/**
 * @file resolvePath.ts — resolves a path a chat reply names against the pane's
 * folder: an absolute one (POSIX, `~`-less, or `C:\…`) is kept, a relative one
 * (`server/lib/x.js`, `./a`, `../b`) is joined to `cwd` with `.`/`..` folded,
 * so the preview and the Changes panel see the same absolute path the agent meant.
 * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
 */

/** `path` as an absolute path; relative ones resolve against `cwd`. */
export function resolveIn(cwd: string, path: string): string {
  if (/^(?:\/|[A-Za-z]:[\\/]|\\\\)/.test(path) || !cwd) return path;
  const parts = cwd.replace(/[\\/]+$/, "").split(/[\\/]/);
  for (const seg of path.split(/[\\/]/)) {
    if (seg === "" || seg === ".") continue;
    if (seg === "..") {
      if (parts.length > 1) parts.pop();
    } else parts.push(seg);
  }
  return parts.join("/") || "/";
}