using ProjectGarage.Repositories;
using ProjectGarage.Repositories.Implementations;
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 Unity;

namespace ProjectGarage.Forms
{
    public partial class FormFuels : Form
    {
        private readonly IUnityContainer _container;
        private readonly IFuelRepository _fuelRepository;

        public FormFuels(IUnityContainer container, IFuelRepository fuelRepository)
        {
            InitializeComponent();
            _container = container ?? throw new ArgumentNullException(nameof(container));
            _fuelRepository = fuelRepository ?? throw new ArgumentNullException(nameof(fuelRepository));
        }

        private void FormFeeds_Load(object sender, EventArgs e)
        {
            try
            {
                LoadList();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при загрузке",
                MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

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

        private void ButtonUpdateFuel_Click(object sender, EventArgs e)
        {
            if (!TryGetIdentifierFromSelectedRow(out var findId))
            {
                return;
            }
            try
            {
                var form = _container.Resolve<FormFuel>();
                form.Id = findId;
                form.ShowDialog();
                LoadList();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при изменении",
                MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

        }

        private void ButtonDeleteFuel_Click(object sender, EventArgs e)
        {
            if (!TryGetIdentifierFromSelectedRow(out var findId))
            {
                return;
            }
            if (MessageBox.Show("Удалить запись?", "Удаление",
            MessageBoxButtons.YesNo) != DialogResult.Yes)
            {
                return;
            }
            try
            {
                _fuelRepository.DeleteFuel(findId);
                LoadList();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при удалении",
                MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void LoadList()
        {
            dataGridViewFuels.DataSource = _fuelRepository.ReadFuels();
            dataGridViewFuels.Columns["Id"].Visible = false;
        }

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