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 DumpTruck.DrawingObjects;
using DumpTruck.Entities;

namespace DumpTruck
{
    public partial class FormTruckConfig : Form
    {
        /// <summary>
        /// Переменная-выбранный грузовик
        /// </summary>
        DrawingTruck? _truck = null;
        /// <summary>
        /// Событие
        /// </summary>
        private event Action<DrawingTruck>? EventAddTruck;
        /// <summary>
        /// Конструктор
        /// </summary>
        public FormTruckConfig()
        {
            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 += (object sender, EventArgs e) => Close();
        }
        /// <summary>
        /// Отрисовать грузовик
        /// </summary>
        private void DrawTruck()
        {
            Bitmap bmp = new(pictureBoxObject.Width, pictureBoxObject.Height);
            Graphics gr = Graphics.FromImage(bmp);
            _truck?.SetPosition(5, 5);
            _truck?.DrawTransport(gr);
            pictureBoxObject.Image = bmp;
        }
        /// <summary>
        /// Добавление события
        /// </summary>
        /// <param name="ev">Привязанный метод</param>
        public void AddEvent(Action<DrawingTruck> ev)
        {
            if (EventAddTruck == null)
            {
                EventAddTruck = ev;
            }
            else
            {
                EventAddTruck += ev;
            }
        }
        /// <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":
                    _truck = new DrawingTruck((int)numericUpDownSpeed.Value,
                   (int)numericUpDownWeight.Value, Color.White, pictureBoxObject.Width,
                   pictureBoxObject.Height);
                    break;
                case "labelModifiedObject":
                    _truck = new DrawingDumpTruck((int)numericUpDownSpeed.Value,
                   (int)numericUpDownWeight.Value, Color.White, checkBoxTent.Checked,
                   checkBoxDumpBox.Checked, Color.Black, Color.Gray, pictureBoxObject.Width,
                   pictureBoxObject.Height);
                    break;
            }
            DrawTruck();
        }
        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 labelBaseColor_DragDrop(object sender, DragEventArgs e)
        {
            if (_truck != null)
            {
                if (e.Data.GetDataPresent(typeof(Color)))
                {
                    _truck.EntityTruck.BodyColor = (Color)e.Data.GetData(typeof(Color));
                }
                DrawTruck();
            }
        }
        private void labelDumpBoxColor_DragDrop(object sender, DragEventArgs e)
        {
            if (_truck != null && _truck.EntityTruck is EntityDumpTruck entityDumpTruck)
            {
                if (e.Data.GetDataPresent(typeof(Color)))
                {
                    entityDumpTruck.DumpBoxColor = (Color)e.Data.GetData(typeof(Color));
                }
                DrawTruck();
            }
        }
        private void labelTentColor_DragDrop(object sender, DragEventArgs e)
        {
            if (_truck != null && _truck.EntityTruck is EntityDumpTruck entityDumpTruck)
            {
                if (e.Data.GetDataPresent(typeof(Color)))
                {
                    entityDumpTruck.TentColor = (Color)e.Data.GetData(typeof(Color));
                }
                DrawTruck();
            }
        }

        /// <summary>
        /// Добавление грузовика
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonAdd_Click(object sender, EventArgs e)
        {
            EventAddTruck?.Invoke(_truck);
            Close();
        }
    }
}