<?php

use Monolog\Logger;
use Monolog\Handler\StreamHandler;
use Monolog\Handler\RotatingFileHandler;
use Monolog\Formatter\LineFormatter;

class AppLogger {
    private static $instance = null;
    private $logger;

    private function __construct() {
        $this->logger = new Logger('shubraveil');

        // Create logs directory if it doesn't exist
        if (!file_exists(__DIR__ . '/../logs')) {
            mkdir(__DIR__ . '/../logs', 0755, true);
        }

        // Add handlers
        $this->addFileHandler();
        if (getenv('DEBUG_MODE') === 'true') {
            $this->addDebugHandler();
        }
    }

    public static function getInstance() {
        if (self::$instance === null) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    private function addFileHandler() {
        $formatter = new LineFormatter(
            "[%datetime%] %channel%.%level_name%: %message% %context% %extra%\n",
            "Y-m-d H:i:s"
        );

        $handler = new RotatingFileHandler(
            __DIR__ . '/../logs/app.log',
            30, // Keep last 30 days of logs
            Logger::INFO
        );
        $handler->setFormatter($formatter);
        $this->logger->pushHandler($handler);
    }

    private function addDebugHandler() {
        $handler = new StreamHandler(
            __DIR__ . '/../logs/debug.log',
            Logger::DEBUG
        );
        $this->logger->pushHandler($handler);
    }

    public function info($message, array $context = []) {
        $this->logger->info($message, $context);
    }

    public function error($message, array $context = []) {
        $this->logger->error($message, $context);
    }

    public function debug($message, array $context = []) {
        $this->logger->debug($message, $context);
    }

    public function warning($message, array $context = []) {
        $this->logger->warning($message, $context);
    }
}