<?php
 if ( ! class_exists( 'WP_Importer_Logger_CLI' ) ) {

	class WP_Importer_Logger_CLI extends WP_Importer_Logger {
		public $min_level = 'warning';

		/**
		 * Logs with an arbitrary level.
		 *
		 * @param mixed $level
		 * @param string $message
		 * @param array $context
		 * @return null
		 */
		public function log( $level, $message, array $context = array() ) {
			if ( $this->level_to_numeric( $level ) < $this->level_to_numeric( $this->min_level ) ) {
				return;
			}

			printf(
				'[%s] %s' . PHP_EOL,
				strtoupper( $level ),
				$message
			);
		}

		public static function level_to_numeric( $level ) {
			$levels = array(
				'emergency' => 8,
				'alert'     => 7,
				'critical'  => 6,
				'error'     => 5,
				'warning'   => 4,
				'notice'    => 3,
				'info'      => 2,
				'debug'     => 1,
			);
			if ( ! isset( $levels[ $level ] ) ) {
				return 0;
			}

			return $levels[ $level ];
		}
	}
}