import { readArchiveSince } from "./davis.js";

// ── Ausgabe ────────────────────────────────────────────────────────────────

function formatRecord(r) {
    const ts  = r.time.toLocaleString("de-DE", { hour12: false });
    const tmp = r.tempOut  !== null ? `${r.tempOut}°C`    : "n/a";
    const hum = r.humOut   !== null ? `${r.humOut}%`      : "n/a";
    const wnd = r.windAvg  !== null ? `${r.windAvg} km/h` : "n/a";
    const dir = r.windDir  !== null ? `${r.windDir}°` : "n/a";
    const pre = r.pressure !== null ? `${r.pressure} hPa` : "n/a";
    const rai = r.rain > 0          ? ` Regen: ${r.rain}mm` : "";
    return `${ts}  Außen: ${tmp}  Feuchte: ${hum}  Wind: ${wnd} ${dir}  Druck: ${pre}${rai}`;
}

// ── CLI ────────────────────────────────────────────────────────────────────
// Aufruf: node archive.js [ISO-Datum]
// Beispiel: node archive.js 2026-04-01T00:00:00

let since = new Date(Date.now() - 24 * 60 * 60 * 1000);
if (process.argv[2]) {
    since = new Date(process.argv[2]);
    if (isNaN(since)) { console.error("Ungültiges Datum:", process.argv[2]); process.exit(1); }
}

console.error(`Lese Archiv ab ${since.toLocaleString("de-DE", { hour12: false })} ...`);

let lastPct = -1;
const records = await readArchiveSince(since, (cur, total) => {
    const pct = Math.floor(cur / total * 100);
    if (pct !== lastPct) { process.stderr.write(`\r${pct}% (Seite ${cur}/${total})`); lastPct = pct; }
});
process.stderr.write("\r\x1b[K");

console.error(`${records.length} Datensätze gefunden.`);
console.log();
for (const r of records) console.log(formatRecord(r));