import { EventTarget } from 'cc';

/**
 * 全局事件总线，用于模块间解耦通信。
 */
export enum GameEvents {
    // 游戏状态事件
    GAME_START = 'GAME_START',
    GAME_PAUSE = 'GAME_PAUSE',
    GAME_RESUME = 'GAME_RESUME',
    GAME_SUCCESS = 'GAME_SUCCESS',
    GAME_DEFEAT = 'GAME_DEFEAT',
    
    // 游戏重置事件
    GAME_RESTART = 'GAME_RESTART',
    GAME_RESET_REQUEST = 'GAME_RESET_REQUEST',
    GAME_RESET_COMPLETE = 'GAME_RESET_COMPLETE',
    
    // 组件重置事件
    RESET_GAME_MANAGER = 'RESET_GAME_MANAGER',
    RESET_ENEMY_CONTROLLER = 'RESET_ENEMY_CONTROLLER',
    RESET_BALL_CONTROLLER = 'RESET_BALL_CONTROLLER',
    RESET_BLOCK_MANAGER = 'RESET_BLOCK_MANAGER',
    RESET_BLOCK_SELECTION = 'RESET_BLOCK_SELECTION',
    RESET_WALL_HEALTH = 'RESET_WALL_HEALTH',
    RESET_GAME_PAUSE = 'RESET_GAME_PAUSE',
    RESET_UI_STATES = 'RESET_UI_STATES',
    RESET_ENERGY_SYSTEM = 'RESET_ENERGY_SYSTEM',
    
    // 游戏对象清理事件
    CLEAR_ALL_BULLETS = 'CLEAR_ALL_BULLETS',
    CLEAR_ALL_ENEMIES = 'CLEAR_ALL_ENEMIES',
    CLEAR_ALL_GAME_OBJECTS = 'CLEAR_ALL_GAME_OBJECTS',
    
    // UI事件
    SHOP_UPDATED = 'SHOP_UPDATED',
    BLOCK_SELECTION_OPEN = 'BLOCK_SELECTION_OPEN',
    BLOCK_SELECTION_CLOSE = 'BLOCK_SELECTION_CLOSE',
    SHOW_GAME_BLOCK_SELECTION = 'SHOW_GAME_BLOCK_SELECTION',
    SHOW_BLOCK_SELECTION = 'SHOW_BLOCK_SELECTION',
    
    // 敌人控制事件
    ENEMY_SPAWN_START = 'ENEMY_SPAWN_START',
    ENEMY_SPAWN_STOP = 'ENEMY_SPAWN_STOP',
    ENEMY_ALL_PAUSE = 'ENEMY_ALL_PAUSE',
    ENEMY_ALL_RESUME = 'ENEMY_ALL_RESUME',
    
    // 墙体事件
    WALL_HEALTH_CHANGED = 'WALL_HEALTH_CHANGED',
    WALL_DESTROYED = 'WALL_DESTROYED',
    WALL_TAKE_DAMAGE = 'WALL_TAKE_DAMAGE',
    
    // 球控制事件
    BALL_CREATE = 'BALL_CREATE',
    BALL_START = 'BALL_START',
    BALL_CREATE_ADDITIONAL = 'BALL_CREATE_ADDITIONAL',
    BALL_FIRE_BULLET = 'BALL_FIRE_BULLET',
    
    // 敌人控制事件
    ENEMY_TAKE_DAMAGE = 'ENEMY_TAKE_DAMAGE',
    ENEMY_SPAWN_REQUEST = 'ENEMY_SPAWN_REQUEST',
    ENEMY_GET_NEAREST = 'ENEMY_GET_NEAREST',
    ENEMY_UPDATE_COUNT = 'ENEMY_UPDATE_COUNT',
    ENEMY_CHECK_ACTIVE = 'ENEMY_CHECK_ACTIVE',
    ENEMY_CHECK_GAME_STARTED = 'ENEMY_CHECK_GAME_STARTED',
    ENEMY_GET_COUNT = 'ENEMY_GET_COUNT',
    ENEMY_START_WAVE = 'ENEMY_START_WAVE',
    ENEMY_START_GAME = 'ENEMY_START_GAME',
    ENEMY_SHOW_START_WAVE_PROMPT = 'ENEMY_SHOW_START_WAVE_PROMPT',
    
    // 游戏状态检查事件
    GAME_CHECK_OVER = 'GAME_CHECK_OVER',
    
    // 方块选择事件
    BLOCK_SELECTION_HIDE = 'BLOCK_SELECTION_HIDE',
    BLOCK_SELECTION_SHOW = 'BLOCK_SELECTION_SHOW',
    
    // 子弹事件
    BULLET_CREATE_REQUEST = 'BULLET_CREATE_REQUEST',
    BULLET_HIT_ENEMY = 'BULLET_HIT_ENEMY'
}

export default class EventBus extends EventTarget {
    private static _instance: EventBus;

    private constructor() {
        super();
    }

    public static getInstance(): EventBus {
        if (!this._instance) {
            this._instance = new EventBus();
        }
        return this._instance;
    }

    // 重写emit方法，添加黄色字体的日志输出
    emit(type: string, ...args: any[]): void {
        console.log(`%c[EventBus] 发送事件: ${type}`, 'color: #FFD700; font-weight: bold;', args.length > 0 ? args : '');
        super.emit(type, ...args);
    }

}