import { ApiMsgEnum } from '..'
import Singleton from '../base/Singleton'
import type { IPlayer } from './Player'
import Player from './Player'
import RoomManager from './RoomManager'

export default class PlayerManager extends Singleton {
  static get Instance() {
    return super.GetInstance<PlayerManager>()
  }

  playerId = 1
  players: Set<Player> = new Set()
  idMapPlayer: Map<number, Player> = new Map()

  createPlayer({ connection, nickname }: Omit<IPlayer, 'id'>) {
    const player = new Player({ id: this.playerId++, connection, nickname })
    this.players.add(player)
    this.idMapPlayer.set(player.id, player)
    return player
  }

  removePlayer(uid: number) {
    const player = this.idMapPlayer.get(uid)
    if (player) {
      const rid = player.rid
      if (rid !== undefined) {
        RoomManager.Instance.leaveRoom(rid, uid);
        RoomManager.Instance.syncRooms();
        RoomManager.Instance.syncRoom(rid);
      }
      this.players.delete(player)
      this.idMapPlayer.delete(uid)
      this.syncPlayers()
    }
  }

  getPlayerById(uid: number) {
    return this.idMapPlayer.get(uid)
  }

  syncPlayers() {
    for (const player of this.players) {
      player.connection.sendMsg(ApiMsgEnum.MsgPlayerList, { list: this.getPlayersView() })
    }
  }

  getPlayersView(players: Set<Player> = this.players) {
    return [...players].map((player) => this.getPlayerView(player))
  }

  getPlayerView({ id, nickname, rid }: Player) {
    return { id, nickname, rid }
  }
}