using System;
using System.Collections.Generic;
using System.Linq;
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
{
    internal class JobScopeGrid : DynamicDataGrid<JobScope>
    {
        private readonly BitmapImage tick = PRSDesktop.Resources.tick.AsBitmapImage();

        public JobScopeGrid()
        {
            HiddenColumns.Add(x=>x.Job.DefaultScope.ID);
            HiddenColumns.Add(x=>x.Job.ID);
            ActionColumns.Add(new DynamicImageColumn(IsDefaultImage, SelectDefaultAction) { Position = DynamicActionColumnPosition.Start });
        }
        
        protected override void DoReconfigure(FluentList<DynamicGridOption> options)
        {
            base.DoReconfigure(options);
            options.AddRange(DynamicGridOption.RecordCount, DynamicGridOption.SelectColumns, DynamicGridOption.FilterRows);
            
            
        }

        private BitmapImage? IsDefaultImage(CoreRow? row)
        {
            return row == null
                ? tick
                : row.Get<JobScope, Guid>(x => x.Job.DefaultScope.ID) == row.Get<JobScope, Guid>(x => x.ID)
                    ? tick
                    : null;
        }

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

        public Job Job { get; set; }

        protected override bool CanCreateItems()
        {
            return Job.ID != Guid.Empty;
        }
        
        protected override JobScope CreateItem()
        {
            var result = base.CreateItem();
            result.Job.ID = Job.ID;
            result.Job.Synchronise(Job);
            result.Type = Data.Rows.Any() ? JobScopeType.Variation : JobScopeType.Contract;
            return result;
        }

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