using AirBomber.Rendering;

namespace AirBomber
{
    public partial class FormBomberConfig : Form
    {
        BomberRendererBase? _renderer = null;

        private event Action<BomberRendererBase>? OnBomberAdded;

        public FormBomberConfig()
        {
            InitializeComponent();

            RedPanel.MouseDown += PanelColor_MouseDown;
            GreenPanel.MouseDown += PanelColor_MouseDown;
            BluePanel.MouseDown += PanelColor_MouseDown;
            OrangePanel.MouseDown += PanelColor_MouseDown;
            WhitePanel.MouseDown += PanelColor_MouseDown;
            GrayPanel.MouseDown += PanelColor_MouseDown;
            BlackPanel.MouseDown += PanelColor_MouseDown;
            VioletPanel.MouseDown += PanelColor_MouseDown;

            ConfigCancelButton.Click += (sender, e) => { Close(); };
        }

        private void DrawBomber()
        {
            Bitmap bmp = new Bitmap(EntityPictureBox.Width, EntityPictureBox.Height);
            Graphics g = Graphics.FromImage(bmp);

            _renderer?.SetPosition(5, 5);
            _renderer?.DrawEntity(g);

            EntityPictureBox.Image = bmp;
        }

        public void AddEvent(Action<BomberRendererBase> ev)
        {
            if (OnBomberAdded is null)
                OnBomberAdded = ev;
            else
                OnBomberAdded += ev;
        }

        private void LabelObject_MouseDown(object sender, MouseEventArgs e)
        {
            (sender as Label)?.DoDragDrop((sender as Label)?.Name, DragDropEffects.Move | DragDropEffects.Copy);
        }

        private void PanelColor_MouseDown(object? sender, MouseEventArgs e)
        {
            (sender as Panel)?.DoDragDrop((sender as Panel)?.BackColor, DragDropEffects.Move | DragDropEffects.Copy);
        }

        private void PanelObject_DragEnter(object sender, DragEventArgs e)
        {
            if (e.Data?.GetDataPresent(DataFormats.Text) ?? false)
                e.Effect = DragDropEffects.Copy;
            else
                e.Effect = DragDropEffects.None;
        }

        private void LabelColor_DragEnter(object sender, DragEventArgs e)
        {
            if (e.Data?.GetDataPresent("System.Drawing.Color") ?? false)
                e.Effect = DragDropEffects.Copy;
            else
                e.Effect = DragDropEffects.None;
        }

        private void PanelObject_DragDrop(object sender, DragEventArgs e)
        {
            switch (e.Data?.GetData(DataFormats.Text).ToString())
            {
                case "BaseEntityLabel":
                    _renderer = new BomberRendererBase(
                        (int)SpeedNumericUpDown.Value,
                        (int)WeightNumericUpDown.Value,
                        Color.White,
                        EntityPictureBox.Width, EntityPictureBox.Height
                    );
                    break;

                case "AdvancedEntityLabel":
                    _renderer = new BomberRenderer(
                        (int)SpeedNumericUpDown.Value,
                        (int)WeightNumericUpDown.Value,
                        Color.White, Color.Black,
                        FuelTanksCheckbox.Checked,
                        BombsCheckBox.Checked,
                        EntityPictureBox.Width, EntityPictureBox.Height
                    );
                    break;
            }

            DrawBomber();
        }

        private void LabelBaseColor_DragDrop(object sender, DragEventArgs e)
        {
            Color SelectedColor = (Color)e.Data?.GetData("System.Drawing.Color")!;
            _renderer?.SetBaseColor(SelectedColor);

            DrawBomber();
        }

        private void LabelAdditionalColor_DragDrop(object sender, DragEventArgs e)
        {
            Color SelectedColor = (Color)e.Data?.GetData("System.Drawing.Color")!;
            (_renderer as BomberRenderer)?.SetAdditionalColor(SelectedColor);

            DrawBomber();
        }

        private void OkButtonClick(object sender, EventArgs e)
        {
            if (_renderer is not null)
                OnBomberAdded?.Invoke(_renderer);

            Close();
        }
    }
}