using EmployeeManagmentContracts.BindingModels;
using EmployeeManagmentContracts.BusinessLogicContracts;
using EmployeeManagmentContracts.SearchModels;
using EmployeeManagmentContracts.StoragesContracts;
using EmployeeManagmentContracts.ViewModels;

namespace EmployeeManagmentBusinessLogic.BusinessLogic
{
    public class VacationLogic : IVacationLogic
    {
        private readonly IVacationStorage _vacationStorage;

        public VacationLogic(IVacationStorage vacationStorage)
        {
            _vacationStorage = vacationStorage;
        }

        public List<VacationViewModel> GetVacations(VacationSearchModel model)
        {
            return _vacationStorage.GetFilteredList(model).Select(v => new VacationViewModel
            {
                Id = v.Id,
                StartData = v.StartData,
                EndData = v.EndData,
                Passed = v.Passed,
                EmployeeName = v.Employee.NameJob
            }).ToList();
        }

        public void CreateOrUpdate(VacationBindingModel model)
        {
            if (model.Id.HasValue)
            {
                var existingVacation = _vacationStorage.GetElement(model.Id.Value);
                if (existingVacation == null)
                    throw new Exception("Отпуск не найден");

                existingVacation.StartData = model.StartData;
                existingVacation.EndData = model.EndData;
                existingVacation.Passed = model.Passed;
                existingVacation.EmployeeId = model.EmployeeId;

                _vacationStorage.Update(existingVacation);
            }
            else
            {
                var newVacation = new Vacation
                {
                    StartData = model.StartData,
                    EndData = model.EndData,
                    Passed = model.Passed,
                    EmployeeId = model.EmployeeId
                };
                _vacationStorage.Insert(newVacation);
            }
        }

        public void Delete(int id)
        {
            _vacationStorage.Delete(id);
        }
    }
}