namespace MyOffice.DbContext;

using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;

public static class DbContextServiceCollectionExtensions
{
	public static IServiceCollection AddAppDbContext(
		this IServiceCollection services,
		ConnectionConfiguration connection
	)
	{
		services.AddSingleton(connection);

		services.AddDbContext<AppDbContext>((_, options) =>
		{
			ConfigureDbContextOptions(options, connection);
		});

		return services;
	}

	public static void ConfigureDbContextOptions(
		DbContextOptionsBuilder options,
		ConnectionConfiguration connection
	)
	{
		if (!Enum.TryParse<AppDbContextProvidersEnum>(connection.Provider, ignoreCase: true, out var provider))
			throw new InvalidOperationException($"No such provider: [{connection.Provider}]");

		switch (provider)
		{
			case AppDbContextProvidersEnum.npgsql:
				options.UseNpgsql(connection.ConnectionString, x =>
					x.MigrationsAssembly("MyOffice.Migrations.Postgres"));
				break;
			case AppDbContextProvidersEnum.sqlite:
				options.UseSqlite(connection.ConnectionString, x =>
					x.MigrationsAssembly("MyOffice.Migrations.Sqlite"));
				break;
			default:
				throw new NotSupportedException($"No such provider: [{connection.Provider}]");
		}

#if DEBUG
		options.EnableSensitiveDataLogging();
		options.EnableDetailedErrors();
#endif
	}
}