<?php

require_once "vendor/autoload.php";

use Siren\Components\Entity;

use Siren\Components\Link;

use Siren\Components\Action;

use Siren\Components\Field;

use Siren\Encoders\Encoder;

$order = new Entity();

$order->addClass("order")

->setProperties(array(

"orderNumber" => 42,

"itemCount" => 3,

"status" => "pending"

));

$items = new Entity;

$items->addClass("items")

->addClass("collection")

->addRel("http://x.io/rels/order-items")

->setHref("http://api.x.io/orders/42/items");

$order->addEntity($items);

$customerInfo = new Entity;

$customerInfo->addClass("info")

->addClass("customer")

->addRel("http://x.io/rels/customer")

->setHref("http://api.x.io/customer")

->setProperties(array(

"customerId" => "pj123",

"name" => "Peter Joseph"

));

$link = new Link;

$link->addRel("self")

->setHref("http://api.x.io/customers/pj123");

$customerInfo->addLink($link);

$order->addEntity($customerInfo);

$orderNumber = new Field;

$orderNumber->setName("orderNumber")

->setType("hidden")

->setValue(42);

$productCode = new Field;

$productCode->setName("productCode");

$quantity = new Field;

$quantity->setName("quantity")

->setType("number");

$action = new Action;

$action->setName("add-item")

->setHref("http://api.x.io/orders/42/items")

->setMethod("POST")

->setTitle("Add Item")

->addField($orderNumber)

->addField($productCode)

->addField($quantity);

$order->addAction($action);

$self = new Link;

$self->addRel("self")

->setHref("http://api.x.io/orders/42");

$prev = new Link;

$prev->addRel("previous")

->setHref("http://api.x.io/orders/41");

$next = new Link;

$next->addRel("next")

->setHref( "http://api.x.io/orders/43");

$order->addLink($self);

$order->addLink($prev);

$order->addLink($next);

$response = (new Encoder)->encode($order);

print_r(json_encode($response, JSON_UNESCAPED_SLASHES));