using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Artilleries
{
    public partial class FormArtilleryConfig : Form
    {
        DrawingArtillery _artillery = null;
        private event ArtilleryDelegate EventAddArtillery;

        public FormArtilleryConfig()
        {
            InitializeComponent();
            panelBlack.MouseDown += panelColor_MouseDown;
            panelPurple.MouseDown += panelColor_MouseDown;
            panelGray.MouseDown += panelColor_MouseDown;
            panelGreen.MouseDown += panelColor_MouseDown;
            panelRed.MouseDown += panelColor_MouseDown;
            panelWhite.MouseDown += panelColor_MouseDown;
            panelYellow.MouseDown += panelColor_MouseDown;
            panelBlue.MouseDown += panelColor_MouseDown;
            buttonCancel.Click += (sender, e) => Close();
        }

        private void DrawArtillery()
        {
            Bitmap bmp = new(pictureBoxObject.Width, pictureBoxObject.Height);
            Graphics gr = Graphics.FromImage(bmp);
            _artillery?.SetPosition(5, 5, pictureBoxObject.Width, pictureBoxObject.Height);
            _artillery?.DrawTransport(gr);
            pictureBoxObject.Image = bmp;
        }

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

        private void panelObject_DragEnter(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(DataFormats.Text))
            {
                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 "labelSimpleObject":
                    _artillery = new DrawingArtillery((int)numericUpDownSpeed.Value, (int)numericUpDownWeight.Value, Color.White);
                    break;
                case "labelAdvancedObject":
                    _artillery = new DrawingAdvancedArtillery((int)numericUpDownSpeed.Value, (int)numericUpDownWeight.Value, Color.White, Color.Black, checkBoxWeapon.Checked, checkBoxSalvoBattery.Checked);
                    break;
            }
            DrawArtillery();
        }

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

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

        private void labelBaseColor_DragDrop(object sender, DragEventArgs e)
        {
            _artillery.SetBodyColor((Color) e.Data.GetData(typeof(Color)));
            DrawArtillery();
        }

        private void labelDopColor_DragDrop(object sender, DragEventArgs e)
        {
            if (_artillery is DrawingAdvancedArtillery artillery)
            {
                artillery.SetDopColor((Color)e.Data.GetData(typeof(Color)));
            }
            DrawArtillery();
        }

        public void AddEvent(ArtilleryDelegate ev)
        {
            if (EventAddArtillery == null)
            {
                EventAddArtillery = new ArtilleryDelegate(ev);
            }
            else
            {
                EventAddArtillery += ev;
            }
        }

        private void buttonOk_Click(object sender, EventArgs e)
        {
            EventAddArtillery?.Invoke(_artillery);
            Close();
        }
    }
}