export interface LspServerConfig {
  command: string;
  args: string[];
  rootPatterns: string[];
}

const TS_CONFIG: LspServerConfig = {
  command: 'typescript-language-server',
  args: ['--stdio'],
  rootPatterns: ['package.json', 'tsconfig.json'],
};

const SUPPORTED_EXTS = new Set(['ts', 'tsx', 'js', 'jsx', 'mjs', 'cjs']);

export function getServerConfig(filePath: string): LspServerConfig | null {
  const ext = filePath.split('.').pop()?.toLowerCase();
  if (ext && SUPPORTED_EXTS.has(ext)) return TS_CONFIG;
  return null;
}