import { Node, Vec3, Tween, tween } from 'cc';
import { Position } from '../../Shared/protocols/base';
import { RoleController } from '../../CC/RoleController';

/**
 * RemotePlayer 远程玩家
 * 负责管理远程玩家的显示和位置同步
 */
export class RemotePlayer {
    /** 玩家节点 */
    private playerNode: Node = null;

    /** 玩家ID */
    private playerId: string = '';

    /** 玩家名称 */
    private playerName: string = '';

    /** 当前位置 */
    private currentPosition: Vec3 = new Vec3();

    /** 目标位置 */
    private targetPosition: Vec3 = new Vec3();

    /** 角色控制器(控制动画) */
    private roleController: RoleController = null;

    /** 移动补间 */
    private moveTween: Tween<Node> = null;

    /** 是否正在移动 */
    private isMoving: boolean = false;

    /**
     * 初始化远程玩家
     */
    public init(playerNode: Node, playerId: string, playerName: string, position: Position): void {
        this.playerNode = playerNode;
        this.playerId = playerId;
        this.playerName = playerName;
        this.currentPosition.set(position.x, 0, position.y);
        this.targetPosition.set(position.x, 0, position.y);

        // 获取 RoleController 组件
        this.roleController = this.playerNode.getComponentInChildren(RoleController);
        if (!this.roleController) {
            console.warn('[RemotePlayer] 未找到 RoleController 组件');
        } else {
            // 初始播放待机动画
            this.roleController.PlayAnimation('idle', true);
        }

        console.log('[RemotePlayer] 初始化完成:', playerName);
    }

    /**
     * 更新位置
     * 收到服务器广播的移动消息时调用
     */
    public updatePosition(position: Position): void {
        this.targetPosition.set(position.x, 0, position.y);

        // 计算移动方向和距离
        const direction = this.targetPosition.clone().subtract(this.currentPosition);
        const distance = direction.length();

        // 如果距离太小,不做处理
        if (distance < 0.1) {
            return;
        }

        // 停止之前的移动补间
        if (this.moveTween) {
            this.moveTween.stop();
            this.moveTween = null;
        }

        // 计算朝向
        if (distance > 0.01) {
            const targetAngle = Math.atan2(direction.x, -direction.z) * (180 / Math.PI);
            this.playerNode.setRotationFromEuler(0, targetAngle, 0);
        }

        // 播放移动动画
        if (!this.isMoving) {
            this.isMoving = true;
            if (this.roleController) {
                this.roleController.PlayAnimation('move', true);
            }
        }

        // 计算移动时间(根据距离,假设速度为5单位/秒)
        const moveSpeed = 5;
        const moveDuration = distance / moveSpeed;

        // 创建移动补间
        this.moveTween = tween(this.playerNode)
            .to(moveDuration, { position: this.targetPosition }, {
                onUpdate: (target, ratio) => {
                    // 更新当前位置
                    this.currentPosition.set(this.playerNode.position);
                },
                onComplete: () => {
                    // 移动完成,播放待机动画
                    this.isMoving = false;
                    if (this.roleController) {
                        this.roleController.PlayAnimation('idle', true);
                    }
                    this.moveTween = null;
                }
            })
            .start();
    }

    /**
     * 获取玩家ID
     */
    public getPlayerId(): string {
        return this.playerId;
    }

    /**
     * 获取玩家名称
     */
    public getPlayerName(): string {
        return this.playerName;
    }

    /**
     * 获取玩家节点
     */
    public getPlayerNode(): Node {
        return this.playerNode;
    }

    /**
     * 销毁远程玩家
     */
    public destroy(): void {
        // 停止移动补间
        if (this.moveTween) {
            this.moveTween.stop();
            this.moveTween = null;
        }

        // 销毁节点
        if (this.playerNode) {
            this.playerNode.destroy();
            this.playerNode = null;
        }

        this.roleController = null;

        console.log('[RemotePlayer] 已销毁:', this.playerName);
    }
}