import { _decorator, instantiate, Node, Prefab } from 'cc';
import { ResMgr } from '../../Framework/ResMgr/ResMgr';
import { UIBase } from '../../Framework/UI/UIBase';
import { PlayerInfo, PlayerInfoData } from './PlayerInfo';

const { ccclass, property } = _decorator;

/**
 * UIGame 游戏主界面
 * 显示游戏UI和世界场景
 */
@ccclass('UIGame')
export class UIGame extends UIBase {
    /** 玩家信息显示容器 */
    private playerInfoContainer: Node = null;

    /** 玩家信息预制体 */
    private playerInfoPrefab: Prefab = null;

    /** 当前显示的玩家信息组件Map<playerId, PlayerInfo> */
    private playerInfoComponents: Map<string, PlayerInfo> = new Map();

    async onStart() {
        this.initPlayerInfoContainer();
        await this.loadPlayerInfoPrefab();
    }

    onEnd(): void {
        this.clearPlayerInfoComponents();
    }

    /**
     * 获取 UI 预制体路径
     */
    public onGetUrl(): string {
        return 'res://UI/Game/UIGame';
    }

    /**
     * 初始化玩家信息容器
     */
    private initPlayerInfoContainer(): void {
        // 查找或创建玩家信息容器
        this.playerInfoContainer = this._node.getChildByName('PlayerInfoContainer');
        if (!this.playerInfoContainer) {
            this.playerInfoContainer = new Node('PlayerInfoContainer');
            this._node.addChild(this.playerInfoContainer);
        }
        console.log('[UIGame] 玩家信息容器已初始化');
    }

    /**
     * 加载玩家信息预制体
     */
    private async loadPlayerInfoPrefab(): Promise<void> {
        try {
            this.playerInfoPrefab = await ResMgr.getInstance().load('res', 'UI/Game/PlayerInfo', Prefab);
            console.log('[UIGame] 玩家信息预制体加载成功');
        } catch (error) {
            console.error('[UIGame] 加载玩家信息预制体失败:', error);
        }
    }

    /**
     * 更新玩家信息显示
     * @param playerDataList 玩家数据列表
     */
    public updatePlayerInfo(playerDataList: PlayerInfoData[]): void {
        if (!this.playerInfoPrefab || !this.playerInfoContainer) {
            console.error('[UIGame] 玩家信息预制体或容器未准备好');
            return;
        }

        // 记录当前更新的玩家ID
        const currentPlayerIds = new Set<string>();

        for (const playerData of playerDataList) {
            currentPlayerIds.add(playerData.playerId);

            let playerInfoComponent = this.playerInfoComponents.get(playerData.playerId);

            if (!playerInfoComponent) {
                // 创建新的玩家信息组件
                const playerInfoNode = instantiate(this.playerInfoPrefab);
                this.playerInfoContainer.addChild(playerInfoNode);

                playerInfoComponent = playerInfoNode.getComponent(PlayerInfo);
                if (!playerInfoComponent) {
                    playerInfoComponent = playerInfoNode.addComponent(PlayerInfo);
                }

                this.playerInfoComponents.set(playerData.playerId, playerInfoComponent);
                console.log('[UIGame] 创建玩家信息组件:', playerData.playerName);
            }

            // 更新玩家信息
            playerInfoComponent.updatePlayerInfo(playerData);
        }

        // 移除不再存在的玩家信息
        for (const [playerId, playerInfoComponent] of this.playerInfoComponents.entries()) {
            if (!currentPlayerIds.has(playerId)) {
                playerInfoComponent.node.destroy();
                this.playerInfoComponents.delete(playerId);
                console.log('[UIGame] 移除玩家信息组件:', playerId);
            }
        }
    }

    /**
     * 清理所有玩家信息组件
     */
    private clearPlayerInfoComponents(): void {
        for (const [playerId, playerInfoComponent] of this.playerInfoComponents.entries()) {
            if (playerInfoComponent && playerInfoComponent.node) {
                playerInfoComponent.node.destroy();
            }
        }
        this.playerInfoComponents.clear();

        // 释放预制体资源
        if (this.playerInfoPrefab) {
            ResMgr.getInstance().release('resources', 'res://UI/Game/PlayerInfo');
            this.playerInfoPrefab = null;
        }

        console.log('[UIGame] 已清理所有玩家信息组件');
    }

}