using Microsoft.EntityFrameworkCore;
using StellaOps.Integrations.Core;

namespace StellaOps.Integrations.Persistence;

/// <summary>
/// EF Core DbContext for Integration persistence.
/// SQL migrations remain authoritative; EF models are scaffolded FROM schema.
/// </summary>
public partial class IntegrationDbContext : DbContext
{
    public const string DefaultSchemaName = "integrations";

    private readonly string _schemaName;

    public IntegrationDbContext(DbContextOptions<IntegrationDbContext> options, string? schemaName = null)
        : base(options)
    {
        _schemaName = string.IsNullOrWhiteSpace(schemaName)
            ? DefaultSchemaName
            : schemaName.Trim();
    }

    public DbSet<IntegrationEntity> Integrations => Set<IntegrationEntity>();

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        var schemaName = _schemaName;

        modelBuilder.Entity<IntegrationEntity>(entity =>
        {
            entity.ToTable("integrations", schemaName);

            entity.HasKey(e => e.Id);
            entity.Property(e => e.Id).HasColumnName("id");

            entity.Property(e => e.Name).HasColumnName("name").HasMaxLength(256).IsRequired();
            entity.Property(e => e.Description).HasColumnName("description").HasMaxLength(1024);

            entity.Property(e => e.Type).HasConversion<string>().HasColumnType("text").HasColumnName("type").IsRequired();
            entity.Property(e => e.Provider).HasConversion<string>().HasColumnType("text").HasColumnName("provider").IsRequired();
            entity.Property(e => e.Status).HasConversion<string>().HasColumnType("text").HasColumnName("status").IsRequired();

            entity.Property(e => e.Endpoint).HasColumnName("endpoint").HasMaxLength(2048).IsRequired();
            entity.Property(e => e.AuthRefUri).HasColumnName("auth_ref_uri").HasMaxLength(1024);
            entity.Property(e => e.OrganizationId).HasColumnName("organization_id").HasMaxLength(256);
            entity.Property(e => e.ConfigJson).HasColumnName("config_json").HasColumnType("jsonb");

            entity.Property(e => e.LastHealthStatus).HasConversion<string>().HasColumnType("text").HasColumnName("last_health_status");
            entity.Property(e => e.LastHealthCheckAt).HasColumnName("last_health_check_at");

            entity.Property(e => e.CreatedAt).HasColumnName("created_at").IsRequired();
            entity.Property(e => e.UpdatedAt).HasColumnName("updated_at").IsRequired();
            entity.Property(e => e.CreatedBy).HasColumnName("created_by").HasMaxLength(256);
            entity.Property(e => e.UpdatedBy).HasColumnName("updated_by").HasMaxLength(256);
            entity.Property(e => e.TenantId).HasColumnName("tenant_id").HasMaxLength(128);
            entity.Property(e => e.TagsJson).HasColumnName("tags").HasColumnType("jsonb");
            entity.Property(e => e.IsDeleted).HasColumnName("is_deleted").IsRequired();

            entity.HasIndex(e => e.Type);
            entity.HasIndex(e => e.Provider);
            entity.HasIndex(e => e.Status);
            entity.HasIndex(e => e.TenantId);
            entity.HasIndex(e => new { e.TenantId, e.Name }).IsUnique().HasFilter("is_deleted = false");
        });

        OnModelCreatingPartial(modelBuilder);
    }

    partial void OnModelCreatingPartial(ModelBuilder modelBuilder);
}

/// <summary>
/// EF Core entity for Integration.
/// </summary>
public sealed class IntegrationEntity
{
    public Guid Id { get; set; }
    public string Name { get; set; } = string.Empty;
    public string? Description { get; set; }
    public IntegrationType Type { get; set; }
    public IntegrationProvider Provider { get; set; }
    public IntegrationStatus Status { get; set; }
    public string Endpoint { get; set; } = string.Empty;
    public string? AuthRefUri { get; set; }
    public string? OrganizationId { get; set; }
    public string? ConfigJson { get; set; }
    public HealthStatus LastHealthStatus { get; set; }
    public DateTimeOffset? LastHealthCheckAt { get; set; }
    public DateTimeOffset CreatedAt { get; set; }
    public DateTimeOffset UpdatedAt { get; set; }
    public string? CreatedBy { get; set; }
    public string? UpdatedBy { get; set; }
    public string? TenantId { get; set; }
    public string? TagsJson { get; set; }
    public bool IsDeleted { get; set; }
}