<?php

/**
 * Plugin Name: rootlinkd
 * Plugin URI: https://rootlinkd.com/
 * Description: Automatic internal linking for WordPress. Free provides unlimited exact-match internal links; paid editions add control, analytics, monetization, and workflow features.
 * Version: 2.5.24
 * Author: rootlinkd
 * Author URI: https://rootlinkd.com/about/
 * License: GPLv2 or later
 * Text Domain: rootlinkd
 * Requires at least: 5.0
 * Requires PHP: 7.4
 */
if ( !defined( 'ABSPATH' ) ) {
    exit;
}
if ( function_exists( 'dawnal_fs' ) ) {
    dawnal_fs()->set_basename( false, __FILE__ );
} elseif ( function_exists( 'dal_fs' ) ) {
    // A pre-2.5.15 build (legacy 3-letter prefix) of the paired free/premium
    // plugin is already loaded in this request. Both declare the same classes,
    // so continuing would fatal with "Cannot redeclare class". Stand down until
    // that build is updated.
    return;
} else {
    /**
     * DO NOT REMOVE THIS IF, IT IS ESSENTIAL FOR THE
     * `function_exists` CALL ABOVE TO PROPERLY WORK.
     *
     * This whole plugin body — the Freemius bootstrap AND everything below it,
     * including the plugin class declarations — must live inside
     * this `else`. If the paired free/premium build has already loaded and defined
     * dawnal_fs() (both are the same PHP source, so they declare an identically-named
     * class), reaching the class declaration a second time in the same request is
     * a fatal "Cannot redeclare class" error, not a no-op. Freemius' own generated
     * integration instructions show exactly this nesting for that reason: only the
     * plugin variant that loaded FIRST keeps running until set_basename() lets
     * Freemius deactivate the other one on the next request. See v2.5.9 changelog.
     */
    if ( !function_exists( 'dawnal_fs' ) ) {
        // Create a helper function for easy SDK access.
        function dawnal_fs() {
            global $dawnal_fs;
            if ( !isset( $dawnal_fs ) ) {
                // Include Freemius SDK.
                require_once dirname( __FILE__ ) . '/vendor/freemius/start.php';
                $dawnal_fs = fs_dynamic_init( array(
                    'id'               => '22620',
                    'slug'             => 'rootlinkd',
                    'type'             => 'plugin',
                    'public_key'       => 'pk_bec5b92ce58e3ca90a289c5523e74',
                    'is_premium'       => false,
                    'has_addons'       => false,
                    'has_paid_plans'   => true,
                    'is_org_compliant' => true,
                    'has_affiliation'  => 'all',
                    'menu'             => array(
                        'slug'    => 'rootlinkd',
                        'support' => false,
                    ),
                    'is_live'          => true,
                ) );
            }
            return $dawnal_fs;
        }

        // Init Freemius.
        dawnal_fs();
        // Signal that SDK was initiated.
        do_action( 'dawnal_fs_loaded' );
    }
    define( 'DAWNAL_VERSION', '2.5.24' );
    define( 'DAWNAL_TIER_FREE', 'free' );
    define( 'DAWNAL_TIER_PRO', 'pro' );
    define( 'DAWNAL_TIER_BUSINESS', 'business' );
    define( 'DAWNAL_TIER_DEVELOPER', 'developer' );
    define( 'DAWNAL_OPT_PREFIX', 'dawnal_' );
    define( 'DAWNAL_CACHE_KEY_RULES', 'dawnal_active_rules' );
    define( 'DAWNAL_CACHE_TTL', 300 );
    // =============================================================================
    // Logging (NO OUTPUT EVER from activation)
    // =============================================================================
    if ( !function_exists( 'dawnal_log' ) ) {
        function dawnal_log(  $message, $context = []  ) {
            // Diagnostics only: writes nothing unless the site has WP_DEBUG and WP_DEBUG_LOG enabled.
            if ( !defined( 'WP_DEBUG' ) || !WP_DEBUG || !defined( 'WP_DEBUG_LOG' ) || !WP_DEBUG_LOG ) {
                return;
            }
            if ( !is_string( $message ) ) {
                $message = (string) wp_json_encode( $message );
            }
            $line = '[rootlinkd] ' . $message;
            if ( !empty( $context ) ) {
                $line .= ' | ' . wp_json_encode( $context );
            }
            // phpcs:disable WordPress.PHP.DevelopmentFunctions.error_log_error_log
            error_log( $line );
            // phpcs:enable WordPress.PHP.DevelopmentFunctions.error_log_error_log
        }

    }
    if ( !function_exists( 'dawnal_set_activation_error' ) ) {
        function dawnal_set_activation_error(  $message, $data = []  ) {
            update_option( 'dawnal_last_activation_error', sanitize_text_field( $message ), false );
            update_option( 'dawnal_last_activation_error_data', wp_json_encode( $data ), false );
            update_option( 'dawnal_last_activation_error_time', current_time( 'mysql' ), false );
            dawnal_log( 'Activation error: ' . $message, $data );
        }

    }
    // =============================================================================
    // Main Plugin
    // =============================================================================
    // =============================================================================
    // Free / Premium code split
    // =============================================================================
    require_once __DIR__ . '/includes/class-rootlinkd-free.php';
    $dawnal_plugin_class = 'Dawnal_Free_Plugin';
    /**
     * One-time migration from the legacy `dal_` prefix (pre-2.5.15) to `dawnal_`.
     * Copies stored options and post meta to the new names, then removes the old
     * rows. The rules table name (dawn_auto_links) is unchanged. Runs once per site.
     */
    if ( !function_exists( 'dawnal_migrate_legacy_prefix' ) ) {
        function dawnal_migrate_legacy_prefix() {
            if ( get_option( 'dawnal_prefix_migrated' ) ) {
                return;
            }
            global $wpdb;
            // Explicit list so options belonging to any other plugin are never touched.
            $legacy_names = array(
                'activated_successfully',
                'activation_version',
                'affiliate_tags',
                'exclude_current_page',
                'last_activation_error',
                'last_activation_error_data',
                'last_activation_error_time',
                'link_chance',
                'link_style',
                'max_links_per_post',
                'once_per_keyword',
                'skip_first_paragraphs',
                'trusted_domains'
            );
            foreach ( $legacy_names as $name ) {
                $old_name = 'dal_' . $name;
                $value = get_option( $old_name, null );
                if ( null === $value ) {
                    continue;
                }
                if ( null === get_option( 'dawnal_' . $name, null ) ) {
                    add_option( 'dawnal_' . $name, $value );
                }
                delete_option( $old_name );
            }
            delete_transient( 'dal_admin_notice' );
            // Rename the per-post "disable auto-links" flag. One-time, runs once per site.
            // phpcs:disable WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching,WordPress.DB.SlowDBQuery.slow_db_query_meta_key
            $post_ids = $wpdb->get_col( $wpdb->prepare( "SELECT post_id FROM {$wpdb->postmeta} WHERE meta_key = %s", '_dal_disable' ) );
            if ( !empty( $post_ids ) ) {
                $wpdb->update(
                    $wpdb->postmeta,
                    array(
                        'meta_key' => '_dawnal_disable',
                    ),
                    array(
                        'meta_key' => '_dal_disable',
                    ),
                    array('%s'),
                    array('%s')
                );
                foreach ( $post_ids as $post_id ) {
                    wp_cache_delete( (int) $post_id, 'post_meta' );
                }
            }
            // phpcs:enable WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching,WordPress.DB.SlowDBQuery.slow_db_query_meta_key
            update_option( 'dawnal_prefix_migrated', DAWNAL_VERSION, false );
        }

    }
    register_activation_hook( __FILE__, array($dawnal_plugin_class, 'activate_static') );
    register_deactivation_hook( __FILE__, array($dawnal_plugin_class, 'deactivate_static') );
    add_action( 'plugins_loaded', function () use($dawnal_plugin_class) {
        dawnal_migrate_legacy_prefix();
        new $dawnal_plugin_class();
    } );
    // Deliberately no uninstall hook. Free and premium builds share the same table
    // and dawnal_* options so a normal upgrade cannot destroy the other build's data.
}
// end: Freemius basename guard — DO NOT hoist runtime code outside this else.