import { STEP_CHEST_LEVEL, STEP_CHEST_RATE, STEP_SCORE_MAX, STEP_SCORE_MIN } from 'common/Constants'
import { ActivityChest, ChestStatusEnum } from 'models/ActivityChest'
import { ZError } from 'zutils'

const chestCfg = require('../../configs/chest.json')
const chestLevelMap = new Map()

for (let cfg of chestCfg.chests) {
  chestLevelMap.set(cfg.level, cfg)
}

export const generateNewChest = (uid: string, activity: string, level = 1, status = ChestStatusEnum.LOCKED) => {
  let cfg = chestLevelMap.get(level)
  if (!cfg) {
    throw new ZError(11, 'chest cfg not found')
  }
  let scoreInit = Math.floor(Math.random() * (cfg.initScoreMax - cfg.initScoreMin + 1) + cfg.initScoreMin)
  let chest = new ActivityChest({
    user: uid,
    activity: activity,
    level: level,
    maxBounsCount: cfg.maxBounsCount,
    bounsCfg: cfg.bounsCfg,
    scoreInit,
    status,
  })
  return chest
}

export const generateChestLevel = function (): number {
  const levelDefine = STEP_CHEST_LEVEL
  let randomLevel = Math.floor(Math.random() * levelDefine[levelDefine.length - 1])
  let level = 1
  for (let i = 0; i < levelDefine.length; i++) {
    if (randomLevel < levelDefine[i]) {
      level = i + 1
      break
    }
  }
  return level
}

export const generateStepReward = (uid: string, activity: string, step: number) => {
  let score = 0
  let chests = []
  for (let i = 0; i < step; i++) {
    score += Math.floor(Math.random() * (STEP_SCORE_MAX - STEP_SCORE_MIN + 1) + STEP_SCORE_MIN)
    if (Math.random() < STEP_CHEST_RATE) {
      let randomLevel = generateChestLevel()
      let chest = generateNewChest(uid, activity, randomLevel, ChestStatusEnum.NORMAL)
      chests.push(chest)
    }
  }
  return { score, chests }
}