// lib/bio.js — live Wikipedia "Who he is" cache.
//   refreshBio() pulls the article intro from the Wikipedia API and upserts the
//     `bio` doc; getBio() reads it (falling back to the static blurb).
// Runs against a scratch Mongo. Needs network (Wikipedia) for refreshBio.
//   RUN: MONGODB_URI=mongodb://127.0.0.1:27099/bama node tests/bio-test.mjs
import { MongoClient } from "mongodb";

// bio.js -> db.js reads BAMA_DB_NAME at module load, so set it BEFORE the
// dynamic import of ../lib/bio.js. Use a dedicated scratch db for this test.
process.env.BAMA_DB_NAME = process.env.BAMA_DB_NAME || "bama_bio_test";
const uri = process.env.MONGODB_URI || "mongodb://127.0.0.1:27099/bama";
const mc = new MongoClient(uri, { serverSelectionTimeoutMS: 8000 });
await mc.connect();
const db = mc.db(process.env.BAMA_DB_NAME);
await db.collection("bio").deleteMany({});

let fails = 0;
const check = (name, cond, detail = "") => {
  console.log(`  ${cond ? "ok  " : "FAIL"} ${name}${detail ? "  — " + detail : ""}`);
  if (!cond) fails++;
};

// 1. getBio before any refresh -> static fallback, still has a link
const { getBio, refreshBio } = await import("../lib/bio.js");
let bio = await getBio();
check("getBio falls back to text when cache empty", bio.ok === true && typeof bio.text === "string" && bio.text.length > 40, JSON.stringify(bio.text).slice(0, 60));
check("fallback still carries the Wikipedia link", /wikipedia\.org\/wiki\/Bam_Aquino/.test(bio.url || ""), bio.url);
check("fallback source flagged", bio.source === "fallback", bio.source);

// 2. refreshBio pulls the live article (needs network)
console.log("refreshing from Wikipedia...");
try {
  const r = await refreshBio();
  check("refreshBio ok", r.ok === true);
  check("refreshed text mentions the senator", /Aquino/i.test(r.text || ""), JSON.stringify(r.text).slice(0, 70));
  // now getBio should serve the cached live copy
  bio = await getBio();
  check("getBio now serves cached live copy", bio.source === "Wikipedia", bio.source);
  check("cached copy has updated date", bio.updatedAt instanceof Date || typeof bio.updatedAt === "object", String(bio.updatedAt));
} catch (e) {
  // No network (e.g. offline CI) -> refresh throws; getBio must still fall back.
  console.log("  (network refresh failed: " + (e && e.message) + " — verifying graceful fallback)");
  bio = await getBio();
  check("offline: getBio still returns the fallback blurb", bio.ok === true && bio.source === "fallback", bio.source);
}

await db.collection("bio").deleteMany({});
await mc.close();
console.log(fails ? `\n${fails} FAILED` : "\nall passed");
process.exit(fails ? 1 : 0);