using EmployeeManagmentContracts.BusinessLogicContracts;
using EmployeeManagmentContracts.SearchModels;
using EmployeeManagmentContracts.ViewModels;
using EmployeeManagmentContracts.StoragesContracts;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;

namespace EmployeeManagmentBusinessLogic.BusinessLogic
{
    public class VacationLogic : IVacationLogic
    {
        private readonly ILogger<VacationLogic> _logger;
        private readonly IVacationStorage _vacationStorage;

        public VacationLogic(ILogger<VacationLogic> logger, IVacationStorage vacationStorage)
        {
            _logger = logger;
            _vacationStorage = vacationStorage;
        }

        public List<VacationViewModel> GetFullList()
        {
            return _vacationStorage.GetFullList();
        }

        public List<VacationViewModel> GetFilteredList(VacationSearchModel model)
        {
            return _vacationStorage.GetFilteredList(model);
        }

        public VacationViewModel? GetElement(int id)
        {
            return _vacationStorage.GetElement(id);
        }

        public void Insert(VacationViewModel model)
        {
            if (model.EmployeeId == null)
            {
                throw new ArgumentException("Сотрудник обязательно должен быть указан.");
            }

            _vacationStorage.Insert(model);
        }

        public void Update(VacationViewModel model)
        {
            var element = _vacationStorage.GetElement(model.Id);
            if (element == null)
            {
                throw new ArgumentException("Отпуск не найден.");
            }

            _vacationStorage.Update(model);
        }

        public void Delete(int id)
        {
            var element = _vacationStorage.GetElement(id);
            if (element == null)
            {
                throw new ArgumentException("Отпуск не найден.");
            }

            _vacationStorage.Delete(id);
        }
    }
}