namespace DoubleDeckerBus
{
    public partial class FormDoubleDeckerBus : Form
    {
        /// <summary>
        /// Поле-объект для прорисовки объекта
        /// </summary>
        private DrawingBus? _drawingBus;
        /// <summary>
        /// Инициализация формы
        /// </summary>
        public FormDoubleDeckerBus()
        {
            InitializeComponent();
        }
        /// <summary>
        /// Метод прорисовки автобуса
        /// </summary>
        private void Draw()
        {
            if (_drawingBus == null)
            {
                return;
            }
            Bitmap bmp = new(pictureBoxBus.Width, pictureBoxBus.Height);
            Graphics gr = Graphics.FromImage(bmp);
            _drawingBus.DrawTransport(gr);
            pictureBoxBus.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();
            _drawingBus = new DrawingBus();
            EntityDoubleDeckerBus bus = new EntityDoubleDeckerBus();
            bus.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)));
            _drawingBus.Init(bus, pictureBoxBus.Width, pictureBoxBus.Height);
            _drawingBus.SetPosition(random.Next(10, 100),
            random.Next(10, 100));
            Draw();
        }
        /// <summary>
        /// Изменение размеров формы
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonMove_Click(object sender, EventArgs e)
        {
            if (_drawingBus == null)
            {
                return;
            }
            string name = ((Button)sender)?.Name ?? string.Empty;
            switch (name)
            {
                case "buttonUp":
                    _drawingBus.MoveTransport(Direction.Up);
                    break;
                case "buttonDown":
                    _drawingBus.MoveTransport(Direction.Down);
                    break;
                case "buttonLeft":
                    _drawingBus.MoveTransport(Direction.Left);
                    break;
                case "buttonRight":
                    _drawingBus.MoveTransport(Direction.Right);
                    break;
            }
            Draw();
        }
    }
}