using System;
using System.Linq.Expressions;
using System.Windows.Controls;
using Comal.Classes;
using InABox.Core;
using InABox.DynamicGrid;

namespace PRSDesktop
{
    public class EmployeeJobGrid : DynamicCrossJoinGrid<JobEmployee,Employee>
    {

        public override Expression<Func<JobEmployee, Guid>> LeftMapping => x => x.EmployeeLink.ID;
        public override Expression<Func<Employee, Guid>> LeftProperty => x => x.ID;
        
        private Button _status;
        private bool _activeonly = true;
        
        public EmployeeJobGrid()
        {
            _status = AddButton("Show All", null, ToggleActive);
            _status.Width = 80;
        }
        
        protected override void GenerateColumns(DynamicGridColumns columns)
        {
            columns.Add<JobEmployee, String>(x => x.JobLink.JobNumber, 70, "Job", "", Alignment.MiddleCenter);
            columns.Add<JobEmployee, String>(x => x.JobLink.Name, 0, "Job Name", "", Alignment.MiddleLeft);
            columns.Add<JobEmployee, DateTime>(x => x.Inducted, 70, "Inducted", "dd MMM yy", Alignment.MiddleCenter);
            columns.Add<JobEmployee, bool>(x => x.Active, 25, "Act", "", Alignment.MiddleCenter);
        }

        private bool ToggleActive(Button arg1, CoreRow[] arg2)
        {
            _activeonly = !_activeonly;
            UpdateButton(_status,null,_activeonly ? "Show All" : "Active Only");
            return true;
        }

        protected override void Reload(Filters<JobEmployee> criteria, Columns<JobEmployee> columns, ref SortOrder<JobEmployee>? sort, Action<CoreTable?, Exception?> action)
        {
            if (_activeonly)
                criteria.Add(new Filter<JobEmployee>(x => x.Active).IsEqualTo(true).And(x=>x.JobLink.JobStatus.Active).IsEqualTo(true));
            base.Reload(criteria, columns, ref sort, action);
        }
    }
}