// Shared CLI helpers: colors, validation reporting, dry-run printing, and
// pulling auth out of flags/env.

export const C = {
  dim: (s) => `\x1b[2m${s}\x1b[0m`,
  bold: (s) => `\x1b[1m${s}\x1b[0m`,
  cyan: (s) => `\x1b[36m${s}\x1b[0m`,
  green: (s) => `\x1b[32m${s}\x1b[0m`,
  yellow: (s) => `\x1b[33m${s}\x1b[0m`,
  red: (s) => `\x1b[31m${s}\x1b[0m`,
};

// Print errors/warnings for one record. Returns true if it has blocking errors.
export function report(label, { errors, warnings }) {
  if (errors.length) {
    console.error(`\n${C.red("✗")} ${C.bold(label)} — ${errors.length} error(s):`);
    for (const e of errors) console.error(`    ${C.red("•")} ${e}`);
  }
  if (warnings.length) {
    console.error(`\n${C.yellow("!")} ${C.bold(label)} — ${warnings.length} warning(s):`);
    for (const w of warnings) console.error(`    ${C.yellow("•")} ${w}`);
  }
  if (!errors.length && !warnings.length) console.error(`${C.green("✓")} ${label} — looks good`);
  return errors.length > 0;
}

// Show exactly what a write would do, without doing it.
export function printDryRun({ pds, did, collection, record }) {
  console.log(`\n${C.dim("# dry-run — no record written")}`);
  console.log(`${C.bold("POST")} ${pds || "<your-pds>"}/xrpc/com.atproto.repo.createRecord`);
  console.log(C.dim(`# as repo: ${did || "<your-did>"}  collection: ${collection}`));
  console.log(JSON.stringify({ repo: did || "<your-did>", collection, record }, null, 2));
}

// identifier/password from flags first, then env. (PDS_IDENTIFIER / PDS_APP_PASSWORD)
export function authFromArgs(a) {
  return {
    identifier: a.identifier || process.env.PDS_IDENTIFIER || process.env.PDS_HANDLE,
    password: a.password || process.env.PDS_APP_PASSWORD,
    pds: a.pds || process.env.PDS_URL,
  };
}