using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore;
using PlaylistShared.Api.Entities;

namespace PlaylistShared.Api.Data;

public class ApplicationDbContext : IdentityDbContext<ApplicationUser, IdentityRole<Guid>, Guid>
{
    public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options) : base(options) { }

    public DbSet<SharedPlaylistEntity> SharedPlaylists => Set<SharedPlaylistEntity>();
    public DbSet<TrackAdditionLogEntity> TrackAdditionLogs => Set<TrackAdditionLogEntity>();

    protected override void OnModelCreating(ModelBuilder builder)
    {
        base.OnModelCreating(builder);

        builder.Entity<SharedPlaylistEntity>(entity =>
        {
            entity.HasKey(e => e.Id);
            entity.HasIndex(e => e.ShareToken).IsUnique();
            entity.HasOne(e => e.Creator)
                  .WithMany(u => u.OwnedPlaylists)
                  .HasForeignKey(e => e.CreatorUserId)
                  .OnDelete(DeleteBehavior.Restrict);
            entity.Property(e => e.YandexPlaylistKind).IsRequired().HasMaxLength(50);
            entity.Property(e => e.YandexPlaylistOwnerUid).IsRequired().HasMaxLength(50);
            entity.Property(e => e.Title).IsRequired().HasMaxLength(255);
        });

        builder.Entity<TrackAdditionLogEntity>(entity =>
        {
            entity.HasKey(e => e.Id);
            entity.HasIndex(e => new { e.SharedPlaylistId, e.TrackId });
            entity.HasOne(e => e.SharedPlaylist)
                  .WithMany(sp => sp.TrackAdditionLogs)
                  .HasForeignKey(e => e.SharedPlaylistId)
                  .OnDelete(DeleteBehavior.Cascade);
            entity.HasOne(e => e.AddedByUser)
                  .WithMany()
                  .HasForeignKey(e => e.AddedByUserId)
                  .OnDelete(DeleteBehavior.Restrict);
        });
    }
}