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;
using System.Xml.Linq;
using ProjectAirline.Repositories;
using Unity;

namespace ProjectAirline.Forms
{
    public partial class FormTickets : Form
    {
        private readonly IUnityContainer _container;
        private readonly ITicketRepository _ticketRepository;
        public FormTickets(IUnityContainer container, ITicketRepository ticketRepository)
        {
            InitializeComponent();
            _container = container ?? throw new ArgumentNullException(nameof(container));
            _ticketRepository = ticketRepository ?? throw new ArgumentNullException(nameof(ticketRepository));
        }
        private void FormTickets_Load(object sender, EventArgs e)
        {
            try
            {
                LoadList();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при загрузке", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void ButtonAdd_Click(object sender, EventArgs e)
        {
            try
            {
                _container.Resolve<FormTicket>().ShowDialog();
                LoadList();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при добавлении", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        
        private void LoadList() => dataGridView.DataSource = _ticketRepository.ReadTickets();
        private bool TryGetIdentifierFromSelectedRow(out int id)
        {
            id = 0;
            if (dataGridView.SelectedRows.Count < 1)
            {
                MessageBox.Show("Нет выбранной записи", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return false;
            }
            id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
            return true;
        }
    }
}