import {
  beginGame,
  endGame,
  sendQuestion,
  updateRound,
  updateScore
} from './WsSvr'
import { Puzzle } from '../models/content/Puzzle'
import { Schedule } from '../clock/Schedule'
import { BaseConst } from '../constants/BaseConst'
import { QCategoryCache } from './QCategoryCache'
import { PuzzleSession } from '../models/match/PuzzleSession'
import { GameEnv } from '../config/GameEnv'
import { Shop } from '../models/shop/Shop'
import { mission_vo } from '../config/parsers/mission_vo'
import { ShopActivity } from '../models/shop/ShopActivity'
import { getAccountRank, getRankList, updateRank } from './Rank'
import { PuzzleRank } from '../models/match/PuzzleRank'


export function transformRecord(records: any[]) {
  return records.map(o => {
    let answers = []
    for (let i = 1; i <= 4; i++) {
      if (o[`a${ i }`]) {
        answers.push(o[`a${ i }`])
      }
    }
    answers.randomSort()
    let type = new QCategoryCache().getType(o.tag)
    let subType = new QCategoryCache().getType(o.sub_tag)
    return {
      id: o._id,
      title: o.question,
      answers,
      type: 1,
      category: type + '-' + subType,
      quality: o.quality
    }
  })
}

/**
 * 检查是否所有人都已经答了当前题目
 *
 * @param history
 * @param {string} qid
 * @return {boolean}
 */
export function checkSubFinish(history: any, qid: string) {
  for (let [key, val] of history.members) {
    if (!val.answer?.has(qid)) {
      return false
    }
  }
  return true
}

/**
 * 开始游戏
 * @param {string} roomId
 * @param sessionId
 * @return {Promise<void>}
 */
export async function startGame(roomId: string, sessionId: string) {
  let history = await PuzzleSession.findById(sessionId)
  let records = await Puzzle.randomQuestions({status: 1, is_hide: 0, deleted: 0, dp: 1}, history.total)
  await beginGame(roomId, {})
  for (let record of records) {
    history.questions.set(record.id, record.a1)
  }
  history.markModified('questions')
  await history.save()
  new Schedule().beginSchedule(BaseConst.FIST_QUESTION_DELAY, async function () {
    await sendOneQuestion(history)
  }, history.scheduleKey)

}

export async function sendOneQuestion(history: any) {
  const roomId = history.room
  new Schedule().stopSchedule(history.scheduleKey)
  if (history.current >= history.questions.size) {
    console.log('match over')
    history.status = 9
    await history.save()
    await endGame(roomId, {closeTime: BaseConst.ROOM_AUTO_CLOSE_TIME})
    return
  }
  const questions:string[] = Array.from(history.questions.keys())
  let qid: string = questions[history.current]
  let record = await Puzzle.findById(qid)
  let qdata: any = transformRecord([record])[0]
  qdata.no = history.current
  await updateRound(roomId, history.current)
  await sendQuestion(roomId, qdata)
  history.current++
  await history.save()
  new Schedule().beginSchedule(new GameEnv().pvpQuestionInterval, async function () {
    let subHistory = await PuzzleSession.findById(history.id)
    let datas = []
    for (let [accountid, data] of subHistory.members) {
      if (!data.answer.has(qid)) {
        data.answer.set(qid, 0)
        data.errorCount++
        data.comboCount = 0
        datas.push({ accountid, score: 0 })
      }
    }
    subHistory.markModified('members')
    await subHistory.save()
    await updateScore(subHistory.room, datas)
    await sendOneQuestion(subHistory)
  }, history.scheduleKey)
}

export function calcExamScore(time: number, combo: number) {
  const cfg = new GameEnv()
  return cfg.pvpBaseScore + time / 100 * cfg.pvpTimeRate + combo * cfg.pvpComboRate
}

export function calcPvpScore(timeKey: string, combo: number) {
  const time = new Schedule().getLeftTime(timeKey)
  const cfg = new GameEnv()
  return cfg.pvpBaseScore + time / 100 * cfg.pvpTimeRate + combo * cfg.pvpComboRate
}
export function rankKey(shop: string, level: number|string, mode: number) {
  return `${shop}_${mode}_${level}`
}
/**
 * 更新排行榜
 * @param {string} shop       店铺id
 * @param {number} level      关卡id
 * @param {string} accountId  帐号id
 * @param {number} score      分数
 * @param {string} session
 * @param {number} mode       模式: 0: 单人 1: pvp
 * @return {Promise<void>}
 */
export async function updateSingleRank({shop, level, accountId, score, session, mode }
                             : {shop: string,
                                level: number | string,
                                accountId: string,
                                score: number,
                                mode: number,
                                session: string}) {
  const key = rankKey(shop, level, mode)
  await updateRank(accountId, score, key)

  let record = (await PuzzleRank.findOrCreate({shop, level, accountId, mode})).doc
  if (record.score < score) {
    record.score = score
    record.session = session
    await record.save()
  }
  let scoreTotal = await PuzzleRank.fetchTotalScore(shop, accountId, mode)
  const totalKey = rankKey(shop, 'total', mode)
  await updateRank(accountId, scoreTotal, totalKey)

}

export async function updateExamRank({shop, level, accountId, score, session, mode }
                                         : {shop: string,
  level: number | string,
  accountId: string,
  score: number,
  mode: number,
  session: string}) {
    const totalKey = rankKey(shop, 'exam', mode)
    await updateRank(accountId, score, totalKey)
  }

export async function getRank({shop, level, accountId,  mode, skip, limit }
                                : {shop: string,
                                  level: number | string,
                                  accountId: string,
                                  mode: number, skip: number, limit: number}) {
  // let records = await PuzzleRank.find({shop, level, mode}).limit(limit).skip(skip).sort({'score': -1})
  const key = rankKey(shop, level, mode)
  let datas: any = await getRankList(skip, limit, key)
  // let scoreMap: Map<any, number> = new Map()
  let rankList: any[][] = []
  for (let i = 0, l = datas.length; i < l; i += 2) {
    // scoreMap.set(datas[i], datas[i + 1] << 0)
    rankList.push([datas[i], datas[i + 1] << 0])
  }
  let userRank = (await getAccountRank(accountId, key)) || 999
  return {rankList, userRank}
}

/**
 * 单人模式检查游戏是否结束
 * @param history
 * @param {string} accountId
 * @return {number} 0: 未结束, -1: 失败, 1: 胜利
 */
export function checkSingleFinish(history: any, accountId: string): number {
  let result = 0
  let stat = history.members.get(accountId)
  if (history.hasExpired()) {
    result =  -1
  } else {
    let cfg = fetchLevelCfg(history.level)
    if (stat.rightCount >= cfg.enemy) {
      result = 1
    } else if (stat.errorCount >= cfg.hp) {
      result = -1
    }
  }
  if (result !== 0) {
    stat.gameResult = result
  }
  return result
}

/**
 * 计算单人模式的得分
 * @return {number}
 */
export function calcSingleScore(history: any, accountId: string) {
  let cfgLevel = fetchLevelCfg(history.level)
  let time = cfgLevel.time - (Date.now() - history.createdAt.getTime()) / 1000
  let stat = history.members.get(accountId)
  let combo = stat.maxCombo
  let hp = cfgLevel.hp - stat.errorCount
  hp = hp < 0 ? 0 : hp
  time = time < 0 ? 0 : time
  let cfg = new GameEnv()
  let score = time * cfg.singleTimeRate + hp * cfg.singleHpRate + combo * cfg.singleComboRate;
  (history.difficultyMode) && (score *= cfg.singleLowLvlRate)
  stat.score = score
  let star = 0;
  (time >= cfgLevel.timestar) && star++;
  (stat.maxCombo >= cfgLevel.enemystar) && star++;
  (hp >= cfgLevel.hpstar) && star ++;
  stat.star = star
  stat.timeLeft = time
  return { score, star }
}

/**
 * 确定pvp模式题目类型
 * @param {string} shopId
 * @param {string}  aid       活动配置
 * @return {Promise<void>}
 */
export async function fetchPvpPuzzleType({shopId, aid} : {shopId: string, aid?: string}) {

  //{$or:[{tag: {$in: ['a', 'SS']}}, {sub_tag: {$in: ['a', 'SS']}}]}
  let typeArr: string[] = []
  if (aid) {
    let actData = await ShopActivity.findById(aid)
    if (actData?.qtypes?.length > 0) {
      typeArr = actData.qtypes
    }
  }
  if (typeArr.length === 0 ) {
    let shop = await Shop.findById(shopId)
    if (shop?.qtypes?.length > 0) {
      typeArr = shop.qtypes
    }
  }
  // let params = {$or: [{tag: {$in: typeArr}}, {sub_tag: {$in: typeArr}}]}
  return typeArr
}

/**
 * 获取单人模式题目类型
 * @param {string} shopId
 * @param {mission_vo} levelCfg
 * @return {Promise<void>}
 */
export async function fetchSinglePuzzleType({shopId, levelCfg} : {shopId: string, levelCfg?: mission_vo}) {
  let typeArr: string[] = []
  let shop = await Shop.findById(shopId)
  if (shop?.qtypes?.length > 0) {
    typeArr = shop.qtypes
  }
  if (typeArr.length === 0 && levelCfg?.keyID) {
    typeArr = levelCfg.keyID.split(':')
  }
  return typeArr
}

/**
 * 获取关卡配置信息
 * @param {number} level
 */
export function fetchLevelCfg(level: number) {
  const cfgs: mission_vo[] = Array.from(global.$cfg.get(BaseConst.MISSION).values())
  return cfgs.find(o => o.number == level) || cfgs[cfgs.length - 1]
}