<?php
/** Paid-order attribution contract and privacy gates. */

define( 'ABSPATH', __DIR__ );
define( 'AISTHETIX_BRAIN_URL', 'https://woo.aisthetix.fyi' );

$GLOBALS['attr_options'] = array();
$GLOBALS['attr_actions'] = array();
$GLOBALS['attr_orders'] = array();
$GLOBALS['attr_posts'] = array();

class WC_Order_Item_Product {
	private $product_id;
	public function __construct( $product_id ) { $this->product_id = $product_id; }
	public function get_product_id() { return $this->product_id; }
}
class WC_Order {
	private $data;
	public function __construct( $data ) { $this->data = $data; }
	public function get_items() { return $this->data['items']; }
	public function get_customer_id() { return $this->data['customer_id']; }
	public function get_id() { return $this->data['id']; }
	public function get_total() { return $this->data['total']; }
	public function get_currency() { return $this->data['currency']; }
}
function add_action( $hook, $callback, $priority = 10, $args = 1 ) { $GLOBALS['attr_actions'][] = array( $hook, $callback, $priority, $args ); }
function get_option( $name, $default = false ) { return $GLOBALS['attr_options'][ $name ] ?? $default; }
function apply_filters( $hook, $value ) { return $value; }
function untrailingslashit( $url ) { return rtrim( $url, '/' ); }
function esc_url_raw( $url ) { return $url; }
function wc_get_order( $id ) { return $GLOBALS['attr_orders'][ $id ] ?? null; }
function wp_unslash( $value ) { return $value; }
function wp_json_encode( $value ) { return json_encode( $value ); }
function wp_remote_post( $url, $args ) { $GLOBALS['attr_posts'][] = array( $url, $args ); return array(); }

require_once __DIR__ . '/../includes/class-plugin.php';
require_once __DIR__ . '/../includes/class-storefront.php';
require_once __DIR__ . '/../includes/class-attribution.php';

use Aisthetix\TryOn\Attribution;
use Aisthetix\TryOn\Plugin;
use Aisthetix\TryOn\Storefront;

$passed = 0;
$failed = 0;
function attr_check( $name, $condition ) {
	global $passed, $failed;
	if ( $condition ) { echo "  ✓ {$name}\n"; ++$passed; return; }
	echo "  ✗ {$name}\n"; ++$failed;
}
function attr_configure( $connected, $analytics ) {
	$GLOBALS['attr_options'][ Plugin::OPTION_PUBLISHABLE_KEY ] = $connected ? 'pk' : '';
	$GLOBALS['attr_options'][ Plugin::OPTION_SECRET_KEY ] = $connected ? 'sk' : '';
	$GLOBALS['attr_options'][ Plugin::OPTION_SETTINGS ] = array( 'enable_analytics' => $analytics );
}

echo "Attribution\n";
$attribution = new Attribution();
$attribution->init();
attr_check( 'registers the paid-order hook at the intended priority', array( 'woocommerce_payment_complete', array( $attribution, 'on_payment_complete' ), 20, 1 ) === $GLOBALS['attr_actions'][0] );

attr_configure( false, true );
$attribution->on_payment_complete( 7 );
attr_configure( true, false );
$attribution->on_payment_complete( 7 );
attr_configure( true, true );
$attribution->on_payment_complete( 0 );
$attribution->on_payment_complete( 999 );
attr_check( 'disconnect, opt-out, invalid id, and missing order all suppress delivery', 0 === count( $GLOBALS['attr_posts'] ) );

$order = new WC_Order(
	array(
		'id' => 77,
		'customer_id' => 42,
		'total' => '123.45',
		'currency' => 'EUR',
		'items' => array( new WC_Order_Item_Product( 10 ), new WC_Order_Item_Product( 10 ), new WC_Order_Item_Product( 11 ), new WC_Order_Item_Product( 0 ), new stdClass() ),
	)
);
$GLOBALS['attr_orders'][77] = $order;
$_COOKIE[ Storefront::VISITOR_COOKIE ] = str_repeat( 'a', 32 );
$attribution->on_payment_complete( 77 );
$post = $GLOBALS['attr_posts'][0];
$payload = json_decode( $post[1]['body'], true );
attr_check( 'posts non-blocking to the authenticated order endpoint', false === $post[1]['blocking'] && 'sk' === $post[1]['headers']['X-Aisthetix-Secret'] && false !== strpos( $post[0], '/api/storefront/order' ) );
attr_check( 'uses gross total and stable order/customer/visitor ids', '77' === $payload['orderId'] && '42' === $payload['customerId'] && str_repeat( 'a', 32 ) === $payload['visitorKey'] && 123.45 === $payload['value'] );
attr_check( 'deduplicates positive canonical product ids', array( '10', '11' ) === $payload['productIds'] );

$guest = new WC_Order( array( 'id' => 78, 'customer_id' => 0, 'total' => 0, 'currency' => 'USD', 'items' => array() ) );
$GLOBALS['attr_orders'][78] = $guest;
$_COOKIE[ Storefront::VISITOR_COOKIE ] = 'invalid';
$attribution->on_payment_complete( 78 );
$guest_payload = json_decode( $GLOBALS['attr_posts'][1][1]['body'], true );
attr_check( 'guest and malformed-cookie paths use honest null keys', null === $guest_payload['customerId'] && null === $guest_payload['visitorKey'] );
unset( $_COOKIE[ Storefront::VISITOR_COOKIE ] );
$attribution->on_payment_complete( 78 );
$absent_payload = json_decode( $GLOBALS['attr_posts'][2][1]['body'], true );
attr_check( 'absent visitor cookie also remains null', null === $absent_payload['visitorKey'] );

echo "\n{$passed} passed, {$failed} failed\n";
exit( $failed > 0 ? 1 : 0 );