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/**
 * General API functions for scheduling actions
 *
 * @package ActionScheduler.
 */

/**
 * Enqueue an action to run one time, as soon as possible
 *
 * @param string $hook The hook to trigger.
 * @param array  $args Arguments to pass when the hook triggers.
 * @param string $group The group to assign this job to.
 * @param bool   $unique Whether the action should be unique.
 *
 * @return int The action ID.
 */
function as_enqueue_async_action( $hook, $args = array(), $group = '', $unique = false ) {
	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
		return 0;
	}

	/**
	 * Provides an opportunity to short-circuit the default process for enqueuing async
	 * actions.
	 *
	 * Returning a value other than null from the filter will short-circuit the normal
	 * process. The expectation in such a scenario is that callbacks will return an integer
	 * representing the enqueued action ID (enqueued using some alternative process) or else
	 * zero.
	 *
	 * @param int|null $pre_option The value to return instead of the option value.
	 * @param string   $hook       Action hook.
	 * @param array    $args       Action arguments.
	 * @param string   $group      Action group.
	 */
	$pre = apply_filters( 'pre_as_enqueue_async_action', null, $hook, $args, $group );
	if ( null !== $pre ) {
		return is_int( $pre ) ? $pre : 0;
	}

	return ActionScheduler::factory()->async_unique( $hook, $args, $group, $unique );
}

/**
 * Schedule an action to run one time
 *
 * @param int    $timestamp When the job will run.
 * @param string $hook The hook to trigger.
 * @param array  $args Arguments to pass when the hook triggers.
 * @param string $group The group to assign this job to.
 * @param bool   $unique Whether the action should be unique.
 *
 * @return int The action ID.
 */
function as_schedule_single_action( $timestamp, $hook, $args = array(), $group = '', $unique = false ) {
	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
		return 0;
	}

	/**
	 * Provides an opportunity to short-circuit the default process for enqueuing single
	 * actions.
	 *
	 * Returning a value other than null from the filter will short-circuit the normal
	 * process. The expectation in such a scenario is that callbacks will return an integer
	 * representing the scheduled action ID (scheduled using some alternative process) or else
	 * zero.
	 *
	 * @param int|null $pre_option The value to return instead of the option value.
	 * @param int      $timestamp  When the action will run.
	 * @param string   $hook       Action hook.
	 * @param array    $args       Action arguments.
	 * @param string   $group      Action group.
	 */
	$pre = apply_filters( 'pre_as_schedule_single_action', null, $timestamp, $hook, $args, $group );
	if ( null !== $pre ) {
		return is_int( $pre ) ? $pre : 0;
	}

	return ActionScheduler::factory()->single_unique( $hook, $args, $timestamp, $group, $unique );
}

/**
 * Schedule a recurring action
 *
 * @param int    $timestamp When the first instance of the job will run.
 * @param int    $interval_in_seconds How long to wait between runs.
 * @param string $hook The hook to trigger.
 * @param array  $args Arguments to pass when the hook triggers.
 * @param string $group The group to assign this job to.
 * @param bool   $unique Whether the action should be unique.
 *
 * @return int The action ID.
 */
function as_schedule_recurring_action( $timestamp, $interval_in_seconds, $hook, $args = array(), $group = '', $unique = false ) {
	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
		return 0;
	}

	/**
	 * Provides an opportunity to short-circuit the default process for enqueuing recurring
	 * actions.
	 *
	 * Returning a value other than null from the filter will short-circuit the normal
	 * process. The expectation in such a scenario is that callbacks will return an integer
	 * representing the scheduled action ID (scheduled using some alternative process) or else
	 * zero.
	 *
	 * @param int|null $pre_option          The value to return instead of the option value.
	 * @param int      $timestamp           When the action will run.
	 * @param int      $interval_in_seconds How long to wait between runs.
	 * @param string   $hook                Action hook.
	 * @param array    $args                Action arguments.
	 * @param string   $group               Action group.
	 */
	$pre = apply_filters( 'pre_as_schedule_recurring_action', null, $timestamp, $interval_in_seconds, $hook, $args, $group );
	if ( null !== $pre ) {
		return is_int( $pre ) ? $pre : 0;
	}

	return ActionScheduler::factory()->recurring_unique( $hook, $args, $timestamp, $interval_in_seconds, $group, $unique );
}

/**
 * Schedule an action that recurs on a cron-like schedule.
 *
 * @param int    $timestamp The first instance of the action will be scheduled
 *           to run at a time calculated after this timestamp matching the cron
 *           expression. This can be used to delay the first instance of the action.
 * @param string $schedule A cron-link schedule string.
 * @see http://en.wikipedia.org/wiki/Cron
 *   *    *    *    *    *    *
 *   ┬    ┬    ┬    ┬    ┬    ┬
 *   |    |    |    |    |    |
 *   |    |    |    |    |    + year [optional]
 *   |    |    |    |    +----- day of week (0 - 7) (Sunday=0 or 7)
 *   |    |    |    +---------- month (1 - 12)
 *   |    |    +--------------- day of month (1 - 31)
 *   |    +-------------------- hour (0 - 23)
 *   +------------------------- min (0 - 59)
 * @param string $hook The hook to trigger.
 * @param array  $args Arguments to pass when the hook triggers.
 * @param string $group The group to assign this job to.
 * @param bool   $unique Whether the action should be unique.
 *
 * @return int The action ID.
 */
function as_schedule_cron_action( $timestamp, $schedule, $hook, $args = array(), $group = '', $unique = false ) {
	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
		return 0;
	}

	/**
	 * Provides an opportunity to short-circuit the default process for enqueuing cron
	 * actions.
	 *
	 * Returning a value other than null from the filter will short-circuit the normal
	 * process. The expectation in such a scenario is that callbacks will return an integer
	 * representing the scheduled action ID (scheduled using some alternative process) or else
	 * zero.
	 *
	 * @param int|null $pre_option The value to return instead of the option value.
	 * @param int      $timestamp  When the action will run.
	 * @param string   $schedule   Cron-like schedule string.
	 * @param string   $hook       Action hook.
	 * @param array    $args       Action arguments.
	 * @param string   $group      Action group.
	 */
	$pre = apply_filters( 'pre_as_schedule_cron_action', null, $timestamp, $schedule, $hook, $args, $group );
	if ( null !== $pre ) {
		return is_int( $pre ) ? $pre : 0;
	}

	return ActionScheduler::factory()->cron_unique( $hook, $args, $timestamp, $schedule, $group, $unique );
}

/**
 * Cancel the next occurrence of a scheduled action.
 *
 * While only the next instance of a recurring or cron action is unscheduled by this method, that will also prevent
 * all future instances of that recurring or cron action from being run. Recurring and cron actions are scheduled in
 * a sequence instead of all being scheduled at once. Each successive occurrence of a recurring action is scheduled
 * only after the former action is run. If the next instance is never run, because it's unscheduled by this function,
 * then the following instance will never be scheduled (or exist), which is effectively the same as being unscheduled
 * by this method also.
 *
 * @param string $hook The hook that the job will trigger.
 * @param array  $args Args that would have been passed to the job.
 * @param string $group The group the job is assigned to.
 *
 * @return int|null The scheduled action ID if a scheduled action was found, or null if no matching action found.
 */
function as_unschedule_action( $hook, $args = array(), $group = '' ) {
	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
		return 0;
	}
	$params = array(
		'hook'    => $hook,
		'status'  => ActionScheduler_Store::STATUS_PENDING,
		'orderby' => 'date',
		'order'   => 'ASC',
		'group'   => $group,
	);
	if ( is_array( $args ) ) {
		$params['args'] = $args;
	}

	$action_id = ActionScheduler::store()->query_action( $params );

	if ( $action_id ) {
		try {
			ActionScheduler::store()->cancel_action( $action_id );
		} catch ( Exception $exception ) {
			ActionScheduler::logger()->log(
				$action_id,
				sprintf(
					/* translators: %s is the name of the hook to be cancelled. */
					__( 'Caught exception while cancelling action: %s', 'woocommerce' ),
					esc_attr( $hook )
				)
			);

			$action_id = null;
		}
	}

	return $action_id;
}

/**
 * Cancel all occurrences of a scheduled action.
 *
 * @param string $hook The hook that the job will trigger.
 * @param array  $args Args that would have been passed to the job.
 * @param string $group The group the job is assigned to.
 */
function as_unschedule_all_actions( $hook, $args = array(), $group = '' ) {
	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
		return;
	}
	if ( empty( $args ) ) {
		if ( ! empty( $hook ) && empty( $group ) ) {
			ActionScheduler_Store::instance()->cancel_actions_by_hook( $hook );
			return;
		}
		if ( ! empty( $group ) && empty( $hook ) ) {
			ActionScheduler_Store::instance()->cancel_actions_by_group( $group );
			return;
		}
	}
	do {
		$unscheduled_action = as_unschedule_action( $hook, $args, $group );
	} while ( ! empty( $unscheduled_action ) );
}

/**
 * Check if there is an existing action in the queue with a given hook, args and group combination.
 *
 * An action in the queue could be pending, in-progress or async. If the is pending for a time in
 * future, its scheduled date will be returned as a timestamp. If it is currently being run, or an
 * async action sitting in the queue waiting to be processed, in which case boolean true will be
 * returned. Or there may be no async, in-progress or pending action for this hook, in which case,
 * boolean false will be the return value.
 *
 * @param string $hook Name of the hook to search for.
 * @param array  $args Arguments of the action to be searched.
 * @param string $group Group of the action to be searched.
 *
 * @return int|bool The timestamp for the next occurrence of a pending scheduled action, true for an async or in-progress action or false if there is no matching action.
 */
function as_next_scheduled_action( $hook, $args = null, $group = '' ) {
	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
		return false;
	}

	$params = array(
		'hook'    => $hook,
		'orderby' => 'date',
		'order'   => 'ASC',
		'group'   => $group,
	);

	if ( is_array( $args ) ) {
		$params['args'] = $args;
	}

	$params['status'] = ActionScheduler_Store::STATUS_RUNNING;
	$action_id        = ActionScheduler::store()->query_action( $params );
	if ( $action_id ) {
		return true;
	}

	$params['status'] = ActionScheduler_Store::STATUS_PENDING;
	$action_id        = ActionScheduler::store()->query_action( $params );
	if ( null === $action_id ) {
		return false;
	}

	$action         = ActionScheduler::store()->fetch_action( $action_id );
	$scheduled_date = $action->get_schedule()->get_date();
	if ( $scheduled_date ) {
		return (int) $scheduled_date->format( 'U' );
	} elseif ( null === $scheduled_date ) { // pending async action with NullSchedule.
		return true;
	}

	return false;
}

/**
 * Check if there is a scheduled action in the queue but more efficiently than as_next_scheduled_action().
 *
 * It's recommended to use this function when you need to know whether a specific action is currently scheduled
 * (pending or in-progress).
 *
 * @since 3.3.0
 *
 * @param string $hook  The hook of the action.
 * @param array  $args  Args that have been passed to the action. Null will matches any args.
 * @param string $group The group the job is assigned to.
 *
 * @return bool True if a matching action is pending or in-progress, false otherwise.
 */
function as_has_scheduled_action( $hook, $args = null, $group = '' ) {
	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
		return false;
	}

	$query_args = array(
		'hook'    => $hook,
		'status'  => array( ActionScheduler_Store::STATUS_RUNNING, ActionScheduler_Store::STATUS_PENDING ),
		'group'   => $group,
		'orderby' => 'none',
	);

	if ( null !== $args ) {
		$query_args['args'] = $args;
	}

	$action_id = ActionScheduler::store()->query_action( $query_args );

	return null !== $action_id;
}

/**
 * Find scheduled actions
 *
 * @param array  $args Possible arguments, with their default values.
 *         'hook' => '' - the name of the action that will be triggered.
 *         'args' => NULL - the args array that will be passed with the action.
 *         'date' => NULL - the scheduled date of the action. Expects a DateTime object, a unix timestamp, or a string that can parsed with strtotime(). Used in UTC timezone.
 *         'date_compare' => '<=' - operator for testing "date". accepted values are '!=', '>', '>=', '<', '<=', '='.
 *         'modified' => NULL - the date the action was last updated. Expects a DateTime object, a unix timestamp, or a string that can parsed with strtotime(). Used in UTC timezone.
 *         'modified_compare' => '<=' - operator for testing "modified". accepted values are '!=', '>', '>=', '<', '<=', '='.
 *         'group' => '' - the group the action belongs to.
 *         'status' => '' - ActionScheduler_Store::STATUS_COMPLETE or ActionScheduler_Store::STATUS_PENDING.
 *         'claimed' => NULL - TRUE to find claimed actions, FALSE to find unclaimed actions, a string to find a specific claim ID.
 *         'per_page' => 5 - Number of results to return.
 *         'offset' => 0.
 *         'orderby' => 'date' - accepted values are 'hook', 'group', 'modified', 'date' or 'none'.
 *         'order' => 'ASC'.
 *
 * @param string $return_format OBJECT, ARRAY_A, or ids.
 *
 * @return array
 */
function as_get_scheduled_actions( $args = array(), $return_format = OBJECT ) {
	if ( ! ActionScheduler::is_initialized( __FUNCTION__ ) ) {
		return array();
	}
	$store = ActionScheduler::store();
	foreach ( array( 'date', 'modified' ) as $key ) {
		if ( isset( $args[ $key ] ) ) {
			$args[ $key ] = as_get_datetime_object( $args[ $key ] );
		}
	}
	$ids = $store->query_actions( $args );

	if ( 'ids' === $return_format || 'int' === $return_format ) {
		return $ids;
	}

	$actions = array();
	foreach ( $ids as $action_id ) {
		$actions[ $action_id ] = $store->fetch_action( $action_id );
	}

	if ( ARRAY_A == $return_format ) {
		foreach ( $actions as $action_id => $action_object ) {
			$actions[ $action_id ] = get_object_vars( $action_object );
		}
	}

	return $actions;
}

/**
 * Helper function to create an instance of DateTime based on a given
 * string and timezone. By default, will return the current date/time
 * in the UTC timezone.
 *
 * Needed because new DateTime() called without an explicit timezone
 * will create a date/time in PHP's timezone, but we need to have
 * assurance that a date/time uses the right timezone (which we almost
 * always want to be UTC), which means we need to always include the
 * timezone when instantiating datetimes rather than leaving it up to
 * the PHP default.
 *
 * @param mixed  $date_string A date/time string. Valid formats are explained in http://php.net/manual/en/datetime.formats.php.
 * @param string $timezone A timezone identifier, like UTC or Europe/Lisbon. The list of valid identifiers is available http://php.net/manual/en/timezones.php.
 *
 * @return ActionScheduler_DateTime
 */
function as_get_datetime_object( $date_string = null, $timezone = 'UTC' ) {
	if ( is_object( $date_string ) && $date_string instanceof DateTime ) {
		$date = new ActionScheduler_DateTime( $date_string->format( 'Y-m-d H:i:s' ), new DateTimeZone( $timezone ) );
	} elseif ( is_numeric( $date_string ) ) {
		$date = new ActionScheduler_DateTime( '@' . $date_string, new DateTimeZone( $timezone ) );
	} else {
		$date = new ActionScheduler_DateTime( null === $date_string ? 'now' : $date_string, new DateTimeZone( $timezone ) );
	}
	return $date;
}

/**
 * Template Kit Import: Template Kits Import
 *
 * API for handling template kit imports
 *
 * @package Envato/Template_Kit_Import
 * @since 2.0.0
 */

namespace Template_Kit_Import\API;

use Template_Kit_Import\Backend\Template_Kits;
use Template_Kit_Import\Utils\Limits;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}


/**
 * API for handling template kit imports
 *
 * @since 2.0.0
 */
class Requirements extends API {

	/**
	 * @return \WP_REST_Response
	 */
	public function install_requirement( $request ) {

		Limits::get_instance()->raise_limits();

		$requirement = json_decode( $request->get_param( 'requirement' ), true );
		if ( ! empty( $requirement ) && ! empty( $requirement['setting'] ) ) {

			// The front end has sent an API request to set any default settings.
			if ( ! current_user_can( 'manage_options' ) ) {
				return $this->format_error(
					'installRequirement',
					'install_failed',
					'Please contact your administrator to setup settings correctly.'
				);
			}

			$settings_allowlist = array(
				'elementor_disable_color_schemes'      => 'yes',
				'elementor_disable_typography_schemes' => 'yes',
			);

			$setting_name = $requirement['setting']['setting_name'];

			// Check if our setting is in the allowlist
			if ( isset( $settings_allowlist[ $setting_name ] ) ) {
				// Set our setting to the permitted value in the allowlist
				update_option( $setting_name, $settings_allowlist[ $setting_name ] );

				// Tell our front end it worked:
				return $this->format_success(
					array(
						'success' => $setting_name,
					)
				);
			} else {
				// If our front end tries to set a not allowed setting we return an error.
				return $this->format_error(
					'installRequirement',
					'install_failed',
					'This setting is not allowed.'
				);
			}
		}

		if ( ! empty( $requirement ) && ! empty( $requirement['plugin'] ) ) {

			if ( ! current_user_can( 'install_plugins' ) ) {
				return $this->format_error(
					'installRequirement',
					'install_failed',
					'Please contact your administrator to install plugins.'
				);
			}

			$plugin_slug = $requirement['plugin']['slug'];

			if ( $plugin_slug === 'elementor-pro' ) {
				return $this->format_error(
					'installRequirement',
					'install_failed',
					'Please purchase Elementor Pro from here first',
					array(
						'url' => 'https://elementor.com/pro/?ref=2837',
					)
				);
			}

			$install_status = $this->install_plugin( $requirement['plugin'] );
			if ( ! $install_status['success'] ) {
				return $this->format_error(
					'installRequirement',
					'install_failed',
					'Plugin install failed: ' . $install_status['errorMessage']
				);
			}

			return $this->format_success(
				array(
					'success' => $plugin_slug,
				)
			);
		}

		if ( ! empty( $requirement ) && ! empty( $requirement['theme'] ) ) {

			if ( ! current_user_can( 'install_themes' ) ) {
				return $this->format_error(
					'installRequirement',
					'install_failed',
					'Please contact your administrator to install themes.'
				);
			}

			if ( is_multisite() ) {
				return $this->format_error(
					'installRequirement',
					'install_failed',
					'Please contact your administrator to activate this theme in the global network settings.'
				);
			}

			// current_user_can( 'switch_themes' )
			$theme_slug = $requirement['theme']['slug'];
			$theme      = wp_get_theme( $theme_slug );
			if ( ! $theme->exists() ) {
				// install !
				$install_status = $this->install_theme( $theme_slug );
				if ( ! $install_status['success'] ) {
					return $this->format_error(
						'installRequirement',
						'install_failed',
						'Theme install failed: ' . $install_status['errorMessage']
					);
				}
			}

			$theme = wp_get_theme( $theme_slug );
			if ( ! $theme->exists() || ! $theme->is_allowed() ) {
				return $this->format_error(
					'installRequirement',
					'install_failed',
					'Unable to activate this theme, please install manually.'
				);
			}

			switch_theme( $theme->get_stylesheet() );

			return $this->format_success(
				array(
					'success' => 'theme',
				)
			);
		}

		if ( ! empty( $requirement ) && ! empty( $requirement['requiredCss'] ) ) {

			// The front end has sent an API request to set some default CSS
			if ( ! current_user_can( 'manage_options' ) ) {
				return $this->format_error(
					'installRequirement',
					'install_failed',
					'Please contact your administrator to install Custom CSS correctly.'
				);
			}

			$template_kit_id = $requirement['requiredCss']['templateKitId'];
			$css_filename    = $requirement['requiredCss']['file'];

			try {
				Template_Kits::get_instance()->install_custom_css_into_customizer( $template_kit_id, $css_filename );
			} catch ( \Exception $e ) {

			}

			return $this->format_success(
				array(
					'success' => 'customCss',
				)
			);
		}

		return $this->format_error(
			'installRequirement',
			'generic_api_error',
			'Requirement installation failed'
		);
	}

	private function install_plugin( $plugin_details ) {

		require_once ABSPATH . 'wp-admin/includes/plugin.php';
		require_once ABSPATH . 'wp-admin/includes/file.php';
		require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
		include_once ABSPATH . 'wp-admin/includes/plugin-install.php';

		$all_plugins = get_plugins();

		$is_plugin_already_installed = false;
		foreach ( array_keys( $all_plugins ) as $plugin ) {
			if ( strpos( $plugin, $plugin_details['file'] ) !== false ) {
				$is_plugin_already_installed = true;
			}
		}

		if ( $is_plugin_already_installed ) {
			// just activate it:
			$activate_status = $this->activate_plugin( $plugin_details['file'] );

		} else {

			$status = array(
				'success' => false,
			);

			$api = plugins_api(
				'plugin_information',
				array(
					'slug'   => sanitize_key( wp_unslash( $plugin_details['slug'] ) ),
					'fields' => array(
						'sections' => false,
					),
				)
			);

			if ( is_wp_error( $api ) ) {
				$status['errorMessage'] = $api->get_error_message();

				return $status;
			}

			$status['pluginName'] = $api->name;

			$skin     = new \WP_Ajax_Upgrader_Skin();
			$upgrader = new \Plugin_Upgrader( $skin );
			$result   = $upgrader->install( $api->download_link );

			if ( is_wp_error( $result ) ) {
				$status['errorCode']    = $result->get_error_code();
				$status['errorMessage'] = $result->get_error_message();

				return $status;
			} elseif ( is_wp_error( $skin->result ) ) {
				$status['errorCode']    = $skin->result->get_error_code();
				$status['errorMessage'] = $skin->result->get_error_message();

				return $status;
			} elseif ( $skin->get_errors()->has_errors() ) {
				$status['errorMessage'] = $skin->get_error_messages();

				return $status;
			} elseif ( is_null( $result ) ) {
				global $wp_filesystem;

				$status['errorCode']    = 'unable_to_connect_to_filesystem';
				$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );

				// Pass through the error from WP_Filesystem if one was raised.
				if ( $wp_filesystem instanceof \WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
					$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
				}

				return $status;
			}

			$install_status = install_plugin_install_status( $api );

			$activate_status = $this->activate_plugin( $install_status['file'] );
		}

		if ( $activate_status && ! is_wp_error( $activate_status ) ) {
			$status['success'] = true;
		}

		return $status;
	}

	private function activate_plugin( $file ) {
		if ( current_user_can( 'activate_plugin', $file ) && is_plugin_inactive( $file ) ) {
			$result = activate_plugin( $file, false, false );
			if ( is_wp_error( $result ) ) {
				return $result;
			} else {
				return true;
			}
		}

		return false;
	}

	private function install_theme( $slug ) {
		$status = array(
			'success' => false,
		);

		if ( ! current_user_can( 'install_themes' ) ) {
			$status['errorMessage'] = __( 'Sorry, you are not allowed to install themes on this site.' );

			return $status;
		}

		require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
		include_once ABSPATH . 'wp-admin/includes/theme.php';
		require_once ABSPATH . 'wp-admin/includes/file.php';
		include_once ABSPATH . 'wp-admin/includes/theme-install.php';

		$api = themes_api(
			'theme_information',
			array(
				'slug'   => $slug,
				'fields' => array( 'sections' => false ),
			)
		);

		if ( is_wp_error( $api ) ) {
			$status['errorMessage'] = $api->get_error_message();

			return $status;
		}

		$skin     = new \WP_Ajax_Upgrader_Skin();
		$upgrader = new \Theme_Upgrader( $skin );
		$result   = $upgrader->install( $api->download_link );

		if ( is_wp_error( $result ) ) {
			$status['errorCode']    = $result->get_error_code();
			$status['errorMessage'] = $result->get_error_message();

			return $status;
		} elseif ( is_wp_error( $skin->result ) ) {
			$status['errorCode']    = $skin->result->get_error_code();
			$status['errorMessage'] = $skin->result->get_error_message();

			return $status;
		} elseif ( $skin->get_errors()->has_errors() ) {
			$status['errorMessage'] = $skin->get_error_messages();

			return $status;
		} elseif ( is_null( $result ) ) {
			global $wp_filesystem;

			$status['errorCode']    = 'unable_to_connect_to_filesystem';
			$status['errorMessage'] = __( 'Unable to connect to the filesystem. Please confirm your credentials.' );

			// Pass through the error from WP_Filesystem if one was raised.
			if ( $wp_filesystem instanceof \WP_Filesystem_Base && is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
				$status['errorMessage'] = esc_html( $wp_filesystem->errors->get_error_message() );
			}

			return $status;
		}

		$status['themeName'] = wp_get_theme( $slug )->get( 'Name' );

		$status['success'] = true;

		return $status;
	}

	public function register_api_endpoints() {
		$this->register_endpoint( 'installRequirement', array( $this, 'install_requirement' ) );
	}
}