<?php
/**
 * Plugin and theme tools. Read-only: this plugin never activates, deactivates, installs or
 * removes plugins or themes.
 *
 * @package Mcp100p
 */

defined( 'ABSPATH' ) || exit;

class MCP100P_Tools_Plugins_Themes {

	public static function available() {
		return true;
	}

	public static function register() {
		MCP100P_Tools::add(
			array(
				'name'        => 'wp_list_plugins',
				'title'       => 'List plugins',
				'group'       => 'plugins_themes',
				'description' => 'List installed plugins with their version, active state and available updates.',
				'read_only'   => true,
				'callback'    => array( __CLASS__, 'list_plugins' ),
			)
		);

		MCP100P_Tools::add(
			array(
				'name'        => 'wp_list_themes',
				'title'       => 'List themes',
				'group'       => 'plugins_themes',
				'description' => 'List installed themes and show which one is active.',
				'read_only'   => true,
				'callback'    => array( __CLASS__, 'list_themes' ),
			)
		);

	}

	private static function load_plugin_api() {
		require_once ABSPATH . 'wp-admin/includes/plugin.php';
	}

	public static function list_plugins() {
		if ( ! MCP100P_Server::owner_can( 'activate_plugins' ) ) {
			return MCP100P_Util::error( 'You are not allowed to view plugins.' );
		}
		self::load_plugin_api();

		$updates = get_site_transient( 'update_plugins' );
		$items   = array();
		foreach ( get_plugins() as $file => $data ) {
			$items[] = array(
				'plugin'           => $file,
				'name'             => $data['Name'],
				'version'          => $data['Version'],
				'active'           => is_plugin_active( $file ),
				'author'           => wp_strip_all_tags( $data['Author'] ),
				'description'      => wp_trim_words( wp_strip_all_tags( $data['Description'] ), 25 ),
				'update_available' => isset( $updates->response[ $file ]->new_version ) ? $updates->response[ $file ]->new_version : null,
			);
		}
		return array( 'items' => $items );
	}

	public static function list_themes() {
		if ( ! MCP100P_Server::owner_can( 'switch_themes' ) ) {
			return MCP100P_Util::error( 'You are not allowed to view themes.' );
		}

		$updates = get_site_transient( 'update_themes' );
		$active  = get_stylesheet();
		$items   = array();
		foreach ( wp_get_themes() as $stylesheet => $theme ) {
			$items[] = array(
				'stylesheet'       => $stylesheet,
				'name'             => $theme->get( 'Name' ),
				'version'          => $theme->get( 'Version' ),
				'active'           => $active === $stylesheet,
				'parent'           => $theme->get_template() !== $stylesheet ? $theme->get_template() : null,
				'block_theme'      => method_exists( $theme, 'is_block_theme' ) ? $theme->is_block_theme() : false,
				'update_available' => isset( $updates->response[ $stylesheet ]['new_version'] ) ? $updates->response[ $stylesheet ]['new_version'] : null,
			);
		}
		return array( 'items' => $items );
	}
}