using ProjectMonorail.Scripts.Monorail.Drawnings;
using ProjectMonorail.Scripts.Monorail.Entities;

namespace ProjectMonorail
{
    /// <summary>
    /// Форма конфигурации объекта
    /// </summary>
    public partial class FormMonorailConfig : Form
    {
        #region Events & Delegates
        private event Action<DrawingMonorail> OnSendEvent_Monorail;
        #endregion

        /// <summary>
        /// Объект прорисовки монорельса
        /// </summary>
        private DrawingMonorail? _monorail;

        /// <summary>
        /// Конструктор
        /// </summary>
        public FormMonorailConfig()
        {
            InitializeComponent();

            panelColor_Red.MouseDown += PanelColor_MouseDown;
            panelColor_Green.MouseDown += PanelColor_MouseDown;
            panelColor_Blue.MouseDown += PanelColor_MouseDown;
            panelColor_Yellow.MouseDown += PanelColor_MouseDown;
            panelColor_Purple.MouseDown += PanelColor_MouseDown;
            panelColor_White.MouseDown += PanelColor_MouseDown;
            panelColor_Black.MouseDown += PanelColor_MouseDown;
            panelColor_Grey.MouseDown += PanelColor_MouseDown;

            // TODO buttonCancel.Click with lambda
            buttonCancel.Click += (object? obj, EventArgs e) => Close();
        }

        public void AddEventListener_Monorail(Action<DrawingMonorail> method)
        {
            OnSendEvent_Monorail += method;
        }

        /// <summary>
        /// Прорисовка объекта
        /// </summary>
        private void DrawObject()
        {
            Bitmap bmp = new Bitmap(pictureBoxObject.Width, pictureBoxObject.Height);
            Graphics g = Graphics.FromImage(bmp);
            _monorail?.SetPictureSize(pictureBoxObject.Width, pictureBoxObject.Height);
            _monorail?.SetPosition(10, 10);
            _monorail?.DrawTransport(g);
            pictureBoxObject.Image = bmp;
        }

        /// <summary>
        /// Передаем информацию при нажатии на Label
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void LabelObject_MouseDown(object sender, MouseEventArgs e)
        {
            (sender as Label)?.DoDragDrop((sender as Label)?.Name ?? string.Empty, DragDropEffects.Move | DragDropEffects.Copy);
        }

        /// <summary>
        /// Проверка полученной информации(ее типа на соответствие требуемому)
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void PanelObject_DragEnter(object sender, DragEventArgs e)
        {
            e.Effect = e.Data?.GetDataPresent(DataFormats.Text) ?? false ? DragDropEffects.Copy : DragDropEffects.None;
        }

        /// <summary>
        /// Действия при приеме перетаскиваемой информации
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void PanelObject_DragDrop(object sender, DragEventArgs e)
        {
            switch (e.Data?.GetData(DataFormats.Text)?.ToString())
            {
                case "labelSimpleObject":
                    _monorail = new DrawingMonorail((int)numericUpDownSpeed.Value, (double)numericUpDownWeight.Value, Color.White);
                    panelAdditionalColor.AllowDrop = false;
                    break;
                case "labelModifiedObject":
                    _monorail = new DrawingModernMonorail((int)numericUpDownSpeed.Value, (double)numericUpDownWeight.Value, Color.White,
                        Color.Black, checkBoxMonorailTrack.Checked, checkBoxCabin.Checked);
                    panelAdditionalColor.AllowDrop = true;
                    break;
            }
            DrawObject();
        }

        /// <summary>
        /// Передаем информацию при нажатии на Panel
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void PanelColor_MouseDown(object? sender, MouseEventArgs e)
        {
            (sender as Panel)?.DoDragDrop((sender as Panel)?.BackColor ?? Color.Black, DragDropEffects.Move | DragDropEffects.Copy);
        }

        private void PanelColor_DragEnter(object? sender, DragEventArgs e)
        {
            e.Effect = e.Data?.GetDataPresent(typeof(Color)) ?? false ? DragDropEffects.Copy : DragDropEffects.None;
        }

        private void PanelColorBody_DragDrop(object sender, DragEventArgs e)
        {
            _monorail?.EntityMonorail?.SetBodyColor((Color)e.Data.GetData(typeof(Color)));

            DrawObject();
        }

        private void PanelColorAdditional_DragDrop(object sender, DragEventArgs e)
        {
            if (_monorail is not DrawingModernMonorail) return;
            ((_monorail as DrawingModernMonorail)?.EntityMonorail as EntityModernMonorail)?.SetAdditionalColor((Color)e.Data.GetData(typeof(Color)));

            DrawObject();
        }

        private void ButtonAdd_MouseClick(object sender, MouseEventArgs e)
        {
            if (_monorail != null) OnSendEvent_Monorail?.Invoke(_monorail);
            Close();
        }
    }
}