using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Comal.Classes;
using InABox.Core;
using InABox.Mobile;
using Xamarin.Forms;
using Xamarin.Forms.Xaml;

namespace PRS.Mobile
{
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class ConsignmentEditItemsView 
    {
        public ConsignmentEditItemsView()
        {
            InitializeComponent();
        }

        public override void Refresh()
        {
            //throw new NotImplementedException();
        }

        private void _search_OnTextChanged(object sender, MobileSearchBarTextChangedArgs args)
        {
            //throw new NotImplementedException();
            //Refresh();
        }

        public void AddPOItems()
        {
            ShowPopup(() => SelectionView.Execute<PurchaseOrderShell>(
                (columns) =>
                {
                    columns.Add(new MobileGridTextColumn<PurchaseOrderShell>()
                    {
                        Column = x => x.PONumber,
                        Width = GridLength.Auto,
                        Caption = "Number",
                        Alignment = TextAlignment.Start
                    });
                    columns.Add(new MobileGridTextColumn<PurchaseOrderShell>()
                    {
                        Column = x => x.SupplierName,
                        Width = GridLength.Star,
                        Caption = "Select Purchase Order",
                        Alignment = TextAlignment.Start
                    });
                },
                (refresh) =>
                {
                    var model = new PurchaseOrderModel(App.Data,
                        () => new Filter<PurchaseOrder>(x => x.IssuedDate).IsNotEqualTo(DateTime.MinValue)
                            .And(x=>x.ClosedDate).IsEqualTo(DateTime.MinValue)
                            .And(x=>x.CancelledDate).IsEqualTo(DateTime.MinValue)
                            .And(x=>x.Unreceived).IsNotEqualTo(FilterConstant.Null)) { FileName = "consigment_orders.index" };
                    return model.Refresh(false);
                },
                (orders) =>
                {
                    var model = new PurchaseOrderItemModel(App.Data,
                        () => new Filter<PurchaseOrderItem>(x => x.PurchaseOrderLink.ID).IsEqualTo(orders.FirstOrDefault()?.ID ?? Guid.Empty));
                    model.Refresh(false);
                    foreach (var item in model.Items)
                    {
                        var newitem = ViewModel.Items.AddItem();
                        newitem.Row.LoadValues(item.Row.Values);
                    }
                    Dispatcher.BeginInvokeOnMainThread(() =>
                    {
                        _itemsList.ItemsSource = null;
                        _itemsList.ItemsSource = ViewModel.Items;
                    });
                    DismissPopup();
                }));
        }

        private void SelectPOItem_Clicked(object sender, EventArgs e)
        {
            if ((sender as MobileCard)?.BindingContext is PurchaseOrderItemShell item)
            {
                var page = new ConsignmentEditItem(item);
                Navigation.PushAsync(page);
            }
        }
    }
}