using BeautySalonContracts.BindingModels;
using BeautySalonContracts.SearchModels;
using BeautySalonContracts.StoragesContracts;
using BeautySalonContracts.ViewModels;
using BeautySalonDatabaseImplement.Models;
using Microsoft.EntityFrameworkCore;

namespace BeautySalonDatabaseImplement.Implements
{
    public class VisitStorage : IVisitStorage
    {
        public VisitViewModel? Delete(VisitBindingModel model)
        {
            using var context = new BeautySalonDatabase();
            var element = context.Visits.FirstOrDefault(rec => rec.Id == model.Id);
            if (element != null)
            {
                context.Visits.Remove(element);
                context.SaveChanges();
                return element.GetViewModel;
            }
            return null;
        }

        public VisitViewModel? GetElement(VisitSearchModel model)
        {
            if (!model.Id.HasValue)
            {
                return null;
            }
            using var context = new BeautySalonDatabase();
            return context.Visits.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
        }

        public List<VisitViewModel> GetFilteredList(VisitSearchModel model)
        {
            if (!model.Id.HasValue)
            {
                return new();
            }
            using var context = new BeautySalonDatabase();
            return context.Visits.Where(x => x.Id == model.Id).Select(x => x.GetViewModel).ToList();
        }

        public List<VisitViewModel> GetFullList()
        {
            using var context = new BeautySalonDatabase();
            return context.Visits.Select(x => x.GetViewModel).ToList();
        }

        public VisitViewModel? Insert(VisitBindingModel model)
        {
            var newVisit = Visit.Create(model);
            if (newVisit == null)
            {
                return null;
            }
            using var context = new BeautySalonDatabase();
            context.Visits.Add(newVisit);
            context.SaveChanges();
            return newVisit.GetViewModel;
        }

        public VisitViewModel? Update(VisitBindingModel model)
        {
            using var context = new BeautySalonDatabase();
            var order = context.Visits.FirstOrDefault(x => x.Id == model.Id);
            if (order == null)
            {
                return null;
            }
            order.Update(model);
            context.SaveChanges();
            return order.GetViewModel;
        }
    }
}