#!/usr/bin/env node
/**
 * @agent-manifest
 * name:        approve
 * title:       Draft Approver
 * class:       plumbing
 * trigger:     manual <slug> [--force]
 * description: Approve a draft: SEO gate, then promote it into the blog, build, go live. No LLM.
 * model:       -
 * prompt:      -
 * skills:      -
 * tools:       lib/publish.mjs
 * reads:       -
 * writes:      -
 * created:     2026-07-04
 * @end
 */
// Manually approve a draft: SEO gate, then promote it into the blog, build, go live.
// Usage: node agents/scripts/approve.mjs <slug> [--force]
import { existsSync } from "node:fs";
import { dirname, resolve, join } from "node:path";
import { fileURLToPath } from "node:url";
import { loadJson } from "./lib/util.mjs";
import { promoteDraft } from "./lib/publish.mjs";
import { runSeoReview } from "./seo-review.mjs";

const HERE = dirname(fileURLToPath(import.meta.url));
const PIPELINE = resolve(HERE, "..");
const cfg = loadJson(join(PIPELINE, "config.json"));
const root = cfg.paths.projectRoot;

const args = process.argv.slice(2);
const force = args.includes("--force");
const slug = args.find((a) => !a.startsWith("--"));
if (!slug) {
  console.error("Usage: approve.mjs <slug> [--force]");
  process.exit(1);
}

const draftDir = join(root, cfg.paths.draftsDir, slug);
if (!existsSync(join(draftDir, "index.mdx"))) {
  console.error(`[approve] no draft at ${join(draftDir, "index.mdx")}`);
  process.exit(1);
}

// SEO Specialist gate.
if (cfg.seo?.blockApproveOnFail && !force) {
  const auditPath = join(draftDir, "seo-review.json");
  let audit = existsSync(auditPath) ? loadJson(auditPath) : null;
  if (!audit) {
    console.log("[approve] no SEO audit found — running the SEO Specialist now…");
    audit = await runSeoReview(slug, { published: false });
  }
  if (!audit) {
    console.error("[approve] could not obtain an SEO audit. Re-run, or use --force to override.");
    process.exit(1);
  }
  const minScore = cfg.seo.minScore ?? 85;
  if (audit.verdict === "fail" || (audit.overall ?? 0) < minScore) {
    console.error(
      `[approve] BLOCKED by SEO gate: ${audit.verdict} · ${audit.overall}/${minScore} min.\n` +
        (audit.blocking?.length ? "  blocking:\n   - " + audit.blocking.join("\n   - ") + "\n" : "") +
        `  Review ${auditPath}, revise the draft, then re-approve (or use --force to override).`
    );
    process.exit(1);
  }
  console.log(`[approve] SEO gate passed: ${audit.verdict} · ${audit.overall}`);
}

try {
  console.log("[approve] publishing…");
  const { url, taxonomyAdded } = await promoteDraft(cfg, slug);
  if (taxonomyAdded.length) console.log(`[approve] registered in blog-data.js: ${taxonomyAdded.join(", ")}`);
  console.log(`[approve] LIVE → ${url}`);
} catch (e) {
  console.error(`[approve] ${e.message}`);
  process.exit(1);
}