using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Windows.Media.Imaging;
using Comal.Classes;
using InABox.Clients;
using InABox.Core;
using InABox.DynamicGrid;
using InABox.DynamicGrid.Spreadsheet;
using InABox.WPF;
using net.sf.mpxj.phoenix.schema.phoenix4;

namespace PRSDesktop.Components.Spreadsheet
{
    public class SpreadsheetTemplateGrid : DynamicDataGrid<SpreadsheetTemplate>
    {
        
        public Type AppliesTo { get; set; }
        
        protected override void Init()
        {
            base.Init();

            ActionColumns.Add(new DynamicImageColumn(EditImage, EditSpreadsheet) { Position = DynamicActionColumnPosition.Start });
        }

        protected override void DoReconfigure(DynamicGridOptions options)
        {
            base.DoReconfigure(options);
            options.Clear();
            options.AddRows = true;
            options.EditRows = true;
            options.DeleteRows = true;
            options.RecordCount = true;
        }

        protected override void Reload(
        	Filters<SpreadsheetTemplate> criteria, Columns<SpreadsheetTemplate> columns, ref SortOrder<SpreadsheetTemplate>? sort,
        	CancellationToken token, Action<CoreTable?, Exception?> action)
        {
            criteria.Add(new Filter<SpreadsheetTemplate>(c => c.AppliesTo).IsEqualTo(AppliesTo.EntityName().Split(".").Last()));
            base.Reload(criteria, columns, ref sort, token, action);
        }

        public override SpreadsheetTemplate CreateItem()
        {
            var result = base.CreateItem();
            result.AppliesTo = AppliesTo.EntityName().Split(".").Last();
            return result;
        }

        private BitmapImage EditImage(CoreRow? arg)
        {
            return PRSDesktop.Resources.pencil.AsBitmapImage();
        }

        private bool EditSpreadsheet(CoreRow? row)
        {
            var spreadsheet = LoadItem(row);
            var window = new SpreadsheetWindow(spreadsheet);
            window.OnSave += SaveSpreadsheet;
            window.ShowDialog();
            Refresh(false, true);
            return false;
        }

        protected override void DoDoubleClick(object sender, DynamicGridCellClickEventArgs args)
        {
            if (SelectedRows.Any()) 
                EditSpreadsheet(SelectedRows.First());
            else
                base.DoDoubleClick(sender, args);
        }
        
        private void SaveSpreadsheet(object sender, SpreadsheetSaveArgs args)
        {
            SpreadsheetTemplate? sheet = args.Spreadsheet as SpreadsheetTemplate;
            if (sheet == null)
                return;
            
            if (args.SaveAs || Guid.Equals(sheet.ID,Guid.Empty))
            {
                sheet.ID = Guid.Empty;
                sheet.CommitChanges();
                sheet.Data = args.Data;
                EditItems(new SpreadsheetTemplate[] { sheet });
            }
            else
            {
                sheet.Data = args.Data;
                new Client<SpreadsheetTemplate>().Save(args.Spreadsheet as SpreadsheetTemplate, "Saved by PRS Spreadsheet");                
            }
        }


        public static void ViewSpreadsheetTemplates<TEntity>() where TEntity : Entity
        {
            SpreadsheetTemplateGrid grid = new SpreadsheetTemplateGrid();
            grid.AppliesTo = typeof(TEntity);
            grid.Refresh(true, true);
            DynamicContentDialog dlg = new DynamicContentDialog(grid, false);
            dlg.Title = $"{typeof(TEntity).EntityName().Split(".").Last()} Spreadsheet Templates";
            dlg.ShowDialog();
        }
    }
}