using System;
using System.Linq;
using System.Threading;
using System.Windows;
using System.Windows.Media.Imaging;
using Comal.Classes;
using InABox.Clients;
using InABox.Core;
using InABox.DynamicGrid;
using InABox.WPF;

namespace PRSDesktop;

public class CustomerContactGrid : DynamicDataGrid<CustomerContact>, ICustomerGrid
{
    
    private readonly BitmapImage tick = PRSDesktop.Resources.tick.AsBitmapImage();
    
    public CustomerContactGrid()
    {
        HiddenColumns.Add(x=>x.Customer.DefaultContact.ID);
        HiddenColumns.Add(x=>x.Contact.ID);
        HiddenColumns.Add(x=>x.Customer.ID);
        ActionColumns.Add(new DynamicImageColumn(IsDefaultImage, SelectDefaultAction) { Position = DynamicActionColumnPosition.Start });
    }
    
    protected override void DoReconfigure(DynamicGridOptions options)
    {
        base.DoReconfigure(options);
        options.AddRows = true;
        options.EditRows = true;
        options.SelectColumns = true;
        options.DeleteRows = true;
    }
    
    private BitmapImage? IsDefaultImage(CoreRow? row)
    {
        return row == null
            ? tick
            : row.Get<CustomerContact, Guid>(x => x.Customer.DefaultContact.ID) == row.Get<CustomerContact, Guid>(x => x.Contact.ID)
                ? tick
                : null;
    }

    private bool SelectDefaultAction(CoreRow? row)
    {
        if ((row == null) ||row.Get<CustomerContact, Guid>(x => x.Customer.DefaultContact.ID) == row.Get<CustomerContact, Guid>(x => x.Contact.ID))
            return false;
        using (new WaitCursor())
        {
            var customer = new Client<Customer>().Query(
                new Filter<Customer>(x => x.ID).IsEqualTo(row.Get<CustomerContact, Guid>(x => x.Customer.ID)),
                Columns.Required<Customer>().Add(x => x.ID).Add(x => x.DefaultContact.ID)
            ).Rows.FirstOrDefault()?.ToObject<Customer>();
            if (customer != null)
            {
                customer.DefaultContact.ID = row.Get<CustomerContact, Guid>(x => x.Contact.ID);
                new Client<Customer>().Save(customer, "Updated Default Contact");
                return true;
            }
        }
        return false;
    }

    public Customer Customer { get; set; } = new();

    protected override void Reload(
    	Filters<CustomerContact> criteria, Columns<CustomerContact> columns, ref SortOrder<CustomerContact>? sort,
    	CancellationToken token, Action<CoreTable?, Exception?> action)
    {
        criteria.Add(new Filter<CustomerContact>(x => x.Customer).LinkValid(Customer.ID));
        base.Reload(criteria, columns, ref sort, token, action);
    }

    public override CustomerContact CreateItem()
    {
        var result = base.CreateItem();
        result.Customer.ID = Customer.ID;
        result.Customer.Synchronise(Customer);
        return result;
    }

    protected override BaseEditor? GetEditor(object item, DynamicGridColumn column)
    {
        if (column.ColumnName.Equals("Customer.ID"))
            return new NullEditor();
        return base.GetEditor(item, column);
    }

    protected override void DoAdd(bool OpenEditorOnDirectEdit = false)
    {
        if (Customer.ID == Guid.Empty)
            MessageBox.Show("Please select a Customer first!");
        else
            base.DoAdd();
    }
}