<?php
/**
 * WP-CLI commands: wp ctps <command>
 */

defined( 'ABSPATH' ) || exit;

if ( ! defined( 'WP_CLI' ) || ! WP_CLI ) {
	return;
}

/**
 * Manages Adaptive Speed from the command line.
 */
class CTPS_CLI {

	/**
	 * Shows the plugin status.
	 *
	 * ## EXAMPLES
	 *
	 *     wp ctps status
	 */
	public function status() {
		$last                           = get_option( CTPS_PSI::LAST, array() );
		$health                         = get_option( CTPS_Safety::HEALTH );
		$rum                            = CTPS_RUM::summary( 0 );
		$profile                        = CTPS_Settings::current_profile();
		list( $webp_done, $webp_total ) = CTPS_Webp::stats();
		$rows                           = array(
			array( 'item' => __( 'Version', 'celero-adaptive-speed' ), 'value' => CTPS_VERSION ),
			/* translators: %s: reason code (constant, file or emergency) */
			array( 'item' => __( 'Status', 'celero-adaptive-speed' ), 'value' => CTPS_Safety::is_disabled() ? sprintf( __( 'emergency mode (%s)', 'celero-adaptive-speed' ), CTPS_Safety::disabled_reason() ) : __( 'active', 'celero-adaptive-speed' ) ),
			array( 'item' => __( 'Profile', 'celero-adaptive-speed' ), 'value' => $profile ? CTPS_Settings::profiles()[ $profile ]['name'] : __( 'custom', 'celero-adaptive-speed' ) ),
			array( 'item' => __( 'Cached pages', 'celero-adaptive-speed' ), 'value' => CTPS_Page_Cache::count_files() ),
			array( 'item' => __( 'Preload queue', 'celero-adaptive-speed' ), 'value' => CTPS_Preload::remaining() ),
			/* translators: 1: converted images, 2: total images */
			array( 'item' => 'WebP', 'value' => sprintf( __( '%1$s of %2$s', 'celero-adaptive-speed' ), $webp_done, $webp_total ) ),
			array( 'item' => __( 'Mobile performance', 'celero-adaptive-speed' ), 'value' => isset( $last['mobile']['scores']['performance']['score'] ) ? $last['mobile']['scores']['performance']['score'] : '–' ),
			array( 'item' => __( 'Measured visits (28 days)', 'celero-adaptive-speed' ), 'value' => $rum['samples'] ),
			array( 'item' => __( 'Last site check', 'celero-adaptive-speed' ), 'value' => is_array( $health ) ? $health['status'] . ' (' . wp_date( 'j M H:i', $health['time'] ) . ')' : '–' ),
		);
		WP_CLI\Utils\format_items( 'table', $rows, array( 'item', 'value' ) );
	}

	/**
	 * Clears the cache.
	 *
	 * ## OPTIONS
	 *
	 * [--url=<url>]
	 * : Clear only this page.
	 *
	 * [--all]
	 * : Also delete local fonts and generated CSS.
	 *
	 * ## EXAMPLES
	 *
	 *     wp ctps purge
	 *     wp ctps purge --url=https://www.esempio.it/chi-siamo/
	 */
	public function purge( $args, $assoc ) {
		if ( ! empty( $assoc['url'] ) ) {
			CTPS_Page_Cache::purge_url( $assoc['url'] );
			do_action( 'ctps_urls_purged', array( $assoc['url'] ) );
			/* translators: %s: page URL */
			WP_CLI::success( sprintf( __( 'Cache cleared for %s', 'celero-adaptive-speed' ), $assoc['url'] ) );
			return;
		}
		CTPS_Page_Cache::purge_all();
		if ( ! empty( $assoc['all'] ) ) {
			CTPS_Assets::remove_all();
			do_action( 'ctps_purge_everything' ); // Also clears the Redis cache.
		}
		WP_CLI::success( __( 'Cache cleared.', 'celero-adaptive-speed' ) );
	}

	/**
	 * Rebuilds the cache of the main pages.
	 *
	 * ## OPTIONS
	 *
	 * [--now]
	 * : Visit all pages right away instead of using WP-Cron.
	 */
	public function preload( $args, $assoc ) {
		if ( empty( $assoc['now'] ) ) {
			CTPS_Preload::schedule();
			$remaining = CTPS_Preload::remaining();
			/* translators: %d: number of pages */
			WP_CLI::success( sprintf( _n( 'Preload scheduled: %d page.', 'Preload scheduled: %d pages.', $remaining, 'celero-adaptive-speed' ), $remaining ) );
			return;
		}
		$urls     = CTPS_Preload::urls();
		$progress = WP_CLI\Utils\make_progress_bar( 'Preload', count( $urls ) );
		foreach ( $urls as $url ) {
			wp_remote_get( $url, array( 'timeout' => 20, 'sslverify' => apply_filters( 'https_local_ssl_verify', false ), 'user-agent' => 'Adaptive Speed preload' ) ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- core WordPress filter.
			$progress->tick();
		}
		$progress->finish();
		/* translators: %d: number of pages */
		WP_CLI::success( sprintf( _n( '%d page visited.', '%d pages visited.', count( $urls ), 'celero-adaptive-speed' ), count( $urls ) ) );
	}

	/**
	 * Runs a PageSpeed Insights test.
	 *
	 * ## OPTIONS
	 *
	 * [--url=<url>]
	 * : Page to test (default: home page).
	 *
	 * [--strategy=<strategy>]
	 * : mobile or desktop.
	 * ---
	 * default: mobile
	 * options:
	 *   - mobile
	 *   - desktop
	 * ---
	 */
	public function test( $args, $assoc ) {
		$url = ! empty( $assoc['url'] ) ? $assoc['url'] : home_url( '/' );
		/* translators: %s: page URL */
		WP_CLI::log( sprintf( __( 'Running test on %s…', 'celero-adaptive-speed' ), $url ) );
		$r = CTPS_PSI::run( $url, $assoc['strategy'], true );
		if ( is_wp_error( $r ) ) {
			WP_CLI::error( $r->get_error_message() );
		}
		$rows = array();
		foreach ( $r['scores'] as $s ) {
			$rows[] = array( 'item' => $s['title'], 'value' => $s['score'] );
		}
		foreach ( $r['metrics'] as $m ) {
			$rows[] = array( 'item' => $m['short'], 'value' => $m['value'] );
		}
		WP_CLI\Utils\format_items( 'table', $rows, array( 'item', 'value' ) );
		foreach ( array_slice( $r['failed'], 0, 10 ) as $f ) {
			WP_CLI::log( '• ' . $f['title'] . ( $f['hint'] ? ' → ' . $f['hint'] : '' ) );
		}
	}

	/**
	 * Applies a profile.
	 *
	 * ## OPTIONS
	 *
	 * <profile>
	 * : safe, balanced or max.
	 */
	public function profile( $args ) {
		if ( ! CTPS_Settings::apply_profile( $args[0] ) ) {
			WP_CLI::error( __( 'Unknown profile. Use: safe, balanced, max.', 'celero-adaptive-speed' ) );
		}
		$health = get_option( CTPS_Safety::HEALTH );
		if ( is_array( $health ) && ! empty( $health['rolled_back'] ) && $health['time'] >= time() - 60 ) {
			/* translators: %s: error description */
			WP_CLI::warning( sprintf( __( 'The profile broke the site (%s): previous settings restored.', 'celero-adaptive-speed' ), $health['detail'] ) );
			return;
		}
		WP_CLI::success( __( 'Profile applied.', 'celero-adaptive-speed' ) );
	}

	/**
	 * Turns emergency mode on or off.
	 *
	 * ## OPTIONS
	 *
	 * <state>
	 * : on or off.
	 */
	public function emergency( $args ) {
		if ( 'on' === $args[0] ) {
			CTPS_Safety::enter_emergency();
			WP_CLI::success( __( 'Emergency mode on: no optimizations, .htaccess rules and cache removed.', 'celero-adaptive-speed' ) );
		} elseif ( 'off' === $args[0] ) {
			CTPS_Safety::exit_emergency();
			if ( CTPS_Safety::is_disabled() ) {
				WP_CLI::warning( __( 'The plugin stays disabled because of the wp-content/ctps-off file or the CTPS_DISABLE constant.', 'celero-adaptive-speed' ) );
				return;
			}
			WP_CLI::success( __( 'Optimizations re-enabled.', 'celero-adaptive-speed' ) );
		} else {
			WP_CLI::error( __( 'Usage: wp ctps emergency on|off', 'celero-adaptive-speed' ) );
		}
	}

	/**
	 * Converts library images to WebP (or removes the WebP copies).
	 *
	 * ## OPTIONS
	 *
	 * [--remove]
	 * : Delete the WebP copies created by the plugin.
	 */
	public function webp( $args, $assoc ) {
		if ( ! empty( $assoc['remove'] ) ) {
			$total = 0;
			do {
				$r      = CTPS_Webp::remove_batch();
				$total += $r['removed'];
			} while ( $r['processed'] > 0 && $r['left'] > 0 );
			CTPS_Page_Cache::purge_all();
			/* translators: %d: number of files */
			WP_CLI::success( sprintf( _n( '%d WebP file deleted.', '%d WebP files deleted.', $total, 'celero-adaptive-speed' ), $total ) );
			return;
		}
		if ( ! CTPS_Webp::supported() ) {
			WP_CLI::error( __( 'The server cannot create WebP images (requires GD or Imagick with WebP support).', 'celero-adaptive-speed' ) );
		}
		list( $done, $total ) = CTPS_Webp::stats();
		$progress             = WP_CLI\Utils\make_progress_bar( __( 'WebP conversion', 'celero-adaptive-speed' ), max( 0, $total - $done ) );
		$saved                = 0;
		do {
			$b      = CTPS_Webp::convert_batch();
			$saved += $b['saved'];
			for ( $i = 0; $i < $b['processed']; $i++ ) {
				$progress->tick();
			}
		} while ( $b['processed'] > 0 );
		$progress->finish();
		CTPS_Page_Cache::purge_all();
		/* translators: %s: saved size (e.g. 2 MB) */
		WP_CLI::success( sprintf( __( 'Conversion complete, %s saved.', 'celero-adaptive-speed' ), size_format( $saved ) ) );
	}

	/**
	 * Lists or restores settings snapshots.
	 *
	 * ## OPTIONS
	 *
	 * [<id>]
	 * : ID of the snapshot to restore. Without an ID, shows the list.
	 */
	public function snapshots( $args ) {
		if ( ! empty( $args[0] ) ) {
			if ( ! CTPS_Safety::restore( $args[0] ) ) {
				WP_CLI::error( __( 'Snapshot not found.', 'celero-adaptive-speed' ) );
			}
			WP_CLI::success( __( 'Settings restored.', 'celero-adaptive-speed' ) );
			return;
		}
		$rows = array();
		foreach ( array_reverse( CTPS_Safety::snapshots() ) as $s ) {
			$rows[] = array( 'id' => $s['id'], 'date' => wp_date( 'Y-m-d H:i', $s['time'] ), 'description' => $s['label'] );
		}
		WP_CLI\Utils\format_items( 'table', $rows, array( 'id', 'date', 'description' ) );
	}

	/**
	 * Sends the report by email.
	 *
	 * ## OPTIONS
	 *
	 * [--to=<email>]
	 * : Recipient (default: the ones in the settings).
	 */
	public function report( $args, $assoc ) {
		$to = ! empty( $assoc['to'] ) ? array( $assoc['to'] ) : CTPS_Report::recipients();
		if ( ! $to ) {
			WP_CLI::error( __( 'No recipients: use --to=email or fill in "Weekly email report" in the settings panel.', 'celero-adaptive-speed' ) );
		}
		/* translators: %s: comma-separated email addresses */
		CTPS_Report::send( $to ) ? WP_CLI::success( sprintf( __( 'Report sent to %s.', 'celero-adaptive-speed' ), implode( ', ', $to ) ) ) : WP_CLI::error( __( 'Sending failed.', 'celero-adaptive-speed' ) );
	}
}

WP_CLI::add_command( 'ctps', 'CTPS_CLI' );