// static/dispatcher/script.js - TO'LIQ TAYYOR VERSIYA
// Brigade Tracking + Statistics + Clinic Map

// ==================== GLOBAL STATE ====================

let ws = null;
let reconnectInterval = null;
let currentFilter = null;
let clinicMap = null;
let clinicMarkers = [];
let markerClusterGroup = null;
let currentMapLayer = 'all';
let brigadeMarkers = {};
let brigadeUpdateInterval = null;
let casesHourlyChart = null;
let riskDistributionChart = null;

// ==================== INITIALIZATION ====================

document.addEventListener('DOMContentLoaded', function () {
    console.log('🚀 Dispatcher panel ishga tushdi');

    loadCases();
    loadStatistics();
    connectWebSocket();
    initializeMap();
    startBrigadeTracking();
    initializeCharts();

    setInterval(() => {
        loadCases();
        loadStatistics();
        updateStatisticsCharts();
        updateBrigadeStatistics();
    }, 30000);
});

// ==================== WEBSOCKET ====================

function connectWebSocket() {
    const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
    const wsUrl = `${protocol}//${window.location.host}/api/ws/dispatcher`;

    console.log('🔌 WebSocket ulanish...', wsUrl);

    ws = new WebSocket(wsUrl);

    ws.onopen = function () {
        console.log('✅ WebSocket ulandi');
        if (reconnectInterval) {
            clearInterval(reconnectInterval);
            reconnectInterval = null;
        }
    };

    ws.onmessage = function (event) {
        try {
            const data = JSON.parse(event.data);
            console.log('📨 WebSocket xabar:', data);
            handleWebSocketMessage(data);
        } catch (e) {
            console.error('❌ WebSocket xabar parse qilishda xatolik:', e);
        }
    };

    ws.onerror = function (error) {
        console.error('❌ WebSocket xatolik:', error);
    };

    ws.onclose = function () {
        console.log('🔌 WebSocket uzildi, qayta ulanish...');
        if (!reconnectInterval) {
            reconnectInterval = setInterval(() => {
                connectWebSocket();
            }, 5000);
        }
    };
}

function handleWebSocketMessage(data) {
    const type = data.type;

    switch (type) {
        case 'new_case':
            console.log('🆕 Yangi case:', data.case);
            showNotification('Yangi murojat keldi!', 'bg-danger');
            loadCases();
            loadStatistics();
            break;
        case 'brigade_assigned':
            console.log('🚑 Brigada tayinlandi:', data.case);
            showNotification('Brigada tayinlandi', 'bg-success');
            loadCases();
            break;
        case 'name_received':
            console.log('👤 Ism qabul qilindi:', data.case);
            loadCases();
            break;
        case 'operator_needed':
            console.log('🎧 Operator kerak:', data.case);
            showNotification('Operator kerak!', 'bg-warning');
            loadCases();
            break;
        case 'clinic_recommended':
            console.log('🏥 Klinika tavsiya qilindi:', data.case);
            showNotification('Klinikaga yo\'naltirildi', 'bg-info');
            loadCases();
            break;
        default:
            console.log('ℹ️ Noma\'lum xabar turi:', type);
    }
}

// ==================== CASES MANAGEMENT ====================

async function loadCases() {
    try {
        const url = currentFilter ? `/api/cases?status=${currentFilter}` : '/api/cases';
        const response = await fetch(url);

        if (!response.ok) {
            throw new Error('Cases yuklanmadi');
        }

        const cases = await response.json();
        console.log(`📋 ${cases.length} ta case yuklandi`);

        renderCases(cases);
    } catch (error) {
        console.error('❌ Cases yuklashda xatolik:', error);
        document.getElementById('cases-container').innerHTML = `
            <div class="alert alert-danger m-3">
                <i class="bi bi-exclamation-triangle-fill"></i>
                Xatolik yuz berdi. Iltimos, sahifani yangilang.
            </div>
        `;
    }
}

function renderCases(cases) {
    const container = document.getElementById('cases-container');

    if (cases.length === 0) {
        container.innerHTML = `
            <div class="text-center py-5">
                <i class="bi bi-inbox" style="font-size: 4rem; color: #cbd5e0;"></i>
                <p class="mt-3 text-muted">Hozircha murojatlar yo'q</p>
            </div>
        `;
        return;
    }

    container.innerHTML = cases.map(c => renderCase(c)).join('');
}

function renderCase(c) {
    const riskBadge = getRiskBadge(c.risk_level);
    const typeBadge = getTypeBadge(c.type);
    const statusBadge = getStatusBadge(c.status);
    const timeAgo = getTimeAgo(c.created_at);

    return `
        <div class="case-card" onclick="viewCaseDetails('${c.id}')">
            <div class="d-flex justify-content-between align-items-start mb-2">
                <div class="flex-grow-1">
                    <h6 class="mb-1">
                        <i class="bi bi-person-circle me-1 text-primary"></i>
                        ${c.patient_full_name || 'Bemor #' + c.id}
                    </h6>
                    <small class="text-muted">
                        <i class="bi bi-clock me-1"></i>${timeAgo}
                    </small>
                </div>
                <div class="text-end">
                    ${riskBadge}
                </div>
            </div>

            ${c.symptoms_text ? `
                <p class="mb-2 small text-muted">
                    <i class="bi bi-file-medical me-1"></i> 
                    ${c.symptoms_text.substring(0, 80)}${c.symptoms_text.length > 80 ? '...' : ''}
                </p>
            ` : ''}

            <div class="d-flex justify-content-between align-items-center flex-wrap gap-2">
                <div class="d-flex gap-1 flex-wrap">
                    ${typeBadge}
                    ${statusBadge}
                    ${c.district ? `
                        <span class="badge bg-secondary">
                            <i class="bi bi-geo-alt-fill"></i> ${c.district}
                        </span>
                    ` : ''}
                </div>
                <div class="d-flex gap-1 flex-wrap">
                    ${c.assigned_brigade_name ? `
                        <span class="badge bg-primary">
                            <i class="bi bi-ambulance"></i> ${c.assigned_brigade_name}
                        </span>
                    ` : ''}
                    ${c.recommended_clinic_name ? `
                        <span class="badge bg-success">
                            <i class="bi bi-hospital"></i> ${c.recommended_clinic_name}
                        </span>
                    ` : ''}
                </div>
            </div>
        </div>
    `;
}

function getRiskBadge(risk) {
    if (risk === 'qizil') {
        return '<span class="badge bg-danger badge-risk-qizil">🔴 QIZIL</span>';
    } else if (risk === 'sariq') {
        return '<span class="badge bg-warning text-dark badge-risk-sariq">🟡 SARIQ</span>';
    } else if (risk === 'yashil') {
        return '<span class="badge bg-success badge-risk-yashil">🟢 YASHIL</span>';
    } else {
        return '<span class="badge bg-secondary">⚪ Noma\'lum</span>';
    }
}

function getTypeBadge(type) {
    if (type === 'emergency') {
        return '<span class="badge bg-danger">🚑 Tez yordam</span>';
    } else if (type === 'public_clinic') {
        return '<span class="badge bg-info">🏥 Davlat</span>';
    } else if (type === 'private_clinic') {
        return '<span class="badge bg-success">🏥 Xususiy</span>';
    } else if (type === 'uncertain') {
        return '<span class="badge bg-warning text-dark">❓ Noaniq</span>';
    } else {
        return '';
    }
}

function getStatusBadge(status) {
    const statusMap = {
        'yangi': '<span class="badge bg-primary">Yangi</span>',
        'qabul_qilindi': '<span class="badge bg-info">Qabul qilindi</span>',
        'brigada_junatildi': '<span class="badge bg-warning text-dark">Brigada junatildi</span>',
        'klinika_tavsiya_qilindi': '<span class="badge bg-success">Klinika tavsiya</span>',
        'operator_kutilmoqda': '<span class="badge bg-danger">Operator kerak</span>',
        'yopildi': '<span class="badge bg-secondary">Yopildi</span>'
    };
    return statusMap[status] || '<span class="badge bg-secondary">Noma\'lum</span>';
}

function getTimeAgo(timestamp) {
    const now = new Date();
    const created = new Date(timestamp);
    const diffMs = now - created;
    const diffMins = Math.floor(diffMs / 60000);

    if (diffMins < 1) return 'Hozir';
    if (diffMins < 60) return `${diffMins} daqiqa oldin`;

    const diffHours = Math.floor(diffMins / 60);
    if (diffHours < 24) return `${diffHours} soat oldin`;

    const diffDays = Math.floor(diffHours / 24);
    return `${diffDays} kun oldin`;
}

function filterCases(risk) {
    currentFilter = risk;
    document.querySelectorAll('.btn-group button').forEach(btn => {
        btn.classList.remove('active');
    });
    event.target.classList.add('active');
    loadCases();
}

function viewCaseDetails(caseId) {
    console.log('View case details:', caseId);
    alert(`Case details: ${caseId}\n(Bu funksiya keyinroq qo'shiladi)`);
}

// ==================== STATISTICS ====================

async function loadStatistics() {
    try {
        const response = await fetch('/api/cases');
        if (!response.ok) {
            throw new Error('Statistics yuklanmadi');
        }

        const cases = await response.json();

        const emergency = cases.filter(c => c.type === 'emergency').length;
        const uncertain = cases.filter(c => c.type === 'uncertain').length;
        const clinic = cases.filter(c => c.type === 'public_clinic' || c.type === 'private_clinic').length;
        const total = cases.length;

        document.getElementById('stat-emergency').textContent = emergency;
        document.getElementById('stat-uncertain').textContent = uncertain;
        document.getElementById('stat-clinic').textContent = clinic;
        document.getElementById('stat-total').textContent = total;

    } catch (error) {
        console.error('❌ Statistics yuklashda xatolik:', error);
    }
}

// ==================== NOTIFICATIONS ====================

function showNotification(message, bgClass = 'bg-info') {
    const toastHtml = `
        <div class="toast align-items-center ${bgClass} text-white border-0" role="alert" 
             style="position: fixed; top: 80px; right: 20px; z-index: 9999;">
            <div class="d-flex">
                <div class="toast-body">
                    ${message}
                </div>
                <button type="button" class="btn-close btn-close-white me-2 m-auto" 
                        data-bs-dismiss="toast"></button>
            </div>
        </div>
    `;

    const toastElement = document.createElement('div');
    toastElement.innerHTML = toastHtml;
    document.body.appendChild(toastElement);

    const toast = new bootstrap.Toast(toastElement.firstElementChild, {
        delay: 3000
    });
    toast.show();

    toastElement.firstElementChild.addEventListener('hidden.bs.toast', () => {
        document.body.removeChild(toastElement);
    });
}

// ==================== MAP FUNCTIONS ====================

function initializeMap() {
    console.log('🗺️ Xarita ishga tushmoqda...');

    clinicMap = L.map('clinic-map', {
        zoomControl: true,
        scrollWheelZoom: true
    }).setView([41.2995, 69.2401], 11);

    L.tileLayer('https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}{r}.png', {
        attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OSM</a> | CartoDB',
        maxZoom: 19,
        subdomains: 'abcd'
    }).addTo(clinicMap);

    markerClusterGroup = L.markerClusterGroup({
        maxClusterRadius: 50,
        spiderfyOnMaxZoom: true,
        showCoverageOnHover: false,
        zoomToBoundsOnClick: true,
        iconCreateFunction: function (cluster) {
            const count = cluster.getChildCount();
            let size = 'small';

            if (count > 10) size = 'large';
            else if (count > 5) size = 'medium';

            return L.divIcon({
                html: `<div class="marker-cluster-custom marker-cluster-${size}">
                        <span>${count}</span>
                       </div>`,
                className: 'marker-cluster-wrapper',
                iconSize: L.point(40, 40)
            });
        }
    });

    clinicMap.addLayer(markerClusterGroup);
    loadClinicsOnMap();

    console.log('✅ Xarita tayyor');
}

async function loadClinicsOnMap() {
    try {
        console.log('📍 Klinikalarni yuklanmoqda...');

        const response = await fetch('/api/clinics');
        if (!response.ok) {
            throw new Error('Klinikalar yuklanmadi');
        }

        const clinics = await response.json();
        console.log(`📋 ${clinics.length} ta klinika topildi`);

        if (markerClusterGroup) {
            markerClusterGroup.clearLayers();
        }
        clinicMarkers = [];

        clinics.forEach(clinic => {
            addClinicMarker(clinic);
        });

    } catch (error) {
        console.error('❌ Klinikalarni yuklashda xatolik:', error);
    }
}

function addClinicMarker(clinic) {
    const lat = clinic.gps?.lat;
    const lon = clinic.gps?.lon;

    if (!lat || !lon) {
        console.warn(`⚠️ GPS yo'q: ${clinic.name}`);
        return;
    }

    const markerColor = clinic.type === 'davlat' ? '#3498db' : '#27ae60';
    const iconClass = clinic.type === 'davlat' ? 'bi-hospital' : 'bi-hospital-fill';

    const markerIcon = L.divIcon({
        className: 'custom-clinic-marker',
        html: `<div class="clinic-marker-icon" style="
            background: ${markerColor};
            width: 36px;
            height: 36px;
            border-radius: 50% 50% 50% 0;
            border: 3px solid white;
            box-shadow: 0 3px 10px rgba(0,0,0,0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 16px;
            transform: rotate(-45deg);
            position: relative;
        ">
            <i class="bi ${iconClass}" style="transform: rotate(45deg);"></i>
        </div>`,
        iconSize: [36, 36],
        iconAnchor: [18, 36],
        popupAnchor: [0, -36]
    });

    const marker = L.marker([lat, lon], { icon: markerIcon });

    const typeLabel = clinic.type === 'davlat' ?
        '<span class="badge bg-info">Davlat</span>' :
        '<span class="badge bg-success">Xususiy</span>';

    const popupContent = `
        <div class="clinic-popup">
            <div class="d-flex justify-content-between align-items-start mb-2">
                <h6 class="mb-0 flex-grow-1">${clinic.name}</h6>
                ${typeLabel}
            </div>
            <hr class="my-2">
            <p class="mb-1 small text-muted">
                <i class="bi bi-geo-alt-fill text-danger me-1"></i> 
                ${clinic.district}
            </p>
            <p class="mb-1 small text-muted">
                <i class="bi bi-telephone-fill text-primary me-1"></i> 
                ${clinic.phone}
            </p>
            <p class="mb-2 small">
                <i class="bi bi-star-fill text-warning me-1"></i> 
                <strong>${clinic.rating}</strong>/5.0
                <span class="text-muted">(${clinic.doctors_count} doktor)</span>
            </p>
            <button class="btn btn-sm btn-primary w-100" onclick="showClinicDetails('${clinic.id}')">
                <i class="bi bi-info-circle me-1"></i> Batafsil
            </button>
        </div>
    `;

    marker.bindPopup(popupContent, {
        maxWidth: 250,
        className: 'custom-popup'
    });

    marker.clinicType = clinic.type;
    clinicMarkers.push(marker);

    if (markerClusterGroup) {
        markerClusterGroup.addLayer(marker);
    }
}

function toggleMapLayer(layer) {
    console.log(`🔄 Layer o'zgartirildi: ${layer}`);
    currentMapLayer = layer;

    document.querySelectorAll('#btn-all, #btn-davlat, #btn-xususiy').forEach(btn => {
        btn.classList.remove('active');
    });
    document.getElementById(`btn-${layer}`).classList.add('active');

    if (markerClusterGroup) {
        markerClusterGroup.clearLayers();
    }

    clinicMarkers.forEach(marker => {
        if (layer === 'all') {
            markerClusterGroup.addLayer(marker);
        } else if (layer === 'davlat' && marker.clinicType === 'davlat') {
            markerClusterGroup.addLayer(marker);
        } else if (layer === 'xususiy' && marker.clinicType === 'xususiy') {
            markerClusterGroup.addLayer(marker);
        }
    });
}

async function showClinicDetails(clinicId) {
    try {
        console.log(`📋 Klinika ma'lumotlari yuklanmoqda: ${clinicId}`);

        const response = await fetch(`/api/clinics/${clinicId}`);
        if (!response.ok) {
            throw new Error('Klinika topilmadi');
        }

        const clinic = await response.json();

        document.getElementById('clinicModalTitle').innerHTML = `
            <i class="bi bi-hospital-fill me-2"></i>${clinic.name}
        `;

        const modalBody = document.getElementById('clinicModalBody');
        modalBody.innerHTML = `
            ${clinic.banner_url ? `
                <img src="${clinic.banner_url}" class="img-fluid rounded mb-3" alt="${clinic.name}">
            ` : ''}

            <div class="row mb-3">
                <div class="col-md-6">
                    <p class="mb-2">
                        <strong>Turi:</strong>
                        <span class="badge ${clinic.type === 'davlat' ? 'bg-info' : 'bg-success'}">
                            ${clinic.type === 'davlat' ? 'Davlat' : 'Xususiy'}
                        </span>
                    </p>
                    <p class="mb-2"><strong>Tuman:</strong> ${clinic.district}</p>
                    <p class="mb-2"><strong>Manzil:</strong> ${clinic.address}</p>
                    <p class="mb-2">
                        <strong>Telefon:</strong> 
                        <a href="tel:${clinic.phone}">${clinic.phone}</a>
                    </p>
                </div>
                <div class="col-md-6">
                    <p class="mb-2">
                        <strong>Reyting:</strong>
                        <span class="text-warning">
                            ${'★'.repeat(Math.floor(clinic.rating))}${'☆'.repeat(5 - Math.floor(clinic.rating))}
                        </span>
                        ${clinic.rating}/5.0
                    </p>
                    <p class="mb-2"><strong>Ish vaqti:</strong> ${clinic.working_hours}</p>
                    <p class="mb-2"><strong>Ish kunlari:</strong> ${clinic.working_days.join(', ')}</p>
                    <p class="mb-2"><strong>Doktorlar:</strong> ${clinic.doctors_count} ta</p>
                </div>
            </div>

            ${clinic.description ? `
                <div class="alert alert-info mb-3">
                    <i class="bi bi-info-circle-fill me-1"></i> ${clinic.description}
                </div>
            ` : ''}

            <h6 class="mt-3 mb-2">Mutaxassisliklar</h6>
            <div class="mb-3">
                ${clinic.specializations.map(spec => `
                    <span class="badge bg-primary me-1 mb-1">${spec}</span>
                `).join('')}
            </div>

            ${clinic.services && clinic.services.length > 0 ? `
                <h6 class="mt-3 mb-2">Xizmatlar</h6>
                <ul class="list-group mb-3">
                    ${clinic.services.map(service => `
                        <li class="list-group-item d-flex justify-content-between align-items-center">
                            ${service.name}
                            <span class="badge bg-success">${service.price}</span>
                        </li>
                    `).join('')}
                </ul>
            ` : ''}

            ${clinic.doctors && clinic.doctors.length > 0 ? `
                <h6 class="mt-3 mb-2">Doktorlar (${clinic.doctors.length})</h6>
                <div class="row">
                    ${clinic.doctors.slice(0, 6).map(doctor => `
                        <div class="col-md-6 mb-3">
                            <div class="card h-100">
                                <div class="card-body p-2">
                                    <div class="d-flex align-items-center">
                                        <img src="${doctor.photo_url}" 
                                             class="rounded-circle me-2" 
                                             style="width: 50px; height: 50px; object-fit: cover;"
                                             alt="${doctor.full_name}">
                                        <div>
                                            <h6 class="mb-0 small">${doctor.full_name}</h6>
                                            <p class="mb-0 text-muted" style="font-size: 0.75rem;">
                                                ${doctor.specialty}
                                            </p>
                                            <p class="mb-0" style="font-size: 0.7rem;">
                                                <span class="text-warning">★</span> ${doctor.rating}
                                            </p>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    `).join('')}
                </div>
            ` : ''}

            ${clinic.photos && clinic.photos.length > 0 ? `
                <h6 class="mt-3 mb-2">Fotogalereya</h6>
                <div class="row">
                    ${clinic.photos.map(photo => `
                        <div class="col-md-4 mb-2">
                            <img src="${photo.url}" class="img-fluid rounded" alt="${photo.caption}">
                            ${photo.caption ? `<p class="text-center small text-muted mt-1">${photo.caption}</p>` : ''}
                        </div>
                    `).join('')}
                </div>
            ` : ''}
        `;

        const modal = new bootstrap.Modal(document.getElementById('clinicModal'));
        modal.show();

    } catch (error) {
        console.error('❌ Klinika ma\'lumotlarini yuklashda xatolik:', error);
        alert('Klinika ma\'lumotlarini yuklashda xatolik yuz berdi');
    }
}

// ==================== BRIGADE TRACKING ====================

function startBrigadeTracking() {
    console.log('🚑 Brigade tracking boshlandi');
    updateBrigadeMarkers();
    brigadeUpdateInterval = setInterval(() => {
        updateBrigadeMarkers();
    }, 3000);
}

async function updateBrigadeMarkers() {
    try {
        const response = await fetch('/api/brigades/live');
        if (!response.ok) {
            throw new Error('Brigadalar yuklanmadi');
        }

        const brigades = await response.json();

        brigades.forEach(brigade => {
            updateBrigadeMarker(brigade);
        });

    } catch (error) {
        console.error('❌ Brigade tracking xatolik:', error);
    }
}

function updateBrigadeMarker(brigade) {
    const brigadeId = brigade.brigade_id;
    const currentLat = brigade.current_lat;
    const currentLon = brigade.current_lon;

    if (!currentLat || !currentLon) return;

    if (brigadeMarkers[brigadeId]) {
        const marker = brigadeMarkers[brigadeId];
        marker.setLatLng([currentLat, currentLon]);
        marker.setPopupContent(getBrigadePopupContent(brigade));
    } else {
        const marker = createBrigadeMarker(brigade);
        brigadeMarkers[brigadeId] = marker;
        marker.addTo(clinicMap);
    }
}

function createBrigadeMarker(brigade) {
    const currentLat = brigade.current_lat;
    const currentLon = brigade.current_lon;
    const status = brigade.current_status;

    const color = status === 'busy' ? '#dc3545' : '#28a745';
    const icon = status === 'busy' ? '🚑' : '🟢';

    const markerIcon = L.divIcon({
        className: 'brigade-marker',
        html: `<div class="brigade-marker-icon" style="
            background: ${color};
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 3px solid white;
            box-shadow: 0 3px 12px rgba(0,0,0,0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            animation: brigade-pulse 2s infinite;
        ">
            ${icon}
        </div>`,
        iconSize: [40, 40],
        iconAnchor: [20, 20]
    });

    const marker = L.marker([currentLat, currentLon], {
        icon: markerIcon,
        zIndexOffset: 1000
    });

    marker.bindPopup(getBrigadePopupContent(brigade));

    return marker;
}

function getBrigadePopupContent(brigade) {
    const statusLabel = brigade.current_status === 'busy' ?
        '<span class="badge bg-danger">Bandlik</span>' :
        '<span class="badge bg-success">Bo\'sh</span>';

    return `
        <div class="brigade-popup">
            <h6 class="mb-2">
                <i class="bi bi-ambulance me-1"></i>
                ${brigade.name}
            </h6>
            <hr class="my-2">
            <p class="mb-1 small">
                <strong>Status:</strong> ${statusLabel}
            </p>
            <p class="mb-1 small text-muted">
                <i class="bi bi-telephone-fill me-1"></i> ${brigade.phone}
            </p>
            <p class="mb-0 small text-muted">
                <i class="bi bi-speedometer2 me-1"></i> ${brigade.speed_kmh} km/h
            </p>
            ${brigade.assigned_case_id ? `
                <p class="mb-0 small mt-2">
                    <span class="badge bg-primary">Case: ${brigade.assigned_case_id}</span>
                </p>
            ` : ''}
        </div>
    `;
}

// ==================== STATISTICS CHARTS ====================

function initializeCharts() {
    console.log('📊 Grafiklar ishga tushmoqda...');

    const ctxHourly = document.getElementById('casesHourlyChart');
    if (ctxHourly) {
        casesHourlyChart = new Chart(ctxHourly, {
            type: 'line',
            data: {
                labels: ['00:00', '03:00', '06:00', '09:00', '12:00', '15:00', '18:00', '21:00'],
                datasets: [{
                    label: 'Murojatlar',
                    data: [5, 3, 7, 12, 18, 15, 10, 8],
                    borderColor: '#667eea',
                    backgroundColor: 'rgba(102, 126, 234, 0.1)',
                    tension: 0.4,
                    fill: true
                }]
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,
                plugins: {
                    legend: {
                        display: false
                    }
                },
                scales: {
                    y: {
                        beginAtZero: true,
                        ticks: {
                            stepSize: 5
                        }
                    }
                }
            }
        });
    }

    const ctxRisk = document.getElementById('riskDistributionChart');
    if (ctxRisk) {
        riskDistributionChart = new Chart(ctxRisk, {
            type: 'doughnut',
            data: {
                labels: ['Qizil', 'Sariq', 'Yashil'],
                datasets: [{
                    data: [0, 0, 0],
                    backgroundColor: [
                        '#dc3545',
                        '#ffc107',
                        '#28a745'
                    ],
                    borderWidth: 0
                }]
            },
            options: {
                responsive: true,
                maintainAspectRatio: false,
                plugins: {
                    legend: {
                        position: 'bottom'
                    }
                }
            }
        });
    }

    updateStatisticsCharts();
}

async function updateStatisticsCharts() {
    try {
        const response = await fetch('/api/cases');
        if (!response.ok) return;

        const cases = await response.json();

        const qizil = cases.filter(c => c.risk_level === 'qizil').length;
        const sariq = cases.filter(c => c.risk_level === 'sariq').length;
        const yashil = cases.filter(c => c.risk_level === 'yashil').length;

        if (riskDistributionChart) {
            riskDistributionChart.data.datasets[0].data = [qizil, sariq, yashil];
            riskDistributionChart.update();
        }

        await updateBrigadeStatistics();

    } catch (error) {
        console.error('❌ Statistika yangilashda xatolik:', error);
    }
}

async function updateBrigadeStatistics() {
    try {
        const response = await fetch('/api/brigades/live');
        if (!response.ok) return;

        const brigades = await response.json();

        const busy = brigades.filter(b => b.current_status === 'busy').length;
        const available = brigades.filter(b => b.current_status === 'available').length;
        const total = brigades.length;

        document.getElementById('active-brigades-count').textContent = total;
        document.getElementById('busy-brigades').textContent = busy;
        document.getElementById('available-brigades').textContent = available;

    } catch (error) {
        console.error('❌ Brigade statistika xatolik:', error);
    }
}