<?php
/**
 * Created by PhpStorm.
 * User: insgeek
 * Date: 2017年2月10日
 * Time: 10:45
 * 抽象工厂模式
 */
namespace DesignPattern\AbstractFactoryPattern;

interface Shape
{
 public function draw();
}

class Rectangle implements Shape
{
 public function draw()
 {
 // TODO: Implement draw() method.
 print_r("Inside Rectangle::draw() method.");
 }
}

class Square implements Shape
{
 public function draw()
 {
 // TODO: Implement draw() method.
 print_r("Inside Square::draw() method.");
 }
}

class Circle implements Shape
{
 public function draw()
 {
 // TODO: Implement draw() method.
 print_r("Inside Circle::draw() method.");
 }
}

interface Color
{
 public function fill();
}

class Red implements Color
{
 public function fill()
 {
 // TODO: Implement fill() method.
 print_r("Inside Red::fill() method.");
 }
}

class Green implements Color
{
 public function fill()
 {
 // TODO: Implement fill() method.
 print_r("Inside Green::fill() method.");
 }
}

class Blue implements Color
{
 public function fill()
 {
 // TODO: Implement fill() method.
 print_r("Inside Blue::fill() method.");
 }
}

abstract class AbstractFactory
{
 abstract public function getColor(string $color);

 abstract public function getShape(string $shape);
}

class ShapeFactory extends AbstractFactory
{
 public function getColor(string $color)
 {
 // TODO: Implement getColor() method.
 return null;
 }

 public function getShape(string $shape)
 {
 // TODO: Implement getShape() method.
 if ($shape == null) {
 return null;
 }
 $type = strtoupper($shape);
 if ($type == "CIRCLE") {
 return new Circle();
 } else if ($type == "RECTANGLE") {
 return new Rectangle();
 } else if ($type == "SQUARE") {
 return new Square();
 }
 return null;
 }
}

class ColorFactory extends AbstractFactory
{
 public function getShape(string $shape)
 {
 // TODO: Implement getShape() method.
 return null;
 }

 public function getColor(string $color)
 {
 // TODO: Implement getColor() method.
 if ($color == null) {
 return null;
 }
 $type = strtoupper($color);
 if ($type == "RED") {
 return new Red();
 } else if ($type == "BLUE") {
 return new Blue();
 } else if ($type == "GREEN") {
 return new Green();
 }
 return null;
 }
}

class FactoryProducer
{
 public static function getFactory(string $factory)
 {
 $type = strtoupper($factory);
 if ($type == "SHAPE") {
 return new ShapeFactory();
 } else if ($type == "COLOR") {
 return new ColorFactory();
 }
 return null;
 }
}

$shapeFactory = FactoryProducer::getFactory('shape');
$shapeFactory->getShape("CIRCLE")->draw();
echo PHP_EOL;
$colorFactory = FactoryProducer::getFactory('color');
$colorFactory->getColor("blue")->fill();