using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ProjectAntiAircraftGun.Entities;
using static System.Windows.Forms.VisualStyles.VisualStyleElement;

namespace ProjectAntiAircraftGun.DrawingObjects
{
    public class DrawingTank
    {
        /// <summary>
        /// Класс-сущность
        /// </summary>
        public EntityTank? EntityTank { get; protected set; }
        /// <summary>
        /// Ширина окна
        /// </summary>
        private int _pictureWidth;
        /// <summary>
        /// Высота окна
        /// </summary>
        private int _pictureHeight;
        /// <summary>
        /// Левая координата прорисовки танка
        /// </summary>
        protected int _startPosX;
        /// <summary>
        /// Верхняя кооридната прорисовки танка
        /// </summary>
        protected int _startPosY;
        /// <summary>
        /// Ширина прорисовки танка
        /// </summary>
        protected readonly int _tankWidth = 130;
        /// <summary>
        /// Высота прорисовки танка
        /// </summary>
        protected readonly int _tankHeight = 102;

        /// <summary>
        /// Координата X объекта
        /// </summary>
        public int GetPosX => _startPosX;
        /// <summary>
        /// Координата Y объекта
        /// </summary>
        public int GetPosY => _startPosY;
        /// <summary>
        /// Ширина объекта
        /// </summary>
        public int GetWidth => _tankWidth;
        /// <summary>
        /// Высота объекта
        /// </summary>
        public int GetHeight => _tankHeight;
        /// <summary>
        /// Конструктор
        /// </summary>
        /// <param name="speed">Скорость</param>
        /// <param name="weight">Вес</param>
        /// <param name="bodyColor">Основной цвет</param>
        /// <param name="additionalColor">Дополнительный цвет</param>
        /// <param name="width">Ширина картинки</param>
        /// <param name="height">Высота картинки</param>
        public DrawingTank(int speed, double weight, Color bodyColor, Color additionalColor, int
        width, int height)
        {

            _pictureWidth = width;
            _pictureHeight = height;
            EntityTank = new EntityTank(speed, weight, bodyColor, additionalColor);

            if (_pictureWidth > _tankWidth && _pictureHeight > _tankHeight)
            {
                EntityTank = new EntityTank(speed, weight, bodyColor, additionalColor);
            }
            else
            {
                EntityTank = null;
            }
        }
        /// <summary>
        /// Конструктор
        /// </summary>
        /// <param name="speed">Скорость</param>
        /// <param name="weight">Вес</param>
        /// <param name="bodyColor">Основной цвет</param>
        /// <param name="width">Ширина картинки</param>
        /// <param name="height">Высота картинки</param>
        /// <param name="tankWidth">Ширина прорисовки танка</param>
        /// <param name="tankHeight">Высота прорисовки танка</param>
        protected DrawingTank(int speed, double weight, Color bodyColor, Color additionalColor, int
        width, int height, int tankWidth, int tankHeight)
        {
            _pictureWidth = width;
            _pictureHeight = height;
            EntityTank = new EntityTank(speed, weight, bodyColor, additionalColor);

            if (_pictureWidth > _tankWidth && _pictureHeight > _tankHeight)
            {
                EntityTank = new EntityTank(speed, weight, bodyColor, additionalColor);
            }
            else
            {
                EntityTank = null;
            }
        }

        /// <summary>
        /// Проверка, что объект может переместится по указанному направлению
        /// </summary>
        /// <param name="direction">Направление</param>
        /// <returns>true - можно переместится по указанному направлению</returns>
        public bool CanMove(DirectionType direction)
        {
            if (EntityTank == null)
            {
                return false;
            }
            return direction switch
            {
                //влево
                DirectionType.Left => _startPosX - EntityTank.Step > 0,
                //вверх
                DirectionType.Up => _startPosY - EntityTank.Step > 0,
                // вправо
                DirectionType.Right => _startPosX + _tankWidth + EntityTank.Step < _pictureWidth,
                //вниз
                DirectionType.Down => _startPosY + _tankHeight + EntityTank.Step < _pictureHeight,
                _ => false,
            };
        }

        /// <summary>
        /// Изменение направления перемещения
        /// </summary>
        /// <param name="direction">Направление</param>
        public void MoveTransport(DirectionType direction)
        {
            if (!CanMove(direction) || EntityTank == null)
            {
                return;
            }
            switch (direction)
            {
                //влево
                case DirectionType.Left:
                    _startPosX -= (int)EntityTank.Step;
                    break;
                //вверх
                case DirectionType.Up:
                    _startPosY -= (int)EntityTank.Step;
                    break;
                // вправо
                case DirectionType.Right:
                    _startPosX += (int)EntityTank.Step;
                    break;
                //вниз
                case DirectionType.Down:
                    _startPosY += (int)EntityTank.Step;
                    break;
            }
        }
        /// <summary>
        /// Установка позиции
        /// </summary>
        /// <param name="x">Координата X</param>
        /// <param name="y">Координата Y</param>
        public void SetPosition(int x, int y)
        {
            if (EntityTank == null) return;
            while (x + _tankWidth > _pictureWidth)
            {
                x -= (int)EntityTank.Step;
            }
            while (x < 0)
            {
                x += (int)EntityTank.Step;
            }
            while (y + _tankHeight > _pictureHeight)
            {
                y -= (int)EntityTank.Step;
            }
            while (y < 0)
            {
                y += (int)EntityTank.Step;
            }
            _startPosX = x;
            _startPosY = y;
        }

        /// <summary>
        /// Прорисовка объекта
        /// </summary>
        /// <param name="g"></param>
        public virtual void DrawTransport(Graphics g)
        {
            if (EntityTank == null) { return; }
            Pen pen = new(Color.Black);
            pen.Width = 2;
            Brush brush = new SolidBrush(EntityTank.BodyColor);

            Random random = new Random();
            Brush additionalBrush = new SolidBrush(EntityTank.AdditionalColor);

            // границы зенитной установки
            g.DrawRectangle(pen, _startPosX + 3, _startPosY + 60, 121, 23);
            g.DrawRectangle(pen, _startPosX + 20, _startPosY + 43, 54, 16);
            g.DrawRectangle(pen, _startPosX + 42, _startPosY + 33, 16, 9);

            // корпус
            g.FillRectangle(brush, _startPosX + 3, _startPosY + 60, 121, 23);
            g.FillRectangle(brush, _startPosX + 20, _startPosY + 43, 54, 16);
            g.FillRectangle(brush, _startPosX + 42, _startPosY + 33, 16, 9);

            // контур гусеницы
            g.DrawLine(pen, _startPosX + 13, _startPosY + 100, _startPosX + 114, _startPosY + 100);
            g.DrawLine(pen, _startPosX + 6, _startPosY + 99, _startPosX + 16, _startPosY + 99);
            g.DrawLine(pen, _startPosX + 4, _startPosY + 98, _startPosX + 6, _startPosY + 98);
            g.DrawLine(pen, _startPosX + 4, _startPosY + 97, _startPosX + 4, _startPosY + 86);
            g.DrawLine(pen, _startPosX + 4, _startPosY + 86, _startPosX + 5, _startPosY + 86);
            g.DrawLine(pen, _startPosX + 5, _startPosY + 85, _startPosX + 10, _startPosY + 85);
            g.DrawLine(pen, _startPosX + 10, _startPosY + 84, _startPosX + 116, _startPosY + 84);
            g.DrawLine(pen, _startPosX + 116, _startPosY + 85, _startPosX + 123, _startPosY + 85);
            g.DrawLine(pen, _startPosX + 124, _startPosY + 86, _startPosX + 125, _startPosY + 86);
            g.DrawLine(pen, _startPosX + 125, _startPosY + 87, _startPosX + 125, _startPosY + 97);
            g.DrawLine(pen, _startPosX + 123, _startPosY + 98, _startPosX + 125, _startPosY + 98);
            g.DrawLine(pen, _startPosX + 115, _startPosY + 99, _startPosX + 123, _startPosY + 99);

            //гусеница
            g.FillRectangle(additionalBrush, _startPosX + 4, _startPosY + 87, 120, 10);
            g.FillRectangle(additionalBrush, _startPosX + 19, _startPosY + 85, 92, 2);
            g.FillRectangle(additionalBrush, _startPosX + 14, _startPosY + 93, 100, 7);

            // контур колес
            g.DrawEllipse(pen, _startPosX + 5, _startPosY + 83, 18, 17);
            g.DrawEllipse(pen, _startPosX + 30, _startPosY + 88, 15, 12);
            g.DrawEllipse(pen, _startPosX + 50, _startPosY + 88, 15, 12);
            g.DrawEllipse(pen, _startPosX + 70, _startPosY + 88, 15, 12);
            g.DrawEllipse(pen, _startPosX + 87, _startPosY + 88, 15, 12);
            g.DrawEllipse(pen, _startPosX + 107, _startPosY + 83, 18, 17);

            // контур верхних катков
            g.DrawEllipse(pen, _startPosX + 43, _startPosY + 83, 7, 5);
            g.DrawEllipse(pen, _startPosX + 64, _startPosY + 83, 7, 5);
            g.DrawEllipse(pen, _startPosX + 82, _startPosY + 83, 7, 5);


            // колеса
            g.FillEllipse(brush, _startPosX + 5, _startPosY + 83, 18, 17);
            g.FillEllipse(brush, _startPosX + 30, _startPosY + 88, 15, 12);
            g.FillEllipse(brush, _startPosX + 50, _startPosY + 88, 15, 12);
            g.FillEllipse(brush, _startPosX + 70, _startPosY + 88, 15, 12);
            g.FillEllipse(brush, _startPosX + 87, _startPosY + 88, 15, 12);
            g.FillEllipse(brush, _startPosX + 107, _startPosY + 83, 18, 17);

            // верхние катки
            g.FillEllipse(brush, _startPosX + 43, _startPosY + 83, 7, 5);
            g.FillEllipse(brush, _startPosX + 64, _startPosY + 83, 7, 5);
            g.FillEllipse(brush, _startPosX + 82, _startPosY + 83, 7, 5);
        }
    }
}