// Standalone fixture for the search-results-virtualization spec. Lives in
// its own channel so it can co-exist with the standard `data.ts` fixture
// without changing the route surface other specs depend on.

export const CHANNEL = "Bulk Channel";
export const CHANNEL_SLUG = "bulk-channel";

export const VIDEO_COUNT = 120;
// One video carries a large number of hits so we can verify the inner-list
// (hits within a single card) is also virtualized — it lives at the
// front of the result list so its rows are guaranteed to be on-screen.
// 350 + 119 = 469 hits total, well under the DEFAULT_MAX_HITS=500 cap so
// the pipeline doesn't mark the result `capped`.
export const DENSE_VIDEO_INDEX = 0;
export const DENSE_HIT_COUNT = 350;

type Cue = { start: number; end: number; text: string };

function videoId(i: number): string {
  return `bulk-vid-${String(i).padStart(4, "0")}`;
}

export function slug(i: number): string {
  return `${CHANNEL_SLUG}/${videoId(i)}`;
}

function makeSummary(i: number) {
  return {
    slug: slug(i),
    id: videoId(i),
    channelSlug: CHANNEL_SLUG,
    title: `Bulk video #${i}`,
    uploadDate: "20260101",
    date: "2026-01-01",
    duration: "5:00",
    channel: CHANNEL,
    isLivestream: false,
    ageRestricted: false,
    isDeleted: false,
    isUnlisted: false,
    platform: "rumble" as const,
    webpageUrl: `https://example.com/${videoId(i)}`,
  };
}

function cuesFor(i: number): Cue[] {
  if (i === DENSE_VIDEO_INDEX) {
    const out: Cue[] = [];
    for (let k = 0; k < DENSE_HIT_COUNT; k++) {
      const t = 1 + k * 2;
      out.push({ start: t, end: t + 2, text: `alpha hit ${k} in dense video` });
    }
    return out;
  }
  // Other videos: a single matching line so each shows up as one hit.
  return [{ start: 5, end: 9, text: `alpha line for video ${i}` }];
}

export function summaries() {
  const out = [];
  for (let i = 0; i < VIDEO_COUNT; i++) out.push(makeSummary(i));
  return out;
}

export function summariesManifest() {
  return {
    version: 2,
    totalCount: VIDEO_COUNT,
    pageSize: VIDEO_COUNT,
    pageCount: 1,
    generatedAt: new Date().toISOString(),
    channels: [{ name: CHANNEL, count: VIDEO_COUNT }],
  };
}

export function transcriptPage() {
  return summaries().map((s, i) => ({
    ...s,
    duration: 300,
    description: "",
    cues: cuesFor(i),
  }));
}

export function channelTranscriptsManifest() {
  const slugToPage: Record<string, number> = {};
  for (let i = 0; i < VIDEO_COUNT; i++) slugToPage[videoId(i)] = 0;
  return {
    version: 1,
    channelSlug: CHANNEL_SLUG,
    pageCount: 1,
    maxPageBytes: 8388608,
    generatedAt: new Date().toISOString(),
    slugToPage,
  };
}

export function subsManifest() {
  return {
    version: 3,
    channels: [],
    totalCount: 0,
    liveChatTotalCount: 0,
    generatedAt: new Date().toISOString(),
  };
}