An east pizza!

gistfile1.php

<?php

namespace world;

use
	cli
;

abstract class human
{
	private
		$name,
		$console
	;

	function __construct(cli\data $name, cli\console $console)
	{
		$this->name = $name;
		$this->console = $console;
	}

	protected function say(cli\data $data)
	{
		$this->console->newDataFromOrigin($data, $this->name);
	}
}

namespace cli;

interface console
{
	function newDataFromOrigin(data $data, data $data);
}

final class data
{
	private
		$value
	;

	function __construct($value)
	{
		if (! is_string($value) && ! is_number($value))
		{
			throw new \domainException('Console data should be a string or a number');
		}

		$this->value = (string) $value;
	}

	function __toString()
	{
		return $this->value;
	}
}

namespace cli\console;

use
	cli
;

class basic implements cli\console
{
	function newDataFromOrigin(cli\data $data, cli\data $origin)
	{
		echo $origin . ': ' . $data . PHP_EOL;

		return $this;
	}
}

namespace pizzeria;

interface client
{
	function pizzaioloIs(pizzaiolo $pizzaiolo);
	function tomatoPizzaCanBeMadeByPizzaiolo(pizzaiolo $pizzaiolo);
	function creamPizzaCanBeMadeByPizzaiolo(pizzaiolo $pizzaiolo);
	function peperoniCanBePutOnPizzaBy(pizzaiolo $pizzaiolo);
	function cheeseCanBePutOnPizzaBy(pizzaiolo $pizzaiolo);
	function baconCanBePutOnPizzaBy(pizzaiolo $pizzaiolo);
	function pizzaCanNotBeMadeByPizzaiolo(pizzaiolo $pizzaiolo);
	function pizzaioloHasMadePizza(pizzaiolo $pizzaiolo, pizza $pizza);
}

interface pizzaiolo
{
	function aPizzaIsNeededByClient(client $client);
	function clientWantTomatoPizza();
	function clientWantCreamPizza();
	function clientWantPepperoniOnItsPizza();
	function clientWantCheeseOnItsPizza();
	function clientWantBaconOnItsPizza();
}

interface pizza
{
	function pepperoniIsAddedByPizzaiolo(pizzaiolo $pizzaiolo);
	function cheeseIsAddedByPizzaiolo(pizzaiolo $pizzaiolo);
	function baconIsAddedByPizzaiolo(pizzaiolo $pizzaiolo);
}

namespace pizzeria\pizza;

use
	pizzeria
;

abstract class base implements pizzeria\pizza
{
	private $size;

	function pepperoniIsAddedByPizzaiolo(pizzeria\pizzaiolo $pizzaiolo)
	{
		return $this;
	}

	function cheeseIsAddedByPizzaiolo(pizzeria\pizzaiolo $pizzaiolo)
	{
		return $this;
	}

	function baconIsAddedByPizzaiolo(pizzeria\pizzaiolo $pizzaiolo)
	{
		return $this;
	}
}

final class tomato extends base
{
}

final class cream extends base
{
}

namespace pizzeria\client;

use
	world,
	cli,
	pizzeria
;

class italian extends world\human implements pizzeria\client
{
	function pizzaioloIs(pizzeria\pizzaiolo $pizzaiolo)
	{
		$this->say(new cli\data('I\'m hungry, i want to eat a pizza…'));

		$pizzaiolo->aPizzaIsNeededByClient($this);

		return $this;
	}

	function tomatoPizzaCanBeMadeByPizzaiolo(pizzeria\pizzaiolo $pizzaiolo)
	{
		$this->say(new cli\data('I\'m italian, sure i wan\'t a tomato pizza!'));

		$pizzaiolo->clientWantTomatoPizza();

		return $this;
	}

	function creamPizzaCanBeMadeByPizzaiolo(pizzeria\pizzaiolo $pizzaiolo)
	{
		$this->say(new cli\data('What the fuck is a cream pizza? Sure i will never eat this crap!'));

		return $this;
	}

	function peperoniCanBePutOnPizzaBy(pizzeria\pizzaiolo $pizzaiolo)
	{
		$this->say(new cli\data('I like pepperoni!'));

		$pizzaiolo->clientWantPepperoniOnItsPizza();

		return $this;
	}

	function cheeseCanBePutOnPizzaBy(pizzeria\pizzaiolo $pizzaiolo)
	{
		$this->say(new cli\data('Yes, i want lot of cheese on my pizza!'));

		$pizzaiolo->clientWantCheeseOnItsPizza();

		return $this;
	}

	function baconCanBePutOnPizzaBy(pizzeria\pizzaiolo $pizzaiolo)
	{
		$this->say(new cli\data('Bacon… why not!'));

		$pizzaiolo->clientWantBaconOnItsPizza();

		return $this;
	}

	function pizzaCanNotBeMadeByPizzaiolo(pizzeria\pizzaiolo $pizzaiolo)
	{
		$this->say(new cli\data('Really? Sigh!'));

		return $this;
	}

	function pizzaioloHasMadePizza(pizzeria\pizzaiolo $pizzaiolo, pizzeria\pizza $pizza)
	{
		$this->say(new cli\data('Thank you, it looks really delicious!'));
	}
}

namespace pizzeria\pizzaiolo;

use
	world,
	cli,
	pizzeria
;

class starred extends world\human implements pizzeria\pizzaiolo
{
	private
		$client,
		$pizza
	;

	function aPizzaIsNeededByClient(pizzeria\client $client)
	{
		$this->say(new cli\data('Welcome in my humble pizzeria!'));

		$starred = clone $this;
		$starred->makePizzaForClient($client);

		return $this;
	}

	function clientWantTomatoPizza()
	{
		$this->say(new cli\data('Let\'s go for a tomato pizza!'));

		$this->pizza = new pizzeria\pizza\tomato;

		return $this;
	}

	function clientWantCreamPizza()
	{
		$this->say(new cli\data('Let\'s go for a cream pizza, even if i think that pizza should only be tomato based!'));

		$this->pizza = new pizzeria\pizza\cream;

		return $this;
	}

	function clientWantPepperoniOnItsPizza()
	{
		if ($this->pizza)
		{
			$this->say(new cli\data('So, you like pepperoni? do you know that it was made from cured pork and beef mashed together?'));

			$this->pizza->pepperoniIsAddedByPizzaiolo($this);
		}

		return $this;
	}

	function clientWantCheeseOnItsPizza()
	{
		if ($this->pizza)
		{
			$this->say(new cli\data('I\'m using only parmesan, it\'s better than any other fucking emmenthal!'));

			$this->pizza->cheeseIsAddedByPizzaiolo($this);
		}

		return $this;
	}

	function clientWantBaconOnItsPizza()
	{
		if ($this->pizza)
		{
			$this->say(new cli\data('Do you know that bacon is usually made from side and back cuts of pork?'));

			$this->pizza->baconIsAddedByPizzaiolo($this);
		}

		return $this;
	}

	private function makePizzaForClient(pizzeria\client $client)
	{
		$this->client = $client;

		$this->say(new cli\data('Ok… so do you want a tomato based pizza?'));

		$client->tomatoPizzaCanBeMadeByPizzaiolo($this);

		if (! $this->pizza)
		{
			$this->say(new cli\data('Maybe a cream based pizza?'));

			$client->creamPizzaCanBeMadeByPizzaiolo($this);
		}

		if (! $this->pizza)
		{
			$this->say(new cli\data('All my apologize, i can not do anything for you'));

			$client->pizzaCanNotBeMadeByPizzaiolo($this);

			return $this;
		}

		$this->say(new cli\data('Pepperoni?'));
		$client->peperoniCanBePutOnPizzaBy($this);

		$this->say(new cli\data('Cheese?'));
		$client->cheeseCanBePutOnPizzaBy($this);

		$this->say(new cli\data('Bacon?'));
		$client->baconCanBePutOnPizzaBy($this);

		$this->say(new cli\data('This is your pizza, i\'m pretty sure that it\'s the best pizza i have ever made!'));
		$client->pizzaioloHasMadePizza($this, $this->pizza);

		return $this;
	}
}

namespace pizzeria;

use
	cli,
	cli\console
;

$console = new console\basic;

(new client\italian(new cli\data('Marcelo'), $console))->pizzaioloIs(new pizzaiolo\starred(new cli\data('Paul Bauchuse'), $console));