<?php
/*
Plugin Name: aFFirmFirst Cloud Library
Plugin URI: https://affirmfirst.com/wordpress-plugin
Description: Secure Cloud Media Manager with Virtual Media Library Integration. Protects images with SDK canvas rendering, signed URLs, and forensic watermarking.
Version: 1.1.0
Author: aFFirmFirst
Author URI: https://affirmfirst.com
License: GPL v2 or later
Text Domain: affirmfirst-cloud-library
*/

if (!defined('ABSPATH')) exit;

// Constants
define('AFFIRM_VERSION', '1.1.0');
define('AFFIRM_PLUGIN_DIR', plugin_dir_path(__FILE__));
define('AFFIRM_PLUGIN_URL', plugin_dir_url(__FILE__));

// Service endpoints are fixed and NOT user-configurable. This guarantees the SDK
// script and all API calls always target aFFirmFirst's own infrastructure and can
// never be pointed at an arbitrary third-party host. Users only enter an API key.

// Frontend URL — handles auth, plugin API, image listing
function affirm_get_frontend_url() {
    return 'https://affirmfirst.com';
}

// Backend CDN URL — handles SDK, streaming, signed image delivery
function affirm_get_backend_url() {
    return 'https://cdn.secured.affirmfirst.com';
}

function affirm_get_sdk_url() {
    return affirm_get_backend_url() . '/sdk/affirm.js';
}

// Include Classes
require_once AFFIRM_PLUGIN_DIR . 'includes/class-api.php';
require_once AFFIRM_PLUGIN_DIR . 'includes/class-admin.php';
require_once AFFIRM_PLUGIN_DIR . 'includes/class-sync.php';
require_once AFFIRM_PLUGIN_DIR . 'includes/class-media-handler.php';
require_once AFFIRM_PLUGIN_DIR . 'includes/class-media-library.php';
require_once AFFIRM_PLUGIN_DIR . 'includes/class-frontend-renderer.php';
require_once AFFIRM_PLUGIN_DIR . 'includes/class-shortcode.php';
require_once AFFIRM_PLUGIN_DIR . 'includes/class-scanner.php';
require_once AFFIRM_PLUGIN_DIR . 'includes/class-blocks.php';

// Initialize Plugin
function affirm_init() {
    new Affirm_Api();
    new Affirm_Admin();
    new Affirm_Sync();
    new Affirm_Media_Handler();
    new Affirm_Media_Library();
    new Affirm_Frontend_Renderer();
    new Affirm_Shortcode();
    new Affirm_Scanner();
    new Affirm_Blocks();
}
add_action('plugins_loaded', 'affirm_init');

// Activation Hook
register_activation_hook(__FILE__, 'affirm_activate');
function affirm_activate() {
    // Create cache table for signed URLs
    global $wpdb;
    $table = $wpdb->prefix . 'affirm_signed_urls';
    $charset = $wpdb->get_charset_collate();
    $sql = "CREATE TABLE IF NOT EXISTS $table (
        id bigint(20) NOT NULL AUTO_INCREMENT,
        image_id varchar(64) NOT NULL,
        signed_url text NOT NULL,
        expires_at bigint(20) NOT NULL,
        created_at datetime DEFAULT CURRENT_TIMESTAMP,
        PRIMARY KEY (id),
        KEY image_id (image_id),
        KEY expires_at (expires_at)
    ) $charset;";
    require_once ABSPATH . 'wp-admin/includes/upgrade.php';
    dbDelta($sql);

    // Create scanned images table for image scanner
    $scan_table = $wpdb->prefix . 'affirm_scanned_images';
    $sql2 = "CREATE TABLE IF NOT EXISTS $scan_table (
        id bigint(20) NOT NULL AUTO_INCREMENT,
        post_id bigint(20) NOT NULL,
        image_src text NOT NULL,
        img_tag text NOT NULL,
        alt_text varchar(500) DEFAULT '',
        width int(11) DEFAULT 0,
        height int(11) DEFAULT 0,
        status varchar(20) DEFAULT 'pending',
        affirm_image_id varchar(64) DEFAULT NULL,
        error_message text DEFAULT NULL,
        scanned_at datetime DEFAULT CURRENT_TIMESTAMP,
        protected_at datetime DEFAULT NULL,
        PRIMARY KEY (id),
        KEY post_id (post_id),
        KEY status (status),
        KEY affirm_image_id (affirm_image_id)
    ) $charset;";
    dbDelta($sql2);
}

// Deactivation Hook
register_deactivation_hook(__FILE__, 'affirm_deactivate');
function affirm_deactivate() {
    wp_clear_scheduled_hook('affirm_bulk_process_batch');
}

// Uninstall Hook
register_uninstall_hook(__FILE__, 'affirm_uninstall');
function affirm_uninstall() {
    delete_option('affirm_api_key');
    delete_option('affirm_frontend_url');
    delete_option('affirm_backend_url');
    delete_option('affirm_render_mode');
    delete_option('affirm_signed_url_ttl');
    global $wpdb;
    // Custom tables must be removed on uninstall; schema change is intentional and one-time.
    // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.SchemaChange
    $wpdb->query("DROP TABLE IF EXISTS {$wpdb->prefix}affirm_signed_urls");
    // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.SchemaChange
    $wpdb->query("DROP TABLE IF EXISTS {$wpdb->prefix}affirm_scanned_images");
    delete_option('affirm_current_bulk_job');
    // Clean up vault featured image meta from all posts
    delete_metadata('post', 0, 'affirm_featured_image_id', '', true);
    delete_metadata('post', 0, 'affirm_featured_thumbnail_url', '', true);
    delete_metadata('post', 0, 'affirm_featured_filename', '', true);
}