using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Excavator
{
    internal class DrawingExc
    {
        public EntityExcavator? EntityExcavator { get; private set; }
        private int _pictureWidth;
        private int _pictureHeight;
        private int _startPosX;
        private int _startPosY;
        private readonly int _excWidth = 200;
        private readonly int _excHeight = 124;
        public bool Init(EntityExcavator bus, int width, int height)
        {
            _pictureWidth = width;
            _pictureHeight = height;
            EntityExcavator = bus;
            if (_pictureWidth < _excWidth || _pictureHeight < _excHeight)
            {
                return false;
            }
            return true;
        }
        public void SetPosition(int x, int y)
        {
            _startPosX = x;
            _startPosY = y;
            if (_startPosX + _excWidth > _pictureWidth) {
                _startPosX = _pictureWidth - _excWidth;
            }
            if (_startPosX < 0)
            {
                _startPosX = 0;
            }
            if (_startPosY + _excHeight > _pictureHeight)
            { 
                _startPosY = _pictureHeight - _excHeight;
            }
            if (_startPosY < 0)
            {
                _startPosY = 0;
            }
        }
        public void MoveTransport(Direction direction)
        {
            if (EntityExcavator == null)
        {
                return;
            }
            switch (direction)
            {
                case Direction.Left:
                    if (_startPosX - EntityExcavator.Step > -17)
                    {
                        _startPosX -= (int)EntityExcavator.Step;
                    }
                    break;
                case Direction.Up:
                    if (_startPosY - EntityExcavator.Step > -35)
                    {
                        _startPosY -= (int)EntityExcavator.Step;
                    }
                    break;
                case Direction.Right:
                    if (_startPosX + EntityExcavator.Step + _excWidth + 14 < _pictureWidth)
                    {
                        _startPosX += (int)EntityExcavator.Step;
                    }
                    break;
                case Direction.Down:
                     if (_startPosY + EntityExcavator.Step + _excHeight < _pictureHeight)
                    {
                        _startPosY += (int)EntityExcavator.Step;
                    }
                    break;
            }
        }
        public void DrawTransport(Graphics g)
        {
            if (EntityExcavator == null)
            {
                return;
            }
            Pen pen = new(Color.Black);
            Brush additionalBrush = new
            SolidBrush(EntityExcavator.AdditionalColor);

            g.FillRectangle(additionalBrush, _startPosX + 40, _startPosY + 60, 140, 35); //маленький 
            g.FillRectangle(additionalBrush, _startPosX + 70, _startPosY + 30, 15, 35); //2
            g.FillRectangle(additionalBrush, _startPosX + 135, _startPosY + 30, 40, 40); //большой прямоугольник 2

            Brush additionalBrush1 = new
            SolidBrush(EntityExcavator.AdditionalColor);
            if (EntityExcavator.bucket)
            {
                Brush additionalBrush2 = new
                SolidBrush(EntityExcavator.AdditionalColor);

                g.FillRectangle(additionalBrush, _startPosX + 20, _startPosY + 70, 20, 5);
                g.FillRectangle(additionalBrush, _startPosX + 10, _startPosY + 65, 15, 50);

            }
            if (EntityExcavator.Support)
            {
                g.FillRectangle(additionalBrush, _startPosX + 170, _startPosY + 75, 35, 5);
                g.FillRectangle(additionalBrush, _startPosX + 200, _startPosY + 55, 15, 45);
                g.FillRectangle(additionalBrush, _startPosX + 195, _startPosY + 100, 30, 5);
            }
            Brush gr = new SolidBrush(Color.Gray);

            g.FillEllipse(additionalBrush1, _startPosX + 30, _startPosY + 100, 25, 25);
            g.FillEllipse(additionalBrush1, _startPosX + 155, _startPosY + 100, 25, 25);

            g.FillEllipse(gr, _startPosX + 65, _startPosY + 108, 17, 17);
            g.FillEllipse(gr, _startPosX + 95, _startPosY + 108, 17, 17);
            g.FillEllipse(gr, _startPosX + 120, _startPosY + 108, 17, 17);

            g.FillEllipse(gr, _startPosX + 83, _startPosY + 100, 8, 8);
            g.FillEllipse(gr, _startPosX + 110, _startPosY + 100, 8, 8);
           
            Pen blackPen = new Pen(Color.Black, 3);
            Rectangle rect1 = new Rectangle(_startPosX + 25, _startPosY + 97, 30, 30);
            g.DrawArc(blackPen, rect1, 90, 180);
            Rectangle rect2 = new Rectangle(_startPosX + 155, _startPosY + 97, 30, 30);
            g.DrawArc(blackPen, rect2, -90, 180);
            g.DrawLine(blackPen, _startPosX + 37, _startPosY + 97, _startPosX + 175, _startPosY + 97);
            g.DrawLine(blackPen, _startPosX + 37, _startPosY + 127, _startPosX + 175, _startPosY + 127);
        }

    }
}