import path from 'path';
import { fileURLToPath } from 'url';

const isProduction = process.env.NODE_ENV === 'production';

const findProjectRoot = (): string => {
  // In production (Docker), process.cwd() is /app (project root)
  if (isProduction) {
    return process.cwd();
  }

  if (import.meta.url) {
    const __filename = fileURLToPath(import.meta.url);
    const __dirname = path.dirname(__filename);
    const rootPath = path.resolve(__dirname, '../../..');
    return rootPath;
  }

  throw new Error(
    'import.meta.url is required in development to resolve project root'
  );
};

const projectRootPath = findProjectRoot();
console.log('[paths] Project root resolved:', projectRootPath);

const resolveFilePath = (...relativePath: string[]): string => {
  return path.join(projectRootPath, ...relativePath);
};

const envPath = resolveFilePath('.env');
const releaseNotesPath = resolveFilePath('content', 'ReleaseNotes.json');
const overviewPath = resolveFilePath('content', 'Overview.json');
const frontendPrefix = isProduction ? 'dist' : 'src';
const frontendPath = resolveFilePath(frontendPrefix, 'frontend');

const paths = {
  projectRoot: projectRootPath,
  envFile: envPath,
  releaseNotesFile: releaseNotesPath,
  overviewFile: overviewPath,
  frontendDir: frontendPath,
};

console.log('[paths] App paths resolved:', paths);

export { paths };
export default paths;