using Muchinfo.MTPClient.Data.Model;
using Muchinfo.MTPClient.Infrastructure.Cache;
using Muchinfo.MTPClient.Infrastructure.Users;
using Muchinfo.MTPClient.IService;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using Muchinfo.PC.Common.Extensions;

namespace Muchinfo.MTPClient.Service
{
    public class FavoriteService : IFavoriteService
    {
        /// <summary>
        /// 获取自选商品列表
        /// </summary>
        /// <param name="favoriteId">The favorite identifier.</param>
        /// <returns>ObservableCollection{QuoteGoods}.</returns>
        public ObservableCollection<QuoteGoods> GetMyFavoriteGoodses(uint favoriteId)
        {
            var list = FavoriteManager.GetMyFavorites();
            if (list == null) return null;
            var item = list.FirstOrDefault(z => z.Id == favoriteId);
            if (item == null) return null;
            var goodsList = item.FavoriteGoodses;
            if (goodsList == null || !goodsList.Any()) return null;
            var result = new ObservableCollection<QuoteGoods>();
            var cacheGoodsList = CacheManager.CacheGoodsBaseInfos;
            if (cacheGoodsList == null || !cacheGoodsList.Any()) return null;
            var sortList = goodsList.OrderBy(z => z.ShowIndex);
            foreach (var localGoods in sortList)
            {
                if (localGoods == null) continue;
                var goods = cacheGoodsList.FirstOrDefault(z => z.Symbol.ToUpper() == localGoods.Symbol.ToUpper());
                if (goods == null) continue;
                //goods.IsSelected = true;
                result.Add(goods);
            }

            //默认按商品代码排序
            return result.OrderBy(z=>z.GoodsCode).ToObservableCollection();
        }

        /// <summary>
        /// 添加商品到我的自选
        /// </summary>
        /// <param name="favoriteId">The favorite identifier.</param>
        /// <param name="goods">The goods.</param>
        public void AddToMyFavorite(uint favoriteId, QuoteGoods goods)
        {
            var list = FavoriteManager.GetMyFavorites();
            if (list == null) return;
            var item = list.FirstOrDefault(z => z.Id == favoriteId);
            if (item == null) return;
            var localGoodsList = item.FavoriteGoodses == null ? new List<LocalGoods>() : item.FavoriteGoodses.ToList();
            var quoteItem = localGoodsList.FirstOrDefault(z => z.Symbol.ToUpper() == goods.Symbol.ToUpper());
            if (quoteItem == null)
            {
                var showIndex = localGoodsList.Count > 0 ? localGoodsList.Max(z => z.ShowIndex) + 1 : 1;
                localGoodsList.Add(new LocalGoods()
                {
                    Symbol = goods.Symbol,
                    ShowIndex = showIndex
                });
            }
            item.FavoriteGoodses = localGoodsList;
            FavoriteManager.AddOrUpdateMyFavorites(item);
        }

        /// <summary>
        /// 从自选删除
        /// </summary>
        /// <param name="favoriteId">The favorite identifier.</param>
        /// <param name="goods">The goods.</param>
        public void RemoveFromMyFavorite(uint favoriteId, QuoteGoods goods)
        {
            var list = FavoriteManager.GetMyFavorites();
            if (list == null) return;
            var item = list.FirstOrDefault(z => z.Id == favoriteId);
            if (item == null) return;
            var localGoodsList = item.FavoriteGoodses == null ? new List<LocalGoods>() : item.FavoriteGoodses.ToList();
            var quoteItem = localGoodsList.FirstOrDefault(z => z.Symbol.ToUpper() == goods.Symbol.ToUpper());
            if (quoteItem == null) return;
            localGoodsList.Remove(quoteItem);
            item.FavoriteGoodses = localGoodsList;
            FavoriteManager.AddOrUpdateMyFavorites(item);
        }

        /// <summary>
        /// 获取所属自选
        /// </summary>
        /// <param name="goods">The goods.</param>
        /// <returns>List{MyFavorite}.</returns>
        public List<MyFavorite> GetParentFavorites(QuoteGoods goods)
        {
            var list = FavoriteManager.GetMyFavorites();
            if (list == null || !list.Any()) return null;
            var result = new List<MyFavorite>();
            foreach (var myFavorite in list)
            {
                if (myFavorite == null || myFavorite.FavoriteGoodses == null || !myFavorite.FavoriteGoodses.Any()) continue;
                var item = myFavorite.FavoriteGoodses.FirstOrDefault(z => z.Symbol.ToUpper() == goods.Symbol.ToUpper());
                if (item == null) continue;
                result.Add(myFavorite);
            }
            return result;
        }
    }
}