using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using OnProfNext.Shared.Models;

namespace OnProfNext.Server.Configurations
{
    public class ProjectUserConfiguration : IEntityTypeConfiguration<ProjectUser>
    {
        public void Configure(EntityTypeBuilder<ProjectUser> entity)
        {
            entity.ToTable("ProjectUsers");

            // Composite Primary Key
            entity.HasKey(pu => new { pu.ProjectId, pu.UserId });

            entity.HasOne(pu => pu.Project)
                  .WithMany(p => p.ProjectUsers)
                  .HasForeignKey(pu => pu.ProjectId)
                  .OnDelete(DeleteBehavior.Cascade);

            entity.HasOne(pu => pu.User)
                  .WithMany(u => u.ProjectUsers)
                  .HasForeignKey(pu => pu.UserId)
                  .OnDelete(DeleteBehavior.Cascade);
        }
    }
}