import { decodeEpgText, epgToIso, parseAmsterdamLocalMs, parseXmltvTimeMs } from "../iptv/xtream";
import { parseNowNextPrograms } from "./iptv-client";

function assert(cond: unknown, msg: string) {
  if (!cond) throw new Error(msg);
}

const startMs = parseXmltvTimeMs("20260905140000 +0200");
assert(startMs === Date.UTC(2026, 8, 5, 12, 0, 0), `offset parse got ${startMs}`);

const local = parseAmsterdamLocalMs("2026-09-05 14:00:00");
assert(local != null && Number.isFinite(local), "amsterdam local");

const iso = epgToIso(
  { title: "X", start: "2026-09-05 14:00:00", end: "2026-09-05 15:00:00" },
  "start"
);
assert(iso != null, "epgToIso naive");

assert(decodeEpgText(Buffer.from("Hallo").toString("base64")).includes("Hallo"), "b64");

const listed = parseNowNextPrograms([
  {
    title: Buffer.from("Nu live").toString("base64"),
    start: "2000-01-01 00:00:00",
    end: "2100-01-01 00:00:00",
    start_timestamp: Math.floor(Date.now() / 1000) - 60,
    stop_timestamp: Math.floor(Date.now() / 1000) + 3600,
  },
]);
assert(listed.now?.title === "Nu live", `now title=${listed.now?.title}`);

console.log("epg-parse tests ok");