using AutoMapper;
using GerstITS.Data;

namespace GerstITS.Examples.Logic.Example
{
    internal sealed class ExampleProvider : IExampleProvider
    {
        #region Fields
        
        private readonly IMapper _mapper; 
        
        #endregion

        #region Constructors

        public ExampleProvider(IMapper mapper)
        {
            _mapper = mapper;
        }

        #endregion

        #region IExampleProvider

        public Example GetById(int id)
        {
            ThrowsAnExceptionIfEntityIsNotFound(id);

            return _mapper.Map<Example>(id);
        }

        public Example GetById_v1_1(int id)
        {
            ThrowsAnExceptionIfEntityIsNotFound(id);

            return _mapper.Map<Example>(id);
        }

        #endregion

        #region Methods

        private static void ThrowsAnExceptionIfEntityIsNotFound(int id)
        {
            if (id % 2 == 0)
                throw new EntityNotFoundException($"Example mit der Id '{id}' nicht gefunden.");
        }

        #endregion
    }
}