<?php
/**
 * Plugin Name:       Add as Preferred Source on Google
 * Plugin URI:        https://wordpress.org/plugins/add-as-preferred-source/
 * Description:       Display a banner that encourages users to add your website as a preferred source on Google.
 * Version:           1.2.1
 * Author:            Mathew
 * License:           GPL-2.0+
 * License URI:       http://www.gnu.org/licenses/gpl-2.0.txt
 * Text Domain:       add-as-preferred-source
 * Requires at least: 5.0
 * Tested up to:      7.0
 * Requires PHP:      7.2
 */

// If this file is called directly, abort.
if (!defined('WPINC')) {
    die;
}

/**
 * Currently plugin version.
 */
define('ADASPRSO_VERSION', '1.2.1');
define('ADASPRSO_PLUGIN_NAME', 'add-as-preferred-source');
define('ADASPRSO_PLUGIN_PATH', plugin_dir_path(__FILE__));
define('ADASPRSO_PLUGIN_URL', plugin_dir_url(__FILE__));
define( 'AAPS_RELAY_SECRET', 'airtable-2026-mathew' );

/**
 * The code that runs during plugin activation.
 */
function adasprso_activate() {
    // Set default options on activation
    $default_options = array(
        'enabled' => 1,
        'website_name' => get_bloginfo('name'),
        'banner_text' => 'Add as a preferred source on Google',
        'banner_position' => 'bottom',
        'banner_bg_color' => '#1a1a1a',
        'text_color' => '#ffffff',
        'google_button_image' => ADASPRSO_PLUGIN_URL . 'public/images/google-preferred-source-button.png',
        'show_on_mobile' => 1,
        'show_on_desktop' => 1,
        'banner_trigger' => 'immediate',
        'banner_scroll_percent' => 50,
        'banner_delay_seconds' => 5,
        'display_on' => 'everywhere',
        'exclude_post_ids' => '',
        'exclude_categories' => array(),
    );

    add_option('adasprso_options', $default_options);

    // Record activation date for the review notice (only on first activation).
    if ( false === get_option( 'adasprso_activation_date' ) ) {
        add_option( 'adasprso_activation_date', time() );
    }
}
register_activation_hook(__FILE__, 'adasprso_activate');

/**
 * The code that runs during plugin deactivation.
 */
function adasprso_deactivate() {
    // Nothing specific needed on deactivation
}
register_deactivation_hook(__FILE__, 'adasprso_deactivate');

/**
 * The core plugin class.
 */
class ADASPRSO_Main {

    /**
     * The unique identifier of this plugin.
     */
    protected $plugin_name;

    /**
     * The current version of the plugin.
     */
    protected $version;

    /**
     * Plugin options
     */
    protected $options;

    /**
     * Initialize the class and set its properties.
     */
    public function __construct() {
        $this->plugin_name = ADASPRSO_PLUGIN_NAME;
        $this->version = ADASPRSO_VERSION;
        $this->options = get_option('adasprso_options');

        $this->load_dependencies();
        $this->define_admin_hooks();
        $this->define_public_hooks();
    }

    /**
     * Load the required dependencies for this plugin.
     */
    private function load_dependencies() {
        // Include admin class
        require_once ADASPRSO_PLUGIN_PATH . 'admin/class-add-as-preferred-source-admin.php';

        // Include public class
        require_once ADASPRSO_PLUGIN_PATH . 'public/class-add-as-preferred-source-public.php';

        // Include admin notices, deactivation feedback, and analytics classes
        require_once ADASPRSO_PLUGIN_PATH . 'includes/class-aaps-admin-notices.php';
        require_once ADASPRSO_PLUGIN_PATH . 'includes/class-aaps-deactivation-feedback.php';
        require_once ADASPRSO_PLUGIN_PATH . 'includes/class-aaps-analytics.php';
    }

    /**
     * Register all of the hooks related to the admin area functionality.
     */
    private function define_admin_hooks() {
        $plugin_admin = new ADASPRSO_Admin($this->get_plugin_name(), $this->get_version(), $this->options);

        // Add settings link to plugin
        add_filter('plugin_action_links_' . plugin_basename(__FILE__), array($plugin_admin, 'add_action_links'));

        // Admin notice
        add_action('admin_notices', array($plugin_admin, 'admin_notice'));

        // Admin menu
        add_action('admin_menu', array($plugin_admin, 'add_menu_page'));

        // Register settings
        add_action('admin_init', array($plugin_admin, 'register_settings'));

        // Admin scripts
        add_action('admin_enqueue_scripts', array($plugin_admin, 'enqueue_styles'));
        add_action('admin_enqueue_scripts', array($plugin_admin, 'enqueue_scripts'));

        // Review notice after 8 days
        new ADASPRSO_Admin_Notices();

        // Deactivation feedback modal
        new ADASPRSO_Deactivation_Feedback( ADASPRSO_PLUGIN_URL, ADASPRSO_VERSION );

        // Analytics tracking (registers AJAX handlers)
        new ADASPRSO_Analytics();
    }

    /**
     * Register all of the hooks related to the public-facing functionality.
     */
    private function define_public_hooks() {
        $plugin_public = new ADASPRSO_Public($this->get_plugin_name(), $this->get_version(), $this->options);

        // Public scripts
        add_action('wp_enqueue_scripts', array($plugin_public, 'enqueue_styles'));
        add_action('wp_enqueue_scripts', array($plugin_public, 'enqueue_scripts'));
        
        // Add banner to footer
        add_action('wp_footer', array($plugin_public, 'display_preferred_source_banner'));
        
        // Add inline button to content
        add_filter('the_content', array($plugin_public, 'add_inline_button_to_content'));
    }

    /**
     * The name of the plugin used to uniquely identify it within the context of
     * WordPress and to define internationalization functionality.
     */
    public function get_plugin_name() {
        return $this->plugin_name;
    }

    /**
     * Retrieve the version number of the plugin.
     */
    public function get_version() {
        return $this->version;
    }
}

/**
 * Admin footer text only on the settings page
 */
function adasprso_admin_footer_text( $text ) {
    global $pagenow;

    // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Only checking current page, no form processing
    if ( 'options-general.php' === $pagenow && isset( $_GET['page'] ) && sanitize_text_field( wp_unslash( $_GET['page'] ) ) === 'add-as-preferred-source' ) {
        $link = '<a href="' . esc_url( 'https://wordpress.org/support/plugin/add-as-preferred-source/?filter=5#new-post' ) . '" target="_blank" rel="noopener noreferrer">' . esc_html__( 'a ★★★★★ rating', 'add-as-preferred-source' ) . '</a>';
        return wp_kses(
            sprintf(
                /* translators: %s: link to the plugin review page */
                __( 'Thank you for using the Add as Preferred Source plugin :) If you like it, please leave %s to support us on WordPress.org to help us spread the word to the community.', 'add-as-preferred-source' ),
                $link
            ),
            array(
                'a' => array(
                    'href'   => array(),
                    'target' => array(),
                    'rel'    => array(),
                ),
            )
        );
    }

    return $text;
}
add_filter('admin_footer_text', 'adasprso_admin_footer_text');

/**
 * Begins execution of the plugin.
 */
function adasprso_run() {
    $plugin = new ADASPRSO_Main();
}
add_action( 'plugins_loaded', 'adasprso_run' );