('show');
        toast.classList.add('hide');
        setTimeout(() => toast.remove(), 400);
    }, duration);
}

// =====================================================================
//  VIEW ROUTER
// =====================================================================
function switchView(viewName) {
    currentView = viewName;

    document.querySelectorAll('.view').forEach(v => v.classList.remove('active'));
    const target = document.getElementById(`view-${viewName}`);
    if (target) target.classList.add('active');

    document.querySelectorAll('.nav-item').forEach(n => n.classList.remove('active'));
    const navBtn = document.querySelector(`[data-view="${viewName}"]`);
    if (navBtn) navBtn.classList.add('active');

    if (viewName === 'map' && !mapInstance) {
        setTimeout(initMap, 100);
    }

    if (viewName === 'dashboard') {
        checkHealth();
    }

    document.getElementById('sidebar')?.classList.remove('open');
}

// Nav item clicks
document.querySelectorAll('.nav-item').forEach(btn => {
    btn.addEventListener('click', () => switchView(btn.dataset.view));
});

// Dashboard "Start Chat" button
document.getElementById('start-chat-btn')?.addEventListener('click', () => switchView('chat'));

// Quick action buttons
document.querySelectorAll('.quick-action[data-query]').forEach(btn => {
    btn.addEventListener('click', () => {
        switchView('chat');
        setTimeout(() => sendMessage(btn.dataset.query), 200);
    });
});

// Quick upload button on dashboard
document.getElementById('quick-upload')?.addEventListener('click', () => {
    switchView('documents');
});

// SITREP generator button on dashboard
document.getElementById('quick-sitrep')?.addEventListener('click', () => {
    generateSitrep();
});

// Mobile menu toggle
document.getElementById('mobile-menu-btn')?.addEventListener('click', () => {
    document.getElementById('sidebar')?.classList.toggle('open');
});

// =====================================================================
//  MARKDOWN RENDERING
// =====================================================================
function renderMarkdown(text) {
    text = text.replace(/\*\*(.*?)\*\*/g, '<strong>$1</strong>');
    text = text.replace(/__(.*?)__/g, '<strong>$1</strong>');
    text = text.replace(/(?<!\*)\*(?!\*)(.*?)\*(?!\*)/g, '<em>$1</em>');
    text = text.replace(/\[(VLERËSIMI I SITUATËS|ANALIZA INTELIGJENTE|ANALIZA KRAHASUESE|REKOMANDIMI)\]/g,
        '<div class="section-header">◆ $1</div>');
    text = text.replace(/^[•\-]\s+(.+)$/gm, '<div class="bullet-item">• $1</div>');
    text = text.replace(/^(\d+)\.\s+(.+)$/gm, '<div class="numbered-item"><span class="num">$1.</span> $2</div>');
    text = text.replace(/\n\n/g, '<br><br>');
    text = text.replace(/\n/g, '<br>');
    return text;
}

// =====================================================================
//  SUGGESTION CHIPS
// =====================================================================
async function loadSuggestions() {
    const container = document.getElementById('suggestions');
    if (!container) return;

    container.innerHTML = '';

    const fallback = [
        "Cili është zinxhiri i komandimit?",
        "Buxheti i mbrojtjes 2026",
        "Misionet KFOR",
        "Pajisjet e reja ushtarake",
        "Departamentet J",
        "Bashkëpunimi NATO",
    ];

    let questions = fallback;
    try {
        const res = await fetch(`${API_BASE}/suggestions?role=${currentRole || 'visitor'}`);
        const data = await res.json();
        if (data.suggestions?.length) questions = data.suggestions;
    } catch (e) { /* use fallback */ }

    questions.forEach(q => {
        const chip = document.createElement('button');
        chip.className = 'suggestion-chip';
        chip.innerText = q;
        chip.addEventListener('click', () => {
            chatInput.value = q;
            sendMessage(q);
            container.style.display = 'none';
        });
        container.appendChild(chip);
    });
}

// =====================================================================
//  CHAT — MESSAGE HANDLING
// =====================================================================
function showProcessingStatus() {
    const ps = document.getElementById('processing-status');
    if (ps) {
        ps.style.display = 'flex';
        const ragStep = document.getElementById('ps-rag');
        const modelStep = document.getElementById('ps-model');
        if (ragStep) ragStep.classList.add('active');
        if (modelStep) modelStep.classList.remove('active');

        // After 1s, show model step
        setTimeout(() => {
            if (ragStep) ragStep.classList.add('done');
            if (modelStep) modelStep.classList.add('active');
        }, 800);
    }
}

function hideProcessingStatus() {
    const ps = document.getElementById('processing-status');
    if (ps) {
        ps.style.display = 'none';
        document.getElementById('ps-rag')?.classList.remove('active', 'done');
        document.getElementById('ps-model')?.classList.remove('active', 'done');
    }
}

function showThinking() {
    const div = document.createElement('div');
    div.className = 'message bot';
    div.id = 'thinking-indicator';

    div.innerHTML = `
        <div class="msg-avatar">
            <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><path d="M12 16v-4"/><path d="M12 8h.01"/></svg>
        </div>
        <div class="msg-body">
            <div class="msg-meta">
                <span class="msg-sender">KIA</span>
                <span class="msg-time">Duke procesuar...</span>
            </div>
            <div class="msg-content">
                <div class="thinking-dots"><span></span><span></span><span></span></div>
            </div>
        </div>
    `;

    chatBox.appendChild(div);
    chatBox.scrollTop = chatBox.scrollHeight;
}

function removeThinking() {
    const el = document.getElementById('thinking-indicator');
    if (el) el.remove();
}

// Manual TTS Helper
async function speakText(text) {
    try {
        const dummyForm = new FormData();
        dummyForm.append("text", text.substring(0, 500));
        const res = await fetch(`${API_BASE}/tts`, { method: "POST", body: dummyForm });
        if (res.ok) {
            const audioBlob = await res.blob();
            ttsAudio.src = URL.createObjectURL(audioBlob);
            ttsAudio.play().catch(() => {});
        }
    } catch (err) {
        console.warn("TTS playback failed:", err);
    }
}

function createBotMessageContainer() {
    const div = document.createElement('div');
    div.className = 'message bot';
    
    const avatarSvg = '<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><path d="M12 16v-4"/><path d="M12 8h.01"/></svg>';
    const roleConfig = ROLE_CONFIG[currentRole] || ROLE_CONFIG.visitor;
    const classTag = `<span class="msg-classification class-${roleConfig.color}">${roleConfig.classification}</span>`;

    div.innerHTML = `
        <div class="msg-avatar">${avatarSvg}</div>
        <div class="msg-body">
            <div class="msg-meta">
                <span class="msg-sender">KIA</span>
                <span class="msg-time">${getTimeStr()}</span>
                ${classTag}
                <span class="conf-placeholder"></span>
            </div>
            <div class="msg-content"><span class="msg-text typing"></span></div>
        </div>
    `;

    chatBox.appendChild(div);
    chatBox.scrollTop = chatBox.scrollHeight;
    
    return {
        container: div,
        textSpan: div.querySelector('.msg-text'),
        contentDiv: div.querySelector('.msg-content'),
        metaDiv: div.querySelector('.msg-meta'),
        confPlaceholder: div.querySelector('.conf-placeholder')
    };
}

function finalizeBotMessageActions(contentDiv, text, meta, sources, userQuery = '') {
    const textSpan = contentDiv.querySelector('.msg-text');
    if (textSpan) textSpan.classList.remove('typing');

    const actionsDiv = document.createElement('div');
    actionsDiv.className = 'msg-actions';

    const copyBtn = document.createElement('button');
    copyBtn.className = 'msg-action-btn';
    copyBtn.innerHTML = '📋 Kopjo';
    copyBtn.addEventListener('click', () => {
        navigator.clipboard.writeText(text);
        copyBtn.innerHTML = '✅ Kopjuar';
        showToast('Teksti u kopjua', 'success', 2000);
        setTimeout(() => copyBtn.innerHTML = '📋 Kopjo', 2000);
    });
    actionsDiv.appendChild(copyBtn);

    const speakerBtn = document.createElement('button');
    speakerBtn.className = 'msg-action-btn';
    speakerBtn.innerHTML = '🔊 Dëgjo';
    speakerBtn.addEventListener('click', () => speakText(text));
    actionsDiv.appendChild(speakerBtn);

    // Feedback buttons (👍/👎)
    const currentMsgIdx = messageIndex++;
    const feedbackGroup = document.createElement('span');
    feedbackGroup.className = 'feedback-group';
    
    const thumbUp = document.createElement('button');
    thumbUp.className = 'msg-action-btn feedback-btn';
    thumbUp.innerHTML = '👍';
    thumbUp.title = 'Përgjigje e mirë';
    
    const thumbDown = document.createElement('button');
    thumbDown.className = 'msg-action-btn feedback-btn';
    thumbDown.innerHTML = '👎';
    thumbDown.title = 'Përgjigje e dobët';
    
    const handleFeedback = async (rating, btn, otherBtn) => {
        btn.classList.add('feedback-active');
        otherBtn.classList.remove('feedback-active');
        btn.disabled = true;
        otherBtn.disabled = true;
        
        try {
            const shpToken = localStorage.getItem('shp_token') || '';
            await fetch(`${API_BASE}/feedback`, {
                method: 'POST',
                headers: { 'Content-Type': 'application/json', 'Authorization': `Bearer ${shpToken}` },
                body: JSON.stringify({
                    session_id: sessionId,
                    message_index: currentMsgIdx,
                    rating: rating,
                    query: userQuery,
                    response_preview: text.substring(0, 300)
                })
            });
            showToast(rating === 'up' ? '👍 Faleminderit!' : '📝 Vlerësimi u regjistrua', 'success', 2000);
        } catch(e) {
            console.warn('Feedback failed:', e);
        }
    };
    
    thumbUp.addEventListener('click', () => handleFeedback('up', thumbUp, thumbDown));
    thumbDown.addEventListener('click', () => handleFeedback('down', thumbDown, thumbUp));
    
    feedbackGroup.appendChild(thumbUp);
    feedbackGroup.appendChild(thumbDown);
    actionsDiv.appendChild(feedbackGroup);

    if (meta?.latency_ms) {
        const latencySpan = document.createElement('span');
        latencySpan.className = 'msg-latency';
        latencySpan.textContent = `⏱️ ${(meta.latency_ms / 1000).toFixed(1)}s`;
        actionsDiv.appendChild(latencySpan);
        const intelLatency = document.getElementById('intel-latency');
        if (intelLatency) intelLatency.textContent = `${meta.latency_ms}ms`;
    }

    contentDiv.appendChild(actionsDiv);

    if (sources && sources.length > 0) {
        const sourcesDiv = document.createElement('div');
        sourcesDiv.className = 'msg-sources';
        sources.forEach(s => {
            const badge = document.createElement('span');
            badge.className = 'source-badge';
            badge.innerHTML = `<span class="source-dot"></span> ${s}`;
            sourcesDiv.appendChild(badge);
        });
        contentDiv.appendChild(sourcesDiv);
        updateIntelSources(sources);
    }

    if (text.length > 100) {
        showPostSuggestions(text);
    }
}

async function appendMessage(text, isUser, sources = [], meta = null) {
    if (!isUser) {
        const bot = createBotMessageContainer();
        if (meta?.confidence) {
            const confMap = {
                high:   { icon: '🟢', text: 'Burime zyrtare', cls: 'conf-high' },
                medium: { icon: '🟡', text: 'Informacion i përgjithshëm', cls: 'conf-medium' },
                low:    { icon: '🔴', text: 'Pa burime direkte', cls: 'conf-low' },
            };
            const c = confMap[meta.confidence] || confMap.low;
            bot.confPlaceholder.innerHTML = `<span class="confidence-badge ${c.cls}">${c.icon} ${c.text}</span>`;
        }
        bot.textSpan.innerHTML = renderMarkdown(text);
        finalizeBotMessageActions(bot.contentDiv, text, meta, sources);
        return;
    }

    // User message
    const div = document.createElement('div');
    div.className = 'message user';
    const avatarSvg = '<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M20 21v-2a4 4 0 00-4-4H8a4 4 0 00-4 4v2"/><circle cx="12" cy="7" r="4"/></svg>';
    div.innerHTML = `
        <div class="msg-avatar">${avatarSvg}</div>
        <div class="msg-body">
            <div class="msg-meta">
                <span class="msg-sender">${(ROLE_CONFIG[currentRole] || ROLE_CONFIG.visitor).name.toUpperCase()}</span>
                <span class="msg-time">${getTimeStr()}</span>
            </div>
            <div class="msg-content"><span class="msg-text"></span></div>
        </div>
    `;
    chatBox.appendChild(div);
    div.querySelector('.msg-text').innerText = text;
    chatBox.scrollTop = chatBox.scrollHeight;
}

// =====================================================================
//  POST-RESPONSE SUGGESTIONS
// =====================================================================
function showPostSuggestions(responseText) {
    // Remove existing
    document.querySelectorAll('.post-suggestions').forEach(el => el.remove());

    const suggestions = generateRelatedQuestions(responseText);
    if (suggestions.length === 0) return;

    const container = document.createElement('div');
    container.className = 'post-suggestions';
    container.innerHTML = '<span class="ps-label">Pyetje ngjashme:</span>';

    suggestions.forEach(q => {
        const chip = document.createElement('button');
        chip.className = 'post-suggestion-chip';
        chip.textContent = q;
        chip.addEventListener('click', () => {
            container.remove();
            sendMessage(q);
        });
        container.appendChild(chip);
    });

    chatBox.appendChild(container);
    chatBox.scrollTop = chatBox.scrollHeight;
}

function generateRelatedQuestions(text) {
    const questions = [];
    const lowerText = text.toLowerCase();

    if (lowerText.includes('buxhet') || lowerText.includes('financ')) {
        questions.push('Si krahasohet buxheti me vendet fqinje?');
    }
    if (lowerText.includes('nato') || lowerText.includes('aleancë')) {
        questions.push('Cilat janë detyrimet e Shqipërisë ndaj NATO?');
    }
    if (lowerText.includes('forc') || lowerText.includes('ushtri')) {
        questions.push('Sa persona shërbejnë aktualisht në FA?');
    }
    if (lowerText.includes('misione') || lowerText.includes('kfor')) {
        questions.push('Cilat janë misionet aktive tani?');
    }
    if (lowerText.includes('modern') || lowerText.includes('pajisje')) {
        questions.push('Cilat janë projektet e ardhshme të modernizimit?');
    }
    if (lowerText.includes('shtab') || lowerText.includes('komandim')) {
        questions.push('Si funksionon departamenti J-3?');
    }

    // Always add a general follow-up
    if (questions.length === 0) {
        questions.push('Më jep më shumë detaje');
    }

    return questions.slice(0, 3);
}

// Update Intel Panel with sources
function updateIntelSources(sources) {
    const section = document.getElementById('sources-section');
    const list = document.getElementById('sources-list');
    if (!section || !list) return;

    section.style.display = 'block';
    list.innerHTML = '';

    sources.forEach(s => {
        const item = document.createElement('div');
        item.className = 'source-item';
        item.innerHTML = `<span class="si-icon"></span> ${s}`;
        list.appendChild(item);
    });
}

// =====================================================================
//  SLASH COMMANDS
// =====================================================================
const SLASH_COMMANDS = {
    '/mot':    { description: 'Moti taktik', transform: (args) => `Si është moti në ${args || 'Kuçovë'}?` },
    '/detar':  { description: 'Kushtet detare', transform: (args) => `Si janë kushtet detare në ${args || 'Pashaliman'}?` },
    '/lajme':  { description: 'Lajmet e fundit', transform: (args) => `Cilat janë lajmet e fundit ${args ? 'për ' + args : 'të mbrojtjes'}?` },
    '/nato':   { description: 'Zhvillimet NATO', transform: () => 'Cilat janë zhvillimet e fundit në NATO?' },
    '/termet': { description: 'Aktiviteti sizmik', transform: () => 'Ka pasur tërmete afër Shqipërisë kohët e fundit?' },
    '/kurs':   { description: 'Kursi i këmbimit', transform: () => 'Sa është kursi i këmbimit EUR/LEK sot?' },
    '/sitrep': { description: 'Gjeneroj SITREP', action: 'sitrep' },
    '/pastro': { description: 'Pastro bisedën', action: 'clear' },
    '/help':   { description: 'Ndihmë komandat', action: 'help' },
};

function handleSlashCommand(input) {
    const parts = input.trim().split(/\s+/);
    const cmd = parts[0].toLowerCase();
    const args = parts.slice(1).join(' ');
    
    const command = SLASH_COMMANDS[cmd];
    if (!command) return null;
    
    if (command.action === 'help') {
        let helpText = '**⌨️ Komandat e Disponueshme:**\n\n';
        Object.entries(SLASH_COMMANDS).forEach(([key, val]) => {
            helpText += `• \`${key}\` — ${val.description}\n`;
        });
        helpText += '\n_Shkruani komandën dhe shtypni Enter_';
        appendMessage(helpText, false);
        return 'handled';
    }
    
    if (command.action === 'clear') {
        document.getElementById('new-session-btn')?.click();
        return 'handled';
    }
    
    if (command.action === 'sitrep') {
        generateSitrep();
        return 'handled';
    }
    
    if (command.transform) {
        return command.transform(args);
    }
    
    return null;
}

// =====================================================================
//  CHAT — SEND MESSAGE
// =====================================================================
async function sendMessage(message) {
    if (!message || isThinking) return;

    // Check for slash commands
    if (message.startsWith('/')) {
        const result = handleSlashCommand(message);
        if (result === 'handled') {
            chatInput.value = '';
            return;
        }
        if (result) {
            message = result; // Transform command to natural query
        }
    }

    isThinking = true;
    chatInput.disabled = true;
    sendBtn.disabled = true;

    // Hide suggestions
    const suggestions = document.getElementById('suggestions');
    if (suggestions) suggestions.style.display = 'none';

    // Remove post-suggestions
    document.querySelectorAll('.post-suggestions').forEach(el => el.remove());

    appendMessage(message, true);
    chatInput.value = '';

    showThinking();
    showProcessingStatus();

    try {
        const shpToken = localStorage.getItem('shp_token') || "";
        const res = await fetch(`${API_BASE}/chat`, {
            method: "POST",
            headers: { 
                "Content-Type": "application/json",
                "Authorization": `Bearer ${shpToken}`
            },
            body: JSON.stringify({
                message: message,
                scanned_text: scannedTextCache,
                session_id: sessionId
            })
        });

        if (!res.ok) {
            throw new Error(`HTTP ${res.status}`);
        }

        removeThinking();
        hideProcessingStatus();

        const botElement = createBotMessageContainer();
        const reader = res.body.getReader();
        const decoder = new TextDecoder("utf-8");
        let buffer = "";
        let fullResponse = "";
        let finalSources = [];
        let finalMeta = null;

        while (true) {
            const { done, value } = await reader.read();
            if (done) break;
            
            buffer += decoder.decode(value, { stream: true });
            const lines = buffer.split('\n\n');
            buffer = lines.pop(); // keep partial chunks

            for (const line of lines) {
                if (line.startsWith('data: ')) {
                    try {
                        const data = JSON.parse(line.substring(6));
                        if (data.type === 'meta') {
                            finalSources = data.sources || [];
                            finalMeta = data.meta || null;
                            if (data.session_id) {
                                sessionId = data.session_id;
                                localStorage.setItem('shp_session_id', sessionId);
                            }
                            if (finalMeta?.confidence) {
                                const confMap = {
                                    high:   { icon: '🟢', text: 'Burime zyrtare', cls: 'conf-high' },
                                    medium: { icon: '🟡', text: 'Informacion i përgjithshëm', cls: 'conf-medium' },
                                    low:    { icon: '🔴', text: 'Pa burime direkte', cls: 'conf-low' },
                                };
                                const c = confMap[finalMeta.confidence] || confMap.low;
                                botElement.confPlaceholder.innerHTML = `<span class="confidence-badge ${c.cls}">${c.icon} ${c.text}</span>`;
                            }
                        } else if (data.type === 'widget') {
                            renderDynamicWidget(data.widget_type, data.data, botElement.contentDiv);
                        } else if (data.type === 'clear') {
                            fullResponse = "";
                            botElement.textSpan.innerHTML = "";
                        } else if (data.type === 'chunk') {
                            fullResponse += data.content;
                            botElement.textSpan.innerHTML = renderMarkdown(fullResponse);
                            chatBox.scrollTop = chatBox.scrollHeight;
                        } else if (data.type === 'done') {
                            if (data.latency_ms && finalMeta) finalMeta.latency_ms = data.latency_ms;
                        } else if (data.type === 'error') {
                            fullResponse += "\n\n**[GABIM]** " + data.content;
                            botElement.textSpan.innerHTML = renderMarkdown(fullResponse);
                        }
                    } catch(e) { console.error("Parse error", e); }
                }
            }
        }

        finalizeBotMessageActions(botElement.contentDiv, fullResponse, finalMeta, finalSources, message);
        saveToHistory(message, fullResponse);

        if (ttsEnabled) {
            try {
                const dummyForm = new FormData();
                dummyForm.append("text", fullResponse.substring(0, 500));
                const ttsRes = await fetch(`${API_BASE}/tts`, { method: "POST", body: dummyForm });
                if (ttsRes.ok) {
                    const audioBlob = await ttsRes.blob();
                    ttsAudio.src = URL.createObjectURL(audioBlob);
                    ttsAudio.play().catch(() => {});
                }
            } catch (ttsErr) {
                console.warn("TTS unavailable:", ttsErr);
            }
        }

    } catch (err) {
        removeThinking();
        hideProcessingStatus();
        console.error(err);
        appendMessage("GABIM: Lidhja me Qendrën e Inteligjencës dështoi. Kontrolloni lidhjen.", false);
        showToast("Lidhja me serverin dështoi", "error");
    } finally {
        isThinking = false;
        chatInput.disabled = false;
        sendBtn.disabled = false;
        chatInput.focus();
    }
}

// =====================================================================
//  EVENT LISTENERS
// =====================================================================
sendBtn?.addEventListener('click', () => sendMessage(chatInput.value.trim()));
chatInput?.addEventListener('keypress', (e) => {
    if (e.key === 'Enter') sendMessage(chatInput.value.trim());
});

// Keyboard shortcuts
document.addEventListener('keydown', (e) => {
    // F1 for help
    if (e.key === 'F1') {
        e.preventDefault();
        toggleShortcutsModal();
    }
    // Ctrl+/ to focus input
    if (e.ctrlKey && e.key === '/') {
        e.preventDefault();
        switchView('chat');
        setTimeout(() => chatInput?.focus(), 100);
    }
    // Ctrl+N for new session
    if (e.ctrlKey && e.key === 'n') {
        e.preventDefault();
        document.getElementById('new-session-btn')?.click();
    }
    // Ctrl+P for PDF export
    if (e.ctrlKey && e.key === 'p') {
        e.preventDefault();
        document.getElementById('export-pdf-btn')?.click();
    }
    // Escape to clear input
    if (e.key === 'Escape') {
        if (document.activeElement === chatInput) {
            chatInput.value = '';
            chatInput.blur();
        }
        // Close modals
        document.getElementById('shortcuts-modal').style.display = 'none';
    }
    // Number keys for navigation (when not in input)
    if (document.activeElement !== chatInput && !e.ctrlKey && !e.altKey) {
        const viewMap = { '1': 'dashboard', '2': 'chat', '3': 'map', '4': 'documents', '5': 'orgchart' };
        if (viewMap[e.key]) {
            switchView(viewMap[e.key]);
        }
    }
});

// Config toggles
document.getElementById('toggle-tts')?.addEventListener('change', (e) => {
    ttsEnabled = e.target.checked;
    showToast(ttsEnabled ? "Zëri automatik: AKTIV" : "Zëri automatik: JOAKTIV", "info", 2000);
});
document.getElementById('toggle-typewriter')?.addEventListener('change', (e) => {
    typewriterEnabled = e.target.checked;
});

// Help button
document.getElementById('help-btn')?.addEventListener('click', toggleShortcutsModal);
document.getElementById('close-shortcuts')?.addEventListener('click', () => {
    document.getElementById('shortcuts-modal').style.display = 'none';
});

function toggleShortcutsModal() {
    const modal = document.getElementById('shortcuts-modal');
    if (modal) modal.style.display = modal.style.display === 'none' ? 'flex' : 'none';
}

// =====================================================================
//  FILE UPLOAD / OCR
// =====================================================================
fileInput?.addEventListener('change', async (e) => {
    const file = e.target.files[0];
    if (!file) return;
    await processFile(file);
});

document.getElementById('doc-upload-input')?.addEventListener('change', async (e) => {
    const file = e.target.files[0];
    if (!file) return;
    await processFile(file);
});

async function processFile(file) {
    const formData = new FormData();
    formData.append("document", file);

    showToast(`📄 Duke skanuar "${file.name}"...`, "info", 3000);

    try {
        const res = await fetch(`${API_BASE}/ocr`, { method: "POST", body: formData });
        const data = await res.json();
        scannedTextCache = data.text;

        addDocumentToLibrary(file.name, data.text);
        showToast(`✅ Dokumenti "${file.name}" u skanua me sukses`, "success");

        if (currentView === 'chat') {
            appendMessage(`📄 Dokumenti "${file.name}" u skanua me sukses. (${data.text.length} karaktere)`, false);
            // Suggest questions about the document
            showDocumentSuggestions(file.name);
        } else {
            switchView('chat');
            setTimeout(() => {
                appendMessage(`📄 Dokumenti "${file.name}" u skanua me sukses. Mund të bëni pyetje mbi përmbajtjen.`, false);
                showDocumentSuggestions(file.name);
            }, 300);
        }
    } catch (err) {
        console.error("OCR Error:", err);
        appendMessage("❌ Gabim gjatë skanimit të dokumentit.", false);
        showToast("Skanimi i dokumentit dështoi", "error");
    }
}

function showDocumentSuggestions(filename) {
    const container = document.createElement('div');
    container.className = 'post-suggestions';
    container.innerHTML = '<span class="ps-label">Pyetni për dokumentin:</span>';

    const questions = [
        `Përmbledh dokumentin "${filename}"`,
        "Cilat janë pikat kryesore?",
        "Çfarë rekomandimesh jep ky dokument?",
    ];

    questions.forEach(q => {
        const chip = document.createElement('button');
        chip.className = 'post-suggestion-chip';
        chip.textContent = q;
        chip.addEventListener('click', () => {
            container.remove();
            sendMessage(q);
        });
        container.appendChild(chip);
    });

    chatBox.appendChild(container);
    chatBox.scrollTop = chatBox.scrollHeight;
}

// =====================================================================
//  VOICE RECORDING (STT)
// =====================================================================
let isRecording = false;
let mediaRecorder;
let audioChunks = [];

recordBtn?.addEventListener('click', async () => {
    if (!isRecording) {
        try {
            const stream = await navigator.mediaDevices.getUserMedia({ audio: true });
            mediaRecorder = new MediaRecorder(stream);
            mediaRecorder.start();
            isRecording = true;
            recordBtn.classList.add('recording');
            audioChunks = [];
            showToast("🎤 Regjistrimi filloi...", "info", 2000);

            mediaRecorder.addEventListener("dataavailable", event => {
                audioChunks.push(event.data);
            });

            mediaRecorder.addEventListener("stop", async () => {
                const audioBlob = new Blob(audioChunks, { type: 'audio/wav' });
                const formData = new FormData();
                formData.append("audio", audioBlob, "recording.wav");

                try {
                    const res = await fetch(`${API_BASE}/stt`, { method: "POST", body: formData });
                    const data = await res.json();
                    if (data.text) {
                        showToast("🎤 Zëri u njoh me sukses", "success", 2000);
                        sendMessage(data.text);
                    }
                } catch (e) {
                    console.error("STT Error", e);
                    showToast("Njohja e zërit dështoi", "error");
                }
            });
        } catch (e) {
            showToast("Ju lutem jepni leje për mikrofonin!", "warning");
        }
    } else {
        mediaRecorder.stop();
        mediaRecorder.stream.getTracks().forEach(t => t.stop());
        isRecording = false;
        recordBtn.classList.remove('recording');
    }
});

// =====================================================================
//  CONVERSATION HISTORY (localStorage)
// =====================================================================
function getConversations() {
    try {
        return JSON.parse(localStorage.getItem('shp_conversations') || '[]');
    } catch { return []; }
}

function saveToHistory(userMsg, botReply) {
    const conversations = getConversations();
    let session = conversations.find(c => c.id === sessionId);
    if (!session) {
        session = {
            id: sessionId,
            title: userMsg.substring(0, 40) + (userMsg.length > 40 ? '...' : ''),
            created: new Date().toISOString(),
            messages: []
        };
        conversations.unshift(session);
    }
    session.messages.push(
        { role: 'user', content: userMsg, time: new Date().toISOString() },
        { role: 'bot', content: botReply, time: new Date().toISOString() }
    );
    session.updated = new Date().toISOString();
    if (conversations.length > 20) conversations.length = 20;
    localStorage.setItem('shp_conversations', JSON.stringify(conversations));
    renderHistoryList();
}

function renderHistoryList() {
    const list = document.getElementById('history-list');
    if (!list) return;
    const conversations = getConversations();
    list.innerHTML = '';
    conversations.slice(0, 10).forEach(conv => {
        const item = document.createElement('div');
        item.className = `history-item ${conv.id === sessionId ? 'active' : ''}`;
        const time = new Date(conv.updated || conv.created);
        const timeStr = `${String(time.getHours()).padStart(2, '0')}:${String(time.getMinutes()).padStart(2, '0')} — ${time.toLocaleDateString('sq-AL')}`;
        item.innerHTML = `
            <div class="hi-title">${conv.title || 'Sesion i ri'}</div>
            <div class="hi-time">${timeStr}</div>
        `;
        item.addEventListener('click', () => loadConversation(conv));
        list.appendChild(item);
    });
}

function loadConversation(conv) {
    sessionId = conv.id;
    localStorage.setItem('shp_session_id', sessionId);
    chatBox.innerHTML = '';
    conv.messages.forEach(msg => {
        const div = document.createElement('div');
        div.className = `message ${msg.role === 'user' ? 'user' : 'bot'}`;
        const avatarSvg = msg.role === 'user'
            ? '<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M20 21v-2a4 4 0 00-4-4H8a4 4 0 00-4 4v2"/><circle cx="12" cy="7" r="4"/></svg>'
            : '<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><path d="M12 16v-4"/><path d="M12 8h.01"/></svg>';
        const t = new Date(msg.time);
        const ts = `${String(t.getHours()).padStart(2, '0')}:${String(t.getMinutes()).padStart(2, '0')}`;
        div.innerHTML = `
            <div class="msg-avatar">${avatarSvg}</div>
            <div class="msg-body">
                <div class="msg-meta">
                    <span class="msg-sender">${msg.role === 'user' ? 'OFICER' : 'KIA'}</span>
                    <span class="msg-time">${ts}</span>
                </div>
                <div class="msg-content"><span class="msg-text">${msg.role === 'user' ? escapeHtml(msg.content) : renderMarkdown(msg.content)}</span></div>
            </div>
        `;
        chatBox.appendChild(div);
    });
    chatBox.scrollTop = chatBox.scrollHeight;
    switchView('chat');
    renderHistoryList();
}

function escapeHtml(text) {
    const div = document.createElement('div');
    div.textContent = text;
    return div.innerHTML;
}

// New session
document.getElementById('new-session-btn')?.addEventListener('click', () => {
    sessionId = '';
    localStorage.removeItem('shp_session_id');

    const roleConfig = ROLE_CONFIG[currentRole] || ROLE_CONFIG.visitor;
    chatBox.innerHTML = `
        <div class="message bot">
            <div class="msg-avatar">
                <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><path d="M12 16v-4"/><path d="M12 8h.01"/></svg>
            </div>
            <div class="msg-body">
                <div class="msg-meta">
                    <span class="msg-sender">KIA</span>
                    <span class="msg-time">SYSTEM READY</span>
                    <span class="msg-classification class-${roleConfig.color}">${roleConfig.classification}</span>
                </div>
                <div class="msg-content"><span class="msg-text">Sesion i ri u krijua. Pres urdhrat tuaja, ${roleConfig.greeting}.</span></div>
            </div>
        </div>
    `;

    const suggestions = document.getElementById('suggestions');
    if (suggestions) suggestions.style.display = 'flex';

    loadSuggestions();
    switchView('chat');
    renderHistoryList();
    showToast("Sesion i ri u krijua", "info", 2000);
});

// =====================================================================
//  DOCUMENT LIBRARY
// =====================================================================
function getDocuments() {
    try {
        return JSON.parse(localStorage.getItem('shp_documents') || '[]');
    } catch { return []; }
}

function addDocumentToLibrary(filename, text) {
    const docs = getDocuments();
    const ext = filename.split('.').pop().toLowerCase();
    const iconMap = {
        'pdf': '📕', 'docx': '📘', 'xlsx': '📗',
        'png': '🖼️', 'jpg': '🖼️', 'jpeg': '🖼️'
    };
    docs.unshift({
        id: Date.now().toString(),
        name: filename,
        icon: iconMap[ext] || '📄',
        text: text,
        date: new Date().toISOString(),
        chars: text.length,
    });
    if (docs.length > 50) docs.length = 50;
    localStorage.setItem('shp_documents', JSON.stringify(docs));
    renderDocuments();
}

function renderDocuments() {
    const grid = document.getElementById('documents-grid');
    const empty = document.getElementById('docs-empty');
    if (!grid) return;
    const docs = getDocuments();
    grid.querySelectorAll('.doc-card').forEach(c => c.remove());
    if (docs.length === 0) {
        if (empty) empty.style.display = 'flex';
        return;
    }
    if (empty) empty.style.display = 'none';
    docs.forEach(doc => {
        const card = document.createElement('div');
        card.className = 'doc-card';
        const date = new Date(doc.date);
        const dateStr = date.toLocaleDateString('sq-AL') + ' ' +
            String(date.getHours()).padStart(2, '0') + ':' +
            String(date.getMinutes()).padStart(2, '0');
        card.innerHTML = `
            <div class="doc-icon">${doc.icon}</div>
            <div class="doc-name">${doc.name}</div>
            <div class="doc-meta">${dateStr} • ${doc.chars} karaktere</div>
            <div class="doc-preview">${doc.text.substring(0, 150)}...</div>
        `;
        card.addEventListener('click', () => {
            scannedTextCache = doc.text;
            switchView('chat');
            setTimeout(() => {
                appendMessage(`📄 Dokumenti "${doc.name}" u ngarkua nga arkiva. Mund të bëni pyetje mbi përmbajtjen.`, false);
            }, 200);
        });
        grid.insertBefore(card, empty);
    });
}

// =====================================================================
//  INTERACTIVE MAP (LEAFLET)
// =====================================================================
function initMap() {
    if (mapInstance || !document.getElementById('leaflet-map')) return;
    try {
        mapInstance = L.map('leaflet-map', {
            zoomControl: true,
            attributionControl: false,
        }).setView([41.3275, 19.8187], 7);

        L.tileLayer('https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}{r}.png', {
            maxZoom: 18,
        }).addTo(mapInstance);

        const createIcon = (color) => L.divIcon({
            html: `<div style="width:12px;height:12px;border-radius:50%;background:${color};border:2px solid rgba(255,255,255,0.4);box-shadow:0 0 8px ${color}"></div>`,
            className: '',
            iconSize: [12, 12],
            iconAnchor: [6, 6],
        });

        const hqIcon = createIcon('#d4a017');
        const baseIcon = createIcon('#3b82f6');
        const missionIcon = createIcon('#22c55e');
        const trainingIcon = createIcon('#a855f7');
        const industryIcon = createIcon('#f97316');

        // Layer Groups
        const hqLayer = L.layerGroup();
        const baseLayer = L.layerGroup();
        const missionLayer = L.layerGroup();
        const trainingLayer = L.layerGroup();
        const industryLayer = L.layerGroup();

        const locations = [
            // Headquarters
            { name: "Shtabi i Përgjithshëm", desc: "Qendra komanduese, Tiranë", lat: 41.3275, lng: 19.8187, icon: hqIcon, layer: hqLayer },
            { name: "Ministria e Mbrojtjes", desc: "Bulevardi Dëshmorët e Kombit, Tiranë", lat: 41.3246, lng: 19.8163, icon: hqIcon, layer: hqLayer },
            
            // Military Bases
            { name: "Baza Ajrore Kuçovë", desc: "Baza e NATO-s dhe Dronëve TB2", lat: 40.8014, lng: 19.9060, icon: baseIcon, layer: baseLayer },
            { name: "Baza Detare Vlorë", desc: "Baza e Forcës Detare Pashaliman", lat: 40.4607, lng: 19.4833, icon: baseIcon, layer: baseLayer },
            { name: "Porto Romano", desc: "Baza e re Detare (në ndërtim)", lat: 41.3653, lng: 19.4447, icon: baseIcon, layer: baseLayer },
            { name: "Garnizoni Shkodër", desc: "Garnizoni verior", lat: 42.0682, lng: 19.5126, icon: baseIcon, layer: baseLayer },
            { name: "Garnizoni Korçë", desc: "Garnizoni juglindor", lat: 40.6186, lng: 20.7808, icon: baseIcon, layer: baseLayer },
            
            // International Missions
            { name: "KFOR - Kosovë", desc: "KFOR Komanda e Batalionit Rezervë", lat: 42.6629, lng: 21.1655, icon: missionIcon, layer: missionLayer },
            { name: "EUFOR Althea", desc: "Trupat Paqeruajtëse", lat: 43.8563, lng: 18.4131, icon: missionIcon, layer: missionLayer },
            { name: "NATO eFP - Letoni", desc: "Grupi Luftarak Adazi", lat: 57.0768, lng: 24.3315, icon: missionIcon, layer: missionLayer },
            { name: "NATO eVP - Bullgari", desc: "Prezenca ushtarake Novo Selo", lat: 42.7483, lng: 26.3117, icon: missionIcon, layer: missionLayer },
            { name: "Misioni EUTM Mali", desc: "EU Training Mission", lat: 12.6392, lng: -8.0029, icon: missionIcon, layer: missionLayer },
            
            // Training & Education
            { name: "AFA", desc: "Akademia e Forcave të Armatosura", lat: 41.3375, lng: 19.7887, icon: trainingIcon, layer: trainingLayer },
            { name: "Qendra e Stërvitjes Bizë", desc: "Poligoni Ndërkombëtar NATO", lat: 41.3364, lng: 20.1506, icon: trainingIcon, layer: trainingLayer },
            { name: "Qendra Trajnimit Zall-Herr", desc: "Regjimenti i Operacioneve Speciale (ROS)", lat: 41.4119, lng: 19.8622, icon: trainingIcon, layer: trainingLayer },
            
            // Industrial Centers (KAYO)
            { name: "KAYO Rubik", desc: "Prodhim armësh të lehta", lat: 41.7686, lng: 19.7850, icon: industryIcon, layer: industryLayer },
            { name: "KAYO Poliçan", desc: "Prodhim municioni", lat: 40.6150, lng: 20.0981, icon: industryIcon, layer: industryLayer },
            { name: "KAYO Gramsh", desc: "Komponentë ushtarakë", lat: 40.8661, lng: 20.1833, icon: industryIcon, layer: industryLayer },
            { name: "KAYO Shkozet", desc: "Hub i ri industrial (Bashkëpunime)", lat: 41.3289, lng: 19.4883, icon: industryIcon, layer: industryLayer },
        ];

        locations.forEach(loc => {
            L.marker([loc.lat, loc.lng], { icon: loc.icon })
                .bindPopup(`<div class="map-popup-custom"><h4>${loc.name}</h4><p>${loc.desc}</p></div>`)
                .addTo(loc.layer);
        });

        // Seismic Threat Heatmap (Simulated fault lines & recent activity areas)
        const heatPoints = [
            [41.48, 19.47, 0.8], [41.32, 19.45, 0.9], [41.35, 19.55, 0.6], // Durres area
            [41.60, 19.65, 0.5], [41.52, 19.48, 0.7],
            [40.71, 19.98, 0.6], [40.65, 20.05, 0.4], [40.75, 20.10, 0.8]  // Berat-Gramsh area
        ];
        // Ensure L.heatLayer exists (from CDN) before adding
        let heatLayer;
        if (typeof L.heatLayer !== 'undefined') {
            heatLayer = L.heatLayer(heatPoints, {radius: 45, blur: 25, maxZoom: 10, gradient: {0.4: 'yellow', 0.65: 'orange', 1: 'red'}});
        } else {
            heatLayer = L.layerGroup();
        }

        // Add all groups to map by default
        hqLayer.addTo(mapInstance);
        baseLayer.addTo(mapInstance);
        missionLayer.addTo(mapInstance);
        trainingLayer.addTo(mapInstance);
        industryLayer.addTo(mapInstance);

        // Layer Control Configuration
        const overlays = {
            "Shtabet Komanduese": hqLayer,
            "Bazat Ushtarake": baseLayer,
            "Misionet NATO": missionLayer,
            "Qendrat Stërvitore": trainingLayer,
            "Zonat Industriale": industryLayer,
            "🗺️ Hartëzim i Kërcënimeve (Sizmik)": heatLayer
        };

        L.control.layers(null, overlays, {collapsed: true, position: 'topright'}).addTo(mapInstance);

        setTimeout(() => mapInstance.invalidateSize(), 200);
    } catch (e) {
        console.error("Map init error:", e);
    }
}

// =====================================================================
//  ORG CHART INTERACTIVITY
// =====================================================================
document.querySelectorAll('.org-node[data-query]').forEach(node => {
    node.addEventListener('click', () => {
        const query = node.dataset.query;
        switchView('chat');
        setTimeout(() => sendMessage(query), 200);
    });
});

// =====================================================================
//  PDF EXPORT
// =====================================================================
document.getElementById('export-pdf-btn')?.addEventListener('click', () => {
    const messages = chatBox.querySelectorAll('.message');
    if (messages.length <= 1) {
        showToast('Nuk ka bisedë për eksportim', 'warning');
        return;
    }

    const reportTime = getTimeStr();
    const logoUrl = `${window.location.origin}/afa_logo.png`;
    const roleConfig = ROLE_CONFIG[currentRole] || ROLE_CONFIG.visitor;

    let reportHtml = `
        <!DOCTYPE html>
        <html>
        <head>
            <meta charset="utf-8">
            <title>KIA — Raport i Inteligjencës</title>
            <style>
                @page { margin: 20mm; size: A4; }
                body { 
                    font-family: 'Times New Roman', Times, serif; 
                    margin: 0; padding: 0; color: #111; line-height: 1.6; 
                    background: #fff;
                }
                .classification { 
                    text-align: center; font-family: 'Arial', sans-serif; 
                    font-size: 1rem; font-weight: 900; color: #d32f2f; 
                    letter-spacing: 6px; text-transform: uppercase;
                    border-top: 3px solid #d32f2f; border-bottom: 3px solid #d32f2f; 
                    padding: 8px; margin-bottom: 35px;
                }
                .header-wrapper { 
                    display: flex; align-items: center; justify-content: center; 
                    border-bottom: 4px double #000; padding-bottom: 25px; margin-bottom: 25px; 
                }
                .logo { width: 100px; margin-right: 25px; filter: grayscale(100%); }
                .header-text { text-align: center; }
                .header-text h1 { 
                    font-size: 1.8rem; color: #000; margin: 5px 0; 
                    text-transform: uppercase; letter-spacing: 1.5px; 
                }
                .header-text .subtitle { font-size: 1rem; color: #333; font-weight: bold; }
                .doc-info { 
                    display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
                    border: 2px solid #000; padding: 15px; margin-bottom: 40px; 
                    font-family: 'Arial', sans-serif; font-size: 0.85rem; background: #fdfdfd; 
                }
                .doc-info-item strong { display: inline-block; width: 120px; color: #444; }
                
                .report-body { font-size: 1.05rem; }
                .exchange { margin: 25px 0; padding: 15px 20px; border-left: 4px solid #ccc; page-break-inside: auto; }
                .exchange.bot { border-left-color: #0f172a; background-color: #f8fafc; border-right: 1px solid #e2e8f0; border-top: 1px solid #e2e8f0; border-bottom: 1px solid #e2e8f0; }
                .exchange.user { background: #fff; border-left-color: #64748b; }
                
                .exchange .sender { 
                    font-family: 'Arial', sans-serif; font-weight: 800; font-size: 0.85rem; 
                    color: #0f172a; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 1.5px; 
                    display: flex; justify-content: space-between; border-bottom: 1px solid #e2e8f0; padding-bottom: 5px;
                }
                .exchange.user .sender { color: #475569; }
                .exchange .time { font-weight: normal; font-size: 0.75rem; color: #64748b; }
                
                /* Markdown Elements Styling */
                .exchange .content h1, .exchange .content h2, .exchange .content h3 { font-family: 'Arial', sans-serif; margin-top: 20px; text-transform: uppercase; font-size: 1.1rem; }
                .exchange .content p { margin: 10px 0; text-align: justify; }
                .exchange .content ul { margin: 10px 0; padding-left: 25px; }
                .exchange .content li { margin-bottom: 5px; }
                .exchange .content blockquote { border-left: 3px solid #d32f2f; margin: 10px 0; padding-left: 15px; font-style: italic; color: #444; }
                
                .footer { 
                    margin-top: 60px; padding-top: 20px; border-top: 2px solid #000; 
                    font-size: 0.8rem; font-family: 'Arial', sans-serif; color: #333; 
                    text-align: center; page-break-inside: avoid; 
                }
                .footer .warning { font-weight: bold; color: #d32f2f; margin-bottom: 5px; text-transform: uppercase; }
                
                @media print { 
                    .classification { color: #000; border-color: #000; } 
                    .footer .warning { color: #000; }
                    .exchange.bot { background-color: #f1f1f1 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
                }
            </style>
        </head>
        <body>
            <div class="classification">${roleConfig.classification}</div>
            <div class="header-wrapper">
                <img src="${logoUrl}" class="logo" alt="Stema" />
                <div class="header-text">
                    <div class="subtitle">REPUBLIKA E SHQIPËRISË</div>
                    <div class="subtitle">MINISTRIA E MBROJTJES • SHTABI I PËRGJITHSHËM</div>
                    <h1 style="margin-top: 15px;">RAPORT I INTELIGJENCËS (KIA)</h1>
                    <div class="subtitle" style="font-weight: normal; font-size: 0.85rem; margin-top: 5px;">SISTEMI C4ISR • KOMANDA E INTELIGJENCËS ARTIFICIALE</div>
                </div>
            </div>
            
            <div class="doc-info">
                <div class="doc-info-item"><strong>DATA:</strong> ${new Date().toLocaleDateString('sq-AL')}</div>
                <div class="doc-info-item"><strong>REFERENCA:</strong> KIA-REF-${Math.floor(Math.random() * 90000) + 10000}</div>
                <div class="doc-info-item"><strong>ORA:</strong> ${reportTime}</div>
                <div class="doc-info-item"><strong>NIVELI:</strong> ${roleConfig.classification}</div>
                <div class="doc-info-item"><strong>SESIONI:</strong> ${sessionId ? sessionId.substring(0, 12).toUpperCase() : 'N/A'}</div>
                <div class="doc-info-item"><strong>GJENERUAR NGA:</strong> ${currentRole.toUpperCase() || 'OFICER'}</div>
            </div>
            <div class="report-body">
    `;

    messages.forEach(msg => {
        const isUser = msg.classList.contains('user');
        const sender = isUser ? 'OFICER' : 'KIA';
        const time = msg.querySelector('.msg-time')?.textContent || '';
        const content = msg.querySelector('.msg-text')?.innerHTML || msg.querySelector('.msg-content')?.innerHTML || '';

        reportHtml += `
            <div class="exchange ${isUser ? 'user' : 'bot'}">
                <div class="sender">${sender} <span class="time">${time}</span></div>
                <div class="content">${content}</div>
            </div>
        `;
    });

    reportHtml += `
            </div> <!-- End report-body -->
            <div class="footer">
                <div class="warning">KUJDES — DOKUMENT I KLASIFIKUAR</div>
                <p>Riprodhimi, shpërndarja ose mbajtja e paautorizuar e këtij dokumenti përbën vepër penale sipas Kodit Ushtarak të RSH.<br>
                Gjeneruar automatikisht nga KIA Command Center • ${new Date().toISOString()}</p>
                <strong>${roleConfig.classification}</strong>
            </div>
            <script>window.onload = () => { setTimeout(() => window.print(), 500); }<\/script>
        </body>
        </html>
    `;

    const blob = new Blob([reportHtml], { type: 'text/html' });
    const url = URL.createObjectURL(blob);
    const printWindow = window.open(url, '_blank');
    if (printWindow) {
        printWindow.onbeforeunload = () => URL.revokeObjectURL(url);
    }
    showToast("📄 Raporti u gjenerua", "success", 2000);
});

// =====================================================================
//  DASHBOARD ANIMATIONS & SPARKLINES
// =====================================================================
function animateValue(el, end, duration = 1200) {
    if (!el) return;
    const start = 0;
    let startTime = null;
    const step = (timestamp) => {
        if (!startTime) startTime = timestamp;
        const progress = Math.min((timestamp - startTime) / duration, 1);
        const eased = 1 - Math.pow(1 - progress, 3); // ease-out cubic
        el.textContent = Math.floor(eased * (end - start) + start);
        if (progress < 1) requestAnimationFrame(step);
    };
    requestAnimationFrame(step);
}

function drawSparkline(canvasId, data, color = '#3b82f6') {
    const canvas = document.getElementById(canvasId);
    if (!canvas) return;
    const ctx = canvas.getContext('2d');
    const w = canvas.width;
    const h = canvas.height;
    ctx.clearRect(0, 0, w, h);

    if (data.length < 2) return;

    const max = Math.max(...data);
    const min = Math.min(...data);
    const range = max - min || 1;

    ctx.beginPath();
    ctx.strokeStyle = color;
    ctx.lineWidth = 1.5;
    ctx.lineJoin = 'round';

    data.forEach((val, i) => {
        const x = (i / (data.length - 1)) * w;
        const y = h - ((val - min) / range) * (h - 4) - 2;
        if (i === 0) ctx.moveTo(x, y);
        else ctx.lineTo(x, y);
    });
    ctx.stroke();

    // Fill area under
    ctx.lineTo(w, h);
    ctx.lineTo(0, h);
    ctx.closePath();
    ctx.fillStyle = color.replace(')', ', 0.1)').replace('rgb', 'rgba');
    ctx.fill();
}

function updateDashboardData(data) {
    const uptimeEl = document.getElementById('dash-uptime');
    if (uptimeEl) uptimeEl.textContent = data.uptime_human || '--';

    // Tool status
    const toolsEl = document.getElementById('dash-tools');
    if (toolsEl && data.tools) {
        toolsEl.textContent = `${data.tools.real_api_tools} / ${data.tools.total_tools}`;
    }

    // Intel panel
    const intelRag = document.getElementById('intel-rag');
    const intelVector = document.getElementById('intel-vector');
    const intelUptime = document.getElementById('intel-uptime');
    if (intelRag) intelRag.textContent = `${data.rag?.total_items || '?'} dokumente`;
    if (intelVector) intelVector.textContent = data.rag?.vector_search ? 'AKTIV' : 'JO';
    if (intelUptime) intelUptime.textContent = data.uptime_human || '--';

    // Capability indicators
    const caps = {
        'cap-rag': true,
        'cap-stt': data.modules?.stt,
        'cap-tts': data.modules?.tts,
        'cap-ocr': data.modules?.ocr,
        'cap-vec': data.rag?.vector_search,
        'cap-multi': true,
    };
    Object.entries(caps).forEach(([id, active]) => {
        const el = document.getElementById(id);
        if (el) el.classList.toggle('active', !!active);
    });
}

// Live Widget Updates
async function updateLiveWidgets() {
    // Exchange Rate
    try {
        const res = await fetch(`${API_BASE}/exchange`);
        const data = await res.json();
        const excStr = data.data;
        const match = excStr.match(/1 EUR = ([\d.]+) LEK/);
        const excEl = document.getElementById('dash-exchange');
        if (match && excEl) {
            excEl.textContent = `${match[1]} LEK`;
            excEl.style.color = '#eab308'; // Gold
        }
    } catch(e) {}

    // Weather
    try {
        const res = await fetch(`${API_BASE}/weather?location=kuçovë`);
        const data = await res.json();
        const wStr = data.data;
        
        const tempMatch = wStr.match(/Temperatura: ([\d.-]+)/);
        const statMatch = wStr.match(/Statusi Ajror:.*?([A-ZÇË\s]+)(?=—|-)/);
        
        const wEl = document.getElementById('dash-weather');
        const stEl = document.getElementById('dash-weather-status');
        
        if (tempMatch && wEl) {
            wEl.textContent = `${tempMatch[1]} °C`;
            wEl.style.color = '#38bdf8'; // Sky blue
        }
        if (statMatch && stEl) {
            stEl.textContent = statMatch[1].trim();
            // Status colors
            if (wStr.includes('KUQE')) stEl.style.color = '#ef4444';
            else if (wStr.includes('VERDHË')) stEl.style.color = '#f59e0b';
            else stEl.style.color = '#22c55e';
        }
    } catch(e) {}
}

function renderDynamicWidget(type, data, container) {
    if (!data) return;
    const widgetBox = document.createElement('div');
    widgetBox.className = 'agentic-widget';
    
    if (type === 'weather') {
        const flightStatClass = data.status.includes('GJELBËR') ? 'green' : (data.status.includes('KUQE') ? 'red' : 'yellow');
        widgetBox.innerHTML = `
            <div class="widget-header">
                <span class="widget-icon">☁️</span>
                <span class="widget-title">Meteorologjia Taktike — ${data.location}</span>
            </div>
            <div class="widget-body grid-2">
                <div class="w-metric"><span class="w-label">Temp</span><span class="w-val">${data.temp}°C</span></div>
                <div class="w-metric"><span class="w-label">Era</span><span class="w-val">${data.wind} km/h ${data.wind_dir}</span></div>
                <div class="w-metric"><span class="w-label">Lagështia</span><span class="w-val">${data.humidity}%</span></div>
                <div class="w-metric"><span class="w-label">Reshje</span><span class="w-val">${data.precip} mm</span></div>
            </div>
            ${data.hourly_temps ? `<div style="margin-top: 10px;"><canvas id="chart-${data.location.replace(/\s+/g, '')}" height="60"></canvas></div>` : ''}
            <div class="widget-footer status-${flightStatClass}">
                Akses Ajror: ${data.status}
            </div>
        `;
        
        container.appendChild(widgetBox);

        // Render Chart.js if data exists
        if (data.hourly_temps && typeof Chart !== 'undefined') {
            const ctx = document.getElementById(`chart-${data.location.replace(/\s+/g, '')}`).getContext('2d');
            new Chart(ctx, {
                type: 'line',
                data: {
                    labels: Array.from({length: data.hourly_temps.length}, (_, i) => `${i}h`),
                    datasets: [{
                        label: 'Temperatura °C',
                        data: data.hourly_temps,
                        borderColor: '#3b82f6',
                        backgroundColor: 'rgba(59, 130, 246, 0.1)',
                        borderWidth: 2,
                        fill: true,
                        pointRadius: 0,
                        tension: 0.4
                    }]
                },
                options: {
                    responsive: true,
                    maintainAspectRatio: false,
                    plugins: { legend: { display: false } },
                    scales: {
                        x: { display: false },
                        y: { display: false, min: Math.min(...data.hourly_temps) - 2 }
                    }
                }
            });
        }
        return; // Early return to bypass default append under `type === weather`
    } else if (type === 'exchange') {
        widgetBox.innerHTML = `
            <div class="widget-header">
                <span class="widget-icon">💹</span>
                <span class="widget-title">Tregjet Financiare (LEK)</span>
            </div>
            <div class="widget-body grid-4">
                <div class="w-metric"><span class="w-label">EUR</span><span class="w-val">${data.eur}</span></div>
                <div class="w-metric"><span class="w-label">USD</span><span class="w-val">${data.usd}</span></div>
                <div class="w-metric"><span class="w-label">GBP</span><span class="w-val">${data.gbp}</span></div>
                <div class="w-metric"><span class="w-label">TRY</span><span class="w-val">${data.try}</span></div>
            </div>
        `;
    }
    
    container.appendChild(widgetBox);
}

// =====================================================================
//  HEALTH / DASHBOARD STATUS
// =====================================================================
function setLoadingState(el, isLoading) {
    if (!el) return;
    if (isLoading) el.classList.add('loading');
    else el.classList.remove('loading');
}

async function checkHealth() {
    const banner = document.getElementById('system-banner');

    setLoadingState(document.getElementById('dash-uptime'), true);
    setLoadingState(document.getElementById('dash-docs'), true);
    setLoadingState(document.getElementById('dash-model'), true);
    setLoadingState(document.getElementById('dash-sessions'), true);

    try {
        const res = await fetch(`${API_BASE}/health`);
        const data = await res.json();

        if (banner) banner.style.display = 'none';
        updateDashboardData(data);

    } catch (e) {
        if (banner) {
            banner.style.display = 'block';
            banner.querySelector('span').textContent = "Lidhja me Qendrën e Inteligjencës dështoi. Po riprovojmë...";
        }
    } finally {
        setLoadingState(document.getElementById('dash-uptime'), false);
    }
}

// =====================================================================
//  SITREP GENERATOR (Full Intelligence Briefing)
// =====================================================================
async function generateSitrep() {
    switchView('chat');
    
    appendMessage('/sitrep — Gjenerimi i Raportit Ditor', true);
    showThinking();
    showProcessingStatus();

    try {
        const shpToken = localStorage.getItem('shp_token') || '';
        const res = await fetch(`${API_BASE}/sitrep`, {
            headers: { 'Authorization': `Bearer ${shpToken}` }
        });

        if (!res.ok) throw new Error(`HTTP ${res.status}`);
        
        removeThinking();
        hideProcessingStatus();

        const sitrep = await res.json();

        // Build formatted SITREP message
        let sitrepText = `**📋 RAPORTI DITOR I INTELIGJENCËS (SITREP)**\n`;
        sitrepText += `**Klasifikimi:** ${sitrep.classification}\n`;
        sitrepText += `**Gjeneruar:** ${new Date(sitrep.generated_at).toLocaleString('sq-AL')}\n\n`;
        sitrepText += `━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n\n`;

        for (const [key, section] of Object.entries(sitrep.sections)) {
            sitrepText += `**[${section.title}]**\n`;
            if (typeof section.data === 'object' && !Array.isArray(section.data)) {
                for (const [loc, report] of Object.entries(section.data)) {
                    if (report) {
                        sitrepText += `\n• **${loc}:**\n`;
                        // Extract key lines from the report
                        const lines = report.split('\n').filter(l => l.trim() && !l.includes('━'));
                        lines.slice(0, 6).forEach(line => {
                            sitrepText += `  ${line.trim()}\n`;
                        });
                    }
                }
            } else if (section.data) {
                const lines = section.data.split('\n').filter(l => l.trim() && !l.includes('━'));
                lines.slice(0, 8).forEach(line => {
                    sitrepText += `${line.trim()}\n`;
                });
            }
            sitrepText += '\n';
        }

        sitrepText += `━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n`;
        sitrepText += `_Ky raport u gjenerua automatikisht nga KIA Command Center._`;
        
        appendMessage(sitrepText, false);
        showToast('📋 SITREP u gjenerua me sukses', 'success');

    } catch (err) {
        removeThinking();
        hideProcessingStatus();
        console.error('SITREP error:', err);
        appendMessage('❌ Gjenerimi i SITREP dështoi. Provoni përsëri.', false);
        showToast('SITREP gjenerimi dështoi', 'error');
    }
}

// =====================================================================
//  CHAT SEARCH (Search through conversation history)
// =====================================================================
function initChatSearch() {
    const historySection = document.getElementById('history-section');
    if (!historySection) return;

    // Create search box
    const searchBox = document.createElement('div');
    searchBox.className = 'history-search';
    searchBox.innerHTML = `
        <input type="text" id="history-search-input" placeholder="🔍 Kërko në biseda..." autocomplete="off" />
    `;
    
    const headerEl = historySection.querySelector('.history-header');
    if (headerEl) {
        headerEl.after(searchBox);
    }

    const searchInput = document.getElementById('history-search-input');
    searchInput?.addEventListener('input', (e) => {
        const query = e.target.value.toLowerCase().trim();
        filterHistoryList(query);
    });
}

function filterHistoryList(query) {
    const list = document.getElementById('history-list');
    if (!list) return;

    if (!query) {
        renderHistoryList();
        return;
    }

    const conversations = getConversations();
    list.innerHTML = '';

    const filtered = conversations.filter(conv => {
        if (conv.title?.toLowerCase().includes(query)) return true;
        return conv.messages?.some(msg =>
            msg.content?.toLowerCase().includes(query)
        );
    });

    if (filtered.length === 0) {
        list.innerHTML = `<div class="history-empty">Asnjë rezultat për "${query}"</div>`;
        return;
    }

    filtered.forEach(conv => {
        const item = document.createElement('div');
        item.className = `history-item ${conv.id === sessionId ? 'active' : ''}`;
        const time = new Date(conv.updated || conv.created);
        const timeStr = `${String(time.getHours()).padStart(2, '0')}:${String(time.getMinutes()).padStart(2, '0')}`;

        // Find matching message snippet
        let snippet = '';
        if (query) {
            const matchMsg = conv.messages?.find(m => m.content?.toLowerCase().includes(query));
            if (matchMsg) {
                const idx = matchMsg.content.toLowerCase().indexOf(query);
                const start = Math.max(0, idx - 20);
                snippet = '...' + matchMsg.content.substring(start, start + 60) + '...';
            }
        }

        item.innerHTML = `
            <div class="hi-title">${conv.title || 'Sesion i ri'}</div>
            ${snippet ? `<div class="hi-snippet">${snippet}</div>` : ''}
            <div class="hi-time">${timeStr}</div>
        `;
        item.addEventListener('click', () => loadConversation(conv));
        list.appendChild(item);
    });
}

// =====================================================================
//  ANALYTICS DISPLAY (Dashboard metrics)
// =====================================================================
async function loadAnalytics() {
    try {
        const shpToken = localStorage.getItem('shp_token') || '';
        const res = await fetch(`${API_BASE}/analytics`, {
            headers: { 'Authorization': `Bearer ${shpToken}` }
        });
        if (!res.ok) return;

        const data = await res.json();

        // Update dashboard metrics
        const queriesEl = document.getElementById('dash-queries');
        if (queriesEl) queriesEl.textContent = data.total_queries || 0;

        const queries24El = document.getElementById('dash-queries-24h');
        if (queries24El) queries24El.textContent = data.queries_24h || 0;

        const latencyEl = document.getElementById('dash-avg-latency');
        if (latencyEl) latencyEl.textContent = `${data.avg_latency_ms || 0}ms`;

        // Feedback stats
        const fbRes = await fetch(`${API_BASE}/feedback/stats`, {
            headers: { 'Authorization': `Bearer ${shpToken}` }
        });
        if (fbRes.ok) {
            const fb = await fbRes.json();
            const satEl = document.getElementById('dash-satisfaction');
            if (satEl) satEl.textContent = `${fb.satisfaction_rate}%`;
        }
    } catch (e) {
        // Silent fail — analytics are non-critical
    }
}

// =====================================================================
//  INITIALIZATION
// =====================================================================
// Start with role selection
initRoleScreen();

// Load persistent data
loadSuggestions();
renderHistoryList();
renderDocuments();
initChatSearch();

// Periodic checks
setInterval(checkHealth, 60000);
setInterval(updateLiveWidgets, 300000);
setTimeout(updateLiveWidgets, 1500);
setTimeout(loadAnalytics, 3000);

// Default routing
if (!currentRole) {
} else if (sessionId) {
    switchView('chat');
} else {
    switchView('dashboard');
}

// =====================================================================
//  THEME TOGGLE
// =====================================================================
if (themeBtn) {
    // Load preference
    if (localStorage.getItem('shp_theme') === 'light') {
        document.body.classList.add('light-theme');
    }
    
    themeBtn.addEventListener('click', () => {
        document.body.classList.toggle('light-theme');
        if (document.body.classList.contains('light-theme')) {
            localStorage.setItem('shp_theme', 'light');
            showToast("Modaliteti i Dritës aktivizua", "info", 2000);
        } else {
            localStorage.setItem('shp_theme', 'dark');
            showToast("Modaliteti i Errësirës aktivizua", "info", 2000);
        }
    });
}

// =====================================================================
//  DOCX EXPORT
// =====================================================================
document.getElementById('export-docx-btn')?.addEventListener('click', async () => {
    const messages = chatBox.querySelectorAll('.message');
    if (messages.length <= 1) {
        showToast('Nuk ka bisedë për eksportim', 'warning');
        return;
    }

    let chatText = "";
    messages.forEach(msg => {
        const isUser = msg.classList.contains('user');
        const sender = isUser ? 'OFICER' : 'KIA';
        let content = msg.querySelector('.msg-text')?.innerText || msg.querySelector('.msg-content')?.innerText || '';
        chatText += `${sender}: ${content}\n\n`;
    });

    try {
        showToast("⏳ Duke gjeneruar dokumentin DOCX...", "info");
        const shpToken = localStorage.getItem('shp_token') || '';
        const roleConfig = ROLE_CONFIG[currentRole] || ROLE_CONFIG.visitor;
        
        const res = await fetch(`${API_BASE}/export/docx`, {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
                'Authorization': `Bearer ${shpToken}`
            },
            body: JSON.stringify({
                title: "RAPORT I INTELIGJENCËS",
                content: chatText.trim(),
                classification: roleConfig.classification
            })
        });

        if (!res.ok) throw new Error("Export failed");
        
        const blob = await res.blob();
        const url = URL.createObjectURL(blob);
        const a = document.createElement('a');
        a.href = url;
        a.download = `KIA_Raport_${new Date().getTime()}.docx`;
        document.body.appendChild(a);
        a.click();
        document.body.removeChild(a);
        URL.revokeObjectURL(url);
        showToast("✅ Dokumenti u eksportua me sukses", "success");
    } catch(err) {
        console.error("DOCX Export error:", err);
        showToast("Gabim gjatë eksportimit të dokumentit", "error");
    }
});