<?php
/**
 * Plugin Name:       AI Translator (by ROBOTSTXT)
 * Plugin URI:        https://www.robotstxt.software/plugins/robotstxt-ai-translator/
 * Update URI:        https://www.robotstxt.software/plugins/robotstxt-ai-translator/
 * Description:       Translate post titles and content from the editor using the native WordPress AI client (available in WP 7.0+). Multisite-ready with global or per-site configuration.
 * Version:           1.2.2
 * Author:            ROBOTSTXT
 * Author URI:        https://www.robotstxt.software/
 * License:           GPL-3.0-or-later
 * License URI:       https://www.gnu.org/licenses/gpl-3.0.txt
 * Text Domain:       robotstxt-ai-translator
 * Domain Path:       /languages
 * Requires at least: 7.0
 * Requires PHP:      5.6
 * Network:           true
 *
 * @package ROBOTSTXT\AI_Translator
 */

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

/**
 * Plugin version.
 */
define( 'AI_TRANSLATOR_VERSION', '1.2.2' );

/**
 * Main plugin file path.
 */
define( 'AI_TRANSLATOR_FILE', __FILE__ );

/**
 * Plugin directory path (with trailing slash).
 */
define( 'AI_TRANSLATOR_DIR', plugin_dir_path( __FILE__ ) );

/**
 * Plugin URL (with trailing slash).
 */
define( 'AI_TRANSLATOR_URL', plugin_dir_url( __FILE__ ) );

/**
 * Plugin basename (e.g. robotstxt-ai-translator/robotstxt-ai-translator.php).
 */
define( 'AI_TRANSLATOR_BASENAME', plugin_basename( __FILE__ ) );

/**
 * REST API namespace.
 */
define( 'AI_TRANSLATOR_REST_NAMESPACE', 'ai-translator/v1' );

require_once AI_TRANSLATOR_DIR . 'includes/class-ai-translator-settings.php';
require_once AI_TRANSLATOR_DIR . 'includes/class-ai-translator-translator.php';
require_once AI_TRANSLATOR_DIR . 'includes/class-ai-translator-admin.php';
require_once AI_TRANSLATOR_DIR . 'includes/class-ai-translator-editor-ui.php';
require_once AI_TRANSLATOR_DIR . 'includes/class-ai-translator-manager-notice.php';

if ( class_exists( '\Inpsyde\MultilingualPress\TranslationUi\Post\MetaboxAction' ) ) {
	require_once AI_TRANSLATOR_DIR . 'includes/class-ai-translator-mlp-integration.php';
}

if ( defined( 'WP_CLI' ) && WP_CLI ) {
	require_once AI_TRANSLATOR_DIR . 'includes/class-ai-translator-cli.php';
}

/**
 * Loads the plugin text domain.
 *
 * Hooked on `init` per WordPress 6.7+ guidance (loading earlier triggers a
 * `_load_textdomain_just_in_time` deprecation notice).
 *
 * @since 1.0.0
 *
 * @return void
 */
function ai_translator_load_textdomain() {
	load_plugin_textdomain(
		'robotstxt-ai-translator',
		false,
		dirname( AI_TRANSLATOR_BASENAME ) . '/languages'
	);
}
add_action( 'init', 'ai_translator_load_textdomain' );

/**
 * Bootstraps the plugin once all plugins are loaded.
 *
 * @since 1.0.0
 *
 * @return void
 */
function ai_translator_bootstrap() {
	$settings       = new AI_Translator_Settings();
	$translator     = new AI_Translator_Translator( $settings );
	$manager_notice = new AI_Translator_Manager_Notice();
	$admin          = new AI_Translator_Admin( $settings, $manager_notice );
	$editor_ui      = new AI_Translator_Editor_UI( $settings, $translator );

	$admin->register();
	$editor_ui->register();

	if ( defined( 'WP_CLI' ) && WP_CLI ) {
		$cli = new AI_Translator_CLI( $settings, $translator );
		$cli->register();
	}

	if ( class_exists( 'AI_Translator_MLP_Integration' ) ) {
		$mlp = new AI_Translator_MLP_Integration( $settings, $translator );
		$mlp->register();
	}

	$manager_notice->register();
}
add_action( 'plugins_loaded', 'ai_translator_bootstrap' );

/**
 * Renders an admin notice when no AI provider is configured for text generation.
 *
 * `wp_ai_client_prompt()` is part of WordPress 7.0 core, so the function always
 * exists. The meaningful check is whether a provider capable of text generation has
 * been configured — which is what `AI_Translator_Translator::is_supported()` tests.
 *
 * @since 1.0.0
 *
 * @return void
 */
function ai_translator_dependency_notice() {
	if ( ! current_user_can( 'manage_options' ) ) {
		return;
	}

	$translator = new AI_Translator_Translator( new AI_Translator_Settings() );

	if ( $translator->is_supported() ) {
		return;
	}

	$settings_url = admin_url( 'options-general.php?page=options-connectors-wp-admin' );

	$message = sprintf(
		/* translators: %s: Link to the WordPress AI settings page. */
		esc_html__( 'AI Translator (by ROBOTSTXT) requires a configured AI provider for text generation. Open %s to set one up.', 'robotstxt-ai-translator' ),
		'<a href="' . esc_url( $settings_url ) . '">' . esc_html__( 'Settings → AI', 'robotstxt-ai-translator' ) . '</a>'
	);

	printf(
		'<div class="notice notice-warning"><p>%s</p></div>',
		wp_kses(
			$message,
			array(
				'a' => array(
					'href' => array(),
				),
			)
		)
	);
}
add_action( 'admin_notices', 'ai_translator_dependency_notice' );
add_action( 'network_admin_notices', 'ai_translator_dependency_notice' );