<?php
/**
 * Main plugin bootstrap.
 *
 * @package IntelTele
 */

namespace IntelTele;

use IntelTele\Admin\Assets;
use IntelTele\Admin\Menu;
use IntelTele\Database\Installer;
use IntelTele\Services\WooCommerceStatusListener;
use IntelTele\Services\StatusSync;
use IntelTele\Services\ViberFallbackProcessor;
use IntelTele\Services\CampaignProcessor;
use IntelTele\Services\DeliveryStatusWebhook;
use IntelTele\Repositories\TemplateRepository;
use IntelTele\Repositories\WebhookLogRepository;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

final class Plugin {
	/**
	 * Boot plugin services.
	 */
	public static function init(): void {
		add_action( 'init', array( Installer::class, 'maybe_upgrade' ) );
		add_action( 'admin_init', array( __CLASS__, 'seed_default_templates' ) );

		if ( is_admin() ) {
			Requirements::register_admin_notices();

			$assets = new Assets();
			$menu   = new Menu();

			$assets->register_hooks();
			$menu->register_hooks();
		}

		if ( class_exists( 'WooCommerce' ) ) {
			$status_listener = new WooCommerceStatusListener();
			$status_listener->register_hooks();

			add_filter( 'woocommerce_checkout_fields', array( __CLASS__, 'add_checkout_phone_notice' ) );
		}

		add_filter( 'cron_schedules', array( __CLASS__, 'add_cron_schedules' ) );
		add_action( 'inteltele_sync_statuses', array( __CLASS__, 'sync_statuses' ) );
		add_action( 'inteltele_process_fallbacks', array( __CLASS__, 'process_fallbacks' ) );
		add_action( 'inteltele_process_campaigns', array( __CLASS__, 'process_campaigns' ) );
		add_action( 'rest_api_init', array( __CLASS__, 'register_rest_routes' ) );

		add_action( 'init', array( __CLASS__, 'ensure_recurring_events' ) );
	}

	/**
	 * Add cron schedules.
	 *
	 * @param array<string,array<string,mixed>> $schedules Schedules.
	 * @return array<string,array<string,mixed>>
	 */
	public static function add_cron_schedules( array $schedules ): array {
		$schedules['five_minutes'] = array(
			'interval' => 300,
			'display'  => __( 'Every five minutes', 'inteltele' ),
		);

		return $schedules;
	}

	/**
	 * Sync statuses from cron.
	 */
	public static function sync_statuses(): void {
		$sync = new StatusSync();
		$sync->sync();
	}

	/**
	 * Process fallbacks from cron.
	 */
	public static function process_fallbacks(): void {
		$processor = new ViberFallbackProcessor();
		$processor->process();
	}

	/**
	 * Process pending bulk campaigns from cron.
	 */
	public static function process_campaigns(): void {
		$processor = new CampaignProcessor();
		$processor->process_pending_campaigns();
	}

	/**
	 * Register REST routes.
	 */
	public static function register_rest_routes(): void {
		register_rest_route(
			'inteltele/v1',
			'/delivery-status',
			array(
				'methods'             => 'POST',
				'callback'            => array( __CLASS__, 'handle_delivery_status_webhook' ),
				'permission_callback' => array( DeliveryStatusWebhook::class, 'authorize' ),
			)
		);
	}

	/**
	 * Handle delivery status webhook.
	 *
	 * @param \WP_REST_Request $request REST request.
	 */
	public static function handle_delivery_status_webhook( \WP_REST_Request $request ): \WP_REST_Response {
		$handler = new DeliveryStatusWebhook();
		$payload = $request->get_json_params();

		if ( null === $payload ) {
			$payload = $request->get_body_params();
		}

		$query_params = $request->get_query_params();
		unset( $query_params['inteltele_token'] );

		$result  = $handler->handle( $payload );
		$logger  = new WebhookLogRepository();
		$logger->insert(
			array(
				'route'        => $request->get_route(),
				'method'       => $request->get_method(),
				'remote_addr'  => isset( $_SERVER['REMOTE_ADDR'] ) ? sanitize_text_field( wp_unslash( $_SERVER['REMOTE_ADDR'] ) ) : '',
				'content_type' => $request->get_content_type()['value'] ?? '',
				'headers'      => self::get_safe_webhook_headers( $request ),
				'query_params' => $query_params,
				'payload'      => $payload,
				'raw_body'     => $request->get_body(),
				'result'       => $result,
				'status'       => empty( $result['errors'] ) ? 'processed' : 'processed_with_errors',
			)
		);

		return new \WP_REST_Response(
			array(
				'success' => true,
				'result'  => $result,
			),
			200
		);
	}

	/**
	 * Get request headers with sensitive values redacted.
	 *
	 * @param \WP_REST_Request $request REST request.
	 * @return array<string,mixed>
	 */
	private static function get_safe_webhook_headers( \WP_REST_Request $request ): array {
		$headers = $request->get_headers();

		foreach ( array( 'authorization', 'cookie', 'x_api_key', 'x-api-key', 'x_inteltele_token', 'x-inteltele-token' ) as $key ) {
			if ( isset( $headers[ $key ] ) ) {
				$headers[ $key ] = array( '[redacted]' );
			}
		}

		return $headers;
	}

	/**
	 * Ensure recurring events exist for already activated installs.
	 */
	public static function ensure_recurring_events(): void {
		foreach ( array( 'inteltele_sync_statuses', 'inteltele_process_fallbacks', 'inteltele_process_campaigns' ) as $hook ) {
			if ( ! wp_next_scheduled( $hook ) ) {
				wp_schedule_event( time() + 300, 'five_minutes', $hook );
			}
		}
	}

	/**
	 * Add consent/help text near WooCommerce checkout phone field.
	 *
	 * @param array<string,mixed> $fields Checkout fields.
	 * @return array<string,mixed>
	 */
	public static function add_checkout_phone_notice( array $fields ): array {
		if ( isset( $fields['billing']['billing_phone'] ) && is_array( $fields['billing']['billing_phone'] ) ) {
			$fields['billing']['billing_phone']['description'] = __( 'By leaving your phone number, you agree to receive SMS and Viber messages about your order.', 'inteltele' );
		}

		return $fields;
	}

	/**
	 * Seed default WooCommerce message templates.
	 */
	public static function seed_default_templates(): void {
		if ( ! current_user_can( 'inteltele_manage' ) ) {
			return;
		}

		$repository = new TemplateRepository();
		$repository->seed_defaults( get_current_user_id() );
	}

	/**
	 * Declare WooCommerce HPOS compatibility.
	 */
	public static function declare_hpos_compatibility(): void {
		if ( ! class_exists( '\Automattic\WooCommerce\Utilities\FeaturesUtil' ) ) {
			return;
		}

		\Automattic\WooCommerce\Utilities\FeaturesUtil::declare_compatibility(
			'custom_order_tables',
			INTELTELE_FILE,
			true
		);
	}
}