/**
 * @description 蓝牙数据持久化
 */
import { defineStore } from 'pinia'

// 定时器
let timer

export const useBluetoothStore = defineStore('ble', {
  state() {
    return {
      /*
      * 蓝牙状态
      * -1 未知（初始状态）
      * 0 正常
      * 1 系统蓝牙未打开
      * 2 小程序蓝牙功能被禁用
      * 3 系统蓝牙未打开且小程序蓝牙功能被禁用
      */
      bluetoothStatus: -1,
      // 设备列表
      deviceList: []
    }
  },
  actions: {
    // 初始化蓝牙模块并监听蓝牙状态变化
    initBluetooth() {
      const that = this
      // 初始化蓝牙模块
      return new Promise(resolve => {
        uni.openBluetoothAdapter({
          success() {
            that.bluetoothStatus = 0
            console.log('蓝牙初始化成功')
            resolve()
          },
          fail(err) {
            console.log('蓝牙初始化失败', err)
            // 系统蓝牙未打开
            if(err.errCode === 10001) {
              if(that.bluetoothStatus === 2) {
                that.bluetoothStatus = 3
              } else {
                that.bluetoothStatus = 1
              }
            }
            // 小程序蓝牙功能被禁用
            if(err.errno === 103) {
              if(that.bluetoothStatus === 1) {
                that.bluetoothStatus = 3
              } else {
                that.bluetoothStatus = 2
              }
            }
            resolve()
          }
        })
      })
    },
    // 监听蓝牙状态变化
    onBluetoothState() {
      const that = this
      uni.onBluetoothAdapterStateChange((res) => {
        console.log('蓝牙状态改变', res)
        if(that.bluetoothStatus === 3 && res.available) {
          that.bluetoothStatus = 2
        } else if (that.bluetoothStatus === 2 && !res.available) {
          that.bluetoothStatus = 3
        } else if (that.bluetoothStatus === 1 && res.available) {
          that.bluetoothStatus = 0
        } else if (that.bluetoothStatus === 0 && !res.available){
          that.bluetoothStatus = 1
        } else if (that.bluetoothStatus === -1) {
          if(res.available) {
            that.bluetoothStatus = 0
          } else {
            that.bluetoothStatus = 1
          }
        }
      })
    },
    // 开始搜索蓝牙设备
    getBluetoothDevices() {
      const that = this
      if(this.bluetoothStatus !== 0) {
        console.log('搜索未执行', this.bluetoothStatus)
        this.getBluetoothStatus()
        return
      }
      uni.startBluetoothDevicesDiscovery({
        success: function (res) {
          setTimeout(() => {
            that.searchBluetoothDevices()
          }, 300)
        },
        fail: async function (res) {
          console.log('开始搜索失败', res)
          if(res.errCode === 10000) {
            // 重新初始化蓝牙适配器
            await that.initBluetooth()
            that.getBluetoothDevices()
          }
        }
      })
    },
    // 定时查询蓝牙设备
    searchBluetoothDevices() {
      const that = this
      if(this.bluetoothStatus !== 0) {
        console.log('搜索未执行', this.bluetoothStatus)
        this.getBluetoothStatus()
        return
      }
      timer = setInterval(() => {
        uni.getBluetoothDevices({
          success(res) {
            const deviceList = res.devices
            that.deviceList = []
            for(let i = 0; i < deviceList.length; i++) {
              if(deviceList[i]?.advertisServiceUUIDs) {
                const uuid = deviceList[i]?.advertisServiceUUIDs[0]
                if(uuid && uuid.slice(2,8)==='758824' && uuid.slice(30,32)==='00') {
                  that.deviceList.push(deviceList[i])
                }
              }
            }
            console.log('设备列表', that.deviceList)
          },
          fail: async function (err) {
            console.log('获取设备列表失败', err)
            if(res.errCode === 10000) {
              // 重新初始化蓝牙适配器
              await that.initBluetooth()
            }
          }
        })
      }, 1000)
    },
    // 停止搜索蓝牙设备
    stopGetBluetoothDevices() {
      clearInterval(timer)
      uni.stopBluetoothDevicesDiscovery()
    },
    // 蓝牙状态提示
    getBluetoothStatus() {
      if(this.bluetoothStatus === 1) {
        uni.showModal({
          title: '提示',
          content: '蓝牙尚未打开，请先打开蓝牙',
          showCancel: false,
          confirmText: '确定',
        })
      } else if(this.bluetoothStatus === 2 || this.bluetoothStatus === 3) {
        uni.showModal({
          title: '提示',
          content: '小程序蓝牙功能被禁用，请打开小程序蓝牙权限',
          showCancel: false,
          confirmText: '去设置',
          success(res) {
            if(res.confirm) {
              uni.openSetting()
            }
          }
        })
      }
    },
    // 检查小程序设置
    checkSetting() {
      const that = this
      uni.getSetting({
        async success(res) {
          const bluetooth = res.authSetting['scope.bluetooth']
          if(that.bluetoothStatus === -1) {
            if(bluetooth) {
              that.bluetoothStatus = 0
            } else {
              that.bluetoothStatus = 2
            }
          } else if(that.bluetoothStatus === 0 && !bluetooth) {
            that.bluetoothStatus = 2
          } else if(that.bluetoothStatus === 1 && !bluetooth) {
            that.bluetoothStatus = 3
          } else if(that.bluetoothStatus === 2 && bluetooth) {
            that.bluetoothStatus = 0
            await that.initBluetooth()
          } else if(that.bluetoothStatus === 3 && bluetooth) {
            that.bluetoothStatus = 1
            await that.initBluetooth()
            that.onBluetoothState()
          }
          console.log('蓝牙权限', bluetooth, that.bluetoothStatus)
        }
      })
    }
  }
})