// Gravity-to-Forth renderer.
// Takes a repo topology (from AHMAD-BOT S-expression output)
// and renders it as Forth source — the ancient meta-repo format.
// The output IS the inverted documentation. Executable. Sovereign.

export function renderRepoAsForth(repoName, clusters, gravity, gaps) {
  const lines = [];

  lines.push(`\\ INVERTED META-REPO — ${repoName}`);
  lines.push(`\\ Generated by AHMAD-BOT + Forth renderer`);
  lines.push(`\\ Gravity: ${gravity} | Gaps: ${gaps.length}`);
  lines.push(`\\ This file IS the repository's architectural truth.`);
  lines.push(`\\ Feed it to the Forth machine. It will reason about the repo.`);
  lines.push('');
  lines.push('( ── CONSTANTS ── )');
  lines.push(`variable repo-gravity`);
  lines.push(`${gravity} repo-gravity !`);
  lines.push('');

  lines.push('( ── CLUSTER WORDS ── )');
  for (const cluster of clusters) {
    const safeName = cluster.id.replace(/[^a-z0-9-]/gi, '-').toLowerCase();
    lines.push(`\\ cluster: ${cluster.id} | gravity: ${cluster.gravity} | status: ${cluster.status}`);
    lines.push(`: ${safeName} ( -- )`);
    lines.push(`  ${cluster.gravity} gravity`);

    if (cluster.status === 'alive') {
      lines.push(`  alive? IF`);
      lines.push(`    ." ${cluster.id} [alive] gravity=${cluster.gravity} " cr`);
      lines.push(`  THEN`);
    } else if (cluster.status === 'broken') {
      lines.push(`  broken? IF`);
      lines.push(`    ." ${cluster.id} [broken] needs repair " cr`);
      lines.push(`    "${cluster.id}" repair`);
      lines.push(`  THEN`);
    } else {
      lines.push(`  orphan? IF`);
      lines.push(`    ." ${cluster.id} [orphan] — grave marker " cr`);
      lines.push(`    "${cluster.id}" flag`);
      lines.push(`  THEN`);
    }
    lines.push(`;`);
    lines.push('');
  }

  lines.push('( ── GAP WORDS ── )');
  for (const gap of gaps) {
    const safeName = `gap-${gap.type}-${gap.path.replace(/[^a-z0-9]/gi, '-').toLowerCase()}`.slice(0, 40);
    lines.push(`: ${safeName} ( -- )`);
    lines.push(`  ." GAP [${gap.type}] @ ${gap.path} " cr`);
    lines.push(`  ." FIX: ${gap.fix} " cr`);
    if (['missing_wire', 'dead_page'].includes(gap.type)) {
      lines.push(`  "${gap.path}" flag`);
    } else {
      lines.push(`  "${gap.path}" repair`);
    }
    lines.push(`;`);
    lines.push('');
  }

  lines.push('( ── INVERSION SEQUENCE ── )');
  lines.push(`: run-inversion ( -- )`);
  lines.push(`  ." === INVERTING ${repoName} ===" cr`);
  lines.push(`  repo-gravity @`);
  lines.push(`  dup 0.6 > IF`);
  lines.push(`    ." repo is alive — inverting to sovereign format " cr`);
  lines.push(`    "${repoName}" invert-repo`);
  lines.push(`  ELSE`);
  lines.push(`    dup 0.3 > IF`);
  lines.push(`      ." repo is broken — repair before inversion " cr`);
  lines.push(`    ELSE`);
  lines.push(`      ." repo is orphan — grave marker set " cr`);
  lines.push(`    THEN`);
  lines.push(`  THEN`);
  lines.push(`  drop`);

  // Call all cluster words
  for (const cluster of clusters) {
    const safeName = cluster.id.replace(/[^a-z0-9-]/gi, '-').toLowerCase();
    lines.push(`  ${safeName}`);
  }

  // Call all gap words
  for (const gap of gaps) {
    const safeName = `gap-${gap.type}-${gap.path.replace(/[^a-z0-9]/gi, '-').toLowerCase()}`.slice(0, 40);
    lines.push(`  ${safeName}`);
  }

  lines.push(`  "${repoName}" seal`);
  lines.push(`;`);
  lines.push('');
  lines.push('( ── ENTRY POINT ── )');
  lines.push('run-inversion');

  return lines.join('\n');
}

// Render a full org crawl as a multi-repo Forth suite
export function renderOrgAsForth(org, repos) {
  const sections = [];

  sections.push(`\\ GRAVEYARD MAP — ${org}`);
  sections.push(`\\ ${repos.length} repos | rendered by AHMAD-BOT + Forth renderer`);
  sections.push(`\\ The graveyard in Forth. Every repo is a word.`);
  sections.push('');

  for (const repo of repos) {
    const name = repo.name.replace(/[^a-z0-9-]/gi, '-').toLowerCase();
    sections.push(`\\ ── ${repo.name} (gravity: ${repo.gravity}, status: ${repo.status}) ──`);
    sections.push(`: crawl-${name} ( -- )`);
    sections.push(`  ${repo.gravity} gravity`);
    sections.push(`  dup alive? IF`);
    sections.push(`    ." ${repo.name} alive " cr`);
    sections.push(`  ELSE dup broken? IF`);
    sections.push(`    ." ${repo.name} broken " cr`);
    sections.push(`    "${repo.name}" repair`);
    sections.push(`  ELSE`);
    sections.push(`    ." ${repo.name} orphan " cr`);
    sections.push(`    "${repo.name}" flag`);
    sections.push(`  THEN THEN`);
    sections.push(`  drop`);
    sections.push(`;`);
    sections.push('');
  }

  // Master crawl word
  sections.push(`: crawl-graveyard ( -- )`);
  sections.push(`  ." === ${org} GRAVEYARD CRAWL ===" cr`);
  for (const repo of repos) {
    const name = repo.name.replace(/[^a-z0-9-]/gi, '-').toLowerCase();
    sections.push(`  crawl-${name}`);
  }
  sections.push(`  ." === CRAWL COMPLETE ===" cr`);
  sections.push(`;`);
  sections.push('');
  sections.push('crawl-graveyard');

  return sections.join('\n');
}