import { getModelForClass, index, modelOptions, prop } from '@typegoose/typegoose'
import { dbconn } from '../../decorators/dbconn'
import { BaseModule } from '../Base'
import { Coupon } from '../shop/Coupon'
import { getCouponUrl } from '../../services/File'
import { PuzzleSessionClass } from '../match/PuzzleSession'
import { LOTTERY_TICKET } from '../../constants/BaseConst'
import { UserItem } from './UserItem'
import { UserCoupon } from './UserCoupon'

/**
 * 用户挑战或活动获得的奖励记录
 * 1. 用于判断某活动或挑战的奖励是否已经领取
 */

@dbconn()
@index({ accountId: 1 }, { unique: false })
@index({ accountId: 1, shop: 1 }, { unique: false })
@index({ accountId: 1, shop: 1, activityId: 1 }, { unique: false })
@index({ accountId: 1, shop: 1, rewardId: 1, source: 1, activityId: 1 }, { unique: false })
@modelOptions({ schemaOptions: { collection: 'game_user_reward', timestamps: true } })
class UserRewardClass extends BaseModule {
  @prop()
  public sid: string
  @prop()
  public accountId: string

  @prop()
  public shop: string

  /**
   * 活动id
   * @type {string}
   */
  @prop()
  public activityId: string
  /**
   * PuzzleSession的id
   * @type {string}
   */
  @prop()
  public sessionId: string
  /**
   * 来源
   * @type {string}
   */
  @prop()
  public source: string
  /**
   * 券的id
   * @type {string}
   */
  @prop()
  public item: string
  /**
   * 活动或挑战中奖励配置id
   * @type {string}
   */
  @prop()
  public rewardId: string

  /**
   * 奖励类型
   * @type {number} 0: 优惠券, 1: 抽奖券
   */
  @prop({ default: 0 })
  public rewardType: number

  @prop({ default: 1 })
  public count: number

  public static async saveOneRecord({
    accountId,
    itemId,
    count,
    shop,
    rewardId,
    sessionId,
    activityId,
    source,
  }: {
    accountId: string
    itemId: string
    count: number
    shop: string
    rewardId: string
    activityId: string
    sessionId?: string
    source?: string
  }) {
    let ids: string[] = []

    let saveRecord = async function (rewardType: number, cCount: number) {
      let record = new UserReward({
        accountId,
        shop: shop,
        sessionId,
        status: 0,
        rewardId,
        item: itemId,
        rewardType,
        count: cCount,
        source: source,
      })
      record.activityId = activityId
      await record.save()
      ids.push(record.sid)
    }
    let name = ''
    let url = ''
    let rewardType = 0
    let expire = 0
    if (itemId === LOTTERY_TICKET) {
      rewardType = 1
      await saveRecord(1, count)
      let params = { activity: activityId, rewardId }
      await UserItem.addOne({ accountId, shop, item: itemId, count, reason: source, params })
      name = '抽奖券'
    } else {
      rewardType = 0
      await saveRecord(0, count)
      let cdata = await Coupon.findById(itemId)
      name = cdata.name
      if (cdata.validDays) {
        expire = Date.now() + cdata.validDays * 24 * 60 * 60 * 1000
      }
      await UserCoupon.addOne({ accountId, shop, item: itemId, count, source, activityId, rewardId, expire })
      await Coupon.updateCount(itemId, count)
      url = getCouponUrl(shop, itemId)
    }

    return {
      coupon: itemId,
      name,
      count,
      couponUrl: url,
      ids,
      rewardType,
      expire,
    }
  }
  /**
   * 添加一条奖励获取记录
   * @param history 挑战记录
   * @param accountId 帐号信息
   * @param rewardId  奖励id
   * @param coupon    优惠券id
   * @param count     数量
   */
  public static async addOneRecord(
    history: PuzzleSessionClass,
    accountId: string,
    rewardId: string,
    coupon: string,
    count: number,
  ) {
    return await UserReward.saveOneRecord({
      accountId,
      itemId: coupon,
      count,
      shop: history.shop,
      rewardId,
      activityId: history.activityId,
      sessionId: history._id + '',
      source: history.type === 1 ? 'activity' : 'exam',
    })
  }

  /**
   * 检查挑战的奖励是否已领取
   * @param {PuzzleSessionClass} history
   * @param {string} accountId
   * @param rewardId
   * @return {Promise<boolean>}
   */
  public static async examRewardGot(history: PuzzleSessionClass, accountId: string, rewardId: string) {
    let source = history.type === 1 ? 'activity' : 'exam'
    return UserReward.rewardGot({ accountId, shop: history.shop, rewardId, activityId: history.activityId, source })
  }
  /**
   * 判断特定条件下一个奖励是否已经获取
   * @returns {Boolean}
   */
  public static async rewardGot({
    accountId,
    shop,
    activityId,
    rewardId,
    source,
  }: {
    accountId: string
    shop: string
    activityId: string
    rewardId: string
    source: string
  }) {
    let records = await UserReward.find(
      { accountId, activityId: activityId, rewardId, shop, source },
      { _id: 1 },
    ).limit(1)
    return records.length > 0
  }
  /**
   * 获取已经获得的奖励奖励信息, 用于判断指定的reward是否已经获得过了
   * @param accountId 帐号id
   * @param shop      所属店铺
   * @param activityId  活动id
   * @returns {Set<String>} 由reward id组成的Set
   */
  public static async userGotSet(accountId: string, shop: string, activityId: string) {
    let records = await UserReward.find({ accountId, shop, activityId })
    let result: Set<string> = new Set()
    for (const record of records) {
      result.add(record.rewardId)
    }
    return result
  }
}

export const UserReward = getModelForClass(UserRewardClass, { existingConnection: UserRewardClass.db })