import { dbconn } from '../decorators/dbconn'
import {
  getModelForClass,
  index,
  modelOptions,
  plugin,
  prop,
  Severity
} from '@typegoose/typegoose'
import {
  Base,
  FindOrCreate,
  TimeStamps
} from '@typegoose/typegoose/lib/defaultClasses'
// @ts-ignore
import findOrCreate from 'mongoose-findorcreate'
import { BaseConst } from '../constants/BaseConst'
import { DropItemCfg } from '../cfg/parsers/DropItemCfg'
import { ItemCardCfg } from '../cfg/parsers/ItemCardCfg'
import { ItemInfo } from '../logic/ItemDef'
import { error } from '../common/Debug'
import { addHeroDefaultCardGroup } from '../dao/CardGroupDao'
import { ItemRecord } from './ItemRecord'

export enum ItemType {
  UNKNOW = 0,   // 未知
  NORMAL = 1,   // 杂物
  BAG = 2,      // 礼包
  CARD = 3,     // 卡
  MONEY = 7     // 代币
}

/**
 * 根据itemid确定物品的类型
 * @param {number} itemid
 * @return {ItemType.UNKNOW | number}
 */
export function getItemType(itemid: number) {
  let dmap: Map<number, DropItemCfg> = global.$cfg.get(BaseConst.DROPITEM)
  if (dmap.has(itemid)) {
    return dmap.get(itemid).itemtypeid
  }
  let imap: Map<number, ItemCardCfg> = global.$cfg.get(BaseConst.ITEMCARD)
  if (imap.has(itemid)) {
    return imap.get(itemid).typeid
  }
  return ItemType.UNKNOW
}

interface BagItemClass extends Base<string>, TimeStamps {
}

@dbconn()
@index({ accountid: 1, itemid: 1, itemtype: 1 }, { unique: true })
@index({ accountid: 1, itemid: 1 }, { unique: true })
@plugin(findOrCreate)
@modelOptions({
  schemaOptions:
    { collection: 'bag_items', timestamps: true },
  options: { allowMixed: Severity.ALLOW }
})
class BagItemClass extends FindOrCreate {
  @prop()
  public accountid: string

  @prop()
  public itemid: number

  @prop({ enum: ItemType })
  public itemtype: ItemType

  @prop({ default: 0 })
  public count: number

  @prop({ default: 0 })
  public position: number

  @prop()
  public source?: string

  public static async addItems(accountid: string, items: ItemInfo[], reason?: string, more?: any) {
    let results: any = []
    for (const item of items) {
      let record = (await BagItem.findOrCreate({
        accountid,
        itemid: item.id,
        itemtype: item.type
      })).doc
      record.count += item.count
      await record.save()
      results.push(record.toJson())
      setImmediate(function (){
        ItemRecord.log(accountid, item.id, item.count, reason, more)
          .then(()=>{}).catch(err=>{
          error('error add item log', err)
        })
      })
    }
    return results
  }

  /**
   * 该方法只更新物品数量, 不检查
   * 使用该方法前须检查物品数量是否大于使用数量
   * @param {string} accountid
   * @param {ItemInfo} items
   * @param reason
   * @param more
   * @return {Promise<void>}
   */
  public static async useItems(accountid: string, items: ItemInfo[], reason?: string, more?: any) {
    for (let item of items) {
      const conditions = {accountid, itemid: item.id}
      const update = {$inc: {count: -item.count}}
      await BagItem.updateOne(conditions, update)
      setImmediate(function (){
        ItemRecord.log(accountid, item.id, -item.count, reason, more)
          .then(()=>{}).catch(err=>{
            error('error add item log', err)
        })
      })
    }
  }

  public static async useItem(accountid: string, itemid: number, count: number, reason?: string, more?: any) {
    return BagItem.useItems(accountid, [new ItemInfo(itemid, count)], reason, more)
  }

  public toJson() {
    return {
      id: this.itemid,
      count: this.count,
      type: this.itemtype
    }
  }

  /**
   * 处理10连抽的物品列表
   * @param account
   * @param {ItemInfo[]} items
   * @return {Promise<any>}
   */
  public static async parseCardItems(account: any, items: ItemInfo[], more: any) {
    const cardMap = account.cardMap
    const cfgMap = global.$cfg.get(BaseConst.ITEMCARD)
    let itemToSave: ItemInfo[] = []
    const accountid = account._id
    let results: any = []
    for (let item of items) {
      if (item.type != ItemType.CARD) {
        results.push({
          id: item.id,
          used: 0,
          count: item.count
        });
        itemToSave.push(item)
        continue
      }
      if (item.type == ItemType.CARD &&!cfgMap.has(item.id)) {
        error(`抽卡 ${item.id} 的配置不存在`)
        continue
      }
      const data = cfgMap.get(item.id)
      if (data.unlocking >= 30000 ) { // 英雄
        for (let i = 0; i < item.count; i ++) {
          let result = account.unlockHero(data.unlocking, data.unlockingtimes)
          if (result == 1) {
            await addHeroDefaultCardGroup(accountid, data.unlocking, cardMap)
          }
          if (result > 0) {
            results.push({
              id: item.id,
              used: 1,
              count: 1,
              heroid: data.unlocking
            })
          } else {
            let saveItem = new  ItemInfo(item.id, 1, item.weight)
            saveItem.type = item.type
            itemToSave.push(saveItem)
            results.push({
              id: item.id,
              count: 1,
              used: 0
            })
          }
        }
      } else { // 随从卡
        for (let i = 0; i < item.count; i ++) {
          const result = account.unlockCard(data.unlocking, data.unlockingtimes)
          if (result > 0) {
            results.push({
              id: item.id,
              used: 1,
              count: 1,
              cardid: data.unlocking
            })
          } else {
            let saveItem = new  ItemInfo(item.id, 1, item.weight)
            saveItem.type = item.type
            itemToSave.push(saveItem)
            results.push({
              id: item.id,
              count: 1,
              used: 0,
            })
          }
        }
      }
    }
    await BagItem.addItems(accountid, itemToSave, 'draw_card', more)
    return results
  }
}

export const BagItem = getModelForClass(BagItemClass,
// @ts-ignore
  { existingConnection: BagItemClass['db'] })