using AbstractShopContracts.StoragesContracts;
using AutomobilePlantContracts.BindingModels;
using AutomobilePlantContracts.SearchModel;
using AutomobilePlantContracts.ViewModel;
using AutomobilePlantDataBaseImplements.Models;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AutomobilePlantDataBaseImplements.Implements
{
    public class MessageStorage : IMessageInfoStorage
    {
        public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
        {
            if (string.IsNullOrEmpty(model.MessageId) )
            {
                return null;
            }
            using var context = new AutoPlantDataBase();
            return context.Messages
                .Include(x => x.client)
                .FirstOrDefault(x =>  x.MessageId.Equals(model.MessageId)) 
                ?.GetViewModel;
        }

        public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
        {
            if (!model.ClientId.HasValue)
            {
                return new();
            }
            using var context = new AutoPlantDataBase();
            return context.Messages
                    .Include(x => x.client)
                    .Where(x => x.ClientId == model.ClientId)
                    .ToList()
                    .Select(x => x.GetViewModel)
                    .ToList();
        }

        public List<MessageInfoViewModel> GetFullList()
        {
            using var context = new AutoPlantDataBase();
            return context.Messages
                    .Include(x => x.client)
                    .ToList()
                    .Select(x => x.GetViewModel)
                    .ToList();
        }

        public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
        {
            using var context = new AutoPlantDataBase();
            var newMes = MessageInfo.Create(model);
            if (newMes == null)
            {
                return null;
            }
            context.Messages.Add(newMes);
            context.SaveChanges();
            return newMes.GetViewModel;
        }
    }
}