// 聊天室共享运行时状态，桥接 Blade 闭包作用域与 Vite 模块。
// 所有需要跨模块共享的可变状态集中在此管理，通过 window.chatState 访问。

export const BLOCKABLE_SYSTEM_SENDERS = ["钓鱼播报", "星海小博士", "百家乐", "跑马", "神秘箱子"];
export const BLOCKED_SYSTEM_SENDERS_STORAGE_KEY = "chat_blocked_system_senders";
export const CHAT_SOUND_MUTED_STORAGE_KEY = "chat_sound_muted";
export const PUBLIC_MESSAGE_NODE_LIMIT = 600;
export const PRIVATE_MESSAGE_NODE_LIMIT = 300;
export const CHAT_MESSAGE_FLUSH_BATCH_SIZE = 8;
export const ROOMS_ONLINE_STATUS_CACHE_TTL = 10000;
export const HEARTBEAT_INTERVAL = 60 * 1000;
export const SYSTEM_USERS = ["钓鱼播报", "星海小博士", "系统传音", "系统公告", "送花播报", "系统", "欢迎", "系统播报", "神秘箱子"];

// 消息动作文字映射表：情绪型（着/地，放"对"之前）和动作型（了，替换"对X说"）
export const ACTION_TEXT_MAP = {
    "微笑": { type: "emotion", word: "微笑着" },
    "大笑": { type: "emotion", word: "大笑着" },
    "愤怒": { type: "emotion", word: "愤怒地" },
    "哭泣": { type: "emotion", word: "哭泣着" },
    "害羞": { type: "emotion", word: "害羞地" },
    "鄙视": { type: "emotion", word: "鄙视地" },
    "得意": { type: "emotion", word: "得意地" },
    "疑惑": { type: "emotion", word: "疑惑地" },
    "同情": { type: "emotion", word: "同情地" },
    "无奈": { type: "emotion", word: "无奈地" },
    "拳打": { type: "verb", word: "拳打了" },
    "飞吻": { type: "verb", word: "飞吻了" },
    "偷看": { type: "verb", word: "偷看了" },
};

// ── DOM 引用（惰性获取，避免模块加载时 DOM 未就绪）──
function getContainer() { return document.getElementById("chat-messages-container"); }
function getContainer2() { return document.getElementById("chat-messages-container2"); }
function getUserList() { return document.getElementById("online-users-list"); }
function getToUserSelect() { return document.getElementById("to_user"); }
function getOnlineCount() { return document.getElementById("online-count"); }
function getOnlineCountBottom() { return document.getElementById("online-count-bottom"); }

// ── 可变状态 ──
let onlineUsers = {};
let autoScroll = true;
let maxMsgId = 0;
let pendingChatMessages = [];
let chatMessageFlushTimer = null;
let userListRenderTimer = null;
let userFilterRenderTimer = null;
let userBadgeRotationTick = 0;
let lastAutosaveNode = null;
let roomsRefreshTimer = null;
let roomsOnlineStatusCache = null;
let roomsOnlineStatusCacheAt = 0;
let isMutedUntil = 0;
let imeComposing = false;
let isSending = false;
let sendStartedAt = 0;
let leaveRequestInFlight = false;
let heartbeatFailCount = 0;
const MAX_HEARTBEAT_FAILS = 3;

// 偏好状态
let blockedSystemSenders = new Set();
let initialChatPreferences = null;

// ── 访问器 ──
function getOnlineUsers() { return onlineUsers; }
function setOnlineUsers(v) {
    onlineUsers = v;
    window.onlineUsers = onlineUsers;
}

function getAutoScroll() { return autoScroll; }
function setAutoScroll(v) { autoScroll = Boolean(v); }

function getMaxMsgId() { return maxMsgId; }
function setMaxMsgId(v) { if (v > maxMsgId) maxMsgId = v; }

function getBlockedSystemSenders() { return blockedSystemSenders; }
function setBlockedSystemSenders(v) { blockedSystemSenders = v; }

function getIsMutedUntil() { return isMutedUntil; }
function setIsMutedUntil(v) { isMutedUntil = v; }

// ── 构建聊天状态对象 ──
const chatState = {
    // 常量
    BLOCKABLE_SYSTEM_SENDERS,
    BLOCKED_SYSTEM_SENDERS_STORAGE_KEY,
    CHAT_SOUND_MUTED_STORAGE_KEY,
    PUBLIC_MESSAGE_NODE_LIMIT,
    PRIVATE_MESSAGE_NODE_LIMIT,
    CHAT_MESSAGE_FLUSH_BATCH_SIZE,
    ROOMS_ONLINE_STATUS_CACHE_TTL,
    HEARTBEAT_INTERVAL,
    SYSTEM_USERS,
    ACTION_TEXT_MAP,
    MAX_HEARTBEAT_FAILS,

    // DOM 引用
    get container() { return getContainer(); },
    get container2() { return getContainer2(); },
    get userList() { return getUserList(); },
    get toUserSelect() { return getToUserSelect(); },
    get onlineCount() { return getOnlineCount(); },
    get onlineCountBottom() { return getOnlineCountBottom(); },

    // 在线用户
    get onlineUsers() { return onlineUsers; },
    set onlineUsers(v) {
        onlineUsers = v;
        window.onlineUsers = onlineUsers;
    },

    // 自动滚屏
    get autoScroll() { return autoScroll; },
    set autoScroll(v) { autoScroll = Boolean(v); },

    // 最大消息 ID
    get maxMsgId() { return maxMsgId; },
    set maxMsgId(v) { maxMsgId = v; },
    trackMaxMsgId(v) { if (v > maxMsgId) maxMsgId = v; },

    // 消息队列
    get pendingChatMessages() { return pendingChatMessages; },
    set pendingChatMessages(v) { pendingChatMessages = v; },
    get chatMessageFlushTimer() { return chatMessageFlushTimer; },
    set chatMessageFlushTimer(v) { chatMessageFlushTimer = v; },

    // 用户列表渲染
    get userListRenderTimer() { return userListRenderTimer; },
    set userListRenderTimer(v) { userListRenderTimer = v; },
    get userFilterRenderTimer() { return userFilterRenderTimer; },
    set userFilterRenderTimer(v) { userFilterRenderTimer = v; },
    get userBadgeRotationTick() { return userBadgeRotationTick; },
    set userBadgeRotationTick(v) { userBadgeRotationTick = v; },

    // 存点节点
    get lastAutosaveNode() { return lastAutosaveNode; },
    set lastAutosaveNode(v) { lastAutosaveNode = v; },

    // 房间在线状态缓存
    get roomsRefreshTimer() { return roomsRefreshTimer; },
    set roomsRefreshTimer(v) { roomsRefreshTimer = v; },
    get roomsOnlineStatusCache() { return roomsOnlineStatusCache; },
    set roomsOnlineStatusCache(v) { roomsOnlineStatusCache = v; },
    get roomsOnlineStatusCacheAt() { return roomsOnlineStatusCacheAt; },
    set roomsOnlineStatusCacheAt(v) { roomsOnlineStatusCacheAt = v; },

    // 禁言
    get isMutedUntil() { return isMutedUntil; },
    set isMutedUntil(v) { isMutedUntil = v; },

    // 发送锁
    get imeComposing() { return imeComposing; },
    set imeComposing(v) { imeComposing = v; },
    get isSending() { return isSending; },
    set isSending(v) { isSending = v; },
    get sendStartedAt() { return sendStartedAt; },
    set sendStartedAt(v) { sendStartedAt = v; },

    // 退出房间
    get leaveRequestInFlight() { return leaveRequestInFlight; },
    set leaveRequestInFlight(v) { leaveRequestInFlight = v; },

    // 心跳计数
    get heartbeatFailCount() { return heartbeatFailCount; },
    set heartbeatFailCount(v) { heartbeatFailCount = v; },

    // 偏好
    get blockedSystemSenders() { return blockedSystemSenders; },
    set blockedSystemSenders(v) { blockedSystemSenders = v; },
    get initialChatPreferences() { return initialChatPreferences; },
    set initialChatPreferences(v) { initialChatPreferences = v; },

    // 重置所有状态（用于测试或强制同步）
    reset() {
        onlineUsers = {};
        window.onlineUsers = onlineUsers;
        autoScroll = true;
        maxMsgId = 0;
        pendingChatMessages = [];
        chatMessageFlushTimer = null;
        userListRenderTimer = null;
        userFilterRenderTimer = null;
        userBadgeRotationTick = 0;
        lastAutosaveNode = null;
        roomsRefreshTimer = null;
        roomsOnlineStatusCache = null;
        roomsOnlineStatusCacheAt = 0;
        isMutedUntil = 0;
        imeComposing = false;
        isSending = false;
        sendStartedAt = 0;
        leaveRequestInFlight = false;
        heartbeatFailCount = 0;
        blockedSystemSenders = new Set();
    },
};

// 挂载到 window 供 Blade 脚本及其他模块使用
window.chatState = chatState;

// 向后兼容 Blade 中已暴露的 window 接口
export function hydrateOnlineUserPayload(username, payload) {
    const nextPayload = { ...(onlineUsers[username] || {}) };
    // 清除旧状态字段
    delete nextPayload.daily_status_key;
    delete nextPayload.daily_status_label;
    delete nextPayload.daily_status_icon;
    delete nextPayload.daily_status_group;
    delete nextPayload.daily_status_expires_at;
    onlineUsers[username] = { ...nextPayload, ...payload };
    window.onlineUsers = onlineUsers;
}
window.hydrateOnlineUserPayload = hydrateOnlineUserPayload;

export function renderUserList() {
    // 占位：实际渲染逻辑由 user-list.js 挂载到 window.chatState.renderUserList
    if (typeof window.renderUserList === "function") {
        window.renderUserList();
    }
}

export { onlineUsers, autoScroll, maxMsgId };