<?php
declare(strict_types=1);
namespace Butschster\ContextGenerator\Application\Logger;
use Psr\Log\AbstractLogger;
use Psr\Log\LogLevel as PsrLogLevel;
use Symfony\Component\Console\Output\OutputInterface;
/**
* PSR-3 compatible console logger that outputs to a Symfony Console OutputInterface.
* Respects the verbosity levels of the Console component.
*/
final class ConsoleLogger extends AbstractLogger implements HasPrefixLoggerInterface
{
public function __construct(
private readonly OutputInterface $output,
private readonly FormatterInterface $formatter = new SimpleFormatter(),
) {}
public function withPrefix(string $prefix): static
{
return new self($this->output, $this->formatter->withPrefix($prefix));
}
public function getPrefix(): string
{
return $this->formatter->getPrefix();
}
public function log($level, string|\Stringable $message, array $context = []): void
{
$logLevel = $this->normalizeLogLevel($level);
// Only output if verbosity of the output is sufficient for this log level
if (!$this->isLevelEnabled($logLevel)) {
return;
}
$formattedMessage = $this->formatter->format($logLevel, $message, $context);
// Apply color formatting based on log level
$colorizedMessage = $this->colorize($formattedMessage, $logLevel);
$this->output->writeln($colorizedMessage);
}
/**
* Check if the log level is enabled for the current output verbosity.
*/
private function isLevelEnabled(string $level): bool
{
$verbosity = $this->output->getVerbosity();
return match ($level) {
PsrLogLevel::EMERGENCY,
PsrLogLevel::ALERT,
PsrLogLevel::CRITICAL,
PsrLogLevel::ERROR => true, // Always show errors
PsrLogLevel::WARNING,
PsrLogLevel::NOTICE => $verbosity >= OutputInterface::VERBOSITY_NORMAL,
PsrLogLevel::INFO => $verbosity >= OutputInterface::VERBOSITY_VERY_VERBOSE,
PsrLogLevel::DEBUG => $verbosity >= OutputInterface::VERBOSITY_DEBUG,
default => false,
};
}
/**
* Apply color formatting based on log level.
*/
private function colorize(string $message, string $level): string
{
$color = LogLevel::fromString($level)->getAnsiColor();
if (empty($color)) {
return $message;
}
return "{$color}{$message}\033[0m";
}
/**
* Convert any valid log level to a normalized string.
*/
private function normalizeLogLevel(mixed $level): string
{
if (\is_string($level)) {
return \strtolower($level);
}
if ($level instanceof \Stringable) {
return \strtolower((string) $level);
}
// Default to 'info' for invalid levels
return PsrLogLevel::INFO;
}
}
