/* pages/mine/mine.js */
const storage = require('../../utils/storage.js');
const { gateway } = require('../../services/gateway.js');

Page({
  data: {
    userInfo: null,
    activeDevice: '无',
    mqttStatus: '未连接',
    mqttStatusColor: '#999',
    bleStatus: '未运行',
    bleStatusColor: '#999',
    pendingCount: 0,
    appVersion: '1.0.0',
  },

  onLoad() {
    this.loadUserInfo();
  },

  onShow() {
    if (!this._unsub) {
      this._unsub = gateway.subscribe(() => this.checkStatus());
    }
    this.loadUserInfo();
    this.checkStatus();
  },

  onHide() {
    if (this._unsub) {
      this._unsub();
      this._unsub = null;
    }
  },

  // 加载用户信息
  loadUserInfo() {
    const userInfo = storage.getUserInfo();
    this.setData({ userInfo });
  },

  // 检查连接状态（统一读网关快照，修复旧字符串/对象 API 回归）
  checkStatus() {
    const snap = gateway.getSnapshot();
    const devName = snap.device ? (snap.device.name || snap.device.serialNumber || '') : '';

    // MQTT
    let mqttStatus = '未连接';
    let mqttStatusColor = '#999';
    if (snap.mqttConnected) {
      mqttStatus = '已连接';
      mqttStatusColor = '#52c41a';
    } else if (snap.mqttState === 'connecting') {
      mqttStatus = '连接中';
      mqttStatusColor = '#1890ff';
    }

    // 蓝牙/采集
    let bleStatus = '未运行';
    let bleStatusColor = '#999';
    if (snap.bleConnected && devName) {
      bleStatus = '采集中';
      bleStatusColor = '#52c41a';
    } else if (snap.phase === 'starting') {
      bleStatus = '连接中';
      bleStatusColor = '#1890ff';
    } else if (snap.phase === 'error') {
      bleStatus = '异常';
      bleStatusColor = '#ff4d4f';
    } else if (snap.device && !snap.bleConnected) {
      bleStatus = '未连接';
      bleStatusColor = '#fa8c16';
    }

    const pendingData = storage.getPendingData();
    const pendingCount = pendingData ? pendingData.length : 0;

    this.setData({
      activeDevice: devName || '无',
      mqttStatus,
      mqttStatusColor,
      bleStatus,
      bleStatusColor,
      pendingCount,
    });
  },

  // 清除缓存
  clearCache() {
    wx.showModal({
      title: '提示',
      content: '确定要清除缓存吗？这将清除所有离线数据。',
      success: (res) => {
        if (res.confirm) {
          storage.clearPendingData();
          wx.showToast({
            title: '清除成功',
            icon: 'success',
          });
          this.checkStatus();
        }
      },
    });
  },

  // 退出登录
  async logout() {
    wx.showModal({
      title: '提示',
      content: '确定要退出登录吗？',
      success: async (res) => {
        if (res.confirm) {
          // 先停网关（断开 BLE/MQTT）
          await gateway.stop();

          // 清除所有本地数据
          storage.clearAll();

          // 跳转到登录页
          wx.reLaunch({
            url: '/pages/login/login',
          });
        }
      },
    });
  },

  // 关于我们
  showAbout() {
    wx.showModal({
      title: '岩安测控网关',
      content: '版本：' + this.data.appVersion + '\n\n轻量化蓝牙网关，采集 BLE 设备数据透传上报至 yack 平台。',
      showCancel: false,
    });
  },
});