using InABox.Core;
using System;

namespace Comal.Classes
{
    public class EmployeeForm : EntityForm<Employee, EmployeeLink, EmployeeForm>, IDigitalForm<Employee>
    {
        public override string AutoIncrementPrefix() => "EF";
    }

    public class DigitalFormEmployeeLookup : LookupDefinitionGenerator<DigitalForm, Employee>
    {
        public override Filter<DigitalForm> DefineFilter(Employee[] items)
        {
            var filter = LookupFactory.DefineLookupFilter<EmployeeForm, DigitalForm, DigitalFormLink>(x => x.Form, Array.Empty<EmployeeForm>())
                ?? new Filter<DigitalForm>().All();

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

            return filter;
        }

        public override Columns<Employee> DefineFilterColumns()
            => new Columns<Employee>(x => x.ID);
    }

    public class DigitalFormEmployeeFormLookup : LookupDefinitionGenerator<DigitalForm, EmployeeForm>
    {
        public override Filter<DigitalForm> DefineFilter(EmployeeForm[] items)
        {
            return new Filter<DigitalForm>(x => x.Active).IsEqualTo(true).And(x => x.AppliesTo).IsEqualTo("Employee");
        }

        public override Columns<EmployeeForm> DefineFilterColumns()
            => new Columns<EmployeeForm>();

    }
}