using System;
using System.Linq.Expressions;
using InABox.Core;

namespace Comal.Classes
{
    
    public interface IEmployeeRequiredQualification
    {
        EmployeeLink Employee { get; set; }
        
        QualificationLink Qualification { get; set; }        
    }
    
    public class EmployeeRequiredQualificationCrossGenerator : AutoEntityCrossGenerator<IEmployeeRequiredQualification,EmployeeRole,RoleQualification>
    {
        public override Expression<Func<EmployeeRole, Guid>> LeftProperty => x => x.EmployeeLink.ID;
        public override Expression<Func<IEmployeeRequiredQualification, Guid>> LeftMapping => x => x.Employee.ID;
        public override Expression<Func<EmployeeRole, Guid>> LeftLink => x => x.RoleLink.ID;

        public override Expression<Func<RoleQualification, Guid>> RightProperty => x => x.Qualification.ID;
        public override Expression<Func<IEmployeeRequiredQualification, Guid>> RightMapping => x => x.Qualification.ID;
        public override Expression<Func<RoleQualification, Guid>> RightLink => x => x.Role.ID;

        public override bool Distinct => true;

        public override Column<IEmployeeRequiredQualification>[] IDColumns => new Column<IEmployeeRequiredQualification>[]
        {
            new Column<IEmployeeRequiredQualification>(x => x.Employee.ID),
            new Column<IEmployeeRequiredQualification>(x => x.Qualification.ID)
        };
    }
    
    [UserTracking(typeof(Employee))]
    [AutoEntity(typeof(EmployeeRequiredQualificationCrossGenerator))]
    public class EmployeeRequiredQualification : Entity, IRemotable, IPersistent, IEmployeeRequiredQualification,
        ILicense<CoreLicense>
    {
        public EmployeeLink Employee { get; set; }

        public QualificationLink Qualification { get; set; }
    }
}