// Tests for attribution.mjs — the one definition of the burned-in header line.
//
// Three programs draw or promise this string (the renderer, the clip bench's
// preview, the manifest writer's validation), so it is worth pinning to the
// character.
//
// Run with: pnpm test:scripts
import assert from "node:assert/strict";
import test from "node:test";

import {
  attributionLine,
  channelName,
  cleanTitle,
  hms,
  imageAttributionLine,
  isCalendarDate,
  uploadDateToIso,
} from "./attribution.mjs";

test("hms: hours only when there are any", () => {
  assert.equal(hms(0), "0:00");
  assert.equal(hms(61), "1:01");
  assert.equal(hms(3599), "59:59");
  assert.equal(hms(3600), "1:00:00");
  assert.equal(hms(32989.9), "9:09:49");
});

test("attributionLine: a clip carries its channel and a clock", () => {
  assert.equal(
    attributionLine(
      { title: "Chillin'", date: "2022-08-31", cite: 7088 },
      { channel: "OmniBased" },
    ),
    "OmniBased · Chillin' · 2022-08-31 @ 1:58:08",
  );
  assert.equal(
    attributionLine(
      { start: 10 },
      { title: "Stream 🙂 !socials", uploadDate: "20250101", channel: "Destiny" },
    ),
    "Destiny · Stream · 2025-01-01 @ 0:10",
  );
});

test("attributionLine: channelTitle overrides the record", () => {
  assert.equal(
    attributionLine(
      { channelTitle: "Destiny", channel: "omnivods3", title: "Meet the Snarkers", date: "2026-03-13", cite: 43 },
      { channel: "OMNI VODS 3" },
    ),
    "Destiny · Meet the Snarkers · 2026-03-13 @ 0:43",
  );
});

test("attributionLine: with nothing naming the channel, the slug is on screen", () => {
  // Visibly a thing to fix. A silently empty head would just look like a design.
  assert.equal(
    attributionLine(
      { channel: "omnivods3", title: "Chillin'", date: "2022-08-31", cite: 0 },
      {},
      { channelSlug: "omnibased", channel: "OmniBased" },
    ),
    "omnivods3 · Chillin' · 2022-08-31 @ 0:00",
  );
});

test("channelName: the four answers, in order", () => {
  const prov = { channelSlug: "omnibased", channel: "OmniBased" };
  // 1. the per-clip override
  assert.equal(channelName({ channelTitle: "Destiny", channel: "x" }, { channel: "Y" }, prov), "Destiny");
  // 2. the cue record's own uploader name
  assert.equal(channelName({ channel: "destiny" }, { channel: "Destiny" }, prov), "Destiny");
  // 3. the sweep's display name, for the sweep's own channel
  assert.equal(channelName({ channel: "omnibased" }, {}, prov), "OmniBased");
  assert.equal(channelName({}, {}, prov), "OmniBased");
  // 4. the raw slug
  assert.equal(channelName({ channel: "destiny" }, {}, prov), "destiny");
  assert.equal(channelName({}, {}, {}), "");
});

test("attributionLine: a cut that can name no channel reads as it always did", () => {
  assert.equal(
    attributionLine({ title: "Monday Mail #11", date: "2016-09-12", cite: 32989 }, {}),
    "Monday Mail #11 · 2016-09-12 @ 9:09:49",
  );
});

test("imageAttributionLine: title and date", () => {
  assert.equal(
    imageAttributionLine({
      title: "Bx (@bx_on_x) on X, September 2026 — 1/4",
      date: "2026-08-19",
    }),
    "Bx (@bx_on_x) on X, September 2026 — 1/4 · 2026-08-19",
  );
});

test("imageAttributionLine: no date, no separator", () => {
  assert.equal(
    imageAttributionLine({ title: "1st pic — Substack profile" }),
    "1st pic — Substack profile",
  );
  // A still has no moment to cite, so there is never a clock on it.
  assert.doesNotMatch(imageAttributionLine({ title: "x", date: "2026-08-19" }), /@/);
});

test("imageAttributionLine: a date alone still reads", () => {
  assert.equal(imageAttributionLine({ date: "2026-08-19" }), "2026-08-19");
});

test("imageAttributionLine: nothing to say is the empty string", () => {
  // The renderer reads "" as "draw no header": an empty textfile is the one
  // thing drawtext refuses outright.
  assert.equal(imageAttributionLine({}), "");
  assert.equal(imageAttributionLine({ title: "   ", date: null }), "");
  assert.equal(imageAttributionLine(undefined), "");
});

test("imageAttributionLine: the author's title is not cleaned", () => {
  // An @handle is the caption's subject here, not a chat !command to strip.
  const line = imageAttributionLine({ title: "Bx (@bx_on_x) on X" });
  assert.equal(line, "Bx (@bx_on_x) on X");
  assert.notEqual(line, cleanTitle("Bx (@bx_on_x) on X"));
});

test("isCalendarDate / uploadDateToIso", () => {
  assert.equal(isCalendarDate("2026-08-19"), true);
  assert.equal(isCalendarDate("2025-02-31"), false);
  assert.equal(isCalendarDate("20250101"), false);
  assert.equal(uploadDateToIso("20250101"), "2025-01-01");
  assert.equal(uploadDateToIso("2025-01-01"), "2025-01-01");
});