import { wecomAuth } from "@/api/indexAI";
import router from '@/router';
import md5 from 'js-md5';
// 企业微信登录相关类型定义（无变化，无需可选链）
export interface GuidInfo {
    guid: string;
    time: number; // 时间戳（毫秒）
}

export interface LastCode {
    code: string;
}




// 登录中状态锁（避免并发登录请求）
let isLogging = false;

/**
 * 校验是否已登录（AIToken 存在 + guidInfo 未过期）
 * @returns {boolean} 是否已登录
 */
export const checkLoginStatus = (): boolean => {
    const AIToken = window.localStorage.getItem('AIToken');
    const guidInfoStr = window.localStorage.getItem('guidInfo');
    if (!AIToken) return false;
    if (!guidInfoStr) return false;
    return true;
    // try {
    //     const guidInfo: GuidInfo = JSON.parse(guidInfoStr);
    //     const currentTime = new Date().getTime();
    //     const expireTime = 1000 * 60 * 60 * 12; // 12 小时过期
    //     return guidInfo && guidInfo.guid && (currentTime - guidInfo.time) < expireTime;
    // } catch (error) {
    //     return false;
    // }
};

/**
 * 初始化 guidInfo
 */
export const initGuidInfo = (): void => {
    let guidInfo = JSON.parse(window.localStorage.getItem("guidInfo"));
    const currentTime = new Date().getTime();
    const guid = getGuid();
    const guidTime = new Date().getTime();
    const newGuidInfo: GuidInfo = { guid, time: guidTime };
    // 有缓存但过期-存储
    if (guidInfo && (currentTime - guidInfo.time) >= (1000 * 60 * 60 * 12)) {
        window.localStorage.setItem("guidInfo", JSON.stringify(newGuidInfo));
        window.localStorage.removeItem('lastCode');
    } else if (!guidInfo) {
        // 无缓存-存储
        window.localStorage.setItem('guidInfo', JSON.stringify(newGuidInfo));
    }
};
/**
 * 企业微信登录核心流程（获取 code → 兑换 AIToken）
 * @param code 企业微信授权返回的 code
 * @returns {Promise<void>}
 */
export const doWecomLogin = async (code: string, wxId?: string): Promise<void> => {
    if (isLogging) return; // 正在登录中，忽略重复调用
    isLogging = true;
    try {
        const lastCodeStr = window.localStorage.getItem('lastCode');
        const lastCode: LastCode | null = lastCodeStr ? JSON.parse(lastCodeStr) : null;
        // 同一 code 不重复请求
        if (lastCode && lastCode.code === code) {
            isLogging = false;
            return;
        }

        // 存储当前 code，避免重复使用
        window.localStorage.setItem('lastCode', JSON.stringify({ code }));
        const formData = new FormData();
        formData.append('code', code);
        if (wxId) {
            formData.append("wxId", wxId);
        } else {
            formData.append("wxId", process.env.VUE_APP_APPID);
        }
        // 调用接口兑换 AIToken
        const res = await wecomAuth(formData);
        if (res && res.StatusCode === 200 && res.Data && res.Data.token) {
            const userInfoV1 = JSON.stringify(res.Data);
            window.localStorage.setItem('userInfoV1', userInfoV1);
            window.localStorage.setItem('AIToken', res.Data.token);
            window.localStorage.setItem('isRefreshProvider', res.Data.isRefreshProvider);
            window.localStorage.setItem('weChat', res.Data.weChat);
            // 处理身份，身份可能为多个，只能按身份权限大小来固定为某个身份；
            // if (res.Data.userType) {
            //     // 使用位运算
            //     const ROLE_CONFIG = [
            //         { bit: 1 << 0, code: 'ssb', desc: '经销商' },             // 1 
            //         { bit: 1 << 1, code: 'hbs', desc: '立邦用户' },           // 2
            //         { bit: 1 << 2, code: 'stoneLikePaint', desc: '服务商' },  // 4 
            //         { bit: 1 << 3, code: 'goldShop', desc: '金牌店' },        // 8 
            //         { bit: 1 << 4, code: 'dg', desc: '导购' },                // 16
            //         { bit: 1 << 5, code: 'xlskf', desc: '新零售客服' }         // 32
            //     ];
            //     const userType = Number(res.Data.userType);
            //     console.log("userType=", userType);
            //     const matchRole = ROLE_CONFIG.find(item => (userType & item.bit) === item.bit);
            //     console.log("matchRole=", matchRole)
            //     const agent = matchRole && matchRole.code || 'xlskf';
            //     window.localStorage.setItem('agentFrom', agent);
            //     window.localStorage.setItem('agentFromAI', agent);
            // }else{
                window.localStorage.setItem('agentFrom', 'xlskf');
                window.localStorage.setItem('agentFromAI', 'xlskf');
            // }
            isLogging = false;
        } else {
            isLogging = false;
        }
    } catch (error) {
        isLogging = false;
        console.error('企业微信登录失败：', error);
        // 登录失败可提示用户或重试
        // alert('登录失败，请刷新页面重试');
    }
};

export const getGuid = () => {
    return 'xxxxxxxxxxxx4xxxyxxxxxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
        let r = Math.random() * 16 | 0,
            v = c == 'x' ? r : (r & 0x3 | 0x8);
        return v.toString(16);
    });
}
export const getQyCode = () => {
    window.localStorage.clear();
    let url, appid, agentid;
    // url = encodeURIComponent(process.env.VUE_APP_AUTHURL);
    url = encodeURIComponent(window.location.href);
    // console.log("-url=",url)
    appid = process.env.VUE_APP_APPID;
    agentid = process.env.VUE_APP_AGENTID;
    window.location.href = `https://open.weixin.qq.com/connect/oauth2/authorize?appid=${appid}&redirect_uri=${url}&response_type=code&scope=snsapi_base&state=&agentid=${agentid}&t=${new Date().getTime()}#wechat_redirect`;
}

/**
 * 生成指定规则的MD5签名
 * @param nonce 随机串 (如：8a2d9f7c3b5e10s6g9h2j4k8l0z7x5c3v)
 * @param timestamp 时间戳 (如：1736000000000)
 * @param wxId wx标识 (如：zhangsan123)
 * @returns 32位大写MD5加密字符串
 */
export const getMD5 = (nonce: string, timestamp: string, wxId: string): string => {
    // 严格按规则拼接参数字符串：nonce=xxx&timestamp=xxx&wxId=xxx&key=xxx
    const signStr = `nonce=${nonce}&timestamp=${timestamp}&wxId=${wxId}&key=${process.env.VUE_APP_SECRETKEY}`;
    const md5Result = md5(signStr);
    return md5Result;
};

// utils/authLock.js
export const authLock = {
    // 内存锁：实时判断
    isAuthorizing: false,
    // 初始化：从本地缓存恢复锁状态（防止页面刷新后锁失效）
    init() {
        const lock = window.localStorage.getItem('isWechatAuthorizing');
        this.isAuthorizing = lock === 'true';
    },
    // 加锁：同时更新内存和本地缓存
    lock() {
        this.isAuthorizing = true;
        window.localStorage.setItem('isWechatAuthorizing', 'true');
    },
    // 解锁：同时更新内存和本地缓存
    unlock() {
        this.isAuthorizing = false;
        window.localStorage.removeItem('isWechatAuthorizing');
    }
};

// 初始化锁
authLock.init();