using ProjectGarage.Repositories;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Unity;

namespace ProjectGarage.Forms
{
    public partial class FormReplenishments : Form
    {
        private readonly IUnityContainer _container;
        private readonly IReplenishmentRepository _replenishmentRepository;

        public FormReplenishments(IUnityContainer container, IReplenishmentRepository replenishmentRepository)
        {
            InitializeComponent();
            _container = container ??
            throw new ArgumentNullException(nameof(container));
            _replenishmentRepository = replenishmentRepository ??
                throw new ArgumentNullException(nameof(replenishmentRepository));
        }
        private void FormReplenishments_Load(object sender, EventArgs e)
        {
            try
            {
                LoadList();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при загрузке",
                MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        public FormReplenishments(IContainer container)
        {
            container.Add(this);

            InitializeComponent();
        }

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

        private void ButtonDeleteReplenishment_Click(object sender, EventArgs e)
        {
            if (!TryGetIdentifierFromSelectedRow(out var findId))
            {
                return;
            }
            if (MessageBox.Show("Удалить запись?", "Удаление", MessageBoxButtons.YesNo) != DialogResult.Yes)
            {
                return;
            }
            try
            {
                _replenishmentRepository.DeleteFuelReplenishment(findId);
                LoadList();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при удалении",
                MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
        private void LoadList() => dataGridViewReplenishments.DataSource = _replenishmentRepository.ReadFuelReplenishment();
        
        private bool TryGetIdentifierFromSelectedRow(out int id)
        {
            id = 0;
            if (dataGridViewReplenishments.SelectedRows.Count < 1)
            {
                MessageBox.Show("Нет выбранной записи", "Ошибка",
                MessageBoxButtons.OK, MessageBoxIcon.Error);
                return false;
            }
            id =
            Convert.ToInt32(dataGridViewReplenishments.SelectedRows[0].Cells["Id"].Value);
            return true;
        }
    }
}