import type { ApiResponse } from "../client/types";
import proto from "db://assets/Scripts/proto/proto.pb.js";
import type { IShopService } from "./IShopService";
import { HttpShopService } from "./HttpShopService";
import { MockShopService } from "./MockShopService";

// 模拟开关
const USE_MOCK = true;

export class ShopService implements IShopService {
  private static _I: ShopService | null = null;
  public static get I(): ShopService {
    if (!ShopService._I) ShopService._I = new ShopService();
    return ShopService._I;
  }

  private impl: IShopService;

  private constructor() {
    this.impl = USE_MOCK ? new MockShopService() : new HttpShopService();
  }

  /** 运行期切换 */
  public switch(useMock: boolean) {
    this.impl = useMock ? new MockShopService() : new HttpShopService();
  }

  // 获取商品列表
  public async reqShopList(req: proto.cs.ICSGetShopReq): Promise<ApiResponse<proto.cs.ICSGetShopRes>> {
    return this.impl.reqShopList(req);
  }
}