<?php
/**
 * Assets (CSS/JS) - lean and loaded only where needed.
 *
 * @package QuietAdmin
 */

namespace QuietAdmin;

defined( 'ABSPATH' ) || exit;

/**
 * Class Assets.
 *
 * @since 0.1.0
 */
class Assets {

	/**
	 * Handle of the admin CSS.
	 *
	 * @since 0.1.0
	 * @var string
	 */
	const STYLE_HANDLE = 'quietadmin-admin';

	/**
	 * Handle of the admin JS.
	 *
	 * @since 0.1.0
	 * @var string
	 */
	const SCRIPT_HANDLE = 'quietadmin-admin';

	/**
	 * Register hooks.
	 *
	 * @since 0.1.0
	 *
	 * @return void
	 */
	public function register() {
		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue' ) );
		add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_frontend' ) );
	}

	/**
	 * Loads admin-bar styles and the Ghost Mode shortcut on the frontend.
	 *
	 * @since 0.9.2
	 * @return void
	 */
	public function enqueue_frontend() {
		if ( ! is_user_logged_in() || ! function_exists( 'is_admin_bar_showing' ) || ! is_admin_bar_showing() ) {
			return;
		}

		if ( ! Ghost_Mode::is_available() && ! ClientMode::is_impersonating() && ! ClientMode::is_active() ) {
			return;
		}

		self::enqueue_admin( true );
	}

	/**
	 * Loads CSS/JS in the admin area.
	 *
	 * @since 0.1.0
	 *
	 * @param string $hook Current screen hook.
	 * @return void
	 */
	public function enqueue( $hook ) {
		$is_plugin_screen = false !== strpos( (string) $hook, 'oms-quietadmin' );
		$is_client_mode   = ClientMode::is_active();

		if ( ! $is_plugin_screen && ! $is_client_mode ) {
			// Agencies only need the script for Ghost Mode / impersonation.
			if ( ! Ghost_Mode::is_available() && ! ClientMode::is_impersonating() ) {
				return;
			}
		}

		self::enqueue_admin( true );
	}

	/**
	 * Registers and loads the admin assets.
	 *
	 * @since 0.1.0
	 *
	 * @param bool $force Also load if the automatic check says no.
	 * @return void
	 */
	public static function enqueue_admin( $force = false ) {
		unset( $force );

		wp_register_style(
			self::STYLE_HANDLE,
			QUIETADMIN_URL . 'assets/css/admin.css',
			array( 'dashicons' ),
			QUIETADMIN_VERSION
		);

		wp_register_script(
			self::SCRIPT_HANDLE,
			QUIETADMIN_URL . 'assets/js/admin.js',
			array(),
			QUIETADMIN_VERSION,
			true
		);

		wp_localize_script(
			self::SCRIPT_HANDLE,
			'quietadmin',
			array(
				'ajaxUrl'       => admin_url( 'admin-ajax.php' ),
				'ghostNonce'    => wp_create_nonce( Ghost_Mode::ACTION ),
				'ghostAction'   => Ghost_Mode::ACTION,
				'ghostActive'   => ClientMode::is_ghost_mode(),
				'support'       => array(
					'nonce'  => wp_create_nonce( Support::AJAX_ACTION ),
					'action' => Support::AJAX_ACTION,
					'i18n'   => array(
						'sending' => __( 'Sending …', 'oms-quietadmin' ),
						'error'   => __( 'The message could not be sent. Please try again.', 'oms-quietadmin' ),
						'fillIn'  => __( 'Please describe your request.', 'oms-quietadmin' ),
					),
				),
				'i18n'          => array(
					'chooseLogo' => __( 'Choose logo', 'oms-quietadmin' ),
				),
				'canGhost'      => Ghost_Mode::is_available(),
				'impersonating' => ClientMode::is_impersonating(),
			)
		);

		wp_enqueue_style( self::STYLE_HANDLE );
		wp_enqueue_script( self::SCRIPT_HANDLE );
	}
}