/**
 * @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: [],
      // 当前锁信息
      currentLockInfo: {}
    }
  },
  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
          }
        }
      })
    },
    // 监听蓝牙设备连接状态
    onBluetoothConnectStatus() {
      const that = this
      uni.onBLEConnectionStateChange(function (res) {
        if(res.deviceId === that.currentLockInfo.deviceId) {
          console.log('设备连接状态改变', res)
          that.updateCurrentLockInfo({
            ...that.currentLockInfo,
            connected: res.connected
          })
        }
      })
    },
    // 监听蓝牙设备特征值改变
    onBluetoothCharacteristicValueChange() {
      const that = this
      uni.onBLECharacteristicValueChange(function (res) {
        // 待完善
        console.log('特征值改变', res)
      })
    },
    // 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)
        }
      })
    },
    // 连接蓝牙设备+获取设备服务+获取设备特征值
    connectBluetoothDevice() {
      const that = this
      return new Promise((resolve) => {
        if(that.bluetoothStatus !== 0) {
          console.log('连接未执行', that.bluetoothStatus)
          that.getBluetoothStatus()
          resolve(false)
          return
        }
        uni.createBLEConnection({
          deviceId: that.currentLockInfo.deviceId,
          success(res) {
            console.log('连接成功', res)
            // 获取设备服务
            uni.getBLEDeviceServices({
              deviceId: that.currentLockInfo.deviceId,
              success (res) {
                let serviceId
                for(let i = 0; i < res.services.length; i++) {
                  if(res.services[i].isPrimary) {
                    serviceId = res.services[i].uuid
                  }
                }
                // 获取设备对应服务的特征值
                uni.getBLEDeviceCharacteristics({
                  deviceId: that.currentLockInfo.deviceId,
                  serviceId: serviceId,
                  success (res) {
                    let notifyCharacteristicId
                    let writeCharacteristicId
                    for(let i = 0; i < res.characteristics.length; i++) {
                      const characteristic = res.characteristics[i]
                      if(characteristic.properties.notify) {
                        notifyCharacteristicId = characteristic.uuid
                      }
                      if(characteristic.properties.write) {
                        writeCharacteristicId = characteristic.uuid
                      }
                    }
                    that.updateCurrentLockInfo({
                      ...that.currentLockInfo,
                      serviceId,
                      notifyCharacteristicId,
                      writeCharacteristicId
                    })
                    that.notifyBluetoothCharacteristicValueChange()
                    resolve(true)
                  },
                  fail(res) {
                    if(res.errCode === 10006) {
                      uni.showToast({
                        title: '连接失败，请靠近设备并保持设备处于唤醒状态',
                        icon: 'none'
                      })
                    }
                    console.log('获取设备特征值失败', res)
                    resolve(false)
                  }
                })
              },
              fail(res) {
                if(res.errCode === 10006) {
                  uni.showToast({
                    title: '连接失败，请靠近设备并保持设备处于唤醒状态',
                    icon: 'none'
                  })
                }
                console.log('获取设备服务失败', res)
                resolve(false)
              }
            })
          },
          fail(res) {
            uni.showToast({
              title: '连接失败，请靠近设备并保持设备处于唤醒状态',
              icon: 'none'
            })
            console.log('连接失败', res)
            resolve(false)
          }
        })
      })
    },
    // 更新当前锁信息
    updateCurrentLockInfo(lockInfo) {
      console.log('更新当前锁信息', lockInfo)
      this.currentLockInfo = lockInfo
    },
    // 订阅设备特征值改变
    notifyBluetoothCharacteristicValueChange() {
      const that = this
      uni.notifyBLECharacteristicValueChange({
        state: true,
        deviceId: that.currentLockInfo.deviceId,
        serviceId: that.currentLockInfo.serviceId,
        characteristicId: that.currentLockInfo.notifyCharacteristicId,
        success() {
          console.log('订阅成功', res)
        },
        fail(res) {
          console.log('订阅失败', res)
        }
      })
    },
    // 重新连接设备
    reconnectDevice() {
      const that = this
      return new Promise(async resolve => {
        uni.createBLEConnection({
          deviceId: that.currentLockInfo.deviceId,
          success (res) {
            console.log('重连成功', res)
            that.notifyBluetoothCharacteristicValueChange()
            resolve(true)
          },
          fail(res) {
            console.log('重连失败', res)
            uni.showModal({
              title: '提示',
              content: '设备连接已断开，请靠近设备并保持设备处于唤醒状态',
              showCancel: false,
              confirmText: '确定'
            })
            resolve(false)
          }
        })
      })
    },
    // 断开蓝牙连接
    closeBluetoothConnection() {
      const that = this
      uni.closeBLEConnection({
        deviceId: that.currentLockInfo.deviceId,
        success(res) {
          console.log('断开连接成功', res)
        },
        fail(res) {
          console.log('断开连接失败', res)
        }
      })
    },
    // 写入特征值
    async writeBLECharacteristicValue(binaryData) {
      const that = this

      // 确认蓝牙状态正常
      if(this.bluetoothStatus !== 0) {
        console.log('写入未执行', this.bluetoothStatus)
        this.getBluetoothStatus()
        return
      }

      // 确认设备连接正常
      if(!that.currentLockInfo.connected) {
        const result = await that.reconnectDevice()
        if(!result) return
      }

      console.log('设备ID：', that.currentLockInfo.deviceId)
      console.log('设备名称：', that.currentLockInfo.name)
      console.log('设备主服务：', that.currentLockInfo.serviceId)
      console.log('设备写入特征值：', that.currentLockInfo.writeCharacteristicId)
      console.log('设备写入数据：', Array.from(binaryData))

      // 次数
      const count = Math.ceil(binaryData.length / 20)
      for(let i = 0; i < count; i++) {
        const writeData = binaryData.slice(i * 20, i === (count - 1) ? binaryData.length - 1 : (i + 1) * 20)

        uni.writeBLECharacteristicValue({
          deviceId: that.currentLockInfo.deviceId,
          serviceId: that.currentLockInfo.serviceId,
          characteristicId: that.currentLockInfo.writeCharacteristicId,
          value: writeData,
          success() {
            console.log('数据写入成功')
          },
          fail(res) {
            console.log('写入失败', res)
          }
        })
      }
    }
  }
})