/**
 * Pure script utilities — no Node.js dependencies.
 * Safe to import from browser bundles and Vite SSR.
 */

/**
 * Parse CLI args in --key value format.
 * Supports: --key value, --key=value, --flag (boolean true)
 */
export function parseArgs(args: string[]): Record<string, string> {
  const result: Record<string, string> = {};
  for (let i = 0; i < args.length; i++) {
    const arg = args[i];
    if (!arg.startsWith("--")) continue;

    const eqIndex = arg.indexOf("=");
    if (eqIndex !== -1) {
      const key = arg.slice(2, eqIndex);
      result[key] = arg.slice(eqIndex + 1);
    } else {
      const key = arg.slice(2);
      const next = args[i + 1];
      if (next !== undefined && !next.startsWith("--")) {
        result[key] = next;
        i++;
      } else {
        result[key] = "true";
      }
    }
  }
  return result;
}

/**
 * Convert kebab-case keys to camelCase.
 */
export function camelCaseArgs(
  args: Record<string, string>,
): Record<string, string> {
  const result: Record<string, string> = {};
  for (const [key, value] of Object.entries(args)) {
    const camel = key.replace(/-([a-z])/g, (_, c) => c.toUpperCase());
    result[camel] = value;
  }
  return result;
}