import {Command} from "@colyseus/command";
import {CardGameState} from "../schema/CardGameState";
import {Client} from "colyseus";
import gameUtil from "../../utils/game.util";
import {Card} from "../schema/Card";
import {PlayerStateConst} from "../../constants/PlayerStateConst";
import {singleton} from "../../common/Singleton";
import {GameEnv} from "../../cfg/GameEnv";
import {GameStateConst} from "../../constants/GameStateConst";

/**
 * 开局换卡
 */
export class ChangeCardCommand extends Command<CardGameState, { client: Client, cards: [string] }> {
    validate({ client, cards } = this.payload) {
        const player = this.state.players.get(client.sessionId);
        return player !== undefined && gameUtil.checkCardsExists(player.cards, cards);
    }

    execute({ client, cards } = this.payload) {
        let sessionId = client.sessionId;
        let player = this.state.players.get(sessionId);
        let cardToRemove:Card[] = [];
        for (let id of cards) {
            let card = player.cards.get(id);
            cardToRemove.push(card);
        }
        let newCards = gameUtil.changeCard(this.state.cardQueue, player, cardToRemove);
        client.send('change_card_s2c', {errcode:0, errmsg: '', cards: newCards});
        player.state = PlayerStateConst.PLAYER_CHANGE_CARD;
        let finishCount = 0;
        for (let [sessionId, player] of this.state.players) {
            if (player.state === PlayerStateConst.PLAYER_CHANGE_CARD) {
                finishCount++;
            }
        }
        if (finishCount >= this.room.maxClients) {
            // TODO:: 延后开始 根据 this.state.firstPlayer确定先手
            // 正式开始游戏, 第一个玩家出牌
            let curClient = this.room.clients[0];
            this.state.currentTurn = curClient.sessionId;
            this.state.subTurn = '';
            let curPlayer = this.state.players.get(curClient.sessionId);
            let cards = gameUtil.drawCard(this.state.cardQueue, curPlayer, singleton(GameEnv).roundDrawNum);
            curClient.send('draw_card_s2c', cards);
            this.state.gameState = GameStateConst.STATE_BEGIN_DRAW;
        }
    }

}