/**
 * 商品数据
 */
import { BaseData } from "./BaseData";
import proto from 'db://assets/Scripts/proto/proto.pb.js';

export class ShopData extends BaseData {
  // 商品数据
  private _goods = new Map<number, proto.cs.IGood>();
  // 商品 id
  private _goodIds: number[] = [];

  public reset(): void {
    this._goods.clear();
    this._goodIds = [];
  }

  public clear(): void {
    this._goods.clear();
    this._goodIds = [];
  }

  public destroy(): void {
    super.destroy();
    this._goods = null;
    this._goodIds = null;
  }  

  /** 设置商品数据 */
  public set goods(res: proto.cs.ICSGetShopRes) {
    const list = res.Goods ?? [];
    this._goods.clear();
    this._goodIds = [];
    for (const g of list) {
      const vo: proto.cs.IGood = {
        id: g.id,                   // 商品 id
        name: g.name || "",         // 商品名字
        desc: g.desc || "",         // 商品描述
        price: g.price || "0.00",   // 商品价格
        count: g.count || 0,        // 商品数量
      };
      this._goods.set(vo.id, vo);
      this._goodIds.push(vo.id);
    }
    console.log("设置商品数据:", this._goods);
  }

  /** 获取所有商品数据 */
  public get goods(): Map<number, proto.cs.IGood> { return this._goods; }

  /** 获取所有商品数据的数量 */
  public get goodsCount(): number { return this._goods ? this._goods.size : 0; }

  /** 获取所有商品 id */
  public get goodIds(): number[] { return this._goodIds; }  

  /** 获取vip商品数据 */
  public get vipGoods(): proto.cs.IGood[] {
    return this._goodIds.map(id => this._goods.get(id)!).filter(g => g.id > 2000);
  }

  /** 获取普通商品数据 */
  public get normalGoods(): proto.cs.IGood[] {
    return this._goodIds.map(id => this._goods.get(id)!).filter(g => g.id <= 2000);
  }

  /** 根据商品 id 获取商品数据 */
  private getGoodDataById(id: number): proto.cs.IGood | null {
    if (!this._goods) return null;                 
    return this._goods.get(id) ?? null;
  }

  /** 根据商品 id 获取商品名字 */
  public getNameById(id: number): string | null {
    let oneData = this.getGoodDataById(id);
    if (!oneData) return null;
    return oneData.name;
  }

  /** 根据商品 id 获取商品描述 */
  public getDescById(id: number): string | null {
    let oneData = this.getGoodDataById(id);
    if (!oneData) return null;
    return oneData.desc;
  }

  /** 根据商品 id 获取商品价格 */
  public getPriceById(id: number): string | null {
    let oneData = this.getGoodDataById(id);
    if (!oneData) return null;
    return oneData.price;
  }

  /** 根据商品 id 获取商品数量 */
  public getCountById(id: number): number | null {
    let oneData = this.getGoodDataById(id);
    if (!oneData) return null;
    return oneData.count;
  }
}