<?php

class Logger
{
    private $logFile;
    
    public function __construct($filePath = 'telegram_bot.log')
    {
        $logDir = '/var/www/html/engine/classes/logs';
        $this->logFile = $logDir . '/telegram_bot.log';
        
        // Create the directory if it does not exist
        if (!is_dir($logDir)) {
            mkdir($logDir, 0777, true);
        }

        if (file_put_contents($this->logFile, "") === false) {
            return ("Unable to open or write to log file: " . error_get_last()['message']);
        }
    }

    public function log($message, $level = 'INFO')
    {
        if (is_array($message))
        {
            $message = implode(', ', $message);
        }
        
        $timestamp = date('Y-m-d H:i:s');
        $formattedMessage = "[{$timestamp}] [{$level}] {$message}" . PHP_EOL;

        if (file_put_contents($this->logFile, $formattedMessage, FILE_APPEND) === false)
        {
            return ("Unable to write to log file: " . error_get_last()['message']);
        }
    }

    public function info($message)
    {
        $this->log($message, 'INFO');
    }

    public function warning($message)
    {
        $this->log($message, 'WARNING');
    }

    public function error($message)
    {
        $this->log($message, 'ERROR');
    }
}