using BBWY.Client.APIServices;
using BBWY.Client.Models;
using BBWY.Common.Models;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Threading.Tasks;
using System.Windows;

namespace BBWY.Client.ViewModels
{
    public class ChoosePurchaseSchemeViewModel : BaseVM, IDenpendency
    {
        private PurchaseService purchaseService;
        private GlobalContext globalContext;

        public string SkuId { get; set; }
        public IList<PurchaseScheme> PurchaseSchemeList { get; set; }

        public ChoosePurchaseSchemeViewModel(PurchaseService purchaseService, GlobalContext globalContext)
        {
            this.purchaseService = purchaseService;
            this.globalContext = globalContext;
            PurchaseSchemeList = new ObservableCollection<PurchaseScheme>();
        }

        protected override void Load()
        {
            PurchaseSchemeList.Clear();
            Task.Factory.StartNew(() => purchaseService.GetPurchaseSchemeList(SkuId, globalContext.User.Shop.ShopId)).ContinueWith(t =>
            {
                var r = t.Result;
                if (!r.Success)
                {
                    App.Current.Dispatcher.Invoke(() => MessageBox.Show(r.Msg, "获取采购方案"));
                    return;
                }

                App.Current.Dispatcher.Invoke(() =>
                {
                    foreach (var apiModel in r.Data) PurchaseSchemeList.Add(PurchaseScheme.Convert(apiModel));
                });
            });
        }

        protected override void Unload()
        {
            this.SkuId = string.Empty;
            PurchaseSchemeList.Clear();
        }
    }
}