using HN.Domain;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;

namespace HN.Infrastructure.EntityTypes
{
  public sealed class LinkEntityType : IEntityTypeConfiguration<Link>
  {
    public void Configure(EntityTypeBuilder<Link> builder)
    {
      builder.ToTable("links");
      builder.HasKey(o => o.Id);
      builder.Property(o => o.Url).IsRequired().HasMaxLength(500);
      builder.Property(o => o.CreatedAt).IsRequired();
      builder.HasIndex(o => o.Url).IsUnique();

      builder.HasMany<Vote>(o => o.Votes)
        .WithOne()
        .HasForeignKey("LinkId")
        .OnDelete(DeleteBehavior.Cascade)
        .IsRequired();
    }
  }
}