using ProjectOptika.Scripts.Repositories;
using Unity;

namespace ProjectOptika.Scripts.Forms
{
    public partial class FormItemOrders : Form
    {
        private readonly IUnityContainer _container;
        private readonly IOrderRepository _orderRepository;

        public FormItemOrders(IUnityContainer container, IOrderRepository orderRepository)
        {
            InitializeComponent();
            _container = container ??
                throw new ArgumentNullException(nameof(container));
            _orderRepository = orderRepository ??
                throw new ArgumentNullException(nameof(orderRepository));
        }

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

        private void LoadList()
        {
            dataGridView.DataSource = _orderRepository.GetOrders();
            dataGridView.Columns["ID"].Visible = false;
            dataGridView.Columns["OrderDate"].DefaultCellStyle.Format = "dd MM yyyy";
        }

        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;
        }

        private void ButtonAdd_Click(object sender, EventArgs e)
        {
            try
            {
                _container.Resolve<FormItemOrder>().ShowDialog();
                LoadList();

            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при добавлении",
                MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

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