using AutoMapper;
using Microsoft.Extensions.DependencyInjection;

namespace DigitalData.Core.Infrastructure.AutoMapper;

public static class DependencyInjection
{
    public static EntityConfigurationOptions<TEntity> UseAutoMapper<TEntity>(this EntityConfigurationOptions<TEntity> options, params Type[] typeOfDtos)
    {
        IMapper? customRootMapper = null;

        if (typeOfDtos.Length != 0)
        {
            MapperConfigurationExpression AutoMapperConfiguration = new();

            foreach (var typeOfDto in typeOfDtos)
            {
                AutoMapperConfiguration.CreateMap(typeof(TEntity), typeOfDto);
                AutoMapperConfiguration.CreateMap(typeOfDto, typeof(TEntity));
            }

            customRootMapper = new MapperConfiguration(AutoMapperConfiguration).CreateMapper();
        }

        options.AddCustomMapper(provider => new EntityAutoMapper<TEntity>(customRootMapper ?? provider.GetRequiredService<IMapper>()));
        return options;
    }
}