using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using VetClinicBusinessLogic.BindingModels;
using VetClinicBusinessLogic.Interfaces;
using VetClinicBusinessLogic.ViewModels;

namespace VetClinicBusinessLogic.BusinessLogic
{
    internal class VisitLogic
    {
        private readonly IVisitStorage _VisitsStorage;
        private readonly IServiceStorage serviceStorage;

        public VisitLogic(IVisitStorage VisitsStorage, IServiceStorage serviceStorage)
        {
            this.serviceStorage = serviceStorage;
            _VisitsStorage = VisitsStorage;
        }

        public List<VisitViewModel> Read(VisitBindingModel model)
        {
            if (model == null)
            {
                return _VisitsStorage.GetFullList();
            }
            if (model.Id.HasValue)
            {
                return new List<VisitViewModel> { _VisitsStorage.GetElement(model) };
            }
            return _VisitsStorage.GetFilteredList(model);
        }

        public void CreateOrUpdate(VisitBindingModel model)
        {

            if (model.Id.HasValue)
            {
                _VisitsStorage.Update(model);
            }
            else
            {
                _VisitsStorage.Insert(model);
            }

        }

        public void Delete(VisitBindingModel model)
        {
            var element = _VisitsStorage.GetElement(new VisitBindingModel
            {
                Id = model.Id
            });
            if (element == null)
            {
                throw new Exception("Услуга не найдена");
            }
            _VisitsStorage.Delete(model);
        }
        public List<VisitViewModel> ReadEmployee(VisitBindingModel model)
        {
            return _VisitsStorage.GetFilteredListEmployee(model);
        }
    }
}