using System;
using System.Linq;
using System.Windows;
using Comal.Classes;
using InABox.Core;
using InABox.DynamicGrid;
using InABox.Wpf;

namespace PRSDesktop
{
    public class JobTimesheetGrid : TimesheetGrid, IMasterDetailControl<Job,TimeSheet>, IDataModelSource
    {
        
        public Job? Master { get; set; }

        public Filter<TimeSheet> MasterDetailFilter => (Master?.ID ?? Guid.Empty) != Guid.Empty
            ? new Filter<TimeSheet>(x => x.JobLink.ID).IsEqualTo(Master.ID)
            : new Filter<TimeSheet>().None();
        
        protected override void DoReconfigure(FluentList<DynamicGridOption> options)
        {
            base.DoReconfigure(options);
            options.AddRange(
                DynamicGridOption.RecordCount,
                DynamicGridOption.FilterRows,
                DynamicGridOption.MultiSelect,
                DynamicGridOption.EditRows
            );
        }

        public event DataModelUpdateEvent? OnUpdateDataModel;

        public string SectionName => "Job Timesheets";

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

        protected override bool CanCreateItems()
        {
            return base.CanCreateItems() && (Master?.ID ?? Guid.Empty) != Guid.Empty;
        }
        
        public override TimeSheet CreateItem()
        {
            var result = base.CreateItem();
            result.JobLink.ID = Master?.ID ?? Guid.Empty;
            result.JobLink.Synchronise(Master ?? new Job());
            return result;
        }

        protected override void Reload(Filters<TimeSheet> criteria, Columns<TimeSheet> columns, ref SortOrder<TimeSheet>? sort, Action<CoreTable?, Exception?> action)
        {
            criteria.Add(MasterDetailFilter);
            base.Reload(criteria, columns, ref sort, action);
        }
    }
}