using backend.Data;
using backend.DTOs;
using backend.Entities;
using Microsoft.EntityFrameworkCore;

namespace backend.Services
{
    public interface IMenuService
    {
        public Task AddMenu(CreateMenuItemRequest menu);
        public Task RemoveMenu(int id);
    }
    public class MenuService : IMenuService
    {
        private readonly DataContext _context = null;
        public MenuService(DataContext context)
        {
            _context = context;
        }
        public async Task AddMenu(CreateMenuItemRequest menu)
        {
            var res = await _context.Restoraunts.FirstOrDefaultAsync();
            if(res.Menu == null)
            {
                res.Menu = new List<MenuItem>();
            }
            res.Menu.Add(new MenuItem()
            {
                Title = menu.Title,
                Description = menu.Description,
                Price = menu.Price
            });
            _context.Restoraunts.Update(res);
            await _context.SaveChangesAsync();
        }

        public async Task RemoveMenu(int id)
        {
            var res = await _context.Restoraunts.Include(x => x.Menu).FirstOrDefaultAsync();
            res.Menu = res.Menu.Where(x => x.Id != id).ToList();
            _context.Restoraunts.Update(res);
            await _context.SaveChangesAsync();
        }
    }
}