namespace Microsoft.eShopWeb.Infrastructure
{
    using eShopWeb.Models;
    using Microsoft.EntityFrameworkCore;
    using Microsoft.EntityFrameworkCore.Metadata.Builders;

    public class CatalogContext : DbContext
    {
        public CatalogContext(DbContextOptions options) : base(options)
        {
        }
        public DbSet<CatalogItem> CatalogItems { get; set; }
        public DbSet<CatalogBrand> CatalogBrands { get; set; }
        public DbSet<CatalogType> CatalogTypes { get; set; }
        protected override void OnModelCreating(ModelBuilder builder)
        {
            builder.Entity<CatalogBrand>(ConfigureCatalogBrand);
            builder.Entity<CatalogType>(ConfigureCatalogType);
            builder.Entity<CatalogItem>(ConfigureCatalogItem);
        }

        void ConfigureCatalogItem(EntityTypeBuilder<CatalogItem> builder)
        {
            builder.ToTable("Catalog");

            builder.Property(ci => ci.Id)
                .ForSqlServerUseSequenceHiLo("catalog_hilo")
                .IsRequired();

            builder.Property(ci => ci.Name)
                .IsRequired(true)
                .HasMaxLength(50);

            builder.Property(ci => ci.Price)
                .IsRequired(true);

            builder.Property(ci => ci.PictureUri)
                .IsRequired(false);

            builder.HasOne(ci => ci.CatalogBrand)
                .WithMany()
                .HasForeignKey(ci => ci.CatalogBrandId);

            builder.HasOne(ci => ci.CatalogType)
                .WithMany()
                .HasForeignKey(ci => ci.CatalogTypeId);
        }

        void ConfigureCatalogBrand(EntityTypeBuilder<CatalogBrand> builder)
        {
            builder.ToTable("CatalogBrand");

            builder.HasKey(ci => ci.Id);

            builder.Property(ci => ci.Id)
               .ForSqlServerUseSequenceHiLo("catalog_brand_hilo")
               .IsRequired();

            builder.Property(cb => cb.Brand)
                .IsRequired()
                .HasMaxLength(100);
        }

        void ConfigureCatalogType(EntityTypeBuilder<CatalogType> builder)
        {
            builder.ToTable("CatalogType");

            builder.HasKey(ci => ci.Id);

            builder.Property(ci => ci.Id)
               .ForSqlServerUseSequenceHiLo("catalog_type_hilo")
               .IsRequired();

            builder.Property(cb => cb.Type)
                .IsRequired()
                .HasMaxLength(100);
        }
    }
}