#!/usr/bin/env node
// Reader for the miner log intake (site/api/log.mjs). Runs on the Mac.
//   node tools/logs.mjs            list runs: label, machine, run_id, last received, total bytes
//   node tools/logs.mjs <run_id>   print the latest upload for that run
//   node tools/logs.mjs <run_id> --all   print every upload for that run, oldest first
// Reads DATABASE_URL from ~/.config/igneum/env. No dependencies: Neon HTTP SQL over fetch.
import { readFileSync } from 'node:fs';
import { homedir } from 'node:os';

process.stdout.on('error', e => { if (e.code === 'EPIPE') process.exit(0); throw e; });

const env = readFileSync(`${homedir()}/.config/igneum/env`, 'utf8');
const m = /^DATABASE_URL=(.*)$/m.exec(env);
if (!m) { console.error('DATABASE_URL not found in ~/.config/igneum/env'); process.exit(1); }
const url = m[1].trim().replace(/^['"]|['"]$/g, '');
const host = new URL(url).hostname.replace('-pooler', '');

async function sql(query, params = []) {
  const r = await fetch(`https://${host}/sql`, {
    method: 'POST',
    headers: { 'Neon-Connection-String': url, 'Content-Type': 'application/json' },
    body: JSON.stringify({ query, params }),
  });
  const j = await r.json();
  if (!r.ok) throw new Error(j.message || JSON.stringify(j));
  return j.rows;
}

const [runId, flag] = process.argv.slice(2);

if (!runId) {
  const rows = await sql(`
    SELECT run_id, max(label) AS label, max(machine) AS machine, count(*)::int AS uploads,
           max(received_at) AS last_received, sum(bytes)::bigint AS total_bytes
    FROM miner_logs GROUP BY run_id ORDER BY max(received_at) DESC LIMIT 100`);
  if (!rows.length) { console.log('No runs yet.'); process.exit(0); }
  const fmt = rows.map(r => ({
    run_id: r.run_id, label: r.label, machine: r.machine, uploads: r.uploads,
    last_received: new Date(r.last_received).toISOString().replace('T', ' ').slice(0, 19) + ' UTC',
    total_bytes: Number(r.total_bytes),
  }));
  console.table(fmt);
  process.exit(0);
}

const rows = flag === '--all'
  ? await sql('SELECT id, received_at, label, machine, bytes, lines FROM miner_logs WHERE run_id = $1 ORDER BY received_at ASC', [runId])
  : await sql('SELECT id, received_at, label, machine, bytes, lines FROM miner_logs WHERE run_id = $1 ORDER BY received_at DESC LIMIT 1', [runId]);
if (!rows.length) { console.error(`No uploads for run_id ${runId}`); process.exit(1); }
for (const r of rows) {
  console.log(`===== id ${r.id} | ${r.label} | ${r.machine} | ${new Date(r.received_at).toISOString()} | ${r.bytes} bytes =====`);
  process.stdout.write(r.lines.endsWith('\n') ? r.lines : r.lines + '\n');
}