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

using ProjectGasolineTanker.Entities;
using ProjectGasolineTanker.MovementStratg;

namespace ProjectGasolineTanker.Drawings
{
    
    public class DrawingTruck
    {
        public IMoveableObject GetMoveableObject => new DrawingObjectTruck(this);

        public EntityTruck? EntityTruck { get; protected set; }

        private int _pictureWidth;

        private int _pictureHeight;

        protected int _startPosX;

        protected int _startPosY;

        protected readonly int _tankerWidth = 130;

        protected readonly int _tankerHeight = 70;
 
        public int GetPosX => _startPosX;

        public int GetPosY => _startPosY;

        public int GetWidth => _tankerWidth;

        public int GetHeight => _tankerHeight;

        public DrawingTruck(int speed, double weight, Color bodyColor, int width, int height)
        {

            if (width < _tankerWidth || height < _tankerHeight)
            {
                return;
            }
            _pictureWidth = width;
            _pictureHeight = height;
            EntityTruck = new EntityTruck(speed, weight, bodyColor);
        }

        protected DrawingTruck(int speed, double weight, Color bodyColor, int width, int height, int tankerWidth, int tankerHeight)
        {

            if (width < _tankerWidth || height < _tankerHeight)
            {
                return;
            }
            _pictureWidth = width;
            _pictureHeight = height;
            _tankerWidth = tankerWidth;
            _tankerHeight = tankerHeight;
            EntityTruck = new EntityTruck(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) || EntityTruck == null)
            {
                return;
            }
            switch (direction)
            {
                //влево
                case DirectionType.Left:
                    if (_startPosX - EntityTruck.Step > 0)
                    {
                        _startPosX -= (int)EntityTruck.Step;
                    }
                    break;
                //вверх
                case DirectionType.Up:
                    if (_startPosY - EntityTruck.Step > 0)
                    {
                        _startPosY -= (int)EntityTruck.Step;
                    }
                    break;
                // вправо
                case DirectionType.Right:
                    if (_startPosX + _tankerWidth + EntityTruck.Step < _pictureWidth)
                    {
                        _startPosX += (int)EntityTruck.Step;
                    }
                    break;
                //вниз
                case DirectionType.Down:
                    if (_startPosY + _tankerHeight + EntityTruck.Step < _pictureHeight)
                    {
                        _startPosY += (int)EntityTruck.Step;
                    }
                    break;
            }
        }

        public virtual void DrawTransport(Graphics g)
        {

            Pen pen = new(Color.Black);
            Brush additionalBrush = new SolidBrush(EntityTruck.BodyColor);

            g.FillRectangle(additionalBrush, _startPosX + 29, _startPosY + 11, 71, 28);
            g.FillRectangle(additionalBrush, _startPosX + 29, _startPosY + 20, 71, 9); 

            g.DrawRectangle(pen, _startPosX + 29, _startPosY + 11, 71, 28); 
            g.DrawRectangle(pen, _startPosX + 29, _startPosY + 20, 71, 9); 


            Brush additionalBrush1 = new
            SolidBrush(EntityTruck.BodyColor);
            //кабина
            g.FillRectangle(additionalBrush1, _startPosX + 100, _startPosY + 10, 24, 16);
            g.FillRectangle(additionalBrush1, _startPosX + 124, _startPosY + 10, 9, 16);
            g.FillRectangle(additionalBrush1, _startPosX + 100, _startPosY + 10, 33, 16);
            g.FillRectangle(additionalBrush1, _startPosX + 100, _startPosY + 26, 33, 13);

            g.DrawLine(pen, _startPosX + 100, _startPosY + 26, _startPosX + 133, _startPosY + 39);

            g.DrawRectangle(pen, _startPosX + 100, _startPosY + 10, 24, 16);
            g.DrawRectangle(pen, _startPosX + 124, _startPosY + 10, 9, 16);
            g.DrawRectangle(pen, _startPosX + 100, _startPosY + 10, 33, 16);
            g.DrawRectangle(pen, _startPosX + 100, _startPosY + 26, 33, 13);

            Brush additionalBrush2 = new
            SolidBrush(EntityTruck.BodyColor);

            g.FillRectangle(additionalBrush2, _startPosX + 4, _startPosY + 40, 130, 25);
            g.DrawLine(pen, _startPosX + 4, _startPosY + 65, _startPosX + 25, _startPosY + 40);

            Brush gr = new SolidBrush(Color.Gray);

            g.FillEllipse(additionalBrush, _startPosX + 15, _startPosY + 50, 26, 26);
            g.FillEllipse(additionalBrush, _startPosX + 110, _startPosY + 55, 22, 22);

            g.FillEllipse(gr, _startPosX + 18, _startPosY + 53, 20, 20);
            g.FillEllipse(gr, _startPosX + 112, _startPosY + 57, 18, 18);

            g.DrawEllipse(pen, _startPosX + 15, _startPosY + 50, 26, 26);
            g.DrawEllipse(pen, _startPosX + 110, _startPosY + 55, 22, 22);
        }

        public bool CanMove(DirectionType direction)
        {
            if (EntityTruck == null)
            {
                return false;
            }
            return direction switch
            {
                //влево
                DirectionType.Left => _startPosX - EntityTruck.Step > 0,
                //вверх
                DirectionType.Up => _startPosY - EntityTruck.Step > 0,
                // вправо
                DirectionType.Right => _startPosX + _tankerWidth + EntityTruck.Step < _pictureWidth,
                //вниз
                DirectionType.Down => _startPosY + _tankerHeight + EntityTruck.Step < _pictureHeight,
                _ => false,
            };
        }
    }
}