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

using Excavator.Entities;
using Excavator.MovementStrategy;

namespace Excavator.DrawingObjects
{
    public class DrawingMash
    {
        public IMoveableObject GetMoveableObject => new DrawingObjectMash(this);
        public EntityMash? EntityMash { get; protected set; }
        public int _pictureWidth;
        public int _pictureHeight;
        protected int _startPosX;
        protected int _startPosY;
        protected readonly int _mashWidth = 175;                                                                                       
        protected readonly int _mashHeight = 115;                                    
        public int GetPosX => _startPosX;
        public int GetPosY => _startPosY;
        public int GetWidth => _mashWidth;
        public int GetHeight => _mashHeight;
        public DrawingMash(int speed, double weight, Color bodyColor, int width, int height)
        {
            if (width < _mashWidth || height < _mashHeight)
            {
                return;
            }
            _pictureWidth = width;
            _pictureHeight = height;
            EntityMash = new EntityMash(speed, weight, bodyColor);
        }
        protected DrawingMash(int speed, double weight, Color bodyColor, int width, int height, int mashWidth, int mashHeight)
        {
            if (width < _mashWidth || height < _mashHeight)
            {
                return;
            }
            _pictureWidth = width;
            _pictureHeight = height;
            _mashWidth = mashWidth;
            _mashHeight = mashHeight;
            EntityMash = new EntityMash(speed, weight, bodyColor);
        }
        public void SetPosition(int x, int y)
        {
            if (x > _pictureWidth || y > _pictureHeight)
            {
                return;
            }
            _startPosX = x;
            _startPosY = y;
        }
        public void MoveTransport(DirectionType direction)
        { 
            if (!CanMove(direction) || EntityMash == null)
            {
                return;
            }
            switch (direction)
            {
                case DirectionType.Left:
                    if (_startPosX - EntityMash.Step > 0)
                    {
                        _startPosX -= (int)EntityMash.Step;
                    }
                    break;
                case DirectionType.Up:
                    if (_startPosY - EntityMash.Step > 0)
                    {
                        _startPosY -= (int)EntityMash.Step;
                    }
                    break;
                case DirectionType.Right:
                    if (_startPosX + _mashWidth + EntityMash.Step < _pictureWidth)
                    {
                        _startPosX += (int)EntityMash.Step;
                    }
                    break;
                case DirectionType.Down:
                    if (_startPosY + _mashHeight + EntityMash.Step < _pictureHeight)
                    {
                        _startPosY += (int)EntityMash.Step;
                    }
                    break;
            }
        }
        public virtual void DrawTransport(Graphics g)
        {
            Pen pen = new(Color.Black);
            Brush additionalBrush = new
            SolidBrush(EntityMash.BodyColor);

            g.FillRectangle(additionalBrush, _startPosX + 30, _startPosY + 31, 140, 35);
            g.FillRectangle(additionalBrush, _startPosX + 60, _startPosY + 2, 15, 35);
            g.FillRectangle(additionalBrush, _startPosX + 125, _startPosY + 2, 40, 40);

            Brush additionalBrush1 = new
            SolidBrush(EntityMash.BodyColor);

            Brush gr = new SolidBrush(Color.Gray);

            g.FillEllipse(additionalBrush1, _startPosX + 20, _startPosY + 72, 25, 25);
            g.FillEllipse(additionalBrush1, _startPosX + 145, _startPosY + 72, 25, 25);

            g.FillEllipse(gr, _startPosX + 55, _startPosY + 81, 17, 17);
            g.FillEllipse(gr, _startPosX + 85, _startPosY + 81, 17, 17);
            g.FillEllipse(gr, _startPosX + 110, _startPosY + 81, 17, 17);

            g.FillEllipse(gr, _startPosX + 68, _startPosY + 72, 8, 8);
            g.FillEllipse(gr, _startPosX + 95, _startPosY + 72, 8, 8);

            Pen blackPen = new Pen(Color.Black, 3);
            Rectangle rect1 = new Rectangle(_startPosX + 15, _startPosY + 69, 30, 30);
            g.DrawArc(blackPen, rect1, 90, 180);
            Rectangle rect2 = new Rectangle(_startPosX + 145, _startPosY + 69, 30, 30);
            g.DrawArc(blackPen, rect2, -90, 180);
            g.DrawLine(blackPen, _startPosX + 27, _startPosY + 69, _startPosX + 165, _startPosY + 69);
            g.DrawLine(blackPen, _startPosX + 27, _startPosY + 99, _startPosX + 165, _startPosY + 99);
        }
        public bool CanMove(DirectionType direction)
        {
            if (EntityMash == null)
            {
                return false;
            }
            return direction switch
            {
                DirectionType.Left => _startPosX - EntityMash.Step > 0,
                DirectionType.Up => _startPosY - EntityMash.Step > 0,
                DirectionType.Right => _startPosX + _mashWidth + EntityMash.Step < _pictureWidth,
                DirectionType.Down => _startPosY + _mashHeight + EntityMash.Step < _pictureHeight,
                _ => false,
            };
        }
    }
}