using System;
using AMWD.Common.EntityFrameworkCore.Converters;
using Microsoft.EntityFrameworkCore;

namespace AMWD.Common.EntityFrameworkCore.Extensions
{
	/// <summary>
	/// Extensions for the <see cref="ModelConfigurationBuilder"/> of entity framework core.
	/// </summary>
	public static class ModelConfigurationBuilderExtensions
	{
		/// <summary>
		/// Adds converters for the <see cref="DateOnly"/> datatype introduced with .NET 6.0.
		/// </summary>
		/// <remarks>
		/// As of 2022-06-04 only required for Microsoft SQL server on .NET 6.0.
		/// </remarks>
		/// <param name="builder">The <see cref="ModelConfigurationBuilder"/> instance.</param>
		/// <returns>The <see cref="ModelConfigurationBuilder"/> instance after applying the converters.</returns>
		public static ModelConfigurationBuilder AddDateOnlyConverters(this ModelConfigurationBuilder builder)
		{
			builder.Properties<DateOnly>()
					.HaveConversion<DateOnlyConverter>()
					.HaveColumnType("date");
			builder.Properties<DateOnly?>()
				.HaveConversion<NullableDateOnlyConverter>()
				.HaveColumnType("date");

			return builder;
		}

		/// <summary>
		/// Adds converters for the <see cref="TimeOnly"/> datatype introduced with .NET 6.0.
		/// </summary>
		/// <remarks>
		/// As of 2022-06-04 only required for Microsoft SQL server on .NET 6.0.
		/// </remarks>
		/// <param name="builder">The <see cref="ModelConfigurationBuilder"/> instance.</param>
		/// <returns>The <see cref="ModelConfigurationBuilder"/> instance after applying the converters.</returns>
		public static ModelConfigurationBuilder AddTimeOnlyConverters(this ModelConfigurationBuilder builder)
		{
			builder.Properties<TimeOnly>()
				.HaveConversion<TimeOnlyConverter>()
				.HaveColumnType("time");
			builder.Properties<TimeOnly?>()
				.HaveConversion<NullableTimeOnlyConverter>()
				.HaveColumnType("time");

			return builder;
		}
	}
}