jax_error'      => esc_html__( 'Something went wrong with the request. Please reload the page and try again.', 'wp-smushit' ),
			'all_done'                => esc_html__( 'All Done!', 'wp-smushit' ),
			'sync_stats'              => esc_html__( 'Give us a moment while we sync the stats.', 'wp-smushit' ),
			// Progress bar text.
			'progress_smushed'        => esc_html__( 'images optimized', 'wp-smushit' ),
			'bulk_resume'             => esc_html__( 'Resume scan', 'wp-smushit' ),
			'bulk_stop'               => esc_html__( 'Stop current bulk smush process.', 'wp-smushit' ),
			// Errors.
			'error_ignore'            => esc_html__( 'Ignore this image from bulk smushing', 'wp-smushit' ),
			// Ignore text.
			'ignored'                 => esc_html__( 'Ignored', 'wp-smushit' ),
			'not_processed'           => esc_html__( 'Not processed', 'wp-smushit' ),
			// Notices.
			'noticeDismiss'           => esc_html__( 'Dismiss', 'wp-smushit' ),
			'noticeDismissTooltip'    => esc_html__( 'Dismiss notice', 'wp-smushit' ),
			'tutorialsRemoved'        => sprintf( /* translators: %1$s - opening a tag, %2$s - closing a tag */
				esc_html__( 'The widget has been removed. Smush tutorials can still be found in the %1$sTutorials tab%2$s any time.', 'wp-smushit' ),
				'<a href=' . esc_url( menu_page_url( 'smush-tutorials', false ) ) . '>',
				'</a>'
			),
			'smush_cdn_activation_notice'  => WP_Smush::is_pro() && ! $this->mod->cdn->is_active() ?
				sprintf(
					/* translators: %1$s - opening a tag, %2$s - closing a tag */
					esc_html__( 'Activate Smush CDN to bulk smush and serve animated GIF’s via 114 worldwide locations. %1$sActivate CDN%2$s', 'wp-smushit' ),
					'<a href="'. esc_url( network_admin_url( 'admin.php?page=smush-cdn' ) ) .'" />',
					'</a>'
				) :
				''
			,
			// URLs.
			'smush_url'               => network_admin_url( 'admin.php?page=smush' ),
			'bulk_smush_url'          => network_admin_url( 'admin.php?page=smush-bulk' ),
			'directory_url'           => network_admin_url( 'admin.php?page=smush-directory' ),
			'localWebpURL'            => network_admin_url( 'admin.php?page=smush-webp' ),
			'edit_link'               => Helper::get_image_media_link( '{{id}}', null, true ),
			'debug_mode'              => defined( 'WP_DEBUG' ) && WP_DEBUG,
			'cancel'                  => esc_html__( 'Cancel', 'wp-smushit' ),
			'cancelling'              => esc_html__( 'Cancelling ...', 'wp-smushit' ),
			'recheck_images_link'     => Helper::get_recheck_images_link(),
		);

		wp_localize_script( $handle, 'wp_smush_msgs', $wp_smush_msgs );

		$product_analytics = WP_Smush::get_instance()->core()->mod->product_analytics;
		wp_localize_script(
			$handle,
			'wp_smush_mixpanel',
			array(
				'opt_in'           => Settings::get_instance()->get( 'usage' ),
				'token'            => $product_analytics->get_token(),
				'unique_id'        => $product_analytics->get_unique_id(),
				'super_properties' => $product_analytics->get_super_properties(),
			)
		);

		if ( 'toplevel_page_smush' === $current_screen->id ) {
			$slug = 'dashboard';
		} else {
			$slug = explode( 'page_smush-', $current_screen->id );
			$slug = isset( $slug[1] ) ? $slug[1] : false;
		}

		// Load the stats on selected screens only.
		if ( $slug && isset( WP_Smush::get_instance()->admin()->pages[ $slug ] ) && method_exists( WP_Smush::get_instance()->admin()->pages[ $slug ], 'dashboard_summary_meta_box' ) ) {
			// Get resmush list, If we have a resmush list already, localize those IDs.
			$resmush_ids = $this->get_resmush_ids();
			if ( $resmush_ids ) {
				// Get the attachments, and get lossless count.
				$this->resmush_ids = $resmush_ids;
			}

			// Get attachments if all the images are not smushed.
			$this->unsmushed_attachments = $this->remaining_count > 0 ? $this->get_unsmushed_attachments() : array();
			$this->unsmushed_attachments = ! empty( $this->unsmushed_attachments ) && is_array( $this->unsmushed_attachments ) ? array_values( $this->unsmushed_attachments ) : $this->unsmushed_attachments;

			$data = $this->get_global_stats();
		} else {
			$data = array(
				'count_supersmushed' => '',
				'count_smushed'      => '',
				'count_total'        => '',
				'count_images'       => '',
				'unsmushed'          => '',
				'resmush'            => '',
				'savings_bytes'      => '',
				'savings_resize'     => '',
				'savings_conversion' => '',
				'savings_supersmush' => '',
				'savings_percent'    => '',
				'percent_grade'      => '',
				'percent_metric'     => '',
				'percent_optimized'  => '',
			);
		}

		// Check if scanner class is available.
		$scanner_ready = isset( $this->mod->dir->scanner );

		$data['dir_smush'] = array(
			'currentScanStep' => $scanner_ready ? $this->mod->dir->scanner->get_current_scan_step() : 0,
			'totalSteps'      => $scanner_ready ? $this->mod->dir->scanner->get_scan_steps() : 0,
		);

		$data['resize_sizes'] = $this->get_max_image_dimensions();

		// Convert it into ms.
		$data['timeout'] = WP_SMUSH_TIMEOUT * 1000;

		wp_localize_script( $handle, 'wp_smushit_data', apply_filters( 'wp_smush_script_data', $data ) );
	}

	/**
	 * Check bulk sent count, whether to allow further smushing or not
	 *
	 * @param bool   $reset  To hard reset the transient.
	 * @param string $key    Transient Key - bulk_sent_count/dir_sent_count.
	 * 
	 * TODO: remove this (and all related code) because the limit has been lifted in 3.12.0
	 *
	 * @return bool
	 */
	public static function check_bulk_limit( $reset = false, $key = 'bulk_sent_count' ) {
		$is_pre_3_12_6_site = get_site_option( 'wp_smush_pre_3_12_6_site' );
		if ( $is_pre_3_12_6_site ) {
			return true;
		}
		
		$transient_name = 'wp-smush-' . $key;

		// If we JUST need to reset the transient.
		if ( $reset ) {
			set_transient( $transient_name, 0, 60 );
			return false;
		}

		$bulk_sent_count = (int) get_transient( $transient_name );

		// Check if bulk smush limit is less than limit.
		if ( ! $bulk_sent_count || $bulk_sent_count < self::MAX_FREE_BULK ) {
			$continue = true;
		} elseif ( $bulk_sent_count === self::MAX_FREE_BULK ) {
			// If user has reached the limit, reset the transient.
			$continue = false;
			$reset    = true;
		} else {
			$continue = false;
		}

		// If we need to reset the transient.
		if ( $reset ) {
			set_transient( $transient_name, 0, 60 );
		}

		return $continue;
	}

	/**
	 * Get registered image sizes with dimension
	 *
	 * @return array
	 */
	public function image_dimensions() {
		return Helper::get_image_sizes();
	}

	/**
	 * Get the Maximum Width and Height settings for WrodPress
	 *
	 * @return array, Array of Max. Width and Height for image.
	 */
	public function get_max_image_dimensions() {
		global $_wp_additional_image_sizes;

		$width  = 0;
		$height = 0;
		$limit  = 9999; // Post-thumbnail.

		$image_sizes = get_intermediate_image_sizes();

		// If image sizes are filtered and no image size list is returned.
		if ( empty( $image_sizes ) ) {
			return array(
				'width'  => $width,
				'height' => $height,
			);
		}

		// Create the full array with sizes and crop info.
		foreach ( $image_sizes as $size ) {
			if ( in_array( $size, array( 'thumbnail', 'medium', 'medium_large', 'large' ), true ) ) {
				$size_width  = get_option( "{$size}_size_w" );
				$size_height = get_option( "{$size}_size_h" );
			} elseif ( isset( $_wp_additional_image_sizes[ $size ] ) ) {
				$size_width  = $_wp_additional_image_sizes[ $size ]['width'];
				$size_height = $_wp_additional_image_sizes[ $size ]['height'];
			}

			// Skip if no width and height.
			if ( ! isset( $size_width, $size_height ) ) {
				continue;
			}

			// If within te limit, check for a max value.
			if ( $size_width <= $limit ) {
				$width = max( $width, $size_width );
			}

			if ( $size_height <= $limit ) {
				$height = max( $height, $size_height );
			}
		}

		return array(
			'width'  => $width,
			'height' => $height,
		);
	}

	/**
	 * Update the image smushed count in transient
	 *
	 * @param string $key  Database key.
	 */
	public static function update_smush_count( $key = 'bulk_sent_count' ) {
		$transient_name = 'wp-smush-' . $key;

		$bulk_sent_count = get_transient( $transient_name );

		// If bulk sent count is not set.
		if ( false === $bulk_sent_count ) {
			// Start transient at 0.
			set_transient( $transient_name, 1, 200 );
		} elseif ( $bulk_sent_count < self::MAX_FREE_BULK ) {
			// If lte MAX_FREE_BULK images are sent, increment.
			set_transient( $transient_name, $bulk_sent_count + 1, 200 );
		}
	}

	/**
	 * Set the big image threshold.
	 *
	 * @param int $threshold The threshold value in pixels. Default 2560.
	 *
	 * @return int|bool  New threshold. False if scaling is disabled.
	 * @since 3.3.2
	 *
	 */
	public function big_image_size_threshold( $threshold ) {
		if ( Settings::get_instance()->get( 'no_scale' ) ) {
			return false;
		}

		if ( ! $this->mod->resize->is_active() ) {
			return $threshold;
		}

		$resize_sizes = Settings::get_instance()->get_setting( 'wp-smush-resize_sizes' );
		if ( ! $resize_sizes || ! is_array( $resize_sizes ) ) {
			return $threshold;
		}

		return $resize_sizes['width'] > $resize_sizes['height'] ? $resize_sizes['width'] : $resize_sizes['height'];
	}
}