using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http.Headers;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Threading.Tasks;

namespace AirBomber;

/// <summary>
/// Класс, отвечающий за отрисовку и перемещение объекта-сущности
/// </summary>
public class DrawningAirBomber
{
    /// <summary>
    /// Класс-сущность
    /// </summary>
    public EntityAirBomber? EntityAirBomber { get; private set; }
    /// <summary>
    /// Ширина окна отрисовки
    /// </summary>
    private int? _pictureWidth;
    /// <summary>
    /// Высота окна отрисовки
    /// </summary>
    private int? _pictureHeight;
    /// <summary>
    /// Левая координата отрисовки бомбардировщика
    /// </summary>
    public int? _startPosX;
    /// <summary>
    /// Верхняя координата отрисовки бомбардировщика
    /// </summary>
    private int? _startPosY;
    /// <summary>
    /// Ширина отрисовки бомбардировщика
    /// </summary>
    private readonly int _drawningAirBomberWidth = 140;
    /// <summary>
    /// Высота отрисовки бомбардировщика
    /// </summary>
    private readonly int _drawningAirBomberHeight = 128;
    /// <summary>
    /// 
    /// </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="bombs">Признак наличия бомб</param>
    /// <param name="fuelTanks">Признак наличия дополнительный топливных баков</param>
    public void Init(int speed, double weight, Color bodyColor, Color additionalColor, bool bombs, bool fuelTanks)
    {
        EntityAirBomber = new EntityAirBomber();
        EntityAirBomber.Init(speed, weight, bodyColor, additionalColor, bombs, fuelTanks);
        _pictureHeight = null;
        _pictureHeight = null;
        _startPosX = null;
        _startPosY = null;
    }

    /// <summary>
    /// Установка границ поля
    /// </summary>
    /// <param name="width"><Ширина/param>
    /// <param name="height">Высота</param>
    /// <returns></returns>
    public bool SetPictureSize(int width, int height)
    {
        if (_drawningAirBomberHeight > height || _drawningAirBomberWidth > width)
            return false;
            _pictureHeight = height;
        _pictureWidth = width;

        if (_startPosX.HasValue || _startPosY.HasValue)
        {
            if (_startPosX + _drawningAirBomberWidth > _pictureWidth)
                _startPosX = _pictureWidth - _drawningAirBomberWidth;
            else if (_startPosX < 0)
                _startPosX = 0;
            if (_startPosY + _drawningAirBomberHeight > _pictureHeight)
                _startPosY = _pictureHeight - _drawningAirBomberHeight;
            else if (_startPosY < 0)
                _startPosY = 0;
        }
        return true;
    }

    /// <summary>
    /// Установка позиции
    /// </summary>
    /// <param name="x">Координата X</param>
    /// <param name="y">Координата Y</param>
    public void SetPosition(int x, int y)
    {
        if (!_pictureHeight.HasValue || !_pictureWidth.HasValue)
        {
            return;
        }
        if (!_pictureHeight.HasValue || !_pictureWidth.HasValue)
            return;
        if (x + _drawningAirBomberWidth > _pictureWidth) _startPosX = _pictureWidth - _drawningAirBomberWidth;
        else if (x < 0) _startPosX = 0;
        else _startPosX = x;

        if (y + _drawningAirBomberHeight > _pictureHeight) _startPosY = _pictureHeight - _drawningAirBomberHeight;
        else if (y < 0) _startPosY = 0;
        else _startPosY = y;
    }


    public bool MoveAirBomber(DirectionType direction)
    {
        if (EntityAirBomber == null || !_startPosX.HasValue || !_startPosY.HasValue)
        {
            return false;
        }

        switch (direction)
        {
            //влево
            case DirectionType.Left:
                if (_startPosX.Value - EntityAirBomber.Step > 0)
                {
                    _startPosX -= (int)EntityAirBomber.Step;
                }
                return true;
            //вверх
            case DirectionType.Up:
                if (_startPosY.Value - EntityAirBomber.Step > 0)
                {
                    _startPosY -= (int)EntityAirBomber.Step;
                }
                return true;
            //вправо 
            case DirectionType.Right    :
                if (_startPosX.Value + EntityAirBomber.Step + _drawningAirBomberWidth < _pictureWidth)
                {
                    _startPosX += (int)EntityAirBomber.Step;
                }
                return true;
            //вниз 
            case DirectionType.Down:
                if (_startPosY + EntityAirBomber.Step + _drawningAirBomberHeight < _pictureHeight)
                {
                    _startPosY += (int)EntityAirBomber.Step;
                }
                return true;
            default:
                return false;
        }
    }



    /// <summary>
    /// Прорисовка объекта
    /// </summary>
    /// <param name="g"></param>
    public void DrawAirBomber(Graphics g)
    {
        if (EntityAirBomber == null || !_startPosX.HasValue || !_startPosY.HasValue)
        {
            return;
        }
        Pen pen = new(Color.Black);
        Brush additionalBrush = new
        SolidBrush(EntityAirBomber.AdditionalColor);

        if (EntityAirBomber.FuelTanks)
        {
            //Дополнительные топливные баки
            g.FillEllipse(additionalBrush, _startPosX.Value + 90, _startPosY.Value + 50, 29, 29);
            g.DrawEllipse(pen, _startPosX.Value + 90, _startPosY.Value + 50, 29, 29);

            g.FillEllipse(additionalBrush, _startPosX.Value + 30, _startPosY.Value + 50, 29, 29);
            g.DrawEllipse(pen, _startPosX.Value + 30, _startPosY.Value + 50, 29, 29);

        }

       

        Brush brGreen = new SolidBrush(Color.Green);
        Brush brRed = new SolidBrush(Color.Red);
        Brush BodyBrush = new SolidBrush(EntityAirBomber.BodyColor);


        //Бомбы
        if (EntityAirBomber.Bombs)
        {
            Point[] Bomb1Point = { new Point(_startPosX.Value + 77, _startPosY.Value + 125), new Point(_startPosX.Value + 84, _startPosY.Value + 128), new Point(_startPosX.Value + 84, _startPosY.Value + 120), new Point(_startPosX.Value + 79, _startPosY.Value + 122) };
            g.FillPolygon(brGreen, Bomb1Point);
            g.DrawLine(pen, _startPosX.Value + 77, _startPosY.Value + 125, _startPosX.Value + 84, _startPosY.Value + 128);
            g.DrawLine(pen, _startPosX.Value + 84, _startPosY.Value + 128, _startPosX.Value + 84, _startPosY.Value + 120);
            g.DrawLine(pen, _startPosX.Value + 84, _startPosY.Value + 120, _startPosX.Value + 79, _startPosY.Value + 122);
            g.FillRectangle(brGreen, _startPosX.Value + 65, _startPosY.Value + 121, 5, 5);
            g.DrawRectangle(pen, _startPosX.Value + 65, _startPosY.Value + 121, 5, 5);
            Point[] BombNose1Point = { new Point(_startPosX.Value + 65, _startPosY.Value + 119), new Point(_startPosX.Value + 60, _startPosY.Value + 123), new Point(_startPosX.Value + 65, _startPosY.Value + 128) };
            g.FillPolygon(brRed, BombNose1Point);

            Point[] Bomb2Point = { new Point(_startPosX.Value + 77, _startPosY.Value + 3), new Point(_startPosX.Value + 84, _startPosY.Value), new Point(_startPosX.Value + 84, _startPosY.Value + 8), new Point(_startPosX.Value + 79, _startPosY.Value + 6) };
            g.FillPolygon(brGreen, Bomb2Point);
            g.DrawLine(pen, _startPosX.Value + 77, _startPosY.Value + 3, _startPosX.Value + 84, _startPosY.Value);
            g.DrawLine(pen, _startPosX.Value + 84, _startPosY.Value, _startPosX.Value + 84, _startPosY.Value + 8);
            g.DrawLine(pen, _startPosX.Value + 84, _startPosY.Value + 8, _startPosX.Value + 79, _startPosY.Value + 6);
            g.FillRectangle(brGreen, _startPosX.Value + 65, _startPosY.Value + 2, 5, 5);
            g.DrawRectangle(pen, _startPosX.Value + 65, _startPosY.Value + 2, 5, 5);
            Point[] BombNose2Point = { new Point(_startPosX.Value + 65, _startPosY.Value + 9), new Point(_startPosX.Value + 60, _startPosY.Value + 5), new Point(_startPosX.Value + 65, _startPosY.Value) };
            g.FillPolygon(brRed, BombNose2Point);
        }
       


       


        //Корпус
        Brush brGray = new SolidBrush(Color.Gray);
        g.FillRectangle(BodyBrush, _startPosX.Value + 20, _startPosY.Value + 55, 120, 18);
        g.DrawRectangle(pen, _startPosX.Value + 20, _startPosY.Value + 55, 120, 18);
        //Нос
        Brush brBlack = new SolidBrush(Color.Black);
        Point[] NosePoints = { new Point(_startPosX.Value + 20, _startPosY.Value + 55), new Point(_startPosX.Value, _startPosY.Value + 64), new Point(_startPosX.Value + 20, _startPosY.Value + 73) };
        g.FillPolygon(brBlack, NosePoints);
        g.DrawLine(pen, _startPosX.Value + 20, _startPosY.Value + 55, _startPosX.Value, _startPosY.Value + 64);
        g.DrawLine(pen, _startPosX.Value, _startPosY.Value + 64, _startPosX.Value + 20, _startPosY.Value + 73);

        //Крылья 

        Point[] UpperWingPoint = { new Point(_startPosX.Value + 71, _startPosY.Value + 55), new Point(_startPosX.Value + 71, _startPosY.Value + 1), new Point(_startPosX.Value + 77, _startPosY.Value + 1), new Point(_startPosX.Value + 85, _startPosY.Value + 54) };
        g.FillPolygon(BodyBrush, UpperWingPoint);
        g.DrawLine(pen, _startPosX.Value + 70, _startPosY.Value + 55, _startPosX.Value + 70, _startPosY.Value);
        g.DrawLine(pen, _startPosX.Value + 70, _startPosY.Value, _startPosX.Value + 77, _startPosY.Value);
        g.DrawLine(pen, _startPosX.Value + 77, _startPosY.Value, _startPosX.Value + 85, _startPosY.Value + 55);


        Point[] LowerWingPoint = { new Point(_startPosX.Value + 71, _startPosY.Value + 74), new Point(_startPosX.Value + 71, _startPosY.Value + 128), new Point(_startPosX.Value + 77, _startPosY.Value + 128), new Point(_startPosX.Value + 85, _startPosY.Value + 74) };
        g.FillPolygon(BodyBrush, LowerWingPoint);
        g.DrawLine(pen, _startPosX.Value + 70, _startPosY.Value + 73, _startPosX.Value + 70, _startPosY.Value + 128);
        g.DrawLine(pen, _startPosX.Value + 70, _startPosY.Value + 128, _startPosX.Value + 77, _startPosY.Value + 128);
        g.DrawLine(pen, _startPosX.Value + 77, _startPosY.Value + 128, _startPosX.Value + 85, _startPosY.Value + 73);


        //Хвост
        Point[] UpTailPoint = { new Point(_startPosX.Value + 140, _startPosY.Value + 55), new Point(_startPosX.Value + 140, _startPosY.Value + 27), new Point(_startPosX.Value + 120, _startPosY.Value + 46), new Point(_startPosX.Value + 120, _startPosY.Value + 55) };
        g.FillPolygon(BodyBrush, UpTailPoint);
        g.DrawLine(pen, _startPosX.Value + 140, _startPosY.Value + 55, _startPosX.Value + 140, _startPosY.Value + 27);
        g.DrawLine(pen, _startPosX.Value + 140, _startPosY.Value + 27, _startPosX.Value + 120, _startPosY.Value + 46);
        g.DrawLine(pen, _startPosX.Value + 120, _startPosY.Value + 46, _startPosX.Value + 120, _startPosY.Value + 55);

        Point[] LowerTailPoint = { new Point(_startPosX.Value + 140, _startPosY.Value + 73), new Point(_startPosX.Value + 140, _startPosY.Value + 102), new Point(_startPosX.Value + 120, _startPosY.Value + 83), new Point(_startPosX.Value + 120, _startPosY.Value + 55) };
        g.FillPolygon(BodyBrush, LowerTailPoint);
        g.DrawLine(pen, _startPosX.Value + 140, _startPosY.Value + 73, _startPosX.Value + 140, _startPosY.Value + 102);
        g.DrawLine(pen, _startPosX.Value + 140, _startPosY.Value + 102, _startPosX.Value + 120, _startPosY.Value + 83);
        g.DrawLine(pen, _startPosX.Value + 120, _startPosY.Value + 83, _startPosX.Value + 120, _startPosY.Value + 73);
        g.DrawLine(pen, _startPosX.Value + 140, _startPosY.Value + 73, _startPosX.Value + 100, _startPosY.Value + 73);

    }
}