// lib/serverConfig.ts
// Parse AC server config to get available cars

import { promises as fs } from 'fs';

const SERVER_CONFIG_PATH = '/mnt/combined/servers/acserver_EVENTS/utils/cfg/server_cfg.ini';

export async function getAvailableCars(): Promise<string[]> {
  try {
    const content = await fs.readFile(SERVER_CONFIG_PATH, 'utf-8');
    
    // Find the CARS= line
    const carsLine = content
      .split('\n')
      .find(line => line.trim().startsWith('CARS='));
    
    if (!carsLine) {
      console.error('CARS line not found in server config');
      return [];
    }
    
    // Extract cars list after "CARS="
    const carsString = carsLine.split('CARS=')[1].trim();
    
    // Split by semicolon and remove duplicates
    const cars = carsString
      .split(';')
      .map(car => car.trim())
      .filter(car => car.length > 0);
    
    // Remove duplicates using Set
    const uniqueCars = Array.from(new Set(cars));
    
    return uniqueCars.sort();
  } catch (error) {
    console.error('Error reading server config:', error);
    return [];
  }
}

// Format car name for display (optional - makes it prettier)
export function formatCarName(carId: string): string {
  return carId
    .replace(/_/g, ' ')
    .replace(/\b\w/g, char => char.toUpperCase());
}