using PortalAccountsContracts.BindingModels;
using PortalAccountsContracts.BusinessLogicsContracts;
using PortalAccountsContracts.SearchModels;
using PortalAccountsContracts.StoragesContracts;
using PortalAccountsContracts.ViewModels;

namespace PortalAccountsBusinessLogic.BusinessLogics
{
    public class InterestLogic : IInterestLogic
    {
        private readonly IInterestStorage _interestStorage;

        public InterestLogic(IInterestStorage InterestStorage)
        {
            _interestStorage = InterestStorage;
        }

        public List<InterestViewModel>? ReadList(InterestSearchModel? model)
        {
            return model == null ? _interestStorage.GetFullList() : _interestStorage.GetFilteredList(model);
        }

        public InterestViewModel? ReadElement(InterestSearchModel model)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            return _interestStorage.GetElement(model);
        }

        public bool Create(InterestBindingModel model)
        {
            CheckModel(model);
            return _interestStorage.Insert(model) != null;
        }

        public bool Update(InterestBindingModel model)
        {
            CheckModel(model);
            return _interestStorage.Update(model) != null;
        }

        public bool Delete(InterestBindingModel model)
        {
            CheckModel(model, false);
            return _interestStorage.Delete(model) != null;
        }

        private void CheckModel(InterestBindingModel model, bool withParams = true)
        {
            if (model == null)
            {
                throw new ArgumentNullException(nameof(model));
            }
            if (!withParams)
            {
                return;
            }
            if (string.IsNullOrEmpty(model.Name))
            {
                throw new ArgumentNullException("Нет названия интерес", nameof(model.Name));
            }
            var element = _interestStorage.GetElement(new InterestSearchModel
            {
                Name = model.Name
            });
            if (element != null && element.Id != model.Id)
            {
                throw new InvalidOperationException("Интерес с таким названием уже есть");
            }
        }
    }
}