<?php
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * wp downup prepare <plugin>
 * wp downup prepare-theme <theme>
 *
 * Rewrites the given plugin's or theme's version header to a lower "-dev"
 * value so WordPress's normal update flow reports an update is available.
 */
class FUFD_CLI {

	public static function prepare( $args, $assoc_args ) {
		if ( empty( $args[0] ) ) {
			WP_CLI::error( 'Usage: wp downup prepare <plugin>' );
		}

		$plugin = $args[0];

		if ( false === strpos( $plugin, '/' ) ) {
			$plugin = self::resolve_basename_from_slug( $plugin );
		}

		if ( ! $plugin ) {
			WP_CLI::error( 'Could not resolve plugin basename.' );
		}

		if ( ! FUFD_Admin::is_enabled( $plugin ) ) {
			WP_CLI::error( "{$plugin} is disabled in DownUp settings." );
		}

		$result = FUFD_Version_Manager::prepare_fake_downgrade( $plugin );

		if ( is_wp_error( $result ) ) {
			WP_CLI::error( $result->get_error_message() );
		}

		WP_CLI::success( "Version header for {$plugin} rewritten. Run 'wp plugin update {$plugin}' or use the Plugins page to complete the update." );
	}

	public static function prepare_theme( $args, $assoc_args ) {
		if ( empty( $args[0] ) ) {
			WP_CLI::error( 'Usage: wp downup prepare-theme <theme>' );
		}

		$theme = $args[0];

		if ( ! FUFD_Admin::is_theme_enabled( $theme ) ) {
			WP_CLI::error( "{$theme} is disabled in DownUp settings." );
		}

		$result = FUFD_Theme_Version_Manager::prepare_fake_downgrade( $theme );

		if ( is_wp_error( $result ) ) {
			WP_CLI::error( $result->get_error_message() );
		}

		WP_CLI::success( "Version header for theme {$theme} rewritten. Run 'wp theme update {$theme}' or use the Appearance > Themes page to complete the update." );
	}

	private static function resolve_basename_from_slug( $slug ) {
		if ( ! function_exists( 'get_plugins' ) ) {
			require_once ABSPATH . 'wp-admin/includes/plugin.php';
		}

		foreach ( array_keys( get_plugins() ) as $file ) {
			if ( 0 === strpos( $file, $slug . '/' ) || $file === $slug . '.php' ) {
				return $file;
			}
		}

		return '';
	}
}

WP_CLI::add_command( 'downup prepare', array( 'FUFD_CLI', 'prepare' ) );
WP_CLI::add_command( 'downup prepare-theme', array( 'FUFD_CLI', 'prepare_theme' ) );