import { _decorator } from 'cc';
import { BaseSingleton } from '../Core/BaseSingleton';
import EventBus, { GameEvents } from '../Core/EventBus';
import { PhysicsManager } from '../Core/PhysicsManager';
import { EnemyController } from '../CombatSystem/EnemyController';
const { ccclass } = _decorator;

@ccclass('CombatStateManager')
export class CombatStateManager extends BaseSingleton {
    public static _instance: CombatStateManager;

    protected init() {
        const bus = EventBus.getInstance();
        bus.on(GameEvents.GAME_START, this.onStart, this);
        bus.on(GameEvents.GAME_PAUSE, this.onPause, this);
        bus.on(GameEvents.GAME_RESUME, this.onResume, this);
        bus.on(GameEvents.GAME_SUCCESS, this.onEnd, this);
        bus.on(GameEvents.GAME_DEFEAT, this.onEnd, this);
    }

    private onStart() {
        const system = PhysicsManager.getInstance()?.getSystem();
        if (system) system.enable = true;
        EnemyController.getInstance()?.resumeSpawning();
    }

    private onPause() {
        const sys = PhysicsManager.getInstance()?.getSystem();
        if (sys) sys.enable = false;
        EnemyController.getInstance()?.pauseSpawning();
    }

    private onResume() {
        const s = PhysicsManager.getInstance()?.getSystem();
        if (s) s.enable = true;
        EnemyController.getInstance()?.resumeSpawning();
    }

    private onEnd() {
        EnemyController.getInstance()?.pauseSpawning();
    }
}