namespace Excavator;

/// <summary>
/// Форма работы с объектом "Экскаватор"
/// </summary>
public partial class FormExcavator : Form
{
    /// <summary>
    /// Поле-объект для прорисовки объекта
    /// </summary>
    private DrawningExcavator? _drawningExcavator;


    /// <summary>
    /// Конструктор формы
    /// </summary>
    public FormExcavator()
    {
        InitializeComponent();
    }
    /// <summary>
    /// Метод прорисовки машины
    /// </summary>

    private void Draw()
    {
            if(_drawningExcavator == null)
            {
                return;
            }
            Bitmap bmp = new(pictureBoxExcavator.Width, pictureBoxExcavator.Height);
            Graphics gr = Graphics.FromImage(bmp);
            _drawningExcavator.DrawTransport(gr);
            pictureBoxExcavator.Image = bmp;

    }



    /// <summary>
    /// Обработка нажатия кнопки "Создать"
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private void buttonCreate_Click(object sender, EventArgs e)
    {
            
            Random random = new();
            _drawningExcavator = new DrawningExcavator();
            _drawningExcavator.Init(random.Next(100, 300), random.Next(1000, 3000),
                Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)),
                Color.FromArgb(random.Next(0, 256), random.Next(0, 256), random.Next(0, 256)),
                Convert.ToBoolean(random.Next(0, 2)), Convert.ToBoolean(random.Next(0, 2)));
            _drawningExcavator.SetPictureSize(pictureBoxExcavator.Width, pictureBoxExcavator.Height);
            _drawningExcavator.SetPosition(random.Next(10, 100), random.Next(10, 100));

            

            Draw();
    }


        /// <summary>
        /// Перемещение объекта по форме (нажатие кнопок навигации)
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonMove_Click(object sender, EventArgs e)
        {
            if (_drawningExcavator == null)
            {
                return;
            }

            string name = ((Button)sender)?.Name ?? string.Empty;
            bool result = false;
            switch (name)
            {
                case "buttonUp":
                    result = _drawningExcavator.MoveTransport(DirectionType.Up);
                    break;
                case "buttonDown":
                    result = _drawningExcavator.MoveTransport(DirectionType.Down);
                    break;
                case "buttonLeft":
                    result = _drawningExcavator.MoveTransport(DirectionType.Left);
                    break;
                case "buttonRight":
                    result = _drawningExcavator.MoveTransport(DirectionType.Right);
                    break;
            }

            if (result)
            {
                Draw();
            }
        }
}