import { makeAutoObservable } from 'mobx'

import { type BleDevice } from '@/ble/core/types'
import { type DeviceInfo } from '@/ble/protocol/types'
import { storage } from '@/utils'

import { userStore } from './userStore'

interface BleState {
  isScanning: boolean
  isConnected: boolean
  connectedDevice: BleDevice | null
  deviceInfo: DeviceInfo | null
  version: string
  sn: string
  isActivated: boolean
  transferProgress: number

  canBind: boolean
  discoveredDevices: BleDevice[]
  loading: {
    connecting: boolean
    querying: boolean
    converting: boolean
    transferring: boolean
  }
  error: string | null
}

interface bindDeviceItem {
  id: string
  name: string
  userId: string
  createAt: number

  sn?: string
  version?: string
}

class BleStore {
  // State
  state: BleState = {
    isScanning: false,
    isConnected: false,
    connectedDevice: null,
    deviceInfo: null,
    version: '',
    sn: '',
    isActivated: false,
    transferProgress: 0,
    discoveredDevices: [],
    loading: {
      connecting: false,
      querying: false,
      converting: false,
      transferring: false,
    },
    error: null,
  }

  galleryList: string[] = []
  bindDeviceList: bindDeviceItem[] = []
  bleSessionId = `ble-session-${Date.now().toString()}`

  constructor() {
    makeAutoObservable(this)
    this.loadData()
  }

  private async loadData() {
    const data = await storage.get('ble_contents')
    this.setState((prev) => ({
      ...prev,
      contents: (data as string[]) ?? [],
    }))

    const bindData = await storage.get('ble_bindDeviceList')
    this.bindDeviceList = (bindData as typeof this.bindDeviceList) ?? []
  }

  setGalleryList(contents: string[]) {
    this.galleryList = contents
    storage.set('ble_contents', contents)
  }
  addGalleryItem(content: string) {
    if (this.galleryList?.includes(content)) return
    this.galleryList?.push(content)
    storage.set('ble_contents', this.galleryList)
  }
  removeGalleryItem(key: string) {
    this.galleryList = this.galleryList?.filter((c) => c !== key)
    storage.set('ble_contents', this.galleryList)
  }

  addBindDeviceItem(item: bindDeviceItem) {
    if (this.bindDeviceList?.find((i) => i.id === item.id)) return
    this.bindDeviceList?.push({ ...item, createAt: Date.now() })

    userStore.bindBluetooth({ sn: item.sn || '', version: item.version || '' })
    storage.set('ble_bindDeviceList', this.bindDeviceList)
  }
  updateBindDeviceItem(item: bindDeviceItem) {
    const index = this.bindDeviceList?.findIndex((i) => i.id === item.id)
    if (index !== -1) {
      this.bindDeviceList[index] = item
      storage.set('ble_bindDeviceList', this.bindDeviceList)
    }
  }
  removeBindDeviceItem(id: string) {
    this.bindDeviceList = this.bindDeviceList?.filter((i) => i.id !== id)

    const device = this.bindDeviceList.find((i) => i.id === id)
    if (device) {
      // 解绑设备id为空
      userStore.bindBluetooth({ sn: device.sn || '', version: device.version || '', userDeviceId: '' })
    }
    storage.set('ble_bindDeviceList', this.bindDeviceList)
  }

  // Actions
  setState(updater: (prev: BleState) => BleState) {
    this.state = updater(this.state)
  }
}

// Global instance
export const bleStore = new BleStore()