// Importamos las funciones necesarias de Transformers.js
import { pipeline, RawImage } from 'https://cdn.jsdelivr.net/npm/@xenova/transformers@2.17.1';

// Módulo de Estado Global de la Aplicación
const AppState = {
    isWaking: false,
    isAwake: false,
    user: { name: 'Che' },
    ai: { name: 'Synapse' },
    activeMode: 'eco',
    isProcessing: false,
    isSpeaking: false,
    models: { detector: null, textGenerator: null },
    dom: {},
    analysisInterval: null,
    voice: null
};

// ===================================================================
// MÓDULO 0: PERSONALIDAD Y VOZ (EL ALMA ARGENTINA)
// ===================================================================
const Prompts_AR = {
    greeting: (aiName) => `¡Listo, acá estoy! Soy ${aiName}. Apuntá la cámara y vemos qué onda.`,
    eco: (object, isNew) => isNew ? 
        `Che, eso parece un/a ${object}. ¿Sabés la posta para reciclarlo? Te cuento: ` : 
        `Otra vez un/a ${object}, ¡qué copado! Nos estamos volviendo expertos en esto, ¿eh? `,
    root: (object, isNew) => isNew ? 
        `Mirá qué bueno, un/a ${object}. Te tiro un dato de color sobre esto que seguro no sabías: ` :
        `¡De nuevo por acá, ${object}! Me encanta que sigamos explorando juntos. `,
    serenity: `Bueno, pará un poco la moto. Se nota que estás a mil. Tomate un toque para vos. Concentrate en tu respiración... inhalá... y exhalá despacito...`,
    mirrorLog: (source, reason) => `A esta hora, en modo "${source}", te sugerí algo porque ${reason}.`
};

const VoiceManager = {
    synth: window.speechSynthesis,
    utterance: new SpeechSynthesisUtterance(),
    
    async loadVoices() {
        return new Promise(resolve => {
            let voices = this.synth.getVoices();
            if (voices.length) {
                this.findBestVoice(voices);
                resolve();
                return;
            }
            this.synth.onvoiceschanged = () => {
                voices = this.synth.getVoices();
                this.findBestVoice(voices);
                resolve();
            };
        });
    },

    findBestVoice(voices) {
        let bestVoice = voices.find(v => v.lang === 'es-AR');
        if (!bestVoice) bestVoice = voices.find(v => v.lang === 'es-US');
        if (!bestVoice) bestVoice = voices.find(v => v.lang.startsWith('es-'));
        
        if (bestVoice) {
            console.log(`Voz seleccionada: ${bestVoice.name} (${bestVoice.lang})`);
            AppState.voice = bestVoice;
        } else {
            console.warn("No se encontró una voz en español. La experiencia de voz puede no ser óptima.");
        }
    },

    speak(text) {
        if (!AppState.voice) {
            console.log("Hablando (sin voz seleccionada):", text);
            return;
        }
        if (this.synth.speaking) this.synth.cancel();
        
        this.utterance.text = text;
        this.utterance.voice = AppState.voice;
        this.utterance.lang = AppState.voice.lang;
        this.utterance.rate = 1.0;
        this.utterance.pitch = 1.0;
        this.utterance.onstart = () => AppState.isSpeaking = true;
        this.utterance.onend = () => AppState.isSpeaking = false;
        
        this.synth.speak(this.utterance);
    }
};

// ===================================================================
// MÓDULO 1: GESTIÓN DE CICLO DE VIDA, USUARIO Y MEMORIA
// ===================================================================
const LifecycleManager = {
    init() {
        this.cacheDom();
        this.bindEventListeners();
        this.checkUserAndMemory();
    },

    cacheDom() {
        AppState.dom = {
            welcomeScreen: document.getElementById('welcome-screen'),
            appContainer: document.getElementById('app-container'),
            loadingStatus: document.getElementById('loading-status'),
            userCreation: document.getElementById('user-creation'),
            usernameInput: document.getElementById('username-input'),
            ainameInput: document.getElementById('ainame-input'),
            createUserBtn: document.getElementById('create-user-btn'),
            wakeAiBtn: document.getElementById('wake-ai-btn'),
            cameraFeed: document.getElementById('camera-feed'),
            statusIndicator: document.getElementById('status-indicator'),
            statusText: document.getElementById('status-text'),
            outputContainer: document.getElementById('output-container'),
            outputText: document.getElementById('output-text'),
            body: document.getElementById('synapse-body'),
            settingsScreen: document.getElementById('settings-screen'),
            mirrorScreen: document.getElementById('consciousness-mirror'),
            mirrorLog: document.getElementById('mirror-log'),
            settingsBtn: document.getElementById('settings-btn'),
            saveSettingsBtn: document.getElementById('save-settings-btn'),
            mirrorToggleBtn: document.getElementById('mirror-toggle-btn'),
            closePanelBtns: document.querySelectorAll('.close-panel-btn'),
            controlBtns: document.querySelectorAll('.control-btn')
        };
    },

    bindEventListeners() {
        AppState.dom.createUserBtn.addEventListener('click', () => this.createUser());
        AppState.dom.wakeAiBtn.addEventListener('click', () => this.wakeUpAI());
        AppState.dom.settingsBtn.addEventListener('click', () => this.togglePanel('settingsScreen', true));
        AppState.dom.mirrorToggleBtn.addEventListener('click', () => {
            this.togglePanel('settingsScreen', false);
            this.togglePanel('mirrorScreen', true);
        });
        AppState.dom.closePanelBtns.forEach(btn => btn.addEventListener('click', (e) => {
            e.target.closest('.modal-panel').classList.remove('visible');
        }));
        AppState.dom.controlBtns.forEach(btn => btn.addEventListener('click', () => this.setActiveMode(btn.dataset.mode)));
        AppState.dom.saveSettingsBtn.addEventListener('click', () => this.saveSettings());
    },

    async checkUserAndMemory() {
        await VoiceManager.loadVoices();
        const user = localStorage.getItem('synapseUser');
        const ai = localStorage.getItem('synapseAI');
        if (user && ai) {
            AppState.user = JSON.parse(user);
            AppState.ai = JSON.parse(ai);
            AppState.memory = JSON.parse(localStorage.getItem('synapseMemory') || '{"interactions":{}}');
            
            AppState.dom.welcomeScreen.classList.remove('visible');
            AppState.dom.appContainer.classList.add('visible');
            this.updateOutput(`¡Hola ${AppState.user.name}! Soy ${AppState.ai.name}. Cuando quieras, despertame.`);
            
        } else {
            AppState.dom.welcomeScreen.classList.add('visible');
            AppState.dom.appContainer.classList.remove('visible');
            AppState.dom.loadingStatus.style.display = 'none';
            AppState.dom.userCreation.style.display = 'block';
        }
    },

    createUser() {
        const username = AppState.dom.usernameInput.value.trim();
        const ainame = AppState.dom.ainameInput.value.trim();
        if (username && ainame) {
            AppState.user.name = username;
            AppState.ai.name = ainame;
            localStorage.setItem('synapseUser', JSON.stringify(AppState.user));
            localStorage.setItem('synapseAI', JSON.stringify(AppState.ai));
            localStorage.setItem('synapseMemory', JSON.stringify({ interactions: {} }));
            this.checkUserAndMemory();
        }
    },

    async wakeUpAI() {
        if (AppState.isAwake || AppState.isWaking) return;
        
        AppState.isWaking = true;
        this.updateOutput("¡Buenas! Dame un toque que me despierto...", true);
        AppState.dom.statusText.textContent = "Despertando...";

        const cameraStarted = await CameraManager.start();
        if (!cameraStarted) {
            this.updateOutput("No pude prender la cámara, che. Fijate los permisos y probá de nuevo.", true);
            AppState.isWaking = false;
            return;
        }

        AppState.dom.statusText.textContent = "Cargando modelos...";
        await AI_Core.initModels();

        AppState.isWaking = false;
        AppState.isAwake = true;
        AppState.dom.statusIndicator.querySelector('.status-dot').classList.remove('offline');
        AppState.dom.controlBtns.forEach(btn => btn.disabled = false);
        
        const greeting = Prompts_AR.greeting(AppState.ai.name);
        this.updateOutput(greeting, true);

        if (AppState.analysisInterval) clearInterval(AppState.analysisInterval);
        AppState.analysisInterval = setInterval(() => this.runContinuousAnalysis(), 4000);
    },
    
    togglePanel(panelId, show) {
        document.getElementById(panelId).classList.toggle('visible', show);
    },
    
    setActiveMode(mode) {
        if (mode === 'serenity') {
            DigitalSerenity.triggerConsciousMoment();
            return;
        }
        if (!AppState.isAwake || AppState.activeMode === mode) return;
        
        AppState.activeMode = mode;
        AppState.dom.controlBtns.forEach(btn => btn.classList.toggle('active', btn.dataset.mode === mode));
    },
    
    saveSettings() {
        const newAiName = document.getElementById('ainame-settings-input').value.trim();
        if (newAiName) {
            AppState.ai.name = newAiName;
            localStorage.setItem('synapseAI', JSON.stringify(AppState.ai));
            this.updateOutput(`¡Listo! A partir de ahora me llamo ${newAiName}.`, true);
        }
        this.togglePanel('settings-screen', false);
    },

    runContinuousAnalysis() {
        if (!AppState.isAwake || AppState.isProcessing || AppState.isSpeaking) return;
        
        AppState.isProcessing = true;
        AppState.dom.statusText.textContent = "Viendo...";
        
        (async () => {
            try {
                const detectedObject = await AI_Core.detectObjects();
                if (detectedObject && !MemoryManager.isRecent(detectedObject)) {
                    const isNew = !MemoryManager.check(detectedObject);
                    MemoryManager.add(detectedObject);
                    
                    let promptBase = "";
                    if (AppState.activeMode === 'eco') {
                        promptBase = Prompts_AR.eco(detectedObject, isNew);
                    } else if (AppState.activeMode === 'root') {
                        promptBase = Prompts_AR.root(detectedObject, isNew);
                    }
                    const response = await AI_Core.generateText(promptBase);
                    this.updateOutput(response, true);
                    ConsciousnessMirror.log(AppState.activeMode, `vi un/a ${detectedObject} y te di una reflexión.`);
                }
            } catch (error) {
                console.error("Error en el ciclo de análisis:", error);
            } finally {
                AppState.isProcessing = false;
                if(AppState.isAwake) AppState.dom.statusText.textContent = "Atento";
            }
        })();
    },

    updateOutput(text, speak = false) {
        AppState.dom.outputContainer.style.animation = 'none';
        AppState.dom.outputContainer.offsetHeight;
        AppState.dom.outputContainer.style.animation = 'slideUp 0.5s ease-out';
        AppState.dom.outputText.textContent = text;
        if (speak) VoiceManager.speak(text);
    }
};

// ===================================================================
// MÓDULO 2: NÚCLEO DE INTELIGENCIA ARTIFICIAL
// ===================================================================
const AI_Core = {
    async initModels() {
        LifecycleManager.updateOutput("Cargando modelo de visión...", false);
        AppState.models.detector = await pipeline('object-detection', 'Xenova/detr-resnet-50');
        LifecycleManager.updateOutput("Cargando modelo de lenguaje...", false);
        AppState.models.textGenerator = await pipeline('text-generation', 'Xenova/Phi-3-mini-4k-instruct-onnx-web');
    },
    async detectObjects() {
        if (!AppState.isAwake || !AppState.models.detector || AppState.dom.cameraFeed.paused || AppState.dom.cameraFeed.ended) return null;
        const image = await RawImage.fromElement(AppState.dom.cameraFeed);
        const objects = await AppState.models.detector(image, { threshold: 0.9, percentage: true });
        const mainObject = objects.filter(obj => obj.score > 0.9).sort((a,b) => b.score - a.score)[0];
        return mainObject ? mainObject.label : null;
    },
    async generateText(prompt) {
        if (!AppState.models.textGenerator) return "El modelo de lenguaje no está listo.";
        const formattedPrompt = `<|user|>\nSos un asistente de IA argentino, amable y canchero. Respondé de forma concisa. ${prompt}<|end|>\n<|assistant|>\n`;
        const result = await AppState.models.textGenerator(formattedPrompt, { max_new_tokens: 80 });
        return result[0].generated_text.split('<|assistant|>').pop().trim();
    }
};

// ===================================================================
// MÓDULO 3: GESTORES DE CÁMARA, MEMORIA Y CARACTERÍSTICAS
// ===================================================================
const CameraManager = {
    async start() {
        try {
            const stream = await navigator.mediaDevices.getUserMedia({ video: { facingMode: 'environment' }, audio: false });
            AppState.dom.cameraFeed.srcObject = stream;
            return true;
        } catch (error) {
            console.error("Error al acceder a la cámara:", error);
            return false;
        }
    }
};

const MemoryManager = {
    add(objectLabel) {
        AppState.memory.interactions[objectLabel] = {
            timestamp: Date.now(),
            count: (AppState.memory.interactions[objectLabel]?.count || 0) + 1
        };
        localStorage.setItem('synapseMemory', JSON.stringify(AppState.memory));
    },
    check(objectLabel) {
        return AppState.memory.interactions[objectLabel] !== undefined;
    },
    isRecent(objectLabel) {
        const interaction = AppState.memory.interactions[objectLabel];
        return interaction && (Date.now() - interaction.timestamp < 30000);
    }
};

const DigitalSerenity = {
    triggerConsciousMoment() {
        const text = Prompts_AR.serenity;
        LifecycleManager.updateOutput(text, true);
        AppState.dom.body.classList.add('serenity-nudge');
        if ('vibrate' in navigator) navigator.vibrate([4000, 1000, 6000]);
        ConsciousnessMirror.log('Modo Zen', `se activó un momento de calma.`);
        setTimeout(() => AppState.dom.body.classList.remove('serenity-nudge'), 11000);
    }
};

const ConsciousnessMirror = {
    log(source, reason) {
        const logEntry = { source, reason, timestamp: new Date().toLocaleTimeString() };
        let logs = JSON.parse(localStorage.getItem('synapseLogs') || '[]');
        logs.unshift(logEntry);
        logs = logs.slice(0, 20);
        localStorage.setItem('synapseLogs', JSON.stringify(logs));
        this.render();
    },
    render() {
        const logs = JSON.parse(localStorage.getItem('synapseLogs') || '[]');
        AppState.dom.mirrorLog.innerHTML = logs.map(entry => `
            <div class="log-entry">
                <strong>${entry.source} (${entry.timestamp})</strong>
                <p>${Prompts_AR.mirrorLog(entry.source, entry.reason)}</p>
            </div>
        `).join('');
    }
};

// ===================================================================
// PUNTO DE ENTRADA PRINCIPAL
// ===================================================================
window.onload = () => {
    LifecycleManager.init();
};