<?php
/**
 * WP-CLI: wp 360-staging status|on|off|auto|hosts|allow <host>|mails
 *
 * Gleiche Regeln wie die Oberflaeche. Kein Befehl gibt den Text einer Mail
 * aus; Empfaengeradressen nur mit --with-recipients. Die Betreffzeilen stehen
 * in der Liste und koennen Namen oder Bestellnummern enthalten.
 */
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

class Wp360_Staging_Guard_Cli {

	/**
	 * Zeigt den Zustand und stellt den Schutz ein.
	 *
	 * ## OPTIONS
	 *
	 * [<action>]
	 * : status (Standard), on, off, auto, hosts, allow oder mails.
	 *
	 * [<host>]
	 * : Host fuer "allow", z. B. api.example.com oder *.cdn.example.net.
	 *
	 * [--with-recipients]
	 * : Bei "mails" auch die Empfaenger ausgeben.
	 *
	 * ## EXAMPLES
	 *
	 *     wp 360-staging status
	 *     wp 360-staging on
	 *     wp 360-staging allow api.example.com
	 *     wp 360-staging hosts
	 *     wp 360-staging mails
	 *
	 * @param string[]              $args       Positionsargumente.
	 * @param array<string, string> $assoc_args Optionen.
	 */
	public function __invoke( $args, $assoc_args ) {
		$action = isset( $args[0] ) ? $args[0] : 'status';

		switch ( $action ) {
			case 'status':
				$this->status();
				break;

			case 'on':
			case 'off':
			case 'auto':
				$settings         = Wp360_Staging_Guard_Settings::get();
				$settings['mode'] = $action;
				Wp360_Staging_Guard_Settings::save( $settings );
				WP_CLI::success( 'Mode set to "' . $action . '".' );
				$this->status();
				break;

			case 'hosts':
				$this->hosts();
				break;

			case 'allow':
				if ( empty( $args[1] ) ) {
					WP_CLI::error( 'Please give a host: wp 360-staging allow api.example.com' );
				}
				if ( ! Wp360_Staging_Guard_Admin_Page::apply_allow_host( $args[1] ) ) {
					WP_CLI::error( 'That is not a valid host name.' );
				}
				WP_CLI::success( 'Host added to the allow list.' );
				break;

			case 'mails':
				$this->mails( ! empty( $assoc_args['with-recipients'] ) );
				break;

			default:
				WP_CLI::error( 'Unknown action. Use status, on, off, auto, hosts, allow or mails.' );
		}
	}

	private function status() {
		$settings = Wp360_Staging_Guard_Settings::get();
		$state    = Wp360_Staging_Guard_Environment::state();
		$counts   = Wp360_Staging_Guard_Cron_Guard::counts();

		WP_CLI::line( 'Protection:    ' . ( $state['active'] ? 'active' : 'inactive' ) . ' (' . $state['reason'] . ')' );
		WP_CLI::line( 'Mode:          ' . $settings['mode'] );
		WP_CLI::line( 'Environment:   ' . $state['environment'] );
		WP_CLI::line( 'This address:  ' . home_url() );
		WP_CLI::line( 'Live address:  ' . ( '' !== $settings['live_url'] ? $settings['live_url'] : '-' ) );
		WP_CLI::line( 'Notice:        ' . ( $state['notice'] ? 'address differs from the live site, not protected' : 'none' ) );
		WP_CLI::line( 'Mails:         ' . $settings['mail_mode'] . ', ' . Wp360_Staging_Guard_Mail_Store::count() . ' caught' );
		WP_CLI::line( 'Cron:          ' . ( $settings['pause_cron'] ? 'paused' : 'running' ) . ', ' . $counts['due'] . ' due, ' . $counts['scheduled'] . ' scheduled' );
		WP_CLI::line( 'WordPress.org: ' . ( $settings['allow_wporg'] ? 'allowed' : 'blocked' ) );
		WP_CLI::line( 'noindex:       ' . ( $settings['noindex'] ? 'on' : 'off' ) );
		WP_CLI::line( 'Visitor lock:  ' . ( $settings['lock_visitors'] ? 'on' : 'off' ) );
		if ( Wp360_Staging_Guard_Plugin::is_disabled() ) {
			WP_CLI::warning( 'WP360_SG_DISABLE is set in wp-config.php: everything is switched off.' );
		}
	}

	private function hosts() {
		$settings = Wp360_Staging_Guard_Settings::get();
		$allowed  = '' === $settings['allowed_hosts'] ? array() : explode( "\n", $settings['allowed_hosts'] );

		WP_CLI::line( 'Allow list (' . count( $allowed ) . '):' );
		foreach ( $allowed as $host ) {
			WP_CLI::line( '  ' . $host );
		}

		$rows = Wp360_Staging_Guard_Http_Guard::log_rows();
		WP_CLI::line( 'Seen (' . count( $rows ) . '):' );
		foreach ( $rows as $row ) {
			WP_CLI::line( sprintf( '  %-40s blocked %d, allowed %d%s', $row['host'], $row['blocked'], $row['allowed'], $row['live'] ? ' [live site]' : '' ) );
		}
	}

	/**
	 * @param bool $with_recipients Auch die Empfaenger zeigen.
	 */
	private function mails( $with_recipients ) {
		$rows = Wp360_Staging_Guard_Mail_Store::recent( Wp360_Staging_Guard_Mail_Store::limit() );
		WP_CLI::line( count( $rows ) . ' caught emails:' );

		foreach ( $rows as $row ) {
			$line = sprintf( '  #%d  %s  %s', $row['id'], $row['created_at'], $row['subject'] );
			if ( $with_recipients ) {
				$emails = array();
				foreach ( $row['recipients'] as $recipient ) {
					if ( is_array( $recipient ) ) {
						$emails[] = (string) ( $recipient['email'] ?? '' );
					}
				}
				$line .= '  -> ' . implode( ', ', $emails );
			}
			WP_CLI::line( $line );
		}
	}
}