using ProjectTank.DrawningObjects;

namespace ProjectTank
{
    /// <summary>
    /// Форма создания объекта
    /// </summary>
    public partial class FormTankConfig : Form
    {
        /// <summary>
        /// Переменная-выбранный танк
        /// </summary>
        DrawningTankBase? _tank = null;
        /// <summary>
        /// Событие
        /// </summary>
        private event Action<DrawningTankBase>? EventAddTank;

        /// <summary>
        /// Конструктор
        /// </summary>
        public FormTankConfig()
        {
            InitializeComponent();
            yellowPanel.MouseDown += PanelColor_MouseDown;
            cyanPanel.MouseDown += PanelColor_MouseDown;
            purplePanel.MouseDown += PanelColor_MouseDown;
            redPanel.MouseDown += PanelColor_MouseDown;
            greenPanel.MouseDown += PanelColor_MouseDown;
            orangePanel.MouseDown += PanelColor_MouseDown;
            blackPanel.MouseDown += PanelColor_MouseDown;
            bluePanel.MouseDown += PanelColor_MouseDown;
            labelSimpleObject.MouseDown += LabelObject_MouseDown;
            labelModifiedObject.MouseDown += LabelObject_MouseDown;
            cancelButton.Click += (s, e) => Close();
        }
        /// <summary>
        /// Отрисовать танк
        /// </summary>
        private void DrawTank()
        {
            Bitmap bmp = new(pictureBoxObject.Width, pictureBoxObject.Height);
            Graphics gr = Graphics.FromImage(bmp);
            _tank?.SetPosition(5, 5);
            _tank?.DrawTransport(gr);
            pictureBoxObject.Image = bmp;
        }
        /// <summary>
        /// Добавление события
        /// </summary>
        /// <param name="ev">Привязанный метод</param>
        public void AddEvent(Action<DrawningTankBase> ev)
        {
            if (EventAddTank == null) EventAddTank = ev;
            else EventAddTank += ev;
        }
        private void PanelColor_MouseDown(object sender, MouseEventArgs e)
        {
            (sender as Panel)?.DoDragDrop((sender as Panel)?.BackColor, DragDropEffects.Move | DragDropEffects.Copy);

        }
        /// <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,
           DragDropEffects.Move | DragDropEffects.Copy);
        }
        /// <summary>
        /// Проверка получаемой информации (ее типа на соответствие требуемому)
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void PanelObject_DragEnter(object sender, DragEventArgs e)
        {
            if (e.Data?.GetDataPresent(DataFormats.Text) ?? false)
            {
                e.Effect = DragDropEffects.Copy;
            }
            else
            {
                e.Effect = 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":
                    _tank = new DrawningTankBase((int)numericUpDownSpeed.Value,
                   (int)numericUpDownWeight.Value, Color.White, pictureBoxObject.Width,
                   pictureBoxObject.Height);
                    break;
                case "labelModifiedObject":
                    _tank = new DrawningTank((int)numericUpDownSpeed.Value,
                   (int)numericUpDownWeight.Value, Color.White, Color.Black, checkBoxTankTower.Checked,
                   checkBoxAntiAirforceGun.Checked, pictureBoxObject.Width, pictureBoxObject.Height);
                    break;
            }

            mainColorLabel.BackColor = Color.Empty;
            additionalColorLabel.BackColor = Color.Empty;
            DrawTank();
        }
        /// <summary>
        /// Добавление танка
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonOk_Click(object sender, EventArgs e)
        {
            EventAddTank?.Invoke(_tank);
            Close();
        }
        private void ColorLabel_DragDrop(object sender, DragEventArgs e)
        {
            string senderName = ((Label)sender).Name;
            if (_tank == null || e.Data.GetDataPresent(typeof(Color)) == false)
                return;

            Color droppedColor = (Color)e.Data.GetData(typeof(Color));

            if (senderName == "mainColorLabel")
            {
                mainColorLabel.BackColor = droppedColor;
                ((DrawningTankBase)_tank).ChangeColor(mainColorLabel.BackColor);
            }
            else if (senderName == "additionalColorLabel" && _tank is DrawningTank)
            {
                additionalColorLabel.BackColor = droppedColor;
                ((DrawningTank)_tank).ChangeAdditionalColor(additionalColorLabel.BackColor);
            }

            DrawTank();
        }
        private void ColorLabel_DragEnter(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(typeof(Color)))
            {
                e.Effect = DragDropEffects.Copy;
            }
            else
            {
                e.Effect = DragDropEffects.None;
            }
        }
    }
}