const config = require("./config");

App({
  globalData: {
    userInfo: null,
    token: null,
    currentStore: null,
    ladderUser: null,
    wsConnected: false,
    // 微信登录临时信息
    wxLoginInfo: null,
    // 从配置文件读取
    baseUrl: config.baseUrl,
    wsUrl: config.wsUrl,
  },

  onLaunch() {
    // 从本地存储读取token
    const token = wx.getStorageSync("token");
    if (token) {
      this.globalData.token = token;
      this.getUserInfo();
    }
  },

  // 微信登录（第一步：获取openid和session_key）
  wxLogin() {
    return new Promise((resolve, reject) => {
      wx.login({
        success: (res) => {
          wx.request({
            url: `${this.globalData.baseUrl}/api/user/login`,
            method: "POST",
            data: { code: res.code },
            success: (loginRes) => {
              if (loginRes.data.code === 0) {
                const data = loginRes.data.data;
                // 保存微信登录信息（用于后续手机号授权）
                this.globalData.wxLoginInfo = {
                  openid: data.openid,
                  unionid: data.unionid,
                  sessionKey: data.sessionKey,
                  isNewUser: data.isNewUser,
                  hasPhone: data.hasPhone,
                };

                // 如果已有token（老用户），直接使用
                if (data.userInfo && data.hasPhone) {
                  // 老用户已绑定手机号，生成token并登录
                  this.globalData.userInfo = data.userInfo;
                }

                resolve(data);
              } else {
                reject(loginRes.data);
              }
            },
            fail: reject,
          });
        },
        fail: reject,
      });
    });
  },

  // 手机号授权登录（第二步：解密手机号完成注册/登录）
  phoneLogin(encryptedData, iv, userProfile) {
    return new Promise((resolve, reject) => {
      const wxInfo = this.globalData.wxLoginInfo;
      if (!wxInfo) {
        reject({ message: "请先进行微信登录" });
        return;
      }

      wx.request({
        url: `${this.globalData.baseUrl}/api/user/phone-login`,
        method: "POST",
        data: {
          openid: wxInfo.openid,
          unionid: wxInfo.unionid,
          sessionKey: wxInfo.sessionKey,
          encryptedData,
          iv,
          nickname: userProfile?.nickName || "",
          avatar: userProfile?.avatarUrl || "",
          gender: userProfile?.gender || 0,
        },
        success: (loginRes) => {
          if (loginRes.data.code === 0) {
            this.globalData.token = loginRes.data.data.token;
            this.globalData.userInfo = loginRes.data.data.userInfo;
            wx.setStorageSync("token", loginRes.data.data.token);
            this.connectWebSocket();
            resolve(loginRes.data.data);
          } else {
            reject(loginRes.data);
          }
        },
        fail: reject,
      });
    });
  },

  // 旧的登录方法（兼容）
  login() {
    return this.wxLogin();
  },

  // 获取用户信息
  getUserInfo() {
    return new Promise((resolve, reject) => {
      this.request("/api/user/info")
        .then((res) => {
          this.globalData.userInfo = res.data;
          this.connectWebSocket();
          resolve(res.data);
        })
        .catch(reject);
    });
  },

  // 获取当前门店
  getCurrentStore() {
    return new Promise((resolve, reject) => {
      wx.getLocation({
        type: "gcj02",
        success: (loc) => {
          this.request("/api/user/current-store", {
            latitude: loc.latitude,
            longitude: loc.longitude,
          })
            .then((res) => {
              this.globalData.currentStore = res.data;
              if (res.data?.ladderUserId) {
                this.getLadderUser(res.data.storeId);
              }
              resolve(res.data);
            })
            .catch(reject);
        },
        fail: () => {
          // 无法获取位置，使用默认门店
          this.request("/api/user/current-store")
            .then((res) => {
              this.globalData.currentStore = res.data;
              resolve(res.data);
            })
            .catch(reject);
        },
      });
    });
  },

  // 获取天梯用户信息
  getLadderUser(storeId) {
    return this.request("/api/user/ladder-info", { store_id: storeId }).then(
      (res) => {
        if (res.data && res.data.length > 0) {
          this.globalData.ladderUser = res.data[0];
        } else {
          // 没有天梯用户时清空
          this.globalData.ladderUser = null;
        }
        return res.data;
      }
    );
  },

  // WebSocket连接
  connectWebSocket() {
    if (this.globalData.wsConnected || !this.globalData.token) return;

    const wsUrl = this.globalData.wsUrl || "ws://localhost:3000/ws";

    this.ws = wx.connectSocket({
      url: wsUrl,
      success: () => {
        console.log("WebSocket连接中...");
      },
    });

    wx.onSocketOpen(() => {
      console.log("WebSocket已连接");
      this.globalData.wsConnected = true;
      // 发送认证
      wx.sendSocketMessage({
        data: JSON.stringify({
          type: "auth",
          token: this.globalData.token,
        }),
      });
    });

    wx.onSocketMessage((res) => {
      const data = JSON.parse(res.data);
      this.handleWsMessage(data);
    });

    wx.onSocketClose(() => {
      console.log("WebSocket已断开");
      this.globalData.wsConnected = false;
      // 尝试重连
      setTimeout(() => {
        this.connectWebSocket();
      }, 5000);
    });

    wx.onSocketError((err) => {
      console.error("WebSocket错误:", err);
    });
  },

  // 处理WebSocket消息
  handleWsMessage(data) {
    switch (data.type) {
      case "challenge_request":
        // 收到挑战请求
        wx.showModal({
          title: "收到挑战",
          content: `${data.data.challenger.realName} 向你发起挑战`,
          confirmText: "接受",
          cancelText: "拒绝",
          success: (res) => {
            this.request(
              "/api/match/challenge/respond",
              {
                match_id: data.data.matchId,
                accept: res.confirm,
              },
              "POST"
            );
          },
        });
        break;
      case "score_confirm_request":
        // 收到比分确认请求
        wx.showModal({
          title: "确认比分",
          content: `比分: ${data.data.player1Score} : ${data.data.player2Score}`,
          confirmText: "确认",
          cancelText: "有争议",
          success: (res) => {
            this.request(
              "/api/match/challenge/confirm-score",
              {
                game_id: data.data.gameId,
                confirm: res.confirm,
              },
              "POST"
            );
          },
        });
        break;
      case "match_paired":
        // 排位赛匹配通知
        wx.showModal({
          title: "匹配成功",
          content: `你的对手是: ${data.data.opponent.realName}`,
          showCancel: false,
        });
        break;
    }
  },

  // 封装请求
  request(url, data = {}, method = "GET") {
    return new Promise((resolve, reject) => {
      wx.request({
        url: `${this.globalData.baseUrl}${url}`,
        method,
        data,
        header: {
          Authorization: `Bearer ${this.globalData.token}`,
        },
        success: (res) => {
          if (res.data.code === 0) {
            resolve(res.data);
          } else if (res.data.code === 401) {
            // 登录过期
            this.globalData.token = null;
            wx.removeStorageSync("token");
            wx.reLaunch({ url: "/pages/user/index" });
            reject(res.data);
          } else {
            wx.showToast({ title: res.data.message, icon: "none" });
            reject(res.data);
          }
        },
        fail: reject,
      });
    });
  },
});