using ProjectAirplaneWithRadar.Drawnings;
using ProjectAirplaneWithRadar.Entities;

namespace ProjectAirplaneWithRadar
{
    /// <summary>
    /// Форма конфигурации объекта
    /// </summary>
    public partial class FormAirplaneConfig : Form
    {
        /// <summary>
        /// Объект - прорисовка самолета
        /// </summary>
        private DrawningAirplane? _airplane;

        /// <summary>
        /// Событие для передачи объекта
        /// </summary>
        private event Action<DrawningAirplane>? AirplaneDelegate;

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

            panelRed.MouseDown += Panel_MouseDown;
            panelGreen.MouseDown += Panel_MouseDown;
            panelBlue.MouseDown += Panel_MouseDown;
            panelYellow.MouseDown += Panel_MouseDown;
            panelWhite.MouseDown += Panel_MouseDown;
            panelGray.MouseDown += Panel_MouseDown;
            panelBlack.MouseDown += Panel_MouseDown;
            panelPurple.MouseDown += Panel_MouseDown;            

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

        /// <summary>
        /// Привязка внешнего метода к событию
        /// </summary>
        /// <param name="carDelegate"></param>
        public void AddEvent(Action<DrawningAirplane> airplaneDelegate)
        {
            AirplaneDelegate += airplaneDelegate;
        }

        /// <summary>
        /// Прорисовка объекта
        /// </summary>
        private void DrawObject()
        {
            Bitmap bmp = new(pictureBoxObject.Width, pictureBoxObject.Height);
            Graphics gr = Graphics.FromImage(bmp);
            _airplane?.SetPictureSize(pictureBoxObject.Width, pictureBoxObject.Height);
            _airplane?.SetPosition(5, 5);
            _airplane?.DrawTransport(gr);
            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 получаемой 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":
                    _airplane = new DrawningAirplane((int)numericUpDownSpeed.Value, (double)numericUpDownWeight.Value, Color.White);
                    break;
                case "labelModifiedObject":
                    _airplane = new DrawingAirplaneWithRadar((int)numericUpDownSpeed.Value, (double)numericUpDownWeight.Value, Color.White,
                        Color.Black, checkBoxWheels.Checked, checkBoxRadar.Checked);
                    break;
            }

            DrawObject();
        }

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

        private void labelBodyColor_DragDrop(object sender, DragEventArgs e)
        {
            if (_airplane == null)
                return;
            _airplane.EntityAirplane?.SetBodyColor((Color)e.Data.GetData(typeof(Color)));
            DrawObject();
        }

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

        private void labelAdditionalColor_DragDrop(object sender, DragEventArgs e)
        {
            if (_airplane?.EntityAirplane is EntityAirplaneWithRadar _airplaneWithRadar)
                _airplaneWithRadar?.SetAdditionalColor((Color)e.Data.GetData(typeof(Color)));
            DrawObject();
        }

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

        /// <summary>
        /// Передача объекта
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ButtonAdd_Click(object sender, EventArgs e)
        {
            if (_airplane != null)
            {
                AirplaneDelegate?.Invoke(_airplane);
                Close();
            }
        }        
    }
}