using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Controls;
using Comal.Classes;
using InABox.Core;
using InABox.DynamicGrid;
using InABox.WPF;

namespace PRSDesktop;

public class CustomerReceipts : DynamicDataGrid<Receipt>, IPanel<Receipt>
{
    private bool Outstanding = true;

    public CustomerReceipts()
    {
        Options.AddRange(DynamicGridOption.RecordCount, DynamicGridOption.FilterRows, DynamicGridOption.SelectColumns, DynamicGridOption.MultiSelect);
        AddButton("Show All", PRSDesktop.Resources.view.AsBitmapImage(), ToggleView);
        OnBeforeSave += BeforeSave;
    }

    public bool IsReady { get; set; }

    public event DataModelUpdateEvent OnUpdateDataModel;

    public void CreateToolbarButtons(IPanelHost host)
    {
        //
    }

    public Dictionary<string, object[]> Selected()
    {
        return new Dictionary<string, object[]> { { typeof(Receipt).EntityName(), SelectedRows } };
    }

    public string SectionName => "Customer Receipts";

    public DataModel DataModel(Selection selection)
    {
        var ids = ExtractValues(x => x.ID, selection).ToArray();
        return new BaseDataModel<Receipt>(new Filter<Receipt>(x => x.ID).InList(ids));
    }

    public bool Focus()
    {
        return true;
    }

    public void Refresh()
    {
        Refresh(false, true);
    }

    public void Setup()
    {
        Refresh(true, false);
    }

    public void Shutdown()
    {
    }

    public void Heartbeat(TimeSpan time)
    {
    }

    private void BeforeSave(DynamicEditorForm editor, Receipt[] items)
    {
        if (items == null || items.Length != 1)
            return;

        if (!string.IsNullOrWhiteSpace(items[0].Notes))
            return;

        var page =
            editor.Pages.FirstOrDefault(x => x is DynamicManyToManyGrid<InvoiceReceipt, Receipt>) as DynamicManyToManyGrid<InvoiceReceipt, Receipt>;
        if (page != null)
        {
            var numbers = page.Data.Rows.Select(r => r.Get<InvoiceReceipt, int>(c => c.InvoiceLink.Number)).ToArray();
            items[0].Notes = string.Format("Invoice{0} {1}", numbers.Length > 1 ? "s" : "", string.Join(", ", numbers));
        }
    }

    private bool ToggleView(Button sender, CoreRow[] rows)
    {
        Outstanding = !Outstanding;
        UpdateButton(sender, PRSDesktop.Resources.view.AsBitmapImage(), Outstanding ? "Show All" : "Outstanding");
        return true;
    }

    protected override void Reload(Filters<Receipt> criteria, Columns<Receipt> columns, ref SortOrder<Receipt> sort,
        Action<CoreTable, Exception> action)
    {
        if (Outstanding)
            criteria.Add(new Filter<Receipt>(x => x.Reconciled).IsEqualTo(DateTime.MinValue));
        base.Reload(criteria, columns, ref sort, action);
    }
}