using ElectionSystem.Api.Infrastructure.Auditing;
using ElectionSystem.Api.Modules.Identity.Domain;
using ElectionSystem.Api.Modules.Organization.Domain;
using Microsoft.EntityFrameworkCore;

namespace ElectionSystem.Api.Infrastructure.Persistence;

public sealed class ElectionDbContext(DbContextOptions<ElectionDbContext> options) : DbContext(options)
{
    public DbSet<ApplicationUser> Users => Set<ApplicationUser>();
    public DbSet<OrganizationUnit> OrganizationUnits => Set<OrganizationUnit>();
    public DbSet<AuditEntry> AuditEntries => Set<AuditEntry>();

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        modelBuilder.Entity<ApplicationUser>(entity =>
        {
            entity.ToTable("identity_users");
            entity.Property(x => x.UserName).HasMaxLength(128).IsRequired();
            entity.Property(x => x.DisplayName).HasMaxLength(128).IsRequired();
            entity.HasIndex(x => x.UserName).IsUnique();
        });
        modelBuilder.Entity<OrganizationUnit>(entity =>
        {
            entity.ToTable("organization_units");
            entity.Property(x => x.Name).HasMaxLength(200).IsRequired();
            entity.Property(x => x.Code).HasMaxLength(64).IsRequired();
            entity.HasIndex(x => x.Code).IsUnique();
            entity.HasOne<OrganizationUnit>().WithMany().HasForeignKey(x => x.ParentId).OnDelete(DeleteBehavior.Restrict);
        });
        modelBuilder.Entity<AuditEntry>(entity =>
        {
            entity.ToTable("audit_entries");
            entity.Property(x => x.Action).HasMaxLength(128).IsRequired();
            entity.Property(x => x.ResourceType).HasMaxLength(128).IsRequired();
            entity.Property(x => x.TraceId).HasMaxLength(128);
            entity.Property(x => x.ActorId).HasMaxLength(128);
            entity.Property(x => x.MetadataJson).HasColumnType("json");
            entity.HasIndex(x => new { x.OccurredAtUtc, x.ResourceType });
        });
    }
}