const api = require('./utils/api')
const storage = require('./utils/storage')
const sync = require('./utils/sync')
const migrate = require('./utils/migrate')

App({
  onLaunch() {
    // 先修一遍本地数据，再走网络流程
    migrate.run()
    this.getUserOpenId()
  },

  // 获取 openid：调自建后端 /api/login
  async getUserOpenId() {
    let openid = wx.getStorageSync('openid')
    if (!openid) {
      try {
        const res = await api.login()
        openid = res.openid
        wx.setStorageSync('openid', openid)
        console.log('获取openid成功:', openid)
      } catch (err) {
        console.error('获取openid失败:', err)
        return
      }
    }
    this.globalData.openid = openid

    // 拿到 openid 后，本地无数据时从云端拉一次（新设备/重装恢复场景）
    const pulled = await storage.pullFromCloudIfEmpty()
    if (pulled) {
      console.log('已从云端恢复数据')
      // 云端可能存着老版本写上去的坏数据，拉回来后再修一遍（run 是幂等的）
      migrate.run()
    }

    // flush 之前同步失败的待重试队列
    sync.flush()
  },

  globalData: {
    userInfo: null,
    openid: ''
  }
})