import {
  artUrlsFromMergedId,
  isLiveChannelThumb,
  isReplayOrHighlightTitle,
  isZiggoSportChannel,
  needsZiggoArtEnrichment,
  normalizeTitleTokens,
  pickBestZiggoMatch,
  segmentKeysForRange,
  seriesAnchorTokens,
  stripLiveThumbs,
  titleOverlapScore,
  timesOverlap,
  type ZiggoEpgEvent,
} from "./ziggo-epg-art";

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

assert(isLiveChannelThumb("https://zst1-akm-cdn-triple.akamaized.net/live/zs1/thumb.jpg?scale=640x360"), "akamai live");
assert(isLiveChannelThumb("https://staticqbr-prod-nl.gnp.cloud.ziggogo.tv/image-service/latest/NL_000094_019321"), "latest");
assert(!isLiveChannelThumb("https://staticqbr-prod-nl.gnp.cloud.ziggogo.tv/image-service/ImagesEPG/EventImages/p24692584_bd_h8_aa.jpg"), "gracenote ok");

assert(isZiggoSportChannel("Ziggo Sport 1"), "zs1");
assert(isZiggoSportChannel("Ziggo Sport"), "zs");
assert(!isZiggoSportChannel("ESPN"), "espn");
assert(isReplayOrHighlightTitle("Moto3 BWIN Grand Prix of Austria (samenvatting)"), "samenvatting");

assert(
  !needsZiggoArtEnrichment({
    name: "ATP 250: Chengdu Open",
    channel: "Ziggo Sport 1",
    imageLandscape: "https://zst1-akm-cdn-triple.akamaized.net/live/zs1/thumb.jpg?scale=640",
    images: [],
  }),
  "keep FAAB live thumb for normal events"
);
assert(
  needsZiggoArtEnrichment({
    name: "Moto3 BWIN Grand Prix of Austria (samenvatting)",
    channel: "Ziggo Sport 1",
    imageLandscape: "https://zst1-akm-cdn-triple.akamaized.net/live/zs1/thumb.jpg?scale=640",
    images: [],
  }),
  "enrich highlight live thumb"
);
assert(
  needsZiggoArtEnrichment({
    name: "ATP 250",
    channel: "Ziggo Sport 1",
    imageLandscape: "https://go.ziggosporttotaal.nl/assets/channels/light/ziggo_sport_1.png",
    images: [],
  }),
  "enrich logo-only"
);

const arts = artUrlsFromMergedId("24692584|nl");
assert(arts?.landscape.includes("p24692584_bd_h8_aa.jpg"), "landscape url");
assert(arts?.portrait.includes("p24692584_b_v12_aa.jpg"), "portrait url");

assert(titleOverlapScore("GT World Challenge: Nederland Race 2", "GT World Challenge Hoogtepunten Nederland: Race 2") >= 0.5, "overlap");
assert(normalizeTitleTokens("Ziggo Sport: GT World Challenge").has("gtworld"), "gtworld alias");
assert(normalizeTitleTokens("Grand Prix of Austria").has("oostenrijk"), "austria→oostenrijk");
assert(seriesAnchorTokens("Moto3 BWIN Grand Prix of Austria").has("moto3"), "anchor moto3");

const start = Date.parse("2026-09-20T23:00:00Z");
const end = Date.parse("2026-09-21T00:00:00Z");
assert(timesOverlap(start, end, 1789945200, 1789948800), "time overlap");

const candidates: ZiggoEpgEvent[] = [
  {
    id: "a",
    channelId: "NL_000094_019321",
    title: "GT World Challenge Hoogtepunten",
    seriesName: "Nederland: Race 2",
    startTime: 1789945200,
    endTime: 1789948800,
    mergedId: "24692584|nl",
  },
  {
    id: "b",
    channelId: "NL_000094_019321",
    title: "Voetbalavond",
    startTime: 1789945200,
    endTime: 1789948800,
    mergedId: "1|nl",
  },
];
const hit = pickBestZiggoMatch(candidates, {
  title: "GT World Challenge: Nederland Race 2 (hoogtepunten)",
  startMs: start,
  endMs: end,
});
assert(hit?.id === "a", "pick GT not football");

// Moto3 samenvatting days later than live session — must still resolve via loose match
const motoCands: ZiggoEpgEvent[] = [
  {
    id: "m3",
    channelId: "NL_000094_019321",
    title: "Moto3",
    seriesName: "GP van Oostenrijk: Kwalificatie 2",
    startTime: 1789815900,
    endTime: 1789817700,
    mergedId: "15289756|nl",
  },
  {
    id: "foot",
    channelId: "NL_000094_019321",
    title: "Eredivisie samenvatting",
    seriesName: "Ajax - PSV",
    startTime: 1789972200,
    endTime: 1789974000,
    mergedId: "999|nl",
  },
];
const motoHit = pickBestZiggoMatch(motoCands, {
  title: "Moto3 BWIN Grand Prix of Austria (samenvatting)",
  startMs: Date.parse("2026-09-21T06:30:00Z"),
  endMs: Date.parse("2026-09-21T07:00:00Z"),
});
assert(motoHit?.id === "m3", `moto3 loose match got ${motoHit?.id}`);
assert(motoHit?.mergedId === "15289756|nl", "moto3 mergedId");

const stripped = stripLiveThumbs(
  {
    id: "x",
    name: "Moto3",
    channel: "Ziggo Sport 1",
    network: "Ziggo Sport 1",
    start: "2026-09-21T06:30:00Z",
    stop: "2026-09-21T07:00:00Z",
    imageLandscape: "https://zst1-akm-cdn-triple.akamaized.net/live/zs1/thumb.jpg?scale=640",
    imageBackdrop: null,
    imagePortrait: null,
    logoUrl: null,
    images: [
      "https://go.ziggosporttotaal.nl/assets/channels/light/ziggo_sport_1.png",
      "https://zst1-akm-cdn-triple.akamaized.net/live/zs1/thumb.jpg?scale=640",
    ],
  },
  "https://go.ziggosporttotaal.nl/assets/channels/light/ziggo_sport_1.png"
);
assert(!isLiveChannelThumb(stripped.imageLandscape), "stripped landscape");
assert(!(stripped.images ?? []).some(isLiveChannelThumb), "no live thumbs left");

const keys = segmentKeysForRange(start, end);
assert(keys.length >= 1, "segment keys");
assert(keys.every((k) => /^\d{14}$/.test(k)), "key format");

console.log("ziggo-epg-art tests ok");