using InABox.Core;
using System;

namespace Comal.Classes
{
    public class LeaveRequestFormLookups : ILookupDefinition<DigitalForm, LeaveRequestForm>, ILookupDefinition<DigitalForm, LeaveRequest>
    {
        public Filter<DigitalForm> DefineFilter(LeaveRequestForm[] items)
        {
            return new Filter<DigitalForm>(x => x.Active).IsEqualTo(true).And(x => x.AppliesTo).IsEqualTo("LeaveRequest");
        }

        Columns<LeaveRequestForm> ILookupDefinition<DigitalForm, LeaveRequestForm>.DefineFilterColumns()
            => new Columns<LeaveRequestForm>();

        public Filter<DigitalForm> DefineFilter(LeaveRequest[] items)
        {
            var filter = DefineFilter(Array.Empty<LeaveRequestForm>());

            foreach (var leaveRequest in items)
            {
                filter.And(x => x.ID).InQuery(
                    new Filter<EmployeeDigitalForm>(x => x.Employee.ID).IsEqualTo(leaveRequest.EmployeeLink.ID),
                    x => x.Form.ID);
            }

            return filter;
        }

        Columns<LeaveRequest> ILookupDefinition<DigitalForm, LeaveRequest>.DefineFilterColumns()
            => new Columns<LeaveRequest>(x => x.EmployeeLink.ID);
    }
}