<?php
/**
 * First-party consent bootstrap. External runtime is loaded only after consent.
 *
 * @package Selectika
 */

defined( 'ABSPATH' ) || exit;
/** Selectika Loader integration. */
class Selectika_Loader {
	const MODE_COMPONENTS_ONLY = 'components_only';
	const MODE_PRODUCT_PAGES   = 'product_pages';
	const MODE_WHOLE_SITE      = 'whole_site';
	/**
	 * Register WordPress and WooCommerce integration hooks.
	 */
	public function __construct() {
		add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_frontend_scripts' ) ); }
	/**
	 * Read the existing merchant placement mode.
	 */
	public function get_injection_mode() {
		$options = get_option( 'selectika_options', array() );
		$mode    = $options['injection_mode'] ?? self::MODE_COMPONENTS_ONLY;
		return in_array( $mode, array( self::MODE_COMPONENTS_ONLY, self::MODE_PRODUCT_PAGES, self::MODE_WHOLE_SITE ), true ) ? $mode : self::MODE_COMPONENTS_ONLY;
	}
	/**
	 * Determine whether this page uses configured automatic placement.
	 */
	public function should_load_full_script() {
		return self::MODE_WHOLE_SITE === $this->get_injection_mode() || ( self::MODE_PRODUCT_PAGES === $this->get_injection_mode() && function_exists( 'is_product' ) && is_product() ); }
	/**
	 * Determine whether the merchant selected manual placement.
	 */
	public function should_load_runtime() {
		return self::MODE_COMPONENTS_ONLY === $this->get_injection_mode(); }
	/**
	 * Load the local consent adapter on relevant storefront pages.
	 */
	public function enqueue_frontend_scripts() {
		if ( Selectika_Connection::active( 'tracking' ) || Selectika_Connection::active( 'orders' ) || $this->should_load_full_script() || $this->is_shortcode_or_block_on_page() ) {
			$this->enqueue_components_runtime(); }
	}
	/**
	 * Enqueue public configuration without session data or credentials.
	 */
	public function enqueue_components_runtime() {
		if ( ! Selectika_Connection::active() || wp_script_is( 'selectika-commerce', 'enqueued' ) ) {
			return; }
		$c       = Selectika_Connection::get();
		$product = function_exists( 'is_product' ) && is_product() ? wc_get_product( get_queried_object_id() ) : null;
		$page    = function_exists( 'is_order_received_page' ) && is_order_received_page() ? 'order_received' : ( function_exists( 'is_checkout' ) && is_checkout() ? 'checkout' : ( function_exists( 'is_cart' ) && is_cart() ? 'cart' : ( $product ? 'product' : 'page' ) ) );
		$config  = array(
			'schemaVersion'       => 1,
			'retailerName'        => $c['retailer'],
			'siteId'              => $c['site_id'],
			'generation'          => $c['generation'],
			'manualPlacement'     => ! $this->should_load_full_script(),
			'widgetsEnabled'      => Selectika_Connection::active( 'widgets' ),
			'trackingEnabled'     => Selectika_Connection::active( 'tracking' ),
			'serverOrdersEnabled' => Selectika_Connection::active( 'orders' ),
			'publisherId'         => $c['publisher_id'],
			'pageType'            => $page,
			'currency'            => function_exists( 'get_woocommerce_currency' ) ? get_woocommerce_currency() : '',
			'contextUrl'          => function_exists( 'WC' ) ? add_query_arg( 'wc-ajax', 'selectika_context', home_url( '/' ) ) : null,
			'cartApiUrl'          => function_exists( 'WC' ) ? rest_url( 'wc/store/v1/cart/add-item' ) : null,
			'product'             => $product ? Selectika_Events::item( $product, 1 ) : null,
		);
		wp_enqueue_script( 'selectika-commerce', SELECTIKA_PLUGIN_URL . 'assets/commerce.js', array(), SELECTIKA_VERSION, true );
		wp_add_inline_script( 'selectika-commerce', 'window.SelectikaCommerceConfig=' . wp_json_encode( $config, JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_APOS | JSON_HEX_QUOT ) . ';', 'before' );
	}
	/**
	 * Detect existing shortcode or block placements on the queried page.
	 */
	public function is_shortcode_or_block_on_page() {
		global $post;
		return $post && is_singular() && ( has_shortcode( $post->post_content, 'selectika' ) || has_block( 'selectika/widget', $post ) );
	}
}