using SushiBarContracts.BindingModels;
using SushiBarContracts.SearchModels;
using SushiBarContracts.StoragesContracts;
using SushiBarContracts.ViewModels;
using SushiBarDatabaseImplement.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SushiBarDatabaseImplement.Implements
{
    public class PlaceStorage : IPlaceStorage
    {
        public PlaceViewModel? Delete(PlaceBindingModel model)
        {
            using var context = new SushiBarDatabase();
            var element = context.Places.FirstOrDefault(x => x.Id == model.Id);
            if (element != null)
            {
                context.Places.Remove(element);
                context.SaveChanges();
                return element.GetViewModel;
            }
            return null;
        }

        public PlaceViewModel? GetElement(PlaceSearchModel model)
        {
            using var context = new SushiBarDatabase();
            return context.Places.FirstOrDefault(x => (!string.IsNullOrEmpty(model.PlaceNumber.ToString())) && x.PlaceNumber.ToString() == model.PlaceNumber.ToString() || model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
        }

        public List<PlaceViewModel> GetFilteredList(PlaceSearchModel model)
        {
            if (string.IsNullOrEmpty(model.PlaceNumber.ToString()))
            {
                return new();
            }
            using var context = new SushiBarDatabase();
            return context.Places.Where(x => x.PlaceNumber.ToString().Contains(model.PlaceNumber.ToString())).Select(x => x.GetViewModel).ToList();
        }

        public List<PlaceViewModel> GetFullList()
        {
            using var context = new SushiBarDatabase();
            return context.Places.Select(x => x.GetViewModel).ToList();
        }

        public PlaceViewModel? Insert(PlaceBindingModel model)
        {
            var newPlace = Place.Create(model);
            if (newPlace == null)
            {
                return null;
            }
            using var context = new SushiBarDatabase();
            context.Places.Add(newPlace);
            context.SaveChanges();
            return newPlace.GetViewModel;
        }

        public PlaceViewModel? Update(PlaceBindingModel model)
        {
            using var context = new SushiBarDatabase();
            var component = context.Places.FirstOrDefault(x => x.Id == model.Id);
            if (component == null)
            {
                return null;
            }
            component.Update(model);
            context.SaveChanges();
            return component.GetViewModel;
        }
    }
}