using AccountsContracts.BindingModels;
using AccountsContracts.BusinessLogicContracts;
using AccountsContracts.SearchModels;
using AccountsContracts.StorageContracts;
using AccountsContracts.ViewModels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

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

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

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

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

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

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

        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 интереса", nameof(model.Name));
            }
        }
    }
}