<?php
/**
 * The7 dev tools class.
 *
 * @package The7
 */

namespace The7\Mods\Dev_Mode;

defined( 'ABSPATH' ) || exit;

/**
 * Tools class.
 */
class Tools {

	/**
	 * Form post action handler.
	 */
	public static function use_tool() {
		if ( ! check_ajax_referer( 'the7-dev-tools', false, false ) ) {
			return;
		}

		if ( ! current_user_can( 'switch_themes' ) ) {
			return;
		}

		if ( empty( $_POST['tool'] ) ) {
			return;
		}

		$tool = $_POST['tool'];
		if ( is_callable( __CLASS__ . "::tool_$tool" ) ) {
			call_user_func( __CLASS__ . "::tool_$tool" );
		}

		$referer = wp_get_referer();
		if ( $referer ) {
			wp_safe_redirect( esc_url( $referer ) );
		} else {
			wp_safe_redirect( admin_url( 'admin.php?page=the7-dev' ) );
		}
		exit();
	}

	/**
	 * Regenerate shortcodes css.
	 */
	public static function tool_regenerate_shortcodes_css() {
		include_once PRESSCORE_MODS_DIR . '/theme-update/the7-update-utility-functions.php';
		the7_mass_regenerate_short_codes_inline_css();
		self::set_message( '<p>Shortcodes css was regenerated.</p>' );
	}

	/**
	 * Test download speed from repo.the7.io.
	 */
	public static function tool_download_speed_test() {
		$start         = time();
		$response      = wp_safe_remote_get(
			'https://repo.the7.io/download-test/10MB.zip',
			array(
				'timeout'    => 300,
				'decompress' => false,
			)
		);
		$download_time = time() - $start;
		if ( is_wp_error( $response ) ) {
			$message  = '<p>There was an error while downloading:</p>';
			$message .= '<pre>';
			ob_start();
			var_dump( $response );
			$message .= ob_get_clean() . '</pre>';
		} else {
			$message = '<p>10MB of test data was downloaded for ' . $download_time . ' seconds.</p>';
		}
		self::set_message( $message );
	}

	/**
	 * Restore theme options from a backup.
	 */
	public static function tool_restore_theme_options_from_backup() {
		if ( ! isset( $_POST['theme_options_backup'] ) ) {
			self::set_message( '<p>There is no backup selected.</p>' );
			return;
		}

		$record_name = $_POST['theme_options_backup'];

		unset( $_POST['_wp_http_referer'] );
		if ( \The7_Options_Backup::restore( $record_name ) ) {
			$message = '<p>Theme options successfully restored from backup <code>' . esc_html( $record_name ) . '</code>.</p>';
		} else {
			$message = '<p>Selected backup is not valid, please search for <code>%' . esc_html( $record_name ) . '%</code> option in DB.</p>';
		}

		self::set_message( $message );
	}

	/**
	 * Delete all theme options backups.
	 */
	public static function tool_delete_all_theme_options_backups() {
		$count = \The7_Options_Backup::delete_all_records();
		self::set_message( "<p>Successfully deleted $count backups.</p>" );
	}

	/**
	 * @return void
	 */
	public static function tool_delete_post_type_builder_data() {
		if ( class_exists( '\The7_Core\Mods\Post_Type_Builder\Models\Post_Types' ) ) {
			\The7_Core\Mods\Post_Type_Builder\Models\Post_Types::save( [] );
		}

		if ( class_exists( '\The7_Core\Mods\Post_Type_Builder\Models\Taxonomies' ) ) {
			\The7_Core\Mods\Post_Type_Builder\Models\Taxonomies::save( [] );
		}

		self::set_message( '<p>Post Type Builder data was deleted.</p>' );
	}

	/**
	 * @return void
	 */
	public static function tool_delete_orphaned_terms() {
		$taxonomies = array_merge( get_taxonomies( [ 'public' => true ] ), get_taxonomies( [ 'public' => false ] ) );
		$terms      = get_terms( [ 'hide_empty' => false ] );

		$count = 0;
		foreach ( $terms as $term ) {
			if ( ! array_key_exists( $term->taxonomy, $taxonomies ) ) {
				$result = wp_delete_term( $term->term_id, $term->taxonomy );

				if ( is_wp_error( $result ) ) {
					self::set_message( '<p>Error: ' . $result->get_error_message() . '</p>' );
					return;
				}

				if ( $result ) {
					$count++;
				}
			}
		}

		self::set_message( '<p>' . $count . ' terms was deleted</p>' );
	}

	/**
	 * Run theme migration.
	 */
	public static function tool_run_migration() {
		$migration_version = isset( $_POST['migration'] ) ? $_POST['migration'] : null;
		$migrations        = \The7_Install::get_update_callbacks();

		if ( ! array_key_exists( $migration_version, $migrations ) ) {
			self::set_message( '<p>Error. Wrong migration.</p>' );
			return;
		}

		if ( \The7_Install::db_is_updating() ) {
			self::set_message( '<p>DB is updating. Please, wait untill it is done.</p>' );
			return;
		}

		$migrations_to_run = $migrations[ $migration_version ];

		// Bump DB version if needed.
		if ( version_compare( $migration_version, \The7_Install::get_db_version(), '>' ) ) {
			$migrations_to_run[] = 'bump_db_version_to_' . $migration_version;
		}

		$migrations_to_run[] = 'presscore_refresh_dynamic_css';
		$migrations_to_run[] = 'the7_elementor_flush_css_cache';

		\The7_Install::register_update_callbacks( $migrations_to_run );
		\The7_Install::updater_dispatch();

		the7_admin_notices()->reset( 'the7_updated' );
		the7_admin_notices()->add( 'the7_updating', array( \The7_Install::class, 'render_updating_notice' ), 'the7-dashboard-notice' );
	}

	/**
	 * Store message to be published on the7 tools admin page.
	 *
	 * @param string $message Message text.
	 */
	protected static function set_message( $message ) {
		set_transient( 'the7-dev-tools-message', $message, 60 );
	}
}