using CandyHouseBase.Infrastructure;
using CandyHouseDataBase.Models;
using Microsoft.EntityFrameworkCore;

namespace CandyHouseDataBase;

public class CandyHouseDbContext(IConfigurationDatabase configurationDatabase) : DbContext
{
    private readonly IConfigurationDatabase? _configurationDatabase = configurationDatabase;

    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
    {
        optionsBuilder.UseNpgsql(_configurationDatabase?.ConnectionString);
        base.OnConfiguring(optionsBuilder);
    }

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

        // Uniqueness for Ingredient
        modelBuilder.Entity<Ingredient>()
            .HasIndex(x => x.Name)
            .IsUnique();

        // Uniqueness for Product (only non-deleted)
        modelBuilder.Entity<Product>()
            .HasIndex(x => new { x.Name, x.IsDeleted })
            .IsUnique()
            .HasFilter($"\"{nameof(Product.IsDeleted)}\" = FALSE");

        // Composite key for Recipe
        modelBuilder.Entity<Recipe>()
            .HasKey(x => new { x.ProductId, x.IngredientId });

        // Uniqueness for Position (Title for active records)
        modelBuilder.Entity<Position>()
            .HasIndex(x => new { x.Title, x.IsActual })
            .IsUnique()
            .HasFilter($"\"{nameof(Position.IsActual)}\" = TRUE");

        modelBuilder.Entity<Position>()
            .HasIndex(x => new { x.PositionId, x.IsActual })
            .IsUnique()
            .HasFilter($"\"{nameof(Position.IsActual)}\" = TRUE");

        // Uniqueness for Order
        modelBuilder.Entity<Order>()
            .HasIndex(x => new { x.PekarId, x.OrderDate })
            .IsUnique();
    }

    public DbSet<Ingredient> Ingredients { get; set; }
    public DbSet<Product> Products { get; set; }
    public DbSet<Recipe> Recipes { get; set; }
    public DbSet<Position> Positions { get; set; }
    public DbSet<Pekar> Pekars { get; set; }
    public DbSet<PekarHistory> PekarHistories { get; set; }
    public DbSet<Salary> Salaries { get; set; }
    public DbSet<Order> Orders { get; set; }
}