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

namespace Comal.Classes
{
    public class JobStageLookups : EntityLookup<JobStage>, ILookupDefinition<JobStage, Job>, ILookupDefinition<JobStage, Setout>,
        ILookupDefinition<JobStage, ManufacturingPacket>, ILookupDefinition<JobStage, JobStage>
    {
        public Filter<JobStage> DefineFilter(Job[] items)
        {
            if (items.Length == 1)
                return new Filter<JobStage>(x => x.Job.ID).IsEqualTo(items.First().ID).And(x => x.IsHeader).IsEqualTo(false);
            return new Filter<JobStage>(x => x.ID).IsEqualTo(Guid.Empty);
        }

        Columns<Job> ILookupDefinition<JobStage, Job>.DefineFilterColumns()
            => new Columns<Job>(x => x.ID);

        public Filter<JobStage> DefineFilter(JobStage[] items)
        {
            if (items.Length == 1)
                return new Filter<JobStage>(x => x.Job.ID).IsEqualTo(items.First().Job.ID).And(x => x.IsHeader).IsEqualTo(false);
            return new Filter<JobStage>(x => x.ID).IsEqualTo(Guid.Empty);
        }

        Columns<JobStage> ILookupDefinition<JobStage, JobStage>.DefineFilterColumns()
            => new Columns<JobStage>(x => x.Job.ID);

        public Filter<JobStage> DefineFilter(ManufacturingPacket[] items)
        {
            if (items.Length == 1)
                return new Filter<JobStage>(x => x.Job.ID).IsEqualTo(items.First().SetoutLink.JobLink.ID).And(x => x.IsHeader).IsEqualTo(false);
            return new Filter<JobStage>(x => x.ID).IsEqualTo(Guid.Empty);
        }

        Columns<ManufacturingPacket> ILookupDefinition<JobStage, ManufacturingPacket>.DefineFilterColumns()
            => new Columns<ManufacturingPacket>(x => x.SetoutLink.JobLink.ID);

        public Filter<JobStage> DefineFilter(Setout[] items)
        {
            if (items.Length == 1)
                return new Filter<JobStage>(x => x.Job.ID).IsEqualTo(items.First().JobLink.ID).And(x => x.IsHeader).IsEqualTo(false);
            return new Filter<JobStage>(x => x.ID).IsEqualTo(Guid.Empty);
        }

        Columns<Setout> ILookupDefinition<JobStage, Setout>.DefineFilterColumns()
            => new Columns<Setout>(x => x.JobLink.ID);

        public override Filter<JobStage> DefineFilter()
        {
            return new Filter<JobStage>(x => x.ID).IsEqualTo(Guid.Empty);
        }

        public override Columns<JobStage> DefineColumns()
        {
            return new Columns<JobStage>(
                x => x.ID,
                x => x.Name
            );
        }

        public override SortOrder<JobStage> DefineSortOrder()
        {
            return new SortOrder<JobStage>(x => x.Sequence);
        }
    }
}