using back.DataModels;
using Microsoft.EntityFrameworkCore;

namespace back.persistance.data.relations;

public class GalleryRelationEstablisher : IRelationEstablisher
{
    public void EstablishRelation(ModelBuilder modelBuilder) 
    {
        modelBuilder.Entity<Gallery>(entity =>
        {
            entity.Property(e => e.IsArchived).HasDefaultValue(0);
            entity.Property(e => e.IsFavorite).HasDefaultValue(0);
            entity.Property(e => e.IsPublic).HasDefaultValue(1);

            entity.HasOne(d => d.CreatedByNavigation).WithMany(p => p.Galleries)
                .HasForeignKey(d => d.CreatedBy)
                .OnDelete(DeleteBehavior.ClientSetNull);

            entity.HasOne(d => d.Event).WithMany(p => p.Galleries).HasForeignKey(d => d.EventId);

            entity.HasMany(d => d.Photos).WithMany(p => p.Galleries)
                .UsingEntity<Dictionary<string, object>>(
                    "GalleryPhoto",
                    r => r.HasOne<Photo>().WithMany()
                        .HasForeignKey("PhotoId")
                        .OnDelete(DeleteBehavior.ClientSetNull),
                    l => l.HasOne<Gallery>().WithMany()
                        .HasForeignKey("GalleryId")
                        .OnDelete(DeleteBehavior.ClientSetNull),
                    j =>
                    {
                        j.HasKey("GalleryId", "PhotoId");
                        j.ToTable("GalleryPhotos");
                    });

            entity.HasMany(d => d.Tags).WithMany(p => p.Galleries)
                .UsingEntity<Dictionary<string, object>>(
                    "GalleryTag",
                    r => r.HasOne<Tag>().WithMany()
                        .HasForeignKey("TagId")
                        .OnDelete(DeleteBehavior.ClientSetNull),
                    l => l.HasOne<Gallery>().WithMany()
                        .HasForeignKey("GalleryId")
                        .OnDelete(DeleteBehavior.ClientSetNull),
                    j =>
                    {
                        j.HasKey("GalleryId", "TagId");
                        j.ToTable("GalleryTags");
                    });

            entity.HasMany(d => d.Users).WithMany(p => p.GalleriesNavigation)
                .UsingEntity<Dictionary<string, object>>(
                    "GalleryUserViewer",
                    r => r.HasOne<User>().WithMany()
                        .HasForeignKey("UserId")
                        .OnDelete(DeleteBehavior.ClientSetNull),
                    l => l.HasOne<Gallery>().WithMany()
                        .HasForeignKey("GalleryId")
                        .OnDelete(DeleteBehavior.ClientSetNull),
                    j =>
                    {
                        j.HasKey("GalleryId", "UserId");
                        j.ToTable("GalleryUserViewers");
                    });
        });
    }
}