using System.Windows.Forms;
using WarmlyLocomotive.DrawningObjects;

using WarmlyLocomotive.MovementStrategy;

namespace WarmlyLocomotive
{
    /// <summary>
    /// Форма работы с объектом "Спортивный автомобиль"
    /// </summary>
    public partial class WarmlyLocomotiveForm : Form
    {
        /// <summary>
        /// Поле-объект для прорисовки объекта
        /// </summary>
        private DrawningWarmlyLocomotive? _drawningWarmlyLocomotive;
        private AbstractStrategy? _abstractStrategy;
        public WarmlyLocomotiveForm()
        {
            InitializeComponent();
        }

        /// <summary>
        /// Метод прорисовки машины
        /// </summary>
        private void Draw()
        {
            if (_drawningWarmlyLocomotive == null)
            {
                return;
            }
            Bitmap bmp = new(pictureBox1.Width,
            pictureBox1.Height);
            Graphics gr = Graphics.FromImage(bmp);
            _drawningWarmlyLocomotive.DrawTransport(gr);
            pictureBox1.Image = bmp;
        }
        /// <summary>
        /// Обработка нажатия кнопки "Создать тепловоз"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonCreate_Click(object sender, EventArgs e)
        {
            Random random = new();
            _drawningWarmlyLocomotive = new DrawningWarmlyLocomotive(random.Next(100, 300),
            random.Next(1000, 3000),
            Color.FromArgb(random.Next(0, 256), random.Next(0, 256),
            random.Next(0, 256)),
            pictureBox1.Width, pictureBox1.Height);
            _drawningWarmlyLocomotive.SetPosition(random.Next(10, 100), random.Next(10,
            100));
            Draw();
        }

        private void buttonMove_Click(object sender, EventArgs e)
        {

            if (_drawningWarmlyLocomotive == null)
            {
                return;
            }
            string name = ((Button)sender)?.Name ?? string.Empty;
            switch (name)
            {
                case "buttonUp":
                    _drawningWarmlyLocomotive.MoveTransport(Direction.Up);
                    break;
                case "buttonDown":
                    _drawningWarmlyLocomotive.MoveTransport(Direction.Down);
                    break;
                case "buttonLeft":
                    _drawningWarmlyLocomotive.MoveTransport(Direction.Left);
                    break;
                case "buttonRight":
                    _drawningWarmlyLocomotive.MoveTransport(Direction.Right);
                    break;
            }
            Draw();
        }

        private void pictureBox1_Click(object sender, EventArgs e)
        {

        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {

        }
        /// <summary>
        /// Обработка нажатия кнопки "Шаг"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonStep_Click(object sender, EventArgs e)
        {
            if (_drawningWarmlyLocomotive == null)
            {
                return;
            }
            if (comboBox1.Enabled)
            {
                _abstractStrategy = comboBox1.SelectedIndex
                switch
                {
                    0 => new MoveToCenter(),
                    1 => new MoveToBorder(),
                    _ => null,
                };
                if (_abstractStrategy == null)
                {
                    return;
                }
                _abstractStrategy.SetData(new
                DrawningObjectCar(_drawningWarmlyLocomotive), pictureBox1.Width,
                pictureBox1.Height);
                comboBox1.Enabled = false;
            }
            if (_abstractStrategy == null)
            {
                return;
            }
            _abstractStrategy.MakeStep();
            Draw();
            if (_abstractStrategy.GetStatus() == Status.Finish)
            {
                comboBox1.Enabled = true;
                _abstractStrategy = null;
            }
        }
        /// <summary>
        /// Обработка нажатия кнопки "Создать продвинутый тепловоз"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonCreate_Pro_Click(object sender, EventArgs e)
        {
            Random random = new();
            _drawningWarmlyLocomotive = new DrawningPro(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)),
            pictureBox1.Width, pictureBox1.Height);
            _drawningWarmlyLocomotive.SetPosition(random.Next(10, 100), random.Next(10,
            100));
            Draw();
        }
    }
}