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;
using Cruiser.Drawing;

namespace Cruiser
{
    public partial class FormCruiserConfig : Form
    {
        /// <summary>
        /// Переменная-выбранная лайнера
        /// </summary>
        DrawingCruiser? _cruiser = null;
        /// <summary>
        /// Событие
        /// </summary>
        private event Action<DrawingCruiser>? EventAddCruiser;
        /// <summary>
        /// Конструктор
        /// </summary>
        public FormCruiserConfig()
        {
            InitializeComponent();
            panelColorRed.MouseDown += panelColor_MouseDown;
            panelColorSienna.MouseDown += panelColor_MouseDown;
            panelColorForestGreen.MouseDown += panelColor_MouseDown;
            panelColorAquamarine.MouseDown += panelColor_MouseDown;
            panelColorCrimson.MouseDown += panelColor_MouseDown;
            panelColorDodgerBlue.MouseDown += panelColor_MouseDown;
            panelColorGold.MouseDown += panelColor_MouseDown;
            panelColorPlum.MouseDown += panelColor_MouseDown;
            buttonCancel.Click += (s, e) => Close();
        }
        /// <summary>
        /// Отрисовать лайнер
        /// </summary>
        private void DrawCruiser()
        {
            Bitmap bmp = new(pictureBoxToCruiser.Width, pictureBoxToCruiser.Height);
            Graphics gr = Graphics.FromImage(bmp);
            _cruiser?.SetPosition(15, 15);
            _cruiser?.DrawTransport(gr);
            pictureBoxToCruiser.Image = bmp;
        }
        /// Добавление события
        /// </summary>
        /// <param name="ev">Привязанный метод</param>
        public void AddEvent(Action<DrawingCruiser> ev)
        {
            if (EventAddCruiser == null)
            {
                EventAddCruiser = ev;
            }
            else
            {
                EventAddCruiser += ev;
            }
        }
        /// <summary>
        /// Добавление лайнера
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonAdd_Click(object sender, EventArgs e)
        {
            EventAddCruiser?.Invoke(_cruiser);
            Close();
        }
        /// <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 "labelCruiser":
                    _cruiser = new DrawingCruiser((int)numericUpDownSpeed.Value, (int)numericUpDownWeight.Value,
                        Color.Orchid, Color.Black,
                        pictureBoxToCruiser.Width,
                        pictureBoxToCruiser.Height);
                    break;
                case "labelProCruiser":
                    _cruiser = new DrawingProCruiser((int)numericUpDownSpeed.Value, (int)numericUpDownWeight.Value,
                        Color.Orchid, Color.Black, Color.Aquamarine,
                        checkBoxRockMines.Checked, checkBoxHelipad.Checked,
                        pictureBoxToCruiser.Width,
                        pictureBoxToCruiser.Height);
                    break;
            }
            DrawCruiser();
        }
        private void panelColor_MouseDown(object sender, MouseEventArgs e)
        {
            (sender as Panel)?.DoDragDrop((sender as Panel)?.BackColor, DragDropEffects.Move | DragDropEffects.Copy);
        }

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

        private void labelColor_DragDrop(object sender, DragEventArgs e)
        {
            if (_cruiser == null)
                return;
            switch (((Label)sender).Name)
            {
                case "labelColor":
                    _cruiser.setBodyColor((Color)e.Data.GetData(typeof(Color)));
                    break;
                case "labelDopColor":
                    if (!(_cruiser is DrawingProCruiser))
                        return;
                    (_cruiser as DrawingProCruiser).setElementColor((Color)e.Data.GetData(typeof(Color)));
                    break;
            }
            DrawCruiser();
        }
    }
}