class ConsoleLogger

class ConsoleLogger extends AbstractLogger {
    public const INFO = 'info';
    public const ERROR = 'error';
    private array $verbosityLevelMap = [
        LogLevel::EMERGENCY => OutputInterface::VERBOSITY_NORMAL,
        LogLevel::ALERT => OutputInterface::VERBOSITY_NORMAL,
        LogLevel::CRITICAL => OutputInterface::VERBOSITY_NORMAL,
        LogLevel::ERROR => OutputInterface::VERBOSITY_NORMAL,
        LogLevel::WARNING => OutputInterface::VERBOSITY_NORMAL,
        LogLevel::NOTICE => OutputInterface::VERBOSITY_VERBOSE,
        LogLevel::INFO => OutputInterface::VERBOSITY_VERY_VERBOSE,
        LogLevel::DEBUG => OutputInterface::VERBOSITY_DEBUG,
    ];
    private array $formatLevelMap = [
        LogLevel::EMERGENCY => self::ERROR,
        LogLevel::ALERT => self::ERROR,
        LogLevel::CRITICAL => self::ERROR,
        LogLevel::ERROR => self::ERROR,
        LogLevel::WARNING => self::INFO,
        LogLevel::NOTICE => self::INFO,
        LogLevel::INFO => self::INFO,
        LogLevel::DEBUG => self::INFO,
    ];
    private bool $errored = false;
    public function __construct(OutputInterface $output, array $verbosityLevelMap = [], array $formatLevelMap = []) {
        $this->verbosityLevelMap = $verbosityLevelMap + $this->verbosityLevelMap;
        $this->formatLevelMap = $formatLevelMap + $this->formatLevelMap;
    }
    public function log($level, $message, array $context = []) : void {
        if (!isset($this->verbosityLevelMap[$level])) {
            throw new InvalidArgumentException(\sprintf('The log level "%s" does not exist.', $level));
        }
        $output = $this->output;
        // Write to the error output if necessary and available
        if (self::ERROR === $this->formatLevelMap[$level]) {
            if ($this->output instanceof ConsoleOutputInterface) {
                $output = $output->getErrorOutput();
            }
            $this->errored = true;
        }
        // the if condition check isn't necessary -- it's the same one that $output will do internally anyway.
        // We only do it for efficiency here as the message formatting is relatively expensive.
        if ($output->getVerbosity() >= $this->verbosityLevelMap[$level]) {
            $output->writeln(\sprintf('<%1$s>[%2$s] %3$s</%1$s>', $this->formatLevelMap[$level], $level, $this->interpolate($message, $context)), $this->verbosityLevelMap[$level]);
        }
    }
    
    /**
     * Returns true when any messages have been logged at error levels.
     */
    public function hasErrored() : bool {
        return $this->errored;
    }
    
    /**
     * Interpolates context values into the message placeholders.
     *
     * @author PHP Framework Interoperability Group
     */
    private function interpolate(string $message, array $context) : string {
        if (!str_contains($message, '{')) {
            return $message;
        }
        $replacements = [];
        foreach ($context as $key => $val) {
            if (null === $val || \is_scalar($val) || $val instanceof \Stringable) {
                $replacements["{{$key}}"] = $val;
            }
            elseif ($val instanceof \DateTimeInterface) {
                $replacements["{{$key}}"] = $val->format(\DateTimeInterface::RFC3339);
            }
            elseif (\is_object($val)) {
                $replacements["{{$key}}"] = '[object ' . $val::class . ']';
            }
            else {
                $replacements["{{$key}}"] = '[' . \gettype($val) . ']';
            }
        }
        return strtr($message, $replacements);
    }

}