// Learn TypeScript:
//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/typescript.html
//  - [English] http://www.cocos2d-x.org/docs/creator/manual/en/scripting/typescript.html
// Learn Attribute:
//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/reference/attributes.html
//  - [English] http://www.cocos2d-x.org/docs/creator/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/life-cycle-callbacks.html
//  - [English] http://www.cocos2d-x.org/docs/creator/manual/en/scripting/life-cycle-callbacks.html

const {ccclass, property} = cc._decorator;

@ccclass
export default class GameData extends cc.Component {

    private static _instance: GameData = null;

    public selectedLevel: number = 1;

    public static get instance(): GameData {
        if (!this._instance) {
            this._instance = new GameData();
        }
        return this._instance;
    }

    // 🔹 Shooting speed (seconds per shot)
    public get enemyShootingInterval(): number {
        switch (this.selectedLevel) {
            case 1: return 8;
            case 2: return 6;
            case 3: return 4;
            case 4: return 2;
            default: return 8;
        }
    }

    // 🔹 Enemy spawn interval (seconds)
    public get enemySpawnInterval(): number {
        switch (this.selectedLevel) {
            case 1: return 6;
            case 2: return 8;
            case 3: return 10;
            case 4: return 12;
            default: return 6;
        }
    }

    // 🔹 Player speed
    public get enemyMoveTime(): number {
        switch (this.selectedLevel) {
            case 1: return 3;
            case 2: return 4;
            case 3: return 5;
            case 4: return 6;
            default: return 3;
        }
    }

    // 🔹 Any other level-based settings...
    public get enemyHealth(): number {
        return this.selectedLevel;
    }
}