using System;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using Comal.Classes;
using InABox.Core;
using InABox.DynamicGrid;
using InABox.WPF;
using PRS.Shared;
using PRSDesktop.Utils;

namespace PRSDesktop
{
    internal class InvoiceLineGrid : DynamicDataGrid<InvoiceLine>
    {
        public InvoiceLineGrid()
        {
            Options.AddRange(DynamicGridOption.RecordCount, DynamicGridOption.AddRows, DynamicGridOption.DeleteRows, DynamicGridOption.EditRows,
                DynamicGridOption.SelectColumns, DynamicGridOption.MultiSelect);
            AddButton("Calculate", PRSDesktop.Resources.costcentre.AsBitmapImage(), CalculateLines);
        }

        public Guid InvoiceID { get; set; }

        private bool CalculateLines(Button sender, CoreRow[] rows)
        {
            InvoiceCalculationSelector selector = new InvoiceCalculationSelector()
            {
                TimeCalculation = InvoiceTimeCalculation.Activity,
                MaterialCalculation = InvoiceMaterialCalculation.Product
            };
            if (selector.ShowDialog() == true)
            {
                var time = selector.TimeCalculation;
                var materials = selector.MaterialCalculation;
                Progress.ShowModal("Calculating Invoice", progress => InvoiceUtilities.GenerateInvoiceLines(InvoiceID, time, materials, progress));
                return true;
            }

            MessageBox.Show("Please Select or Create an Invoice First!");
            return false;
        }

        protected override void Reload(Filters<InvoiceLine> criteria, Columns<InvoiceLine> columns, ref SortOrder<InvoiceLine> sort,
            Action<CoreTable, Exception> action)
        {
            criteria.Add(new Filter<InvoiceLine>(x => x.InvoiceLink.ID).IsEqualTo(InvoiceID));
            base.Reload(criteria, columns, ref sort, action);
        }

        protected override InvoiceLine CreateItem()
        {
            var result = base.CreateItem();
            result.InvoiceLink.ID = InvoiceID;
            return result;
        }
    }
}