/**
 * 华为交互数字人 - HwICSUiSdk 集成示例
 */

import { HwICSUiSdk } from '../hwICSUiSdk/HwICSUiSdk.esm.js';
import { fetchOnceCode } from './api.js';

const ICSEventKey = {
    ERROR: 'error',
    JOB_INFO_CHANGE: 'jobInfoChange',
    SPEAKING_START: 'speakingStart',
    SPEAKING_STOP: 'speakingStop',
    SPEECH_RECOGNIZED: 'speechRecognized',
    SEMANTIC_RECOGNIZED: 'semanticRecognized',
    ENTER_SLEEP: 'enterSleep',
    ENTER_ACTIVE: 'enterActive',
    LANGUAGE_INFO_CHANGE: 'languageInfoChange',
    JOB_END_MENTION: 'jobEndMention',
    JOB_END: 'jobEnd'
};

const InteractionMode = {
    AUDIO: 'AUDIO',
    TEXT: 'TEXT'
};

const ConfigKey = {
    ENABLE_CAPTION: 'enableCaption',
    ENABLE_CHAT_BTN: 'enableChatBtn',
    ENABLE_HOT_ISSUES: 'enableHotIssues',
    ENABLE_WEAK_ERROR_INFO: 'enableWeakErrorInfo',
    SHOW_LANGUAGE_UI: 'showLanguageUI',
    ENABLE_DEVICE_SETTING: 'enableDeviceSetting',
    ENABLE_NETWORK_CHECK: 'enableNetworkCheck',
    AUTO_PLAY_REMOTE_VIDEO: 'autoPlayRemoteVideo',
    DEFAULT_MUTE_REMOTE_AUDIO: 'defaultMuteRemoteAudio',
    ENABLE_LOCAL_WAKEUP: 'enableLocalWakeup',
    USE_WORKER_WAKEUP: 'useWorkerWakeup'
};

const state = {
    isInitialized: false,
    isChatting: false,
    isSpeaking: false,
    isMuted: false,
    jobInfo: null,
    currentInteractionMode: InteractionMode.AUDIO,
    keepAliveActive: false
};

const elements = {
    serverAddress: document.getElementById('serverAddress'),
    robotId: document.getElementById('robotId'),
    onceCode: document.getElementById('onceCode'),

    initBtn: document.getElementById('initBtn'),
    destroyBtn: document.getElementById('destroyBtn'),
    getOnceCodeBtn: document.getElementById('getOnceCodeBtn'),
    clearLogBtn: document.getElementById('clearLogBtn'),
    fullscreenBtn: document.getElementById('fullscreenBtn'),
    toggleConfigBtn: document.getElementById('toggleConfigBtn'),
    toggleCaptionBtn: document.getElementById('toggleCaptionBtn'),
    toggleLanguageBtn: document.getElementById('toggleLanguageBtn'),
    toggleLogBtn: document.getElementById('toggleLogBtn'),
    applyCaptionStyleBtn: document.getElementById('applyCaptionStyleBtn'),
    languageSelect: document.getElementById('languageSelect'),

    containerBgColor: document.getElementById('containerBgColor'),
    containerBgOpacity: document.getElementById('containerBgOpacity'),
    containerBorderColor: document.getElementById('containerBorderColor'),
    containerBorderRadius: document.getElementById('containerBorderRadius'),
    containerPadding: document.getElementById('containerPadding'),

    tipFontSize: document.getElementById('tipFontSize'),
    tipFontWeight: document.getElementById('tipFontWeight'),
    tipColor: document.getElementById('tipColor'),
    tipLineHeight: document.getElementById('tipLineHeight'),
    tipBgColor: document.getElementById('tipBgColor'),
    tipBgOpacity: document.getElementById('tipBgOpacity'),
    tipBorderRadius: document.getElementById('tipBorderRadius'),
    tipPadding: document.getElementById('tipPadding'),

    messageFontSize: document.getElementById('messageFontSize'),
    messageFontWeight: document.getElementById('messageFontWeight'),
    messageColor: document.getElementById('messageColor'),
    messageLineHeight: document.getElementById('messageLineHeight'),
    messageBgColor: document.getElementById('messageBgColor'),
    messageBgOpacity: document.getElementById('messageBgOpacity'),
    messageBorderRadius: document.getElementById('messageBorderRadius'),
    messagePadding: document.getElementById('messagePadding'),

    hotTitleFontSize: document.getElementById('hotTitleFontSize'),
    hotTitleFontWeight: document.getElementById('hotTitleFontWeight'),
    hotTitleColor: document.getElementById('hotTitleColor'),
    hotTitleLineHeight: document.getElementById('hotTitleLineHeight'),
    hotTitleBgColor: document.getElementById('hotTitleBgColor'),
    hotTitleBgOpacity: document.getElementById('hotTitleBgOpacity'),
    hotTitleBorderRadius: document.getElementById('hotTitleBorderRadius'),
    hotTitlePadding: document.getElementById('hotTitlePadding'),

    hotIssuesFontSize: document.getElementById('hotIssuesFontSize'),
    hotIssuesFontWeight: document.getElementById('hotIssuesFontWeight'),
    hotIssuesColor: document.getElementById('hotIssuesColor'),
    hotIssuesLineHeight: document.getElementById('hotIssuesLineHeight'),
    hotIssuesBgColor: document.getElementById('hotIssuesBgColor'),
    hotIssuesBgOpacity: document.getElementById('hotIssuesBgOpacity'),
    hotIssuesBorderRadius: document.getElementById('hotIssuesBorderRadius'),
    hotIssuesPadding: document.getElementById('hotIssuesPadding'),

    logLevel: document.getElementById('logLevel'),

    digitalHumanBox: document.getElementById('digitalHumanBox'),
    logContainer: document.getElementById('logContainer'),
    connectionStatus: document.getElementById('connectionStatus'),
    sdkVersion: document.getElementById('sdkVersion')
};

const fullscreenState = {
    isFullscreen: false,
    sdkInitialized: false
};

const panelState = {
    configPanel: false,
    captionPanel: false,
    languagePanel: false,
    logPanel: false
};

let panelDragState = {
    isDragging: false,
    currentPanel: null,
    offsetX: 0,
    offsetY: 0,
    originalHeight: null
};

function initPanelDrag() {
    document.querySelectorAll('.floating-panel').forEach(panel => {
        const header = panel.querySelector('.panel-header');
        if (!header) return;

        header.style.cursor = 'move';

        header.addEventListener('mousedown', (e) => {
            if (e.target.tagName === 'BUTTON') return;

            panelDragState.isDragging = true;
            panelDragState.currentPanel = panel;

            const rect = panel.getBoundingClientRect();
            panelDragState.offsetX = e.clientX - rect.left;
            panelDragState.offsetY = e.clientY - rect.top;
            panelDragState.originalHeight = panel.offsetHeight;

            panel.style.transform = 'none';
            panel.style.height = panelDragState.originalHeight + 'px';
        });

        document.addEventListener('mousemove', (e) => {
            if (!panelDragState.isDragging || !panelDragState.currentPanel) return;

            const x = e.clientX - panelDragState.offsetX;
            const y = e.clientY - panelDragState.offsetY;

            const maxX = window.innerWidth - panelDragState.currentPanel.offsetWidth;
            const maxY = window.innerHeight - panelDragState.currentPanel.offsetHeight;

            panelDragState.currentPanel.style.left = Math.max(0, Math.min(x, maxX)) + 'px';
            panelDragState.currentPanel.style.top = Math.max(0, Math.min(y, maxY)) + 'px';
        });

        document.addEventListener('mouseup', () => {
            if (panelDragState.isDragging) {
                panelDragState.isDragging = false;
                if (panelDragState.currentPanel) {
                    panelDragState.currentPanel.style.height = '';
                }
                panelDragState.currentPanel = null;
            }
        });
    });
}

const logger = {
    log(level, message, data = null) {
        const timestamp = new Date().toLocaleTimeString('zh-CN', { hour12: false });
        const entry = document.createElement('div');
        entry.className = 'log-entry';

        const levelClass = level.toLowerCase();
        const displayMessage = data ? `${message} ${JSON.stringify(data, null, 2)}` : message;

        entry.innerHTML = `
            <span class="log-time">[${timestamp}]</span>
            <span class="log-level ${levelClass}">${level}</span>
            <span class="log-message">${displayMessage}</span>
        `;

        elements.logContainer.appendChild(entry);
        elements.logContainer.scrollTop = elements.logContainer.scrollHeight;

        console[level === 'ERROR' ? 'error' : level === 'WARN' ? 'warn' : 'log'](message, data);
    },

    debug(message, data) { this.log('DEBUG', message, data); },
    info(message, data) { this.log('INFO', message, data); },
    warn(message, data) { this.log('WARN', message, data); },
    error(message, data) { this.log('ERROR', message, data); }
};

const eventListeners = {
    [ICSEventKey.ERROR]: (error) => {
        logger.error('SDK 错误', error);
        updateConnectionStatus(false);
    },

    [ICSEventKey.JOB_INFO_CHANGE]: (jobInfo) => {
        logger.info('任务信息变更', jobInfo);
        state.jobInfo = jobInfo;
    },

    [ICSEventKey.SPEAKING_START]: () => {
        logger.info('数字人开始说话');
        state.isSpeaking = true;
        updateUIState();
    },

    [ICSEventKey.SPEAKING_STOP]: () => {
        logger.info('数字人停止说话');
        state.isSpeaking = false;
        updateUIState();
    },

    [ICSEventKey.SPEECH_RECOGNIZED]: (data) => {
        logger.info('语音识别结果', data);
    },

    [ICSEventKey.SEMANTIC_RECOGNIZED]: (data) => {
        logger.info('语义识别结果', data);
    },

    [ICSEventKey.ENTER_SLEEP]: () => {
        logger.info('数字人进入休眠状态');
    },

    [ICSEventKey.ENTER_ACTIVE]: () => {
        logger.info('数字人进入激活状态');
    },

    [ICSEventKey.LANGUAGE_INFO_CHANGE]: (langInfo) => {
        logger.info('语言信息变更', langInfo);
        updateLanguageSelect(langInfo);
    },

    [ICSEventKey.JOB_END_MENTION]: (data) => {
        logger.warn('任务即将结束', data);
    },

    [ICSEventKey.JOB_END]: (data) => {
        logger.info('任务已结束，正在自动重新激活...', data);
        state.isChatting = false;
        state.jobInfo = null;
        if (state.keepAliveActive) {
            setTimeout(async () => {
                try {
                    logger.info('正在调用 activeInteractionMode...');
                    await HwICSUiSdk.activeInteractionMode();
                    logger.info('自动激活成功');
                    state.isChatting = true;
                    updateUIState();
                } catch (error) {
                    logger.error('自动激活失败', error);
                }
            }, 1000);
        }
        updateUIState();
    }
};

let keepAliveTimer = null;
const KEEP_ALIVE_INTERVAL = 30000;

function startKeepAlive() {
    if (keepAliveTimer) return;
    state.keepAliveActive = true;
    logger.info('启动对话保活机制');
    keepAliveTimer = setInterval(async () => {
        if (state.isInitialized && state.keepAliveActive) {
            try {
                await HwICSUiSdk.activeInteractionMode();
                logger.debug('保活 ping');
            } catch (error) {
                logger.warn('保活失败', error);
            }
        }
    }, KEEP_ALIVE_INTERVAL);
}

function stopKeepAlive() {
    if (keepAliveTimer) {
        clearInterval(keepAliveTimer);
        keepAliveTimer = null;
    }
    state.keepAliveActive = false;
    logger.info('停止对话保活机制');
}

function updateUIState() {
    const { isInitialized } = state;

    elements.initBtn.disabled = isInitialized;
    elements.destroyBtn.disabled = !isInitialized;
}

function updateConnectionStatus(connected) {
    const status = elements.connectionStatus;
    if (connected) {
        status.textContent = '已连接';
        status.className = 'status connected';
    } else {
        status.textContent = '未连接';
        status.className = 'status disconnected';
    }
}

function togglePanel(panelId) {
    const panel = document.getElementById(panelId);
    console.log('切换面板:', panelId, '找到元素:', !!panel);
    if (!panel) return;

    const isVisible = panel.classList.contains('visible');
    console.log('当前可见:', isVisible);
    
    Object.keys(panelState).forEach(key => {
        const el = document.getElementById(key);
        if (el) el.classList.remove('visible');
        panelState[key] = false;
    });

    document.querySelectorAll('.toolbar-btn').forEach(btn => btn.classList.remove('active'));

    if (!isVisible) {
        panel.classList.add('visible');
        panelState[panelId] = true;
        console.log('面板已显示:', panelId);
        
        const btnMap = {
            configPanel: 'toggleConfigBtn',
            captionPanel: 'toggleCaptionBtn',
            languagePanel: 'toggleLanguageBtn',
            logPanel: 'toggleLogBtn'
        };
        
        const btnId = btnMap[panelId];
        if (btnId && elements[btnId]) {
            elements[btnId].classList.add('active');
        }
    }
}

async function loadLanguageOptions() {
    if (!state.isInitialized) {
        elements.languageSelect.innerHTML = '<option value="">SDK 未初始化</option>';
        return;
    }

    try {
        const langInfo = await HwICSUiSdk.getLanguageInfo();
        logger.info('获取语言信息成功', langInfo);

        if (langInfo.languageList && langInfo.languageList.length > 0) {
            elements.languageSelect.innerHTML = '';
            langInfo.languageList.forEach(item => {
                const option = document.createElement('option');
                option.value = item.language;
                option.textContent = item.language_desc;
                elements.languageSelect.appendChild(option);
            });

            if (langInfo.currentLanguage) {
                elements.languageSelect.value = langInfo.currentLanguage;
            }
        } else {
            elements.languageSelect.innerHTML = '<option value="">无可用语言</option>';
        }
    } catch (error) {
        logger.error('获取语言信息失败', error);
        elements.languageSelect.innerHTML = '<option value="">加载失败</option>';
    }
}

function updateLanguageSelect(langInfo) {
    if (!langInfo) return;

    if (langInfo.languageList && langInfo.languageList.length > 0) {
        elements.languageSelect.innerHTML = '';
        langInfo.languageList.forEach(item => {
            const option = document.createElement('option');
            option.value = item.language;
            option.textContent = item.language_desc;
            elements.languageSelect.appendChild(option);
        });
    }

    if (langInfo.currentLanguage) {
        elements.languageSelect.value = langInfo.currentLanguage;
    }
}

async function changeLanguage(langCode) {
    if (!state.isInitialized) {
        logger.error('SDK 未初始化，无法切换语言');
        return;
    }

    try {
        logger.info('正在切换语言...', langCode);
        await HwICSUiSdk.changeLanguage({ langCode });
        logger.info('语言切换成功', langCode);
    } catch (error) {
        logger.error('语言切换失败', error);
    }
}

async function initializeSDK() {
    try {
        const serverAddress = elements.serverAddress.value.trim();
        const robotId = elements.robotId.value.trim();
        let onceCode = elements.onceCode.value.trim();

        if (!serverAddress) {
            logger.error('请输入服务器地址');
            return;
        }

        if (!onceCode) {
            logger.info('授权码为空，正在自动获取...');
            try {
                onceCode = await fetchOnceCode();
                elements.onceCode.value = onceCode;
                logger.info('授权码自动获取成功');
            } catch (err) {
                logger.error('授权码自动获取失败', err.message);
                return;
            }
        }

        logger.info('正在初始化 SDK...');

        const isSupported = await HwICSUiSdk.checkBrowserSupport(true);
        if (!isSupported) {
            logger.error('当前浏览器不支持该功能');
            return;
        }

        const logLevel = elements.logLevel.value;
        HwICSUiSdk.setLogLevel(logLevel);
        HwICSUiSdk.addEventListeners(eventListeners);

        const createParam = {
            serverAddress,
            containerId: 'digitalHumanBox',
            robotId: robotId || undefined,
            onceCode: onceCode || undefined,
            config: {
                [ConfigKey.ENABLE_CAPTION]: true,
                [ConfigKey.ENABLE_CHAT_BTN]: true,
                [ConfigKey.ENABLE_HOT_ISSUES]: true,
                [ConfigKey.ENABLE_WEAK_ERROR_INFO]: false,
                [ConfigKey.SHOW_LANGUAGE_UI]: false,
                [ConfigKey.ENABLE_DEVICE_SETTING]: false,
                [ConfigKey.ENABLE_NETWORK_CHECK]: false,
                [ConfigKey.AUTO_PLAY_REMOTE_VIDEO]: true,
                [ConfigKey.DEFAULT_MUTE_REMOTE_AUDIO]: false,
                [ConfigKey.ENABLE_LOCAL_WAKEUP]: true,
                [ConfigKey.USE_WORKER_WAKEUP]: false
            },
            logLevel
        };

        const resourcePath = {
            wasmPath: './hwICSUiSdk/wasmData.js',
            dataPath: './hwICSUiSdk/modelData.js',
            initModel: true,
            useWorker: false
        };

        try {
            await HwICSUiSdk.initResourcePath(resourcePath);
            logger.info('唤醒资源初始化成功');
        } catch (error) {
            logger.warn('唤醒资源初始化失败，将继续尝试', error);
        }

        await HwICSUiSdk.create(createParam);

        state.isInitialized = true;
        fullscreenState.sdkInitialized = true;
        updateConnectionStatus(true);
        updateUIState();
        startKeepAlive();

        try {
            await HwICSUiSdk.startLocalWakeupRecord();
            logger.info('本地唤醒监听已启动');
        } catch (error) {
            logger.warn('启动本地唤醒监听失败', error);
        }

        elements.sdkVersion.textContent = `v${HwICSUiSdk.version}`;

        logger.info('SDK 初始化成功', { version: HwICSUiSdk.version });

        rebindDynamicButtons();
        setTimeout(calculateScale, 500);

    } catch (error) {
        logger.error('SDK 初始化失败', error);
        state.isInitialized = false;
        updateUIState();
    }
}

async function destroySDK() {
    try {
        logger.info('正在销毁 SDK...');

        try {
            await HwICSUiSdk.stopLocalWakeupRecord();
            logger.info('本地唤醒监听已停止');
        } catch (e) {
            logger.warn('停止本地唤醒监听失败', e);
        }

        await HwICSUiSdk.destroy();

        state.isInitialized = false;
        state.isChatting = false;
        state.isSpeaking = false;
        state.jobInfo = null;
        fullscreenState.sdkInitialized = false;
        stopKeepAlive();

        updateConnectionStatus(false);
        updateUIState();

        elements.digitalHumanBox.innerHTML = `
            <div class="fullscreen-exit-hint">按 ESC 退出全屏</div>
            <div class="placeholder">
                <span class="placeholder-icon">🤖</span>
                <p>点击右下角 ⚙️ 按钮初始化 SDK</p>
            </div>
        `;

        logger.info('SDK 已销毁');

    } catch (error) {
        logger.error('销毁 SDK 失败', error);
    }
}

async function handleGetOnceCode() {
    try {
        elements.getOnceCodeBtn.disabled = true;
        elements.getOnceCodeBtn.textContent = '🔄 获取中...';
        logger.info('正在获取授权码...');

        const onceCode = await fetchOnceCode();
        elements.onceCode.value = onceCode;
        logger.info('授权码获取成功');

    } catch (error) {
        logger.error('获取授权码失败', error.message);
    } finally {
        elements.getOnceCodeBtn.disabled = false;
        elements.getOnceCodeBtn.textContent = '🔑 获取';
    }
}

function clearLogs() {
    elements.logContainer.innerHTML = '';
    logger.info('日志已清空');
}

function applyCaptionStyle() {
    const captionContainer = document.querySelector('.caption-container-hub');
    if (!captionContainer) {
        logger.warn('字幕容器未找到');
        return;
    }

    const containerStyles = {
        backgroundColor: hexToRgba(elements.containerBgColor.value, elements.containerBgOpacity.value / 100),
        borderColor: elements.containerBorderColor.value,
        borderRadius: `${elements.containerBorderRadius.value}px`,
        padding: `${elements.containerPadding.value}px`
    };

    Object.assign(captionContainer.style, containerStyles);

    const tipEl = captionContainer.querySelector('.layout-hub-tip');
    if (tipEl) {
        tipEl.style.fontSize = `${elements.tipFontSize.value}px`;
        tipEl.style.fontWeight = elements.tipFontWeight.value;
        tipEl.style.color = elements.tipColor.value;
        tipEl.style.lineHeight = elements.tipLineHeight.value;
        tipEl.style.backgroundColor = hexToRgba(elements.tipBgColor.value, elements.tipBgOpacity.value / 100);
        tipEl.style.borderRadius = `${elements.tipBorderRadius.value}px`;
        tipEl.style.padding = `${elements.tipPadding.value}px`;
    }

    const messageItems = captionContainer.querySelectorAll('.message-item .item-content');
    messageItems.forEach(item => {
        item.style.fontSize = `${elements.messageFontSize.value}px`;
        item.style.fontWeight = elements.messageFontWeight.value;
        item.style.color = elements.messageColor.value;
        item.style.lineHeight = elements.messageLineHeight.value;
        item.style.backgroundColor = hexToRgba(elements.messageBgColor.value, elements.messageBgOpacity.value / 100);
        item.style.borderRadius = `${elements.messageBorderRadius.value}px`;
        item.style.padding = `${elements.messagePadding.value}px`;
    });

    const hotTitleEl = captionContainer.querySelector('.layout-hub-hot-title');
    if (hotTitleEl) {
        hotTitleEl.style.fontSize = `${elements.hotTitleFontSize.value}px`;
        hotTitleEl.style.fontWeight = elements.hotTitleFontWeight.value;
        hotTitleEl.style.color = elements.hotTitleColor.value;
        hotTitleEl.style.lineHeight = elements.hotTitleLineHeight.value;
        hotTitleEl.style.backgroundColor = hexToRgba(elements.hotTitleBgColor.value, elements.hotTitleBgOpacity.value / 100);
        hotTitleEl.style.borderRadius = `${elements.hotTitleBorderRadius.value}px`;
        hotTitleEl.style.padding = `${elements.hotTitlePadding.value}px`;
    }

    const hotIssuesEl = captionContainer.querySelector('.layout-hub-hot-issues');
    if (hotIssuesEl) {
        hotIssuesEl.style.fontSize = `${elements.hotIssuesFontSize.value}px`;
        hotIssuesEl.style.fontWeight = elements.hotIssuesFontWeight.value;
        hotIssuesEl.style.color = elements.hotIssuesColor.value;
        hotIssuesEl.style.lineHeight = elements.hotIssuesLineHeight.value;
        hotIssuesEl.style.backgroundColor = hexToRgba(elements.hotIssuesBgColor.value, elements.hotIssuesBgOpacity.value / 100);
        hotIssuesEl.style.borderRadius = `${elements.hotIssuesBorderRadius.value}px`;
        hotIssuesEl.style.padding = `${elements.hotIssuesPadding.value}px`;
    }

    logger.info('字幕样式已应用');
}

function updateSingleStyle(inputId) {
    const captionContainer = document.querySelector('.caption-container-hub');
    if (!captionContainer) return;

    const updateMap = {
        containerBgColor: () => {
            captionContainer.style.backgroundColor = hexToRgba(elements.containerBgColor.value, elements.containerBgOpacity.value / 100);
        },
        containerBgOpacity: () => {
            captionContainer.style.backgroundColor = hexToRgba(elements.containerBgColor.value, elements.containerBgOpacity.value / 100);
        },
        containerBorderColor: () => {
            captionContainer.style.borderColor = elements.containerBorderColor.value;
        },
        containerBorderRadius: () => {
            captionContainer.style.borderRadius = `${elements.containerBorderRadius.value}px`;
        },
        containerPadding: () => {
            captionContainer.style.padding = `${elements.containerPadding.value}px`;
        },
        tipFontSize: () => {
            const el = captionContainer.querySelector('.layout-hub-tip');
            if (el) el.style.fontSize = `${elements.tipFontSize.value}px`;
        },
        tipFontWeight: () => {
            const el = captionContainer.querySelector('.layout-hub-tip');
            if (el) el.style.fontWeight = elements.tipFontWeight.value;
        },
        tipColor: () => {
            const el = captionContainer.querySelector('.layout-hub-tip');
            if (el) el.style.color = elements.tipColor.value;
        },
        tipLineHeight: () => {
            const el = captionContainer.querySelector('.layout-hub-tip');
            if (el) el.style.lineHeight = elements.tipLineHeight.value;
        },
        tipBgColor: () => {
            const el = captionContainer.querySelector('.layout-hub-tip');
            if (el) el.style.backgroundColor = hexToRgba(elements.tipBgColor.value, elements.tipBgOpacity.value / 100);
        },
        tipBgOpacity: () => {
            const el = captionContainer.querySelector('.layout-hub-tip');
            if (el) el.style.backgroundColor = hexToRgba(elements.tipBgColor.value, elements.tipBgOpacity.value / 100);
        },
        tipBorderRadius: () => {
            const el = captionContainer.querySelector('.layout-hub-tip');
            if (el) el.style.borderRadius = `${elements.tipBorderRadius.value}px`;
        },
        tipPadding: () => {
            const el = captionContainer.querySelector('.layout-hub-tip');
            if (el) el.style.padding = `${elements.tipPadding.value}px`;
        },
        messageFontSize: () => {
            captionContainer.querySelectorAll('.message-item .item-content').forEach(el => el.style.fontSize = `${elements.messageFontSize.value}px`);
        },
        messageFontWeight: () => {
            captionContainer.querySelectorAll('.message-item .item-content').forEach(el => el.style.fontWeight = elements.messageFontWeight.value);
        },
        messageColor: () => {
            captionContainer.querySelectorAll('.message-item .item-content').forEach(el => el.style.color = elements.messageColor.value);
        },
        messageLineHeight: () => {
            captionContainer.querySelectorAll('.message-item .item-content').forEach(el => el.style.lineHeight = elements.messageLineHeight.value);
        },
        messageBgColor: () => {
            captionContainer.querySelectorAll('.message-item .item-content').forEach(el => el.style.backgroundColor = hexToRgba(elements.messageBgColor.value, elements.messageBgOpacity.value / 100));
        },
        messageBgOpacity: () => {
            captionContainer.querySelectorAll('.message-item .item-content').forEach(el => el.style.backgroundColor = hexToRgba(elements.messageBgColor.value, elements.messageBgOpacity.value / 100));
        },
        messageBorderRadius: () => {
            captionContainer.querySelectorAll('.message-item .item-content').forEach(el => el.style.borderRadius = `${elements.messageBorderRadius.value}px`);
        },
        messagePadding: () => {
            captionContainer.querySelectorAll('.message-item .item-content').forEach(el => el.style.padding = `${elements.messagePadding.value}px`);
        },
        hotTitleFontSize: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-title');
            if (el) el.style.fontSize = `${elements.hotTitleFontSize.value}px`;
        },
        hotTitleFontWeight: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-title');
            if (el) el.style.fontWeight = elements.hotTitleFontWeight.value;
        },
        hotTitleColor: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-title');
            if (el) el.style.color = elements.hotTitleColor.value;
        },
        hotTitleLineHeight: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-title');
            if (el) el.style.lineHeight = elements.hotTitleLineHeight.value;
        },
        hotTitleBgColor: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-title');
            if (el) el.style.backgroundColor = hexToRgba(elements.hotTitleBgColor.value, elements.hotTitleBgOpacity.value / 100);
        },
        hotTitleBgOpacity: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-title');
            if (el) el.style.backgroundColor = hexToRgba(elements.hotTitleBgColor.value, elements.hotTitleBgOpacity.value / 100);
        },
        hotTitleBorderRadius: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-title');
            if (el) el.style.borderRadius = `${elements.hotTitleBorderRadius.value}px`;
        },
        hotTitlePadding: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-title');
            if (el) el.style.padding = `${elements.hotTitlePadding.value}px`;
        },
        hotIssuesFontSize: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-issues');
            if (el) el.style.fontSize = `${elements.hotIssuesFontSize.value}px`;
        },
        hotIssuesFontWeight: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-issues');
            if (el) el.style.fontWeight = elements.hotIssuesFontWeight.value;
        },
        hotIssuesColor: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-issues');
            if (el) el.style.color = elements.hotIssuesColor.value;
        },
        hotIssuesLineHeight: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-issues');
            if (el) el.style.lineHeight = elements.hotIssuesLineHeight.value;
        },
        hotIssuesBgColor: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-issues');
            if (el) el.style.backgroundColor = hexToRgba(elements.hotIssuesBgColor.value, elements.hotIssuesBgOpacity.value / 100);
        },
        hotIssuesBgOpacity: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-issues');
            if (el) el.style.backgroundColor = hexToRgba(elements.hotIssuesBgColor.value, elements.hotIssuesBgOpacity.value / 100);
        },
        hotIssuesBorderRadius: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-issues');
            if (el) el.style.borderRadius = `${elements.hotIssuesBorderRadius.value}px`;
        },
        hotIssuesPadding: () => {
            const el = captionContainer.querySelector('.layout-hub-hot-issues');
            if (el) el.style.padding = `${elements.hotIssuesPadding.value}px`;
        }
    };

    if (updateMap[inputId]) {
        updateMap[inputId]();
    }
}

function hexToRgba(hex, alpha) {
    const r = parseInt(hex.slice(1, 3), 16);
    const g = parseInt(hex.slice(3, 5), 16);
    const b = parseInt(hex.slice(5, 7), 16);
    return `rgba(${r}, ${g}, ${b}, ${alpha})`;
}

const CAPTION_STYLE_KEY = 'captionStyleSettings';
const CAPTION_POSITION_KEY = 'captionPositionSize';

function saveCaptionPositionSize() {
    const captionContainer = document.querySelector('.caption-container-hub');
    if (!captionContainer) return;

    const positionData = {
        left: captionContainer.style.left || 'auto',
        top: captionContainer.style.top || 'auto',
        width: captionContainer.style.width || '',
        height: captionContainer.style.height || '',
        maxHeight: captionContainer.style.maxHeight || ''
    };
    localStorage.setItem(CAPTION_POSITION_KEY, JSON.stringify(positionData));
    logger.info('字幕容器位置尺寸已保存');
}

function loadCaptionPositionSize() {
    const savedData = localStorage.getItem(CAPTION_POSITION_KEY);
    if (!savedData) return null;
    try {
        return JSON.parse(savedData);
    } catch (e) {
        logger.error('加载字幕容器位置尺寸失败', e.message);
        return null;
    }
}

function applyCaptionPositionSize(positionData) {
    const captionContainer = document.querySelector('.caption-container-hub');
    if (!captionContainer || !positionData) return;

    if (positionData.left && positionData.left !== 'auto') {
        captionContainer.style.left = positionData.left;
        captionContainer.style.right = 'auto';
    }
    if (positionData.top && positionData.top !== 'auto') {
        captionContainer.style.top = positionData.top;
        captionContainer.style.bottom = 'auto';
    }
    if (positionData.width) {
        captionContainer.style.width = positionData.width;
    }
    if (positionData.height) {
        captionContainer.style.height = positionData.height;
    }
    if (positionData.maxHeight) {
        captionContainer.style.maxHeight = positionData.maxHeight;
    }
    logger.info('字幕容器位置尺寸已应用');
}

function saveCaptionStyleToStorage() {
    const styleData = {
        containerBgColor: elements.containerBgColor.value,
        containerBgOpacity: elements.containerBgOpacity.value,
        containerBorderColor: elements.containerBorderColor.value,
        containerBorderRadius: elements.containerBorderRadius.value,
        containerPadding: elements.containerPadding.value,
        tipFontSize: elements.tipFontSize.value,
        tipFontWeight: elements.tipFontWeight.value,
        tipColor: elements.tipColor.value,
        tipLineHeight: elements.tipLineHeight.value,
        tipBgColor: elements.tipBgColor.value,
        tipBgOpacity: elements.tipBgOpacity.value,
        tipBorderRadius: elements.tipBorderRadius.value,
        tipPadding: elements.tipPadding.value,
        messageFontSize: elements.messageFontSize.value,
        messageFontWeight: elements.messageFontWeight.value,
        messageColor: elements.messageColor.value,
        messageLineHeight: elements.messageLineHeight.value,
        messageBgColor: elements.messageBgColor.value,
        messageBgOpacity: elements.messageBgOpacity.value,
        messageBorderRadius: elements.messageBorderRadius.value,
        messagePadding: elements.messagePadding.value,
        hotTitleFontSize: elements.hotTitleFontSize.value,
        hotTitleFontWeight: elements.hotTitleFontWeight.value,
        hotTitleColor: elements.hotTitleColor.value,
        hotTitleLineHeight: elements.hotTitleLineHeight.value,
        hotTitleBgColor: elements.hotTitleBgColor.value,
        hotTitleBgOpacity: elements.hotTitleBgOpacity.value,
        hotTitleBorderRadius: elements.hotTitleBorderRadius.value,
        hotTitlePadding: elements.hotTitlePadding.value,
        hotIssuesFontSize: elements.hotIssuesFontSize.value,
        hotIssuesFontWeight: elements.hotIssuesFontWeight.value,
        hotIssuesColor: elements.hotIssuesColor.value,
        hotIssuesLineHeight: elements.hotIssuesLineHeight.value,
        hotIssuesBgColor: elements.hotIssuesBgColor.value,
        hotIssuesBgOpacity: elements.hotIssuesBgOpacity.value,
        hotIssuesBorderRadius: elements.hotIssuesBorderRadius.value,
        hotIssuesPadding: elements.hotIssuesPadding.value
    };
    localStorage.setItem(CAPTION_STYLE_KEY, JSON.stringify(styleData));
    logger.info('字幕样式已保存');
}

function loadCaptionStyleFromStorage() {
    const savedData = localStorage.getItem(CAPTION_STYLE_KEY);
    if (!savedData) return null;
    try {
        return JSON.parse(savedData);
    } catch (e) {
        logger.error('加载保存的字幕样式失败', e.message);
        return null;
    }
}

function hasSavedCaptionStyle() {
    return localStorage.getItem(CAPTION_STYLE_KEY) !== null;
}

function applySavedCaptionStyle(savedData) {
    if (savedData.containerBgColor) elements.containerBgColor.value = savedData.containerBgColor;
    if (savedData.containerBgOpacity) elements.containerBgOpacity.value = savedData.containerBgOpacity;
    if (savedData.containerBorderColor) elements.containerBorderColor.value = savedData.containerBorderColor;
    if (savedData.containerBorderRadius) elements.containerBorderRadius.value = savedData.containerBorderRadius;
    if (savedData.containerPadding) elements.containerPadding.value = savedData.containerPadding;
    if (savedData.tipFontSize) elements.tipFontSize.value = savedData.tipFontSize;
    if (savedData.tipFontWeight) elements.tipFontWeight.value = savedData.tipFontWeight;
    if (savedData.tipColor) elements.tipColor.value = savedData.tipColor;
    if (savedData.tipLineHeight) elements.tipLineHeight.value = savedData.tipLineHeight;
    if (savedData.tipBgColor) elements.tipBgColor.value = savedData.tipBgColor;
    if (savedData.tipBgOpacity) elements.tipBgOpacity.value = savedData.tipBgOpacity;
    if (savedData.tipBorderRadius) elements.tipBorderRadius.value = savedData.tipBorderRadius;
    if (savedData.tipPadding) elements.tipPadding.value = savedData.tipPadding;
    if (savedData.messageFontSize) elements.messageFontSize.value = savedData.messageFontSize;
    if (savedData.messageFontWeight) elements.messageFontWeight.value = savedData.messageFontWeight;
    if (savedData.messageColor) elements.messageColor.value = savedData.messageColor;
    if (savedData.messageLineHeight) elements.messageLineHeight.value = savedData.messageLineHeight;
    if (savedData.messageBgColor) elements.messageBgColor.value = savedData.messageBgColor;
    if (savedData.messageBgOpacity) elements.messageBgOpacity.value = savedData.messageBgOpacity;
    if (savedData.messageBorderRadius) elements.messageBorderRadius.value = savedData.messageBorderRadius;
    if (savedData.messagePadding) elements.messagePadding.value = savedData.messagePadding;
    if (savedData.hotTitleFontSize) elements.hotTitleFontSize.value = savedData.hotTitleFontSize;
    if (savedData.hotTitleFontWeight) elements.hotTitleFontWeight.value = savedData.hotTitleFontWeight;
    if (savedData.hotTitleColor) elements.hotTitleColor.value = savedData.hotTitleColor;
    if (savedData.hotTitleLineHeight) elements.hotTitleLineHeight.value = savedData.hotTitleLineHeight;
    if (savedData.hotTitleBgColor) elements.hotTitleBgColor.value = savedData.hotTitleBgColor;
    if (savedData.hotTitleBgOpacity) elements.hotTitleBgOpacity.value = savedData.hotTitleBgOpacity;
    if (savedData.hotTitleBorderRadius) elements.hotTitleBorderRadius.value = savedData.hotTitleBorderRadius;
    if (savedData.hotTitlePadding) elements.hotTitlePadding.value = savedData.hotTitlePadding;
    if (savedData.hotIssuesFontSize) elements.hotIssuesFontSize.value = savedData.hotIssuesFontSize;
    if (savedData.hotIssuesFontWeight) elements.hotIssuesFontWeight.value = savedData.hotIssuesFontWeight;
    if (savedData.hotIssuesColor) elements.hotIssuesColor.value = savedData.hotIssuesColor;
    if (savedData.hotIssuesLineHeight) elements.hotIssuesLineHeight.value = savedData.hotIssuesLineHeight;
    if (savedData.hotIssuesBgColor) elements.hotIssuesBgColor.value = savedData.hotIssuesBgColor;
    if (savedData.hotIssuesBgOpacity) elements.hotIssuesBgOpacity.value = savedData.hotIssuesBgOpacity;
    if (savedData.hotIssuesBorderRadius) elements.hotIssuesBorderRadius.value = savedData.hotIssuesBorderRadius;
    if (savedData.hotIssuesPadding) elements.hotIssuesPadding.value = savedData.hotIssuesPadding;

    document.querySelectorAll('#captionPanel input[type="range"]').forEach(slider => {
        const valueSpan = slider.nextElementSibling;
        if (valueSpan && valueSpan.classList.contains('range-value')) {
            valueSpan.textContent = `${slider.value}%`;
        }
    });
}

function showCaptionStylePrompt(callback) {
    const savedData = loadCaptionStyleFromStorage();
    if (!savedData) {
        callback(false);
        return;
    }

    const confirmed = confirm('检测到已保存的字幕样式设置。\n\n点击"确定"应用保存的样式，\n点击"取消"使用全新默认设置。');
    callback(confirmed);
}

function loadCaptionStyleFromContainer() {
    const captionContainer = document.querySelector('.caption-container-hub');
    if (!captionContainer) return;

    const containerStyles = window.getComputedStyle(captionContainer);
    const containerBg = containerStyles.backgroundColor;
    const containerBorder = containerStyles.borderColor;
    const containerRadius = containerStyles.borderRadius;
    const containerPad = containerStyles.padding;

    if (containerBg) {
        const rgbaMatch = containerBg.match(/rgba?\((\d+),\s*(\d+),\s*(\d+),?\s*([\d.]*)\)/);
        if (rgbaMatch) {
            elements.containerBgColor.value = rgbToHex(parseInt(rgbaMatch[1]), parseInt(rgbaMatch[2]), parseInt(rgbaMatch[3]));
            if (rgbaMatch[4]) {
                elements.containerBgOpacity.value = Math.round(parseFloat(rgbaMatch[4]) * 100);
            }
        } else if (containerBg === 'transparent' || containerBg === 'rgba(0, 0, 0, 0)') {
            elements.containerBgColor.value = '#000000';
            elements.containerBgOpacity.value = 0;
        }
    }

    if (containerBorder) {
        const rgbaMatch = containerBorder.match(/rgba?\((\d+),\s*(\d+),\s*(\d+),?\s*([\d.]*)\)/);
        if (rgbaMatch) {
            elements.containerBorderColor.value = rgbToHex(parseInt(rgbaMatch[1]), parseInt(rgbaMatch[2]), parseInt(rgbaMatch[3]));
        }
    }

    if (containerRadius) {
        elements.containerBorderRadius.value = parseInt(containerRadius) || 8;
    }
    if (containerPad) {
        elements.containerPadding.value = parseInt(containerPad) || 10;
    }

    updateRangeValue(elements.containerBgOpacity);

    const sections = [
        { selector: '.layout-hub-tip', elements: { fontSize: elements.tipFontSize, fontWeight: elements.tipFontWeight, color: elements.tipColor, lineHeight: elements.tipLineHeight, bgColor: elements.tipBgColor, bgOpacity: elements.tipBgOpacity, borderRadius: elements.tipBorderRadius, padding: elements.tipPadding } },
        { selector: '.message-item .item-content', elements: { fontSize: elements.messageFontSize, fontWeight: elements.messageFontWeight, color: elements.messageColor, lineHeight: elements.messageLineHeight, bgColor: elements.messageBgColor, bgOpacity: elements.messageBgOpacity, borderRadius: elements.messageBorderRadius, padding: elements.messagePadding } },
        { selector: '.layout-hub-hot-title', elements: { fontSize: elements.hotTitleFontSize, fontWeight: elements.hotTitleFontWeight, color: elements.hotTitleColor, lineHeight: elements.hotTitleLineHeight, bgColor: elements.hotTitleBgColor, bgOpacity: elements.hotTitleBgOpacity, borderRadius: elements.hotTitleBorderRadius, padding: elements.hotTitlePadding } },
        { selector: '.layout-hub-hot-issues', elements: { fontSize: elements.hotIssuesFontSize, fontWeight: elements.hotIssuesFontWeight, color: elements.hotIssuesColor, lineHeight: elements.hotIssuesLineHeight, bgColor: elements.hotIssuesBgColor, bgOpacity: elements.hotIssuesBgOpacity, borderRadius: elements.hotIssuesBorderRadius, padding: elements.hotIssuesPadding } }
    ];

    sections.forEach(section => {
        const el = captionContainer.querySelector(section.selector);
        if (!el) {
            logger.warn(`loadCaptionStyleFromContainer: 元素 ${section.selector} 未找到`);
            return;
        }

        const styles = window.getComputedStyle(el);

        if (styles.fontSize) {
            section.elements.fontSize.value = parseInt(styles.fontSize) || 14;
        }
        if (styles.fontWeight) {
            section.elements.fontWeight.value = styles.fontWeight === 'bold' || styles.fontWeight === '700' ? 'bold' : 'normal';
        }
        if (styles.color) {
            const parsedColor = parseColor(styles.color);
            if (parsedColor) {
                section.elements.color.value = parsedColor;
            }
        }

        if (styles.backgroundColor) {
            const rgbaMatch = styles.backgroundColor.match(/rgba?\((\d+),\s*(\d+),\s*(\d+),?\s*([\d.]*)\)/);
            if (rgbaMatch) {
                section.elements.bgColor.value = rgbToHex(parseInt(rgbaMatch[1]), parseInt(rgbaMatch[2]), parseInt(rgbaMatch[3]));
                if (rgbaMatch[4]) {
                    section.elements.bgOpacity.value = Math.round(parseFloat(rgbaMatch[4]) * 100);
                } else {
                    section.elements.bgOpacity.value = 0;
                }
            } else if (styles.backgroundColor === 'transparent' || styles.backgroundColor === 'rgba(0, 0, 0, 0)') {
                section.elements.bgColor.value = '#000000';
                section.elements.bgOpacity.value = 0;
            }
        }

        if (styles.borderRadius) {
            section.elements.borderRadius.value = parseInt(styles.borderRadius) || 4;
        }
        if (styles.padding) {
            section.elements.padding.value = parseInt(styles.padding) || 6;
        }

        if (section.elements.bgOpacity) {
            updateRangeValue(section.elements.bgOpacity);
        }
    });

    logger.info('已从字幕容器加载样式');
}

function parseColor(colorStr) {
    if (!colorStr) return null;
    if (colorStr.startsWith('#')) return colorStr;

    const rgbMatch = colorStr.match(/rgb\((\d+),\s*(\d+),\s*(\d+)\)/);
    if (rgbMatch) {
        return rgbToHex(parseInt(rgbMatch[1]), parseInt(rgbMatch[2]), parseInt(rgbMatch[3]));
    }

    const rgbaMatch = colorStr.match(/rgba?\((\d+),\s*(\d+),\s*(\d+),?\s*([\d.]*)\)/);
    if (rgbaMatch) {
        return rgbToHex(parseInt(rgbaMatch[1]), parseInt(rgbaMatch[2]), parseInt(rgbaMatch[3]));
    }

    return null;
}

function rgbToHex(r, g, b) {
    return '#' + [r, g, b].map(x => x.toString(16).padStart(2, '0')).join('');
}

function updateRangeValue(rangeInput) {
    const valueSpan = rangeInput.nextElementSibling;
    if (valueSpan && valueSpan.classList.contains('range-value')) {
        valueSpan.textContent = `${rangeInput.value}%`;
    }
}

function initCaptionDragAndResize(container) {
    container.dataset.dragInitialized = 'true';

    let isDragging = false;
    let isResizing = false;
    let startX, startY, startLeft, startTop, startWidth, startHeight;

    let resizeHandle = container.querySelector('.caption-resize-handle');
    if (!resizeHandle) {
        resizeHandle = document.createElement('div');
        resizeHandle.className = 'caption-resize-handle';
        resizeHandle.style.position = 'absolute';
        resizeHandle.style.right = '0';
        resizeHandle.style.bottom = '0';
        resizeHandle.style.width = '24px';
        resizeHandle.style.height = '24px';
        resizeHandle.style.cursor = 'nwse-resize';
        resizeHandle.style.background = 'linear-gradient(135deg, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.95) 50%, rgba(255,255,255,0.8) 100%)';
        resizeHandle.style.borderRadius = '0 0 8px 0';
        resizeHandle.style.zIndex = '10000';
        resizeHandle.style.borderRight = '3px solid rgba(0, 123, 255, 0.7)';
        resizeHandle.style.borderBottom = '3px solid rgba(0, 123, 255, 0.7)';
        resizeHandle.style.boxShadow = 'inset -2px -2px 4px rgba(0,0,0,0.1), 0 0 8px rgba(0, 123, 255, 0.2)';
        resizeHandle.style.opacity = '0';
        resizeHandle.style.transition = 'opacity 0.2s ease';
        resizeHandle.title = '拖拽调整大小';

        container.appendChild(resizeHandle);
    }

    container.addEventListener('mouseenter', () => {
        resizeHandle.style.opacity = '1';
    });

    container.addEventListener('mouseleave', () => {
        if (!isResizing) {
            resizeHandle.style.opacity = '0';
        }
    });

    const onContainerMouseDown = (e) => {
        if (e.target === resizeHandle || resizeHandle.contains(e.target)) return;
        isDragging = true;
        startX = e.clientX;
        startY = e.clientY;
        const rect = container.getBoundingClientRect();
        startLeft = rect.left;
        startTop = rect.top;
        e.preventDefault();
        e.stopPropagation();

        container.style.borderColor = 'rgba(0, 123, 255, 0.6)';
        container.style.boxShadow = '0 4px 12px rgba(0, 123, 255, 0.3)';
    };

    const onResizeHandleMouseDown = (e) => {
        isResizing = true;
        startX = e.clientX;
        startY = e.clientY;
        startWidth = container.offsetWidth;
        startHeight = container.offsetHeight;
        e.preventDefault();
        e.stopPropagation();

        container.style.borderColor = 'rgba(0, 123, 255, 0.8)';
        container.style.boxShadow = '0 4px 12px rgba(0, 123, 255, 0.4)';
    };

    const onMouseMove = (e) => {
        if (!isDragging && !isResizing) return;
        e.preventDefault();

        if (isDragging) {
            const dx = e.clientX - startX;
            const dy = e.clientY - startY;
            container.style.left = `${startLeft + dx}px`;
            container.style.top = `${startTop + dy}px`;
        }
        if (isResizing) {
            const dx = e.clientX - startX;
            const dy = e.clientY - startY;
            const newWidth = Math.max(200, startWidth + dx);
            const newHeight = Math.max(100, startHeight + dy);
            container.style.width = `${newWidth}px`;
            container.style.height = `${newHeight}px`;
            container.style.maxHeight = `${newHeight}px`;
        }
    };

    const onMouseUp = () => {
        if (isDragging || isResizing) {
            container.style.borderColor = 'transparent';
            container.style.boxShadow = 'none';
            resizeHandle.style.opacity = '0';
            saveCaptionPositionSize();
        }
        isDragging = false;
        isResizing = false;
    };

    container.addEventListener('mousedown', onContainerMouseDown);
    resizeHandle.addEventListener('mousedown', onResizeHandleMouseDown);
    document.addEventListener('mousemove', onMouseMove);
    document.addEventListener('mouseup', onMouseUp);

    logger.info('字幕容器拖拽和缩放已启用');
}

let captionStyleObserver = null;
let captionStyleApplied = false;
let captionStylePromptShown = false;

function watchCaptionContainer() {
    const observer = new MutationObserver((mutations) => {
        for (const mutation of mutations) {
            if (mutation.type === 'childList') {
                const captionContainer = document.querySelector('.caption-container-hub');
                if (captionContainer && !captionContainer.dataset.dragInitialized) {
                    logger.info('检测到字幕容器，自动启用拖拽功能');
                    captionContainer.style.position = 'fixed';
                    captionContainer.style.cursor = 'move';
                    captionContainer.style.userSelect = 'none';
                    captionContainer.style.zIndex = '9999';
                    initCaptionDragAndResize(captionContainer);
                    loadCaptionStyleFromContainer();
                    applyCaptionPositionSize(loadCaptionPositionSize());
                    if (captionStyleApplied) {
                        setTimeout(applyCaptionStyle, 100);
                    }
                } else if (captionContainer && captionStyleApplied) {
                    setTimeout(applyCaptionStyle, 100);
                }
            }
        }
    });

    observer.observe(document.body, {
        childList: true,
        subtree: true
    });

    if (document.querySelector('.caption-container-hub')) {
        setTimeout(loadCaptionStyleFromContainer, 100);
    }

    logger.info('已启动字幕容器监听');
}

function watchCaptionContentChanges() {
    const captionContainer = document.querySelector('.caption-container-hub');
    if (!captionContainer) return;

    if (captionStyleObserver) {
        captionStyleObserver.disconnect();
    }

    captionStyleObserver = new MutationObserver(() => {
        if (captionStyleApplied) {
            setTimeout(applyCaptionStyle, 50);
        }
    });

    captionStyleObserver.observe(captionContainer, {
        childList: true,
        subtree: true,
        attributes: true,
        attributeFilter: ['style', 'class']
    });

    logger.info('已启动字幕内容变化监听');
}

function calculateScale() {
    const container = elements.digitalHumanBox;
    const sdkContainer = container.querySelector('.digital-intelligent-interaction');
    
    if (!sdkContainer) return;
    
    sdkContainer.style.transform = 'none';
}

function toggleFullscreen() {
    if (!fullscreenState.sdkInitialized) {
        logger.warn('请先初始化 SDK');
        return;
    }
    
    fullscreenState.isFullscreen = !fullscreenState.isFullscreen;
    
    if (fullscreenState.isFullscreen) {
        elements.digitalHumanBox.classList.add('fullscreen');
        elements.fullscreenBtn.innerHTML = '⛶';
        elements.fullscreenBtn.title = '退出全屏';
        logger.info('进入全屏模式');
    } else {
        elements.digitalHumanBox.classList.remove('fullscreen');
        elements.fullscreenBtn.innerHTML = '⛶';
        elements.fullscreenBtn.title = '全屏显示';
        logger.info('退出全屏模式');
    }
    
    setTimeout(calculateScale, 100);
}

function handleFullscreenKeydown(e) {
    if (e.key === 'Escape' && fullscreenState.isFullscreen) {
        toggleFullscreen();
    }
}

function initScaling() {
    const resizeObserver = new ResizeObserver(() => {
        if (fullscreenState.sdkInitialized) {
            calculateScale();
        }
    });
    
    resizeObserver.observe(elements.digitalHumanBox);
    
    window.addEventListener('keydown', handleFullscreenKeydown);
}

function bindEvents() {
    elements.initBtn.addEventListener('click', initializeSDK);
    elements.destroyBtn.addEventListener('click', destroySDK);
    elements.getOnceCodeBtn.addEventListener('click', handleGetOnceCode);
    elements.applyCaptionStyleBtn.addEventListener('click', () => {
        applyCaptionStyle();
        saveCaptionStyleToStorage();
        saveCaptionPositionSize();
        captionStyleApplied = true;
        watchCaptionContentChanges();
    });

    document.querySelectorAll('input[type="range"]').forEach(slider => {
        slider.addEventListener('input', (e) => {
            const valueSpan = e.target.nextElementSibling;
            if (valueSpan && valueSpan.classList.contains('range-value')) {
                valueSpan.textContent = `${e.target.value}%`;
            }
            updateSingleStyle(e.target.id);
            saveCaptionStyleToStorage();
            captionStyleApplied = true;
            watchCaptionContentChanges();
        });
    });

    document.querySelectorAll('#captionPanel input[type="number"], #captionPanel input[type="color"], #captionPanel select').forEach(input => {
        input.addEventListener('input', (e) => {
            updateSingleStyle(e.target.id);
            saveCaptionStyleToStorage();
            captionStyleApplied = true;
            watchCaptionContentChanges();
        });
        input.addEventListener('change', (e) => {
            updateSingleStyle(e.target.id);
            saveCaptionStyleToStorage();
            captionStyleApplied = true;
            watchCaptionContentChanges();
        });
    });

    elements.clearLogBtn.addEventListener('click', clearLogs);
    elements.logLevel.addEventListener('change', () => {
        if (state.isInitialized) {
            HwICSUiSdk.setLogLevel(elements.logLevel.value);
            logger.info(`日志级别已切换为: ${elements.logLevel.value}`);
        }
    });

    elements.toggleConfigBtn.addEventListener('click', () => togglePanel('configPanel'));
    elements.toggleCaptionBtn.addEventListener('click', () => {
        togglePanel('captionPanel');
        if (!captionStylePromptShown && hasSavedCaptionStyle()) {
            captionStylePromptShown = true;
            showCaptionStylePrompt((applySaved) => {
                if (applySaved) {
                    const savedData = loadCaptionStyleFromStorage();
                    if (savedData) {
                        applySavedCaptionStyle(savedData);
                        applyCaptionStyle();
                        applyCaptionPositionSize(loadCaptionPositionSize());
                        captionStyleApplied = true;
                        watchCaptionContentChanges();
                        logger.info('已应用保存的字幕样式');
                    }
                } else {
                    loadCaptionStyleFromContainer();
                    localStorage.removeItem(CAPTION_STYLE_KEY);
                    localStorage.removeItem(CAPTION_POSITION_KEY);
                    captionStyleApplied = false;
                    logger.info('已清除保存的字幕样式，使用全新默认设置');
                }
            });
        } else {
            loadCaptionStyleFromContainer();
        }
    });
    elements.toggleLogBtn.addEventListener('click', () => togglePanel('logPanel'));
    elements.toggleLanguageBtn.addEventListener('click', () => {
        togglePanel('languagePanel');
        loadLanguageOptions();
    });
    elements.languageSelect.addEventListener('change', (e) => {
        changeLanguage(e.target.value);
    });
    elements.fullscreenBtn.addEventListener('click', toggleFullscreen);

    document.querySelectorAll('.panel-close').forEach(btn => {
        btn.addEventListener('click', () => {
            const panelId = btn.dataset.panel;
            if (panelId) togglePanel(panelId);
        });
    });

    window.addEventListener('beforeunload', () => {
        if (state.isInitialized) {
            stopKeepAlive();
            HwICSUiSdk.destroy();
        }
    });
}

function rebindDynamicButtons() {
    const fullscreenBtn = document.getElementById('fullscreenBtn');
    if (fullscreenBtn) {
        fullscreenBtn.removeEventListener('click', toggleFullscreen);
        fullscreenBtn.addEventListener('click', toggleFullscreen);
    }
}

function init() {
    logger.info('应用初始化完成');
    logger.info('HwICSUiSdk 版本', { version: HwICSUiSdk.version, buildTime: HwICSUiSdk.buildTime });

    bindEvents();
    updateUIState();
    initScaling();
    initPanelDrag();
    watchCaptionContainer();
}

init();