import { _decorator, Component, Node, Vec3, Prefab, instantiate, Label, Color, tween, SkeletalAnimation } from 'cc';
import { resLoader } from '../../../core_tgx/base/utils/ResLoader';
import { ModuleDef } from '../../../scripts/ModuleDef';
import { UserMgr } from 'db://assets/module_basic/scripts/UserMgr';
const { ccclass, property } = _decorator;

@ccclass('RoleManager')
export class RoleManager extends Component {
    @property
    private readonly maxPlayerCount: number = 36; // 人数上限

    currentPlayerCount: number = 0; // 当前人数
    private roles: Node[] = []; // 存储角色节点

    @property
    private readonly minRoleId: number = 1;           // 最小角色ID

    @property
    private readonly maxRoleId: number = 5;           // 最大角色ID


    @property({ type: Label })
    public playerCountLabel: Label; // 显示人数的Label

    @property({ type: Node })
    public roleManagerNode: Node; // RoleManager 的节点

    private innerCirclePositions: Vec3[] = []; // 存储内圈角色位置
    private outerCirclePositions: Vec3[] = []; // 存储外圈角色位置
    start() {
        try {
            // 确保 roles 数组存在
            if (!this.roles) {
                this.roles = [];
            }
            
            this.initializeRolePositions();
            this.schedule(() => {
                this.createPlayer();
                return Math.random() * 0.9 + 0.1;
            }, 0.1);
        } catch (error) {
            console.error('Error in RoleManager start:', error);
            this.unscheduleAllCallbacks(); // 出错时确保清理定时器
        }
    }

    private initializeRolePositions() {
        const innerRadius = 4.5; // 内圈半径
        const outerRadius = 6; // 外圈半径
        const innerCount = 20; // 内圈角色数量
        const outerCount = 16; // 外圈角色数量

        // 生成内圈位置
        const innerAngleStep = 360 / innerCount;
        for (let i = 0; i < innerCount; i++) {
            const angle = i * innerAngleStep;
            const angleInRadians = angle * Math.PI / 180;
            const x = Math.sin(angleInRadians) * innerRadius;
            const z = Math.cos(angleInRadians) * innerRadius;
            this.innerCirclePositions.push(new Vec3(x, 0, z));
        }

        // 生成外圈位置
        const outerAngleStep = 360 / outerCount;
        for (let i = 0; i < outerCount; i++) {
            const angle = i * outerAngleStep;
            const angleInRadians = angle * Math.PI / 180;
            const x = Math.sin(angleInRadians) * outerRadius;
            const z = Math.cos(angleInRadians) * outerRadius;
            this.outerCirclePositions.push(new Vec3(x, 0, z));
        }
    }

    private createPlayer() {
        if (this.currentPlayerCount < this.maxPlayerCount) {
            this.currentPlayerCount++;
            this.animateNumber(this.currentPlayerCount, 0.8); // 动画更新人数
            this.createRole(); // 创建角色

            if (this.currentPlayerCount >= this.maxPlayerCount) {
                {
                    this.scheduleOnce(() => {
                        this.clearRoles(); // 清除角色
                        this.currentPlayerCount = 0;
                        this.animateNumber(this.currentPlayerCount, 0.8); // 动画更新人数 // 清零
                    }, 10);
                }
            }
        }
    }

    private createRole() {
        // 确保 roles 数组存在
        if (!this.roles) {
            this.roles = [];
        }

        // 随机选择内圈或外圈位置
        const isInnerCircle = Math.random() < 0.5; // 50% 概率选择内圈
        const positions = isInnerCircle ? this.innerCirclePositions : this.outerCirclePositions;

        // 随机选择一个未使用的位置
        const availablePositions = positions.filter(pos =>
            !this.roles.some(role => Vec3.equals(role.position, pos))
        );
        if (availablePositions.length === 0) return;

        const randomIndex = Math.floor(Math.random() * availablePositions.length);
        const position = availablePositions[randomIndex];

        // 随机角色ID（1-5）
        const roleId = Math.floor(Math.random() * (this.maxRoleId - this.minRoleId + 1)) + this.minRoleId;
        const roleIdStr = ('000' + roleId).slice(-3);

        resLoader.load(ModuleDef.Arean, `common/role/Character${roleIdStr}`, (err: Error | null, prefab: Prefab) => {
            if (!err && prefab) {
                try {
                    const role = instantiate(prefab);
                    if (role && this.node && this.node.isValid) {
                        role.setParent(this.node);
                        role.setPosition(position);
                        this.roles.push(role);
                        // 获取动画组件
                        const skelAnim = role.getComponentInChildren(SkeletalAnimation);
                        //skelAnim.crossFade("player_jump1", 0.5);
                        skelAnim.crossFade("player_idle1", 0.5);
                        skelAnim.once(SkeletalAnimation.EventType.FINISHED, () => { skelAnim.crossFade("player_idle1", 0.5); }, this);

                        // 计算朝向中心点的方向
                        const forward = new Vec3();
                        Vec3.subtract(forward, new Vec3(0, 0, 0), position);
                        forward.normalize();

                        // 设置角色朝向

                        const euler = new Vec3(0, Math.atan2(forward.x, forward.z) * 180 / Math.PI, 0);
                        role.eulerAngles = euler;

                        // 添加角色名字NameLabel
                        const nameLabel = role.getChildByName("NameLabel");
                        if (nameLabel) {
                            const labelComponent = nameLabel.getComponent(Label);
                            if (labelComponent) {
                                labelComponent.string = `player${this.currentPlayerCount}`;
                                labelComponent.color = new Color(255, 255, 255, 255);
                            }
                        }
                    }
                } catch (error) {
                    console.error('Error creating role:', error);
                }
            }
        });
    }

    private clearRoles() {
        // 移除所有角色前先停止它们的动画和 tween
        this.roles.forEach(role => {
            if (!role || !role.isValid) return;
            
            try {
                // 停止 tween
                tween(role).stop();
                
                // 停止动画
                const skelAnim = role.getComponentInChildren(SkeletalAnimation);
                if (skelAnim && skelAnim.isValid) {
                    skelAnim.stop();
                }
                
                role.destroy();
            } catch (error) {
                console.error('Error cleaning up role:', error);
            }
        });
        this.roles = [];
    }

    private animateNumber(targetCount: number, duration: number) {
        try {
            const startCount = parseInt(this.playerCountLabel.string.split('/')[0]);
            const tweenObj = { value: startCount };

            // 停止之前的 tween
            tween(tweenObj).stop();

            tween(tweenObj)
                .to(duration, { value: targetCount }, {
                    onUpdate: () => {
                        if (this.playerCountLabel && this.playerCountLabel.isValid) {
                            this.playerCountLabel.string = `${Math.round(tweenObj.value)}/${this.maxPlayerCount}`;
                        }
                    },
                    onComplete: () => {
                        if (this.playerCountLabel && this.playerCountLabel.isValid) {
                            this.playerCountLabel.string = `${targetCount}/${this.maxPlayerCount}`;
                        }
                    }
                })
                .start();
        } catch (error) {
            console.error('Error in animateNumber:', error);
            // 出错时直接设置最终值
            if (this.playerCountLabel && this.playerCountLabel.isValid) {
                this.playerCountLabel.string = `${targetCount}/${this.maxPlayerCount}`;
            }
        }
    }

    onDestroy() {
        try {
            // 停止所有定时器
            this.unscheduleAllCallbacks();
            
            // 确保 roles 数组存在且有效
            if (this.roles) {
                this.roles.forEach(role => {
                    if (role && role.isValid) {
                        try {
                            // 停止 tween
                            tween(role).stop();
                            
                            // 停止动画
                            const skelAnim = role.getComponentInChildren(SkeletalAnimation);
                            if (skelAnim && skelAnim.isValid) {
                                skelAnim.stop();
                            }
                            
                            // 停止名字标签的 tween
                            const nameLabel = role.getChildByName("NameLabel");
                            if (nameLabel && nameLabel.isValid) {
                                tween(nameLabel).stop();
                            }
                            
                            role.destroy();
                        } catch (error) {
                            console.error('Error cleaning up role:', error);
                        }
                    }
                });
            }
            this.roles = [];
            
            // 停止计数器动画
            if (this.playerCountLabel && this.playerCountLabel.isValid) {
                tween(this.playerCountLabel.node).stop();
            }
        } catch (error) {
            console.error('Error in RoleManager onDestroy:', error);
        }
    }
}