<?php
/**
 * WP-CLI commands.
 *
 * @package Spinix_Image_Optimization
 */

defined( 'ABSPATH' ) || exit;

/**
 * Optimize images with Spinix from the command line.
 */
class Spinix_Image_Optimization_CLI {

	/**
	 * Optimize images.
	 *
	 * ## OPTIONS
	 *
	 * [<id>...]
	 * : Attachment IDs. Leave empty to optimize all pending images.
	 *
	 * [--force]
	 * : Re-optimize already optimized images.
	 *
	 * ## EXAMPLES
	 *
	 *     wp spinix-images optimize
	 *     wp spinix-images optimize 12 15 --force
	 *
	 * @param array $args  Args.
	 * @param array $assoc Assoc args.
	 */
	public function optimize( $args, $assoc ) {
		$force = ! empty( $assoc['force'] );
		if ( $args ) {
			foreach ( $args as $id ) {
				$r = Spinix_Image_Optimization_Optimizer::optimize( (int) $id, $force );
				WP_CLI::log( sprintf( '#%d %s: %s', $id, $r['status'], $r['message'] ) );
			}
			return;
		}
		$count = 0;
		$ids   = Spinix_Image_Optimization_Bulk::pending_ids( 20 );
		while ( $ids ) {
			foreach ( $ids as $id ) {
				$r = Spinix_Image_Optimization_Optimizer::optimize( $id, $force );
				Spinix_Image_Optimization_Bulk::log( array( $r ) );
				WP_CLI::log( sprintf( '#%d %s: %s', $id, $r['status'], $r['message'] ) );
				++$count;
			}
			$ids = Spinix_Image_Optimization_Bulk::pending_ids( 20 );
		}
		if ( 'running' === Spinix_Image_Optimization_Bulk::state() ) {
			Spinix_Image_Optimization_Bulk::complete();
		}
		WP_CLI::success( sprintf( '%d images processed.', $count ) );
	}

	/**
	 * Show library stats.
	 *
	 * [--format=<format>]
	 * : table or json. Default table.
	 *
	 * @param array $args  Args.
	 * @param array $assoc Assoc args.
	 */
	public function status( $args, $assoc ) {
		$s = Spinix_Image_Optimization_Stats::get();
		if ( isset( $assoc['format'] ) && 'json' === $assoc['format'] ) {
			WP_CLI::line( wp_json_encode( $s ) );
			return;
		}
		$rows = array();
		foreach ( $s as $k => $v ) {
			$rows[] = array(
				'key'   => $k,
				'value' => $v,
			);
		}
		WP_CLI\Utils\format_items( 'table', $rows, array( 'key', 'value' ) );
	}

	/**
	 * Delete all Spinix files and data. Originals are not touched.
	 *
	 * [--yes]
	 * : Skip confirmation.
	 *
	 * @param array $args  Args.
	 * @param array $assoc Assoc args.
	 */
	public function reset( $args, $assoc ) {
		WP_CLI::confirm( 'Delete all Spinix WebP files and data?', $assoc );
		foreach ( array( Spinix_Image_Optimization_Optimizer::META_STATUS, Spinix_Image_Optimization_Optimizer::META_DATA, Spinix_Image_Optimization_Optimizer::META_BEFORE, Spinix_Image_Optimization_Optimizer::META_AFTER, Spinix_Image_Optimization_Optimizer::META_ERROR ) as $key ) {
			delete_metadata( 'post', 0, $key, '', true );
		}
		Spinix_Image_Optimization_Storage::delete_all();
		update_option( Spinix_Image_Optimization_Bulk::STATE_OPTION, 'idle', false );
		Spinix_Image_Optimization_Bulk::timing_clear();
		WP_CLI::success( 'Spinix data removed.' );
	}
}

WP_CLI::add_command( 'spinix-images', 'Spinix_Image_Optimization_CLI' );