package Trolleybus;

import java.awt.*;
import java.util.Random;

public class DrawingBus {
    public EntityBus EntityBus;
    public EntityBus getEntityBus() {return EntityBus;}
    private void setEntityBus(EntityBus entityBus) {EntityBus = entityBus;}
    public IDrawingDoors Doors;
    // Ширина окна
    private int _pictureWidth;
    // Высота окна
    private int _pictureHeight;
    // Левая координата прорисовки автобуса
    protected int _startPosX;
    // Верхняя координата прорисовки автобуса
    protected int _startPosY;
    // Ширина прорисовки автобуса
    protected int _busWidth = 150;
    // Высота прорисовки автобуса
    protected int _busHeight = 95;

    public int GetPosX() {
        return _startPosX;
    }

    public int GetPosY() {
        return _startPosY;
    }

    public int GetWidth() {
        return _busWidth;
    }

    public int GetHeight() {
        return _busHeight;
    }

    public DrawingBus(int speed, double weight, Color bodyColor, int width, int height) {
        if (width < _busWidth || height < _busHeight) {
            return;
        }
        _startPosX = 0;
        _startPosY = 0;

        _pictureWidth = width;
        _pictureHeight = height;
        EntityBus = new EntityBus(speed, weight, bodyColor);
        Random random = new Random();

        //Форма дверей
        int shape = random.nextInt(1,4);
        switch (shape) {
            case 1:
                Doors = new DrawingDoors();
                break;
            case 2:
                Doors = new DrawingOvalDoors();
                break;
            case 3:
                Doors = new DrawingTriangleDoors();
                break;
        }
        //Количество дверей
        Doors.SetCntOfDoors(random.nextInt(3, 6));
    }
    protected DrawingBus(int speed, double weight, Color bodyColor, int width, int height, int busWidth, int busHeight) {
        if (width <= _busWidth || height <= _busHeight) {
            return;
        }

        _startPosX = 0;
        _startPosY = 0;
        _pictureWidth = width;
        _pictureHeight = height;
        _busWidth = busWidth;
        _busHeight = busHeight;
        EntityBus = new EntityBus(speed, weight, bodyColor);
        Random random = new Random();

        //Форма дверей
        int shape = random.nextInt(1,4);
        switch (shape) {
            case 1:
                Doors = new DrawingDoors();
                break;
            case 2:
                Doors = new DrawingOvalDoors();
                break;
            case 3:
                Doors = new DrawingTriangleDoors();
                break;
        }
        //Количество дверей
        Doors.SetCntOfDoors(random.nextInt(3, 6));
    }
    //Конструктор для усложнённой 3
    public DrawingBus(EntityBus bus, IDrawingDoors doors, int width, int height) {
       if (width < _busWidth || height < _busHeight) {
            return;
        }
        _startPosX = 0;
        _startPosY = 0;
        _pictureWidth = width;
        _pictureHeight = height;

        EntityBus = bus;
        Doors = doors;
    }

    public void SetPosition(int x, int y){
        _startPosX = Math.min(Math.max(x, 0), _pictureWidth - _busWidth);
        _startPosY = Math.min(Math.max(y, 0), _pictureHeight - _busHeight);
    }
    public boolean CanMove(DirectionType direction)
    {
        if (EntityBus == null)
            return false;
        boolean can = false;
        switch (direction)
        {
            case Left:
                can = _startPosX - EntityBus.Step >= 0;
                break;
            case Right:
                can = _startPosX + EntityBus.Step + _busWidth < _pictureWidth;
                break;
            case Down:
                can = _startPosY + EntityBus.Step + _busHeight < _pictureHeight;
                break;
            case Up:
                can = _startPosY - EntityBus.Step >= 0;
                break;
        };
        return can;
    }

    public void MoveTransport(DirectionType direction){
        if (!CanMove(direction) || EntityBus == null) {
            return;
        }
        switch (direction)
        {
            case Left:
                if (_startPosX - EntityBus.Step >= 0) {
                    _startPosX -= (int) EntityBus.Step;
                }
                break;
            case Up:
                if (_startPosY - EntityBus.Step >= 0) {
                    _startPosY -= (int) EntityBus.Step;
                }
                break;
            case Right:
                if (_startPosX + EntityBus.Step + _busWidth <=  _pictureWidth) {
                    _startPosX += (int) EntityBus.Step;
                }
                break;
            case Down:
                if (_startPosY + EntityBus.Step + _busHeight <= _pictureHeight) {
                    _startPosY += (int) EntityBus.Step;
                }
                break;
        }
    }

    public void DrawTransport(Graphics g) {

        if (EntityBus == null) {
            return;
        }
        Graphics2D g2d = (Graphics2D)g;
        //Корпус
        g2d.setColor(EntityBus.getBodyColor());
        g2d.drawLine(_startPosX, _startPosY + 30, _startPosX, _startPosY + 80);
        g2d.drawLine(_startPosX, _startPosY + 80, _startPosX + 20, _startPosY + 80);
        g2d.drawLine(_startPosX + 45, _startPosY + 80, _startPosX + 105, _startPosY + 80);
        g2d.drawLine(_startPosX + 130, _startPosY + 80, _startPosX + 150, _startPosY + 80);
        g2d.drawLine(_startPosX + 150, _startPosY + 80, _startPosX + 150, _startPosY + 30);
        g2d.drawLine(_startPosX + 150, _startPosY + 30, _startPosX, _startPosY + 30);
        //Колёса
        g2d.setColor(Color.BLACK);
        g2d.drawOval(_startPosX + 20, _startPosY + 70, 25, 25);
        g2d.drawOval(_startPosX + 105, _startPosY + 70, 25, 25);
        //Двери
        Doors.DrawDoors(g2d, EntityBus.getBodyColor(), _startPosX, _startPosY);
    }

    public IMoveableObject GetMoveableObject(){
        return new DrawingObjectBus(this);
    }
}