#!/usr/bin/env node
import fs from "node:fs";

const BASE = process.env.QB_ARGS_BASE || process.argv[2] || "https://graceful-tiger-715.convex.site";

let pkg;
try { pkg = JSON.parse(fs.readFileSync("package.json", "utf8")); }
catch { console.log("CHECK_UPDATES_NO_PACKAGE_JSON — run this from the app directory (where package.json lives)."); process.exit(2); }
const deps = { ...(pkg.dependencies || {}), ...(pkg.devDependencies || {}) };

let reg;
try { reg = await (await fetch(BASE + "/components.json")).json(); }
catch (e) { console.log("CHECK_UPDATES_REGISTRY_UNREACHABLE " + (e && e.message || e)); process.exit(3); }

// Extract the installed ref from a value like
//   "https://pkg.pr.new/@convex-dev/auth@ed481f5"  -> "ed481f5"
//   "1.2.3" / "^1.2.3"                              -> "1.2.3"
const refOf = (v) => {
  const s = String(v);
  const m = s.match(/@([a-f0-9]{7,40})(?:$|[/?#])/) || s.match(/(\d+\.\d+\.\d+[\w.-]*)/);
  return m ? m[1] : s;
};

const stale = [];
for (const [name, entry] of Object.entries(reg.components || {})) {
  if (!(name in deps)) continue;
  const installed = refOf(deps[name]);
  if (installed === entry.current) continue;
  const rel =
    (entry.releases || []).find((r) => r.from === installed || installed.startsWith(r.from) || r.from.startsWith(installed)) ||
    (entry.releases || [])[0];
  if (!rel || rel.to === installed) continue;
  stale.push({ name, installed, current: entry.current, ref: entry.ref, peers: entry.peers || {}, breaking: rel.breaking, summary: rel.summary, migration: rel.migration });
}

if (!stale.length) { console.log("COMPONENTS_UP_TO_DATE"); process.exit(0); }
console.log("COMPONENTS_STALE=" + stale.length);
console.log(JSON.stringify(stale, null, 2));