using ProjectFuel.Entities;
using ProjectFuel.Repositories;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace ProjectFuel.Forms_
{
    public partial class FormRoute : Form
    {
        private readonly IRouteRepository _routeRepository;

        private int? _routeId;

        public int Id
        {
            set
            {
                try
                {
                    var route = _routeRepository.ReadRouteByID(value);
                    if (route == null)
                        throw new InvalidOperationException(nameof(route));

                    textBoxStartPoint.Text = route.Start_Point;
                    textBoxEndPoint.Text = route.End_Point;
                    numericUpDownLength.Value = (decimal)route.Route_Length;

                    _routeId = value;
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка при получении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return;
                }
            }
        }
        public FormRoute(IRouteRepository routeRepository)
        {
            InitializeComponent();
            _routeRepository = routeRepository ??
                throw new ArgumentNullException(nameof(routeRepository));
        }
        private void ButtonRouteSave_Click(object sender, EventArgs e)
        {
            try
            {
                if (string.IsNullOrWhiteSpace(textBoxStartPoint.Text) || string.IsNullOrWhiteSpace(textBoxEndPoint.Text))
                    throw new Exception("Имеются незаполненные поля");

                if (_routeId.HasValue)
                    _routeRepository.UpdateRoute(CreateRoute(_routeId.Value));
                else
                    _routeRepository.CreateRoute(CreateRoute(0));

                Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
        private void ButtonCancel_Click(object sender, EventArgs e) => Close();

        private Route CreateRoute(int id)
        {        
            return Route.CreateEntity(id, textBoxStartPoint.Text, textBoxEndPoint.Text, (float)numericUpDownLength.Value);
        }
    }
}