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 CookStorage : ICookStorage
    {
        public CookViewModel? Delete(CookBindingModel model)
        {
            using var context = new SushiBarDatabase();
            var element = context.Cooks.FirstOrDefault(x => x.Id == model.Id);
            if (element != null)
            {
                context.Cooks.Remove(element);
                context.SaveChanges();
                return element.GetViewModel;
            }
            return null;
        }

        public CookViewModel? GetElement(CookSearchModel model)
        {
            using var context = new SushiBarDatabase();
            return context.Cooks.FirstOrDefault(x => (!string.IsNullOrEmpty(model.CookName)) && x.CookName == model.CookName || model.Id.HasValue && x.Id == model.Id)?.GetViewModel;
        }

        public List<CookViewModel> GetFilteredList(CookSearchModel model)
        {
            if (string.IsNullOrEmpty(model.CookName))
            {
                return new();
            }
            using var context = new SushiBarDatabase();
            return context.Cooks.Where(x => x.CookName.Contains(model.CookName)).Select(x => x.GetViewModel).ToList();
        }

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

        public CookViewModel? Insert(CookBindingModel model)
        {
            var newCook = Cook.Create(model);
            if (newCook == null)
            {
                return null;
            }
            using var context = new SushiBarDatabase();
            context.Cooks.Add(newCook);
            context.SaveChanges();
            return newCook.GetViewModel;
        }

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