// Saves the staged post files in content/blog through savePost, one at a time.
// Idempotent: unchanged posts are left alone, and a post edited in the
// database since its last seed is skipped unless --force.
//
//   pnpm blog:seed                 every file
//   pnpm blog:seed --only a,b      just those slugs
//   pnpm blog:seed --force         overwrite database edits
import { listPostFiles, readPostFile } from "@/lib/blog/files";
import { savePost } from "@/lib/blog/write";

const args = process.argv.slice(2);
const only = args.includes("--only")
  ? args[args.indexOf("--only") + 1]?.split(",")
  : null;
const force = args.includes("--force");

async function revalidate() {
  const url = process.env.BLOG_REVALIDATE_URL;
  const secret = process.env.BLOG_REVALIDATE_SECRET;
  if (!url || !secret) {
    console.log(
      "BLOG_REVALIDATE_URL or BLOG_REVALIDATE_SECRET not set: pages refresh on the next deploy",
    );
    return;
  }
  const res = await fetch(url, {
    method: "POST",
    headers: { Authorization: `Bearer ${secret}` },
  });
  console.log(`revalidate ${url}: ${res.status}`);
}

async function main() {
  const slugs = listPostFiles().filter((s) => !only || only.includes(s));
  if (only)
    for (const s of only)
      if (!slugs.includes(s)) throw new Error(`no file content/blog/${s}.md`);
  const counts: Record<string, number> = {};
  let failed = 0;
  for (const slug of slugs) {
    try {
      const result = await savePost(readPostFile(slug), { force });
      counts[result.outcome] = (counts[result.outcome] ?? 0) + 1;
      if (result.outcome !== "unchanged")
        console.log(`${result.outcome.padEnd(15)} ${slug}`);
    } catch (e) {
      failed += 1;
      console.error(
        `FAILED          ${slug}\n${e instanceof Error ? e.message : e}`,
      );
    }
  }
  console.log(
    `\n${slugs.length} files: ${Object.entries(counts)
      .map(([k, v]) => `${v} ${k}`)
      .join(", ")}${failed ? `, ${failed} failed` : ""}`,
  );
  if (Object.keys(counts).some((k) => k !== "unchanged")) await revalidate();
  if (failed) process.exit(1);
}

main().catch((e) => {
  console.error(e);
  process.exit(1);
});