using System;
using System.Collections.Generic;
using System.Data.SqlTypes;
using System.Linq;
using System.Linq.Expressions;
using InABox.Core;

namespace Comal.Classes
{
    public interface IEmployeeDigitalForm
    {
        EmployeeLink Employee { get; set; }
        
        DigitalFormLink Form { get; set; }        
    }
    
    public class EmployeeDigitalFormCrossGenerator : AutoEntityCrossGenerator<IEmployeeDigitalForm,EmployeeRole,RoleForm>
    {
        public override Expression<Func<EmployeeRole, Guid>> LeftProperty => x => x.EmployeeLink.ID;
        public override Expression<Func<IEmployeeDigitalForm, Guid>> LeftMapping => x => x.Employee.ID;
        public override Expression<Func<EmployeeRole, Guid>> LeftLink => x => x.RoleLink.ID;

        public override Expression<Func<RoleForm, Guid>> RightProperty => x => x.Form.ID;
        public override Expression<Func<IEmployeeDigitalForm, Guid>> RightMapping => x => x.Form.ID;
        public override Expression<Func<RoleForm, Guid>> RightLink => x => x.Role.ID;

        public override bool Distinct => true;
    }
    
    [UserTracking(typeof(Employee))]
    [AutoEntity(typeof(EmployeeDigitalFormCrossGenerator))]
    public class EmployeeDigitalForm : Entity, IRemotable, IPersistent, IEmployeeDigitalForm,
        ILicense<CoreLicense>
    {
        [EntityRelationship(DeleteAction.Cascade)]
        public EmployeeLink Employee { get; set; }

        [EntityRelationship(DeleteAction.Cascade)]
        public DigitalFormLink Form { get; set; }

        protected override void Init()
        {
            base.Init();
            Employee = new EmployeeLink();
            Form = new DigitalFormLink();
        }
    }
}