<?php
/**
 * Created by PhpStorm.
 * User: DubStepMad
 * Date: 12/10/2018
 * Time: 3:26 PM
 */

/** This is the superclass **/
class fruit
{

    private static $instanceFruit;

    public static function createObject($_weight, $_price, $_quantity){
        if(!isset(self::$instanceFruit)){
            self::$instanceFruit = new self($_weight, $_price, $_quantity);
        }else{
            echo "Cannot create a new Fruit, there can only be one fruit <br>";
        }
        return self::$instanceFruit;
    }

    /** Fruit private variables **/
    /** Using Grams **/
    private $_weight;
    /** Using GBP **/
    private $_price;
    private $_quantity;

    public function __construct($_weight, $_price, $_quantity) {

        echo "in constructor for ".__CLASS__."<br>";

        $this->_weight = $_weight;
        $this->_price = $_price;
        $this->_quantity = $_quantity;
    }

    public function __destruct(){
        echo 'The class "',__CLASS__, '" was destroyed.<br />';
    }

    public function __toString()
    {
        $properties = __CLASS__." properties : "
            ."Weight: ".$this->_weight."g, "
            ."Price: £".$this->_price.", "
            ."Quantity: ".$this->_quantity."<br>";
        return $properties;
    }

    /** Get and Set for Fruit Class variables **/

    /**
     * @param mixed $weight
     */
    public function setWeight($weight)
    {
        $this->_weight = $weight;
    }

    /**
     * @return mixed
     */
    public function getWeight()
    {
        return $this->_weight;
    }

    /**
     * @param mixed $price
     */
    public function setPrice($price)
    {   if($price < 300){
        $this->_price = "Invaild Price";
    }else {
        $this->_price = $price;
    }
    }

    /**
     * @return mixed
     */
    public function getPrice()
    {
        return $this->_price;
    }

    /**
     * @param mixed $quantity
     */
    public function setQuantity($quantity)
    {
        $this->_quantity = $quantity;
    }

    /**
     * @return mixed
     */
    public function getQuantity()
    {
        return $this->_quantity;
    }
}

class Apple extends fruit {

    /** Apple private variables **/
    private $_name;
    private $_store;
    private $_farmLocation;

    public function __construct($_weight, $_price, $_quantity,$_name,$_store,$_farmLocation){

        echo "in constructor for ".__CLASS__."<br>";

    parent::__construct($_weight, $_price, $_quantity);

        $this->_name = $_name;
        $this->_store = $_store;
        $this->_farmLocation = $_farmLocation;
    }

    public function __destruct(){
        echo 'The class "',__CLASS__, '" was destroyed.<br />';
    }

    public function __toString()
    {
        /** Calls parent variables **/
        $properties = parent::__toString();
        $properties = $properties.__CLASS__." properties : "
            ."Product Name: ".$this->_name.", "
            ."Store: ".$this->_store.", "
            ."Farm Location: ".$this->_farmLocation."<br>";
        return $properties;
    }

    /** Get and Set for Apple Class variables **/

    /**
     * @param mixed $name
     */
    public function setName($name)
    {
        $this->_name = $name;
    }

    /**
     * @return mixed
     */
    public function getName()
    {
        return $this->_name;
    }

    /**
     * @param mixed $store
     */
    public function setStore($store)
    {
        $this->_name = $store;
    }

    /**
     * @return mixed
     */
    public function getStore()
    {
        return $this->_store;
    }

    /**
     * @param mixed $farmLocation
     */
    public function setFarmLocation($farmLocation)
    {
        $this->_farmLocation = $farmLocation;
    }

    /**
     * @return mixed
     */
    public function getFarmLocation()
    {
        return $this->_farmLocation;
    }
}

class Orange extends fruit {

    /** Orange private variables **/
    private $_transportType;
    /** Using Years **/
    private $_age;

    public function __construct($_weight, $_price, $_quantity, $_transportType, $_age){

        echo "in constructor for ".__CLASS__."<br>";

        parent::__construct($_weight, $_price, $_quantity);

        $this->_transportType = $_transportType;
        $this->_age = $_age;

    }

    public function __destruct(){
        echo 'The class "',__CLASS__, '" was destroyed.<br />';
    }

    public function __toString()
    {
        /** Calls parent variables **/
        $properties = parent::__toString();
        $properties = $properties.__CLASS__." properties : "
            ."Transport Type: ".$this->_transportType.", "
            ."Aged: ".$this->_age." Years old<br>";
        return $properties;
    }

    /** Get and Set for Orange Class variables **/

    /**
     * @param mixed $transportType
     */
    public function setTransportType($transportType)
    {
        $this->_transportType = $transportType;
    }

    /**
     * @return mixed
     */
    public function getTransportType()
    {
        return $this->_transportType;
    }

    /**
     * @param mixed $age
     */
    public function setAge($age)
    {   if($age < 2){
        $this->_age = "Invaild Age";
    }else {
        $this->_age = $age;
    }
    }

    /**
     * @return mixed
     */
    public function getAge()
    {
        return $this->_age;
    }
}

class Pineapple extends fruit {

    /** Pineapple private variables **/
    private $_quality;
    /** Using Years **/
    private $_country;

    public function __construct($_weight, $_price, $_quantity, $_quality, $_country){

        echo "in constructor for ".__CLASS__."<br>";

        parent::__construct($_weight, $_price, $_quantity);

        $this->_quality = $_quality;
        $this->_country = $_country;

    }

    public function __destruct(){
        echo 'The class "',__CLASS__, '" was destroyed.<br />';
    }

    public function __toString()
    {
        /** Calls parent variables **/
        $properties = parent::__toString();
        $properties = $properties.__CLASS__." properties : "
            ."Quality Grade: ".$this->_quality.", "
            ."Originated Country: ".$this->_country."<br>";
        return $properties;
    }

    /** Get and Set for Pineapple Class variables **/

    /**
     * @param mixed $quality
     */
    public function setQuality($quality)
    {   if($quality < 0){
        $this->_quality = "Invaild Quality Grade";
    }else {
        $this->_quality = $quality;
    }
    }

    /**
     * @return mixed
     */
    public function getQuality()
    {
        return $this->_quality;
    }

    /**
     * @param mixed $country
     */
    public function setCountry($country)
    {
        $this->_country = $country;
    }

    /**
     * @return mixed
     */
    public function getCountry()
    {
        return $this->_country;
    }
}

echo "Start of Script<br>";

$order1 = new Orange(2,"100",50, "Ship", "5");

echo $order1;

$order2 = new Apple(500,"150",50, "RedLady", "TESCO", "Lakeside Farm");

echo $order2;

$order3 = new Fruit(25,"50",15);

echo $order3;

$order4 = new Pineapple(700,"450",100, "A*", "Brazil");

echo $order4;

$order5 = Fruit::createObject(25,"50",15);

echo $order5;

$order6 = Fruit::createObject(25,"50",15);

echo $order6;

echo "End of Script <br>";