/**
 * 主入口文件
 * 初始化应用，连接各个模块
 */
import store from './store.js';
import UIRenderer from './renderer.js';
import apiClient from './api.js';
import wsManager from './websocket.js';
import { mockCallSession } from './models.js';
import { showNotification, generateId } from './utils.js';

// 全局变量
let renderer = null;
let connectionId = "";
/**
 * 初始化应用
 */
function initApp() {
    // 初始化渲染器
    renderer = new UIRenderer(store);

    // 初始化WebSocket连接
    wsManager.connect();

    // 绑定WebSocket事件
    bindWebSocketEvents();

    // 绑定DOM事件
    bindDomEvents();

    // 初始化WebRTC (如果需要)
    // initWebRTC();


    console.log('App initialized');
}

/**
 * 绑定WebSocket事件
 */
function bindWebSocketEvents() {
    wsManager.on('connect', () => {
        console.log('WebSocket connected');
        showNotification('已连接到服务器');
    });

    wsManager.on('disconnect', () => {
        console.log('WebSocket disconnected');
        showNotification('与服务器的连接已断开', 5000);
    });

    wsManager.on('message-received', (data) => {
        console.log('Message received:', data);
        store.addMessage(data.message);
    });

    wsManager.on('user-joined', (data) => {
        console.log('User joined:', data);
        showNotification(`${data.userId} 加入了通话`);
    });

    wsManager.on('user-left', (data) => {
        console.log('User left:', data);
        showNotification(`${data.userId} 离开了通话`);
    });

    wsManager.on('media-state-changed', (data) => {
        console.log('Media state changed:', data);
        // 更新远端媒体状态
        if (data.userId !== store.getLocalUser().id) {
            store.updateRemoteMedia(data);
        }
    });

    wsManager.on('network-quality', (data) => {
        console.log('Network quality changed:', data);
        // 更新网络质量
        const state = store.getState();
        if (data.userId === state.session.remoteUser.id) {
            state.session.remoteUser.networkQuality = data.quality;
            store.notify({ type: 'NETWORK_CHANGE', quality: data.quality });
        }
    });

    wsManager.on('call-ended', (data) => {
        console.log('Call ended:', data);
        store.endCall();
        showNotification('通话已结束', 3000);
    });

    wsManager.on('call-request', (data) => {
        console.log('Call request received:', data);
        // 显示通话请求弹窗
        if (window.showCallRequest) {
              const caller = {
            name: mockCallSession.remoteUser.name,
            avatar:mockCallSession.remoteUser.avatar
        };
            window.showCallRequest(caller);
            connectionId =data.connectionId;
        }
    });
}

/**
 * 绑定DOM事件
 */
function bindDomEvents() {
    // 切换侧边栏
    window.toggleSidebar = function () {
        store.toggleSidebar();
    };

    // 切换麦克风
    window.toggleMute = function (button) {
        const state = store.getState();
        const currentState = state.session.localUser.mediaState.audio;
        store.updateLocalMedia('audio', !currentState);
    };

    // 切换视频
    window.toggleVideo = function (button) {
        const state = store.getState();
        const currentState = state.session.localUser.mediaState.video;
        store.updateLocalMedia('video', !currentState);
    };

    // 切换本地视频（用于悬停控制）
    window.toggleLocalVideo = function () {
        window.toggleVideo();
    };

    // 切换录屏
    window.toggleRecording = function (button) {
        const state = store.getState();
        const currentState = state.session.localUser.mediaState.recording || false;
        store.updateLocalMedia('recording', !currentState);

        // 显示录制状态通知
        if (!currentState) {
            showNotification('开始录制');
        } else {
            showNotification('停止录制');
        }
    };

    // 结束通话
    window.endCall = function () {
        // 显示确认对话框
        document.getElementById('endCallDialog').classList.remove('hidden');
    };

    // 取消结束通话
    window.cancelEndCall = function () {
        document.getElementById('endCallDialog').classList.add('hidden');
    };

    // 确认结束通话
    window.confirmEndCall = function () {
        document.getElementById('endCallDialog').classList.add('hidden');
        store.endCall();
        showNotification('通话已结束');
    };

    // 显示通话请求弹窗
    window.showCallRequest = function (caller) {
        const dialog = document.getElementById('callRequestDialog');
        if (dialog) {
            // 设置通话请求信息
            if (document.getElementById('callRequestName')) {
                document.getElementById('callRequestName').textContent = caller.name;
            }
            if (document.getElementById('callRequestAvatar')) {
                document.getElementById('callRequestAvatar').src = caller.avatar;
            }
            // 显示弹窗
            dialog.classList.remove('hidden');
        }
    };

    // 拒绝通话
    window.rejectCall = function () {
        const dialog = document.getElementById('callRequestDialog');
        if (dialog) {
            dialog.classList.add('hidden');
        }
        showNotification('已拒绝通话请求');
        // 可以在这里添加发送拒绝通话请求到服务器的逻辑
    };

    // 接受通话
    window.acceptCall = function () {
        const dialog = document.getElementById('callRequestDialog');
        if (dialog) {
            dialog.classList.add('hidden');
        }
        showNotification('已接受通话请求');
        // 可以在这里添加发送接受通话请求到服务器的逻辑
        // 然后初始化通话
        store.initCall();
        store.setUp(connectionId);
    };

    // 发送消息
    window.sendMessage = function () {
        const chatInput = document.getElementById('chatInput');
        const content = chatInput.value.trim();

        if (content) {
            const state = store.getState();
            const newMessage = {
                id: generateId(),
                senderId: state.session.localUser.id,
                senderName: state.session.localUser.name,
                senderAvatar: state.session.localUser.avatar,
                content: content,
                type: 'text',
                timestamp: new Date().toISOString(),
                isSelf: true
            };

            store.addMessage(newMessage);
            chatInput.value = '';

            // 发送消息到服务器
            // wsManager.send('send-message', newMessage);
        }
    };

    // 处理聊天输入回车
    window.handleChatSubmit = function (event) {
        if (event.key === 'Enter') {
            window.sendMessage();
        }
    };

    // 打开图片选择器
    window.openImagePicker = function () {
        document.getElementById('imageInput').click();
    };

    // 处理图片上传
    window.handleImageUpload = function (event) {
        const file = event.target.files[0];
        if (file) {
            // 检查文件类型
            if (!file.type.startsWith('image/')) {
                showNotification('请选择图片文件', 3000);
                return;
            }

            // 检查文件大小（限制为5MB）
            if (file.size > 5 * 1024 * 1024) {
                showNotification('图片文件不能超过5MB', 3000);
                return;
            }

            // 读取图片文件
            const reader = new FileReader();
            reader.onload = function (e) {
                const imageUrl = e.target.result;
                sendImageMessage(imageUrl, file.name);
            };
            reader.readAsDataURL(file);

            // 重置文件输入
            event.target.value = '';
        }
    };

    // 发送图片消息
    function sendImageMessage(imageUrl, fileName) {
        const state = store.getState();
        const newMessage = {
            id: generateId(),
            senderId: state.session.localUser.id,
            senderName: state.session.localUser.name,
            senderAvatar: state.session.localUser.avatar,
            content: imageUrl,
            fileName: fileName,
            type: 'file',
            timestamp: new Date().toISOString(),
            isSelf: true
        };

        store.addMessage(newMessage);

        // 发送消息到服务器
        // wsManager.send('send-message', newMessage);
    }

    // 键盘快捷键
    document.addEventListener('keydown', (event) => {
        // 空格键静音
        if (event.code === 'Space' && !event.target.matches('input, textarea')) {
            event.preventDefault();
            window.toggleMute();
        }

        // Ctrl+V 切换视频
        if (event.ctrlKey && event.key === 'v') {
            event.preventDefault();
            window.toggleVideo();
        }
    });

    // 绑定对话框事件
    document.getElementById('cancelEndCall').addEventListener('click', window.cancelEndCall);
    document.getElementById('confirmEndCall').addEventListener('click', window.confirmEndCall);

    // 绑定通话请求对话框事件
    if (document.getElementById('rejectCall')) {
        document.getElementById('rejectCall').addEventListener('click', window.rejectCall);
    }
    if (document.getElementById('acceptCall')) {
        document.getElementById('acceptCall').addEventListener('click', window.acceptCall);
    }
}


// 页面加载完成后初始化
window.addEventListener('DOMContentLoaded', async () => {
    try {
        // 检查本地存储中是否有连接ID
        const connectionId = localStorage.getItem('connectionId');

        if (!connectionId) {
            // 如果没有连接ID，跳转到连接界面
            window.location.href = './connect/connect.html';
            return;
        }

        // 初始化 store
        //await store.init();

        // 初始化渲染器
        new UIRenderer(store);

        // 加入通话
        await store.joinCall(connectionId);

        // 设置WebRTC连接
        await store.setUp(connectionId);

        // 绑定DOM事件
        bindDomEvents();

        // 绑定WebSocket事件
        bindWebSocketEvents();

        console.log('Video call app initialized successfully');
    } catch (error) {
        console.error('Error initializing app:', error);
        showNotification('初始化失败，请刷新页面重试', 'error');
    }
});

// 导出全局变量
export { store, renderer, apiClient, wsManager };