using CommunityToolkit.Mvvm.ComponentModel;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;

namespace BBWYB.Client.Models
{
    /// <summary>
    /// 采购方案
    /// </summary>
    public class PurchaseScheme : ObservableObject
    {
        private decimal defaultCost;
        private decimal realCost;
        public long Id { get; set; }

        public long ShopId { get; set; }
        public string ProductId { get; set; }

        public string SkuId { get; set; }
        public decimal DefaultCost { get => defaultCost; set { SetProperty(ref defaultCost, value); } }
        public decimal RealCost { get => realCost; set { SetProperty(ref realCost, value); } }

        //public string PurchaserId { get; set; }
        //public string PurchaserId2 { get; set; }
        public string PurchaserName { get; set; }
        //public string PurchaserLocation { get; set; }
        public string PurchaseProductId1 { get; set; }
        public int PurchaseProductSkuCount1 { get; set; }
        public string PurchaseProductId2 { get; set; }
        public int PurchaseProductSkuCount2 { get; set; }
        public string PurchaseProductId3 { get; set; }
        public int PurchaseProductSkuCount3 { get; set; }
        public string PurchaseProductId4 { get; set; }
        public int PurchaseProductSkuCount4 { get; set; }

        /// <summary>
        /// 采购平台
        /// </summary>
        //public Platform PurchasePlatform { get; set; }

        /// <summary>
        /// 最后采购时间
        /// </summary>
        public DateTime? LastPurchaseTime { get; set; }

        /// <summary>
        /// 采购方案的商品集合
        /// </summary>
        public IList<PurchaseSchemeProduct> PurchaseSchemeProductList { get; set; }

        public List<Purchaser> PurchaserList { get; set; }

        public PurchaseScheme()
        {
            PurchaseSchemeProductList = new ObservableCollection<PurchaseSchemeProduct>();
            PurchaserList = new List<Purchaser>();
        }

        /// <summary>
        /// 是否转换方案中已选中的sku
        /// </summary>
        /// <param name="apiModel"></param>
        /// <param name="convertSelectedSku"></param>
        /// <returns></returns>
        public static PurchaseScheme Convert(PurchaseSchemeResponse apiModel)
        {
            var model = new PurchaseScheme()
            {
                Id = apiModel.Id,
                ProductId = apiModel.ProductId,
                SkuId = apiModel.SkuId,
                DefaultCost = apiModel.DefaultCost ?? 0,
                RealCost = apiModel.RealCost ?? 0
                //PurchaserId = apiModel.PurchaserId,
                //PurchaserName = apiModel.PurchaserName,
                //PurchaserLocation = apiModel.PurchaserLocation,
                //PurchasePlatform = apiModel.PurchasePlatform
            };
            foreach (var p in apiModel.PurchaserList)
            {
                model.PurchaserList.Add(p);
            }
            model.PurchaserName = model.PurchaserList.Count() == 1 ? model.PurchaserList[0].Name : $"{model.PurchaserList[0].Name}等{model.PurchaserList.Count()}个采购商";
            foreach (var apiProduct in apiModel.PurchaseSchemeProductList)
            {
                model.PurchaseSchemeProductList.Add(PurchaseSchemeProduct.Convert(apiProduct));
            }
            for (var i = 0; i < model.PurchaseSchemeProductList.Count; i++)
            {
                var purchaseProductId = model.PurchaseSchemeProductList[i].PurchaseProductId;
                var purchaseProductSkuCount = model.PurchaseSchemeProductList[i].PurchaseSkuCount;
                if (i == 0)
                {
                    model.PurchaseProductId1 = purchaseProductId;
                    model.PurchaseProductSkuCount1 = purchaseProductSkuCount;
                }
                else if (i == 1)
                {
                    model.PurchaseProductId2 = purchaseProductId;
                    model.PurchaseProductSkuCount2 = purchaseProductSkuCount;
                }
                else if (i == 2)
                {
                    model.PurchaseProductId3 = purchaseProductId;
                    model.PurchaseProductSkuCount3 = purchaseProductSkuCount;
                }
                else if (i == 3)
                {
                    model.PurchaseProductId4 = purchaseProductId;
                    model.PurchaseProductSkuCount4 = purchaseProductSkuCount;
                }
            }
            return model;
        }
    }
}