<?php
/**
 * Admin asset registration.
 *
 * @package NoorSMTP
 */

namespace NoorWork\NoorSMTP\Admin;

defined( 'ABSPATH' ) || exit;

/**
 * Decides what CSS and JS loads on which admin screen.
 */
class Assets {

	/**
	 * Settings page / Admin controller.
	 *
	 * @var SettingsPage
	 */
	private $admin;

	/**
	 * Constructor.
	 *
	 * @param SettingsPage $admin Settings page instance.
	 */
	public function __construct( SettingsPage $admin ) {
		$this->admin = $admin;
	}

	/**
	 * Enqueue styles and scripts for NoorSMTP admin screens.
	 *
	 * @param string $hook Current admin page hook.
	 * @return void
	 */
	public function enqueue( $hook ) {
		$is_noorsmtp = false !== strpos( (string) $hook, 'noorsmtp' );

		if ( ! $is_noorsmtp ) {
			return;
		}

		// Enqueue shared color tokens first.
		wp_enqueue_style(
			'noorsmtp-colors',
			NOORSMTP_URL . 'assets/admin/css/nw-colors.css',
			array(),
			noorsmtp_asset_version( 'assets/admin/css/nw-colors.css' )
		);

		// Enqueue main admin app stylesheet.
		wp_enqueue_style(
			'noorsmtp-admin',
			NOORSMTP_URL . 'assets/admin/css/admin.css',
			array( 'noorsmtp-colors', 'dashicons' ),
			noorsmtp_asset_version( 'assets/admin/css/admin.css' )
		);

		// Enqueue JavaScript app controller.
		wp_enqueue_script(
			'noorsmtp-admin',
			NOORSMTP_URL . 'assets/admin/js/admin.js',
			array( 'jquery', 'wp-i18n' ),
			noorsmtp_asset_version( 'assets/admin/js/admin.js' ),
			true
		);

		wp_localize_script(
			'noorsmtp-admin',
			'noorsmtpApp',
			$this->app_config()
		);

		// Backward compatibility for scripts looking for NoorSmtpAdmin.
		wp_localize_script(
			'noorsmtp-admin',
			'NoorSmtpAdmin',
			array(
				'ajaxUrl' => admin_url( 'admin-ajax.php' ),
				'nonce'   => wp_create_nonce( 'noorsmtp_admin' ),
				'i18n'    => $this->i18n_strings(),
			)
		);
	}

	/**
	 * Application configuration handed to admin.js.
	 *
	 * @return array
	 */
	private function app_config() {
		$settings = $this->admin->get_settings();

		return array(
			'ajaxUrl'   => admin_url( 'admin-ajax.php' ),
			'action'    => 'noorsmtp_admin_action',
			'nonce'     => wp_create_nonce( 'noorsmtp_admin' ),
			'baseUrl'   => noorsmtp_admin_url( 'noorsmtp' ),
			'screen'    => $this->admin->current_screen_id(),
			'isPro'     => noorsmtp_is_pro(),
			'licensed'  => noorsmtp_license_active(),
			'activeMailer' => isset( $settings['mailer'] ) ? $settings['mailer'] : '',
			'i18n'      => $this->i18n_strings(),
		);
	}

	/**
	 * Internationalized UI strings.
	 *
	 * @return array
	 */
	private function i18n_strings() {
		return array(
			'loading'      => __( 'Loading…', 'noorsmtp' ),
			'saving'       => __( 'Saving…', 'noorsmtp' ),
			'saved'        => __( 'Settings saved.', 'noorsmtp' ),
			'saveFailed'   => __( 'Could not save settings. Please try again.', 'noorsmtp' ),
			'sending'      => __( 'Sending…', 'noorsmtp' ),
			'testSent'     => __( 'Test email sent successfully!', 'noorsmtp' ),
			'testFailed'   => __( 'Test email failed to send. Please check your settings and error logs.', 'noorsmtp' ),
			'logsFailed'   => __( 'Could not load email logs.', 'noorsmtp' ),
			'confirm'                => __( 'Are you sure?', 'noorsmtp' ),
			'confirmClear'           => __( 'Are you sure you want to clear all email logs? This cannot be undone.', 'noorsmtp' ),
			'confirmUninstallCleanup'=> __( 'Are you sure you want to enable this? When enabled, all saved settings, mailer credentials, and email logs will be permanently deleted when the plugin is deleted.', 'noorsmtp' ),
			'cleared'                => __( 'Email logs cleared.', 'noorsmtp' ),
			'clearFailed'            => __( 'Could not clear email logs.', 'noorsmtp' ),
			'copied'                 => __( 'Copied to clipboard!', 'noorsmtp' ),
			'copyFailed'             => __( 'Could not copy to clipboard.', 'noorsmtp' ),
			'details'                => __( 'Log Details', 'noorsmtp' ),
			'close'                  => __( 'Close', 'noorsmtp' ),
			'noLogs'                 => __( 'No emails logged yet.', 'noorsmtp' ),
			'connected'              => __( 'Connected', 'noorsmtp' ),
			'connectionVerified'     => __( 'Connection Verified!', 'noorsmtp' ),
		);
	}
}