import type { ApiResponse } from "../client/types";
import proto from "db://assets/Scripts/proto/proto.pb.js";
import type { IShopService } from "./IShopService";
import { PurchaseConfig } from "../../config/PurchaseConfig";
import { ConfigManager, ConfigId } from "../../manager/ConfigManager";
import { DataManager, DataId } from "../../data/DataManager";
import { GirlData } from "../../data/GirlData";
import { WalletData } from "../../data/WalletData";
import { ShopData } from "../../data/ShopData";

export class MockShopService implements IShopService {
  private delay(ms = 180) { return new Promise<void>(r => setTimeout(r, ms)); }
  private randInt(min: number, max: number) { return Math.floor(Math.random() * (max - min + 1)) + min; }
  private priceUSD(min = 0.99, max = 49.99) {
    const v = Math.random() * (max - min) + min;
    return v.toFixed(2); // 字符串，保留两位小数
  }

  private ok<T>(data: T): ApiResponse<T> {
    return ({ code: proto.cs.EnmRetCode.SUCCESS, data } as unknown) as ApiResponse<T>;
  }

  private genGood(id: number, name: string, count: number, price: number): proto.cs.IPurchaseConfig {
    return {
      id,
      name,
      count,
      price, 
    };
  }

  // 获取商品列表
  async reqShopList(req: proto.cs.ICSGetPurchaseReq): Promise<ApiResponse<proto.cs.ICSGetPurchaseRes>> {
    // 延时
    await this.delay();
    // 配置数据
    const configData = ConfigManager.I.getDataById<PurchaseConfig>(ConfigId.Purchase);
    const allId = configData.getAllId();
    let goodData: proto.cs.IPurchaseConfig[] = [];
    for (let id of allId) {
      let name = configData.getNameById(id);
      let count = configData.getCountById(id);
      let price = configData.getPriceById(id);
      let oneData = this.genGood(id, name, count, price);
      goodData.push(oneData);
    }
    // 返回数据
    const res: proto.cs.ICSGetPurchaseRes = { items: goodData };
    return this.ok(res);
  }

  // 使用余额购买商品
  async reqBuyGood(req: proto.cs.ICSBuyGoodReq): Promise<ApiResponse<proto.cs.ICSBuyGoodRes>> {
    // 延时
    await this.delay();
    // 请求数据
    const reqGirlId = req.girlId;
    const goodId = req.goodId;
    // 数据层的数据
    const girlData = DataManager.I.getDataById<GirlData>(DataId.Girl);
    const walletData = DataManager.I.getDataById<WalletData>(DataId.Wallet);
    const shopData = DataManager.I.getDataById<ShopData>(DataId.Shop);
    const category = girlData.getGrilCategoryById(reqGirlId);
    
    let chatRemainCount = 0;
    if (shopData.isRechargeId(goodId)) {
      // 充值
    } else if (shopData.isMemberId(goodId)) {
      // 会员
      chatRemainCount = -1;
    } else if (shopData.isChatId(goodId)) {
      // 聊天
      const curCount = girlData.getChatRemainCount(category.toString(), reqGirlId);
      chatRemainCount = curCount + shopData.getCountById(goodId);
    }
    // 余额
    const price = shopData.getPriceById(goodId);
    let balanceNumber = Number(walletData.balance) - Number(price);
    let balance = balanceNumber.toString();
    // vip 30天后过期
    const nowSeconds = Math.floor(Date.now() / 1000);
    let vipExpire = nowSeconds + 30 * 24 * 3600;   
    // 返回数据
    const res: proto.cs.ICSBuyGoodRes = {
      balance,
      vipExpire, 
      chatRemainCount,       
    };
    return this.ok(res);
  }  
}