import { _decorator, Component } from 'cc';

const { ccclass, property } = _decorator;

/**
 * ConfigManager 读取本地 JSON/Bundle 配置，并在登录后拉取服务端远程配置。
 */
@ccclass('ConfigManager')
export class ConfigManager extends Component {
    @property
    public remoteConfigUrl: string = '/api/v1/configs';

    private _local: Map<string, any> = new Map();
    private _remote: Map<string, any> = new Map();

    onLoad() {
        this._loadLocalConfig();
    }

    private _loadLocalConfig(): void {
        // TODO: 从本地 resources/config 加载基础配置
        this._local.set('ui', {});
    }

    /**
     * 从服务端拉取 Nacos 热更配置
     */
    public async fetchRemote(): Promise<void> {
        // TODO: 调用 HTTP 接口或 Nacos 配置接口
        this._remote.set('event', {});
    }

    public get<T = any>(key: string, defaultValue?: T): T | undefined {
        if (this._remote.has(key)) {
            return this._remote.get(key);
        }
        if (this._local.has(key)) {
            return this._local.get(key);
        }
        return defaultValue;
    }

    public setRemote(key: string, value: any): void {
        this._remote.set(key, value);
    }
}