Announcements/server/test/playlists-service.test.js

const test = require("node:test");
const assert = require("node:assert/strict");
const crypto = require("node:crypto");
const { openDatabase } = require("../src/database");
const { runMigrations } = require("../src/database/migrate");
const { createAssetService } = require("../src/assets/service");
const { createPlaybackService } = require("../src/playback");
const {
  MAX_DURATION_MS,
  MIN_DURATION_MS,
  createPlaylistService,
} = require("../src/playlists/service");

const BASE_TIME = 2_000_000_000_000;

function createHarness() {
  const database = openDatabase({ path: ":memory:" });
  runMigrations(database);
  let clock = BASE_TIME;
  let idCounter = 0;
  let assetCounter = 0;
  const changes = [];
  let playbackService;
  const service = createPlaylistService({
    database,
    now: () => clock,
    createId: () =>
      `00000000-0000-4000-8000-${String(++idCounter).padStart(12, "0")}`,
    onBeforeChange: () => {
      playbackService?.reconcile("before_domain_change");
    },
    onChanged: (change) => {
      changes.push(change);
      playbackService?.domainChanged(change);
    },
  });
  playbackService = createPlaybackService({ database, now: () => clock });
  playbackService.initialize();

  function setNow(value) {
    clock = value;
  }

  function seedAsset(options = {}) {
    const sequence = ++assetCounter;
    const id = options.id || `asset-${sequence}`;
    const name = options.name || id;
    const status = options.status || "ready";
    const expirationAt = options.expirationAt ?? null;
    const hash = crypto
      .createHash("sha256")
      .update(`${sequence}:${id}`)
      .digest("hex");
    database
      .prepare(
        `INSERT INTO assets (
          id, source_sha256, display_name, original_filename, status,
          expiration_at, display_sha256, display_width, display_height,
          thumbnail_sha256, thumbnail_width, thumbnail_height,
          created_at, updated_at
        ) VALUES (?, ?, ?, ?, ?, ?, ?, 1920, 1080, ?, 480, 270, ?, ?)`,
      )
      .run(
        id,
        hash,
        name,
        `${name}.png`,
        status,
        expirationAt,
        hash,
        hash,
        clock,
        clock,
      );
    return id;
  }

  function playback() {
    return database
      .prepare("SELECT * FROM playback_state WHERE output_id = 'global'")
      .get();
  }

  return {
    changes,
    database,
    playback,
    playbackService,
    seedAsset,
    service,
    setNow,
  };
}

function expectError(action, code, statusCode) {
  assert.throws(action, (error) => {
    assert.equal(error.code, code);
    if (statusCode !== undefined) assert.equal(error.statusCode, statusCode);
    return true;
  });
}

test("playlist CRUD uses UUIDs, case-insensitive names, revisions, and post-commit events", (t) => {
  const harness = createHarness();
  t.after(() => harness.database.close());

  const sunday = harness.service.create({ name: "  Sunday   Service  " });
  const midweek = harness.service.create({ name: "Midweek" });
  assert.match(sunday.id, /^[0-9a-f-]{36}$/);
  assert.equal(sunday.name, "Sunday Service");
  assert.equal(sunday.revision, 1);
  assert.deepEqual(
    harness.service.list().map((playlist) => playlist.name),
    ["Midweek", "Sunday Service"],
  );

  const revisionBeforeRead = harness.service.list()[1].revision;
  const changesBeforeRead = harness.changes.length;
  assert.equal(harness.service.get(sunday.id).entries.length, 0);
  assert.equal(harness.service.list()[1].revision, revisionBeforeRead);
  assert.equal(harness.changes.length, changesBeforeRead);

  const renamed = harness.service.update(sunday.id, { name: "Sunday Worship" });
  assert.equal(renamed.revision, 2);
  assert.equal(harness.service.update(sunday.id, { name: "Sunday Worship" }).revision, 2);
  expectError(
    () => harness.service.create({ name: "sUnDaY wOrShIp" }),
    "PLAYLIST_NAME_CONFLICT",
    409,
  );
  expectError(
    () => harness.service.update(midweek.id, { name: "SUNDAY WORSHIP" }),
    "PLAYLIST_NAME_CONFLICT",
    409,
  );
  assert.equal(harness.service.get(midweek.id).revision, 1);

  assert.deepEqual(harness.service.remove(midweek.id), {
    id: midweek.id,
    deleted: true,
  });
  expectError(
    () => harness.service.get(midweek.id),
    "PLAYLIST_NOT_FOUND",
    404,
  );
  assert.deepEqual(
    harness.changes.map((change) => change.reason),
    ["created", "created", "renamed", "deleted"],
  );
});

test("active and pending playlists are conservatively protected from deletion", (t) => {
  const harness = createHarness();
  t.after(() => harness.database.close());
  const active = harness.service.create({ name: "Active" });
  const pending = harness.service.create({ name: "Pending" });
  harness.service.addEntry(active.id, {
    assetId: harness.seedAsset({ id: "held", name: "Held" }),
  });
  harness.service.addEntry(pending.id, {
    assetId: harness.seedAsset({ id: "queued", name: "Queued" }),
  });

  // A mid-duration normal slide is what keeps an activation genuinely pending.
  // With no playable normal target the authority promotes the request straight
  // away, so an activation cannot be left queued behind an empty playlist.
  harness.playbackService.activatePlaylist(active.id);
  assert.equal(
    harness.playbackService.activatePlaylist(pending.id).activation,
    "pending",
  );

  expectError(() => harness.service.remove(active.id), "PLAYLIST_ACTIVE", 409);
  expectError(
    () => harness.service.remove(pending.id),
    "PLAYLIST_PENDING_ACTIVATION",
    409,
  );
  assert.equal(harness.playback().active_playlist_id, active.id);
  assert.equal(harness.playback().pending_playlist_id, pending.id);
  assert.equal(harness.service.list().length, 2);
});

test("entry adds require a ready, unexpired asset and enforce one occurrence per playlist", (t) => {
  const harness = createHarness();
  t.after(() => harness.database.close());
  const first = harness.service.create({ name: "First" });
  const second = harness.service.create({ name: "Second" });
  const ready = harness.seedAsset({ id: "ready", name: "Ready" });
  for (const status of ["processing", "failed", "deleting"]) {
    harness.seedAsset({ id: status, name: status, status });
  }
  harness.seedAsset({
    id: "expired",
    name: "Expired",
    expirationAt: BASE_TIME,
  });

  const firstEntry = harness.service.addEntry(first.id, { assetId: ready });
  const secondEntry = harness.service.addEntry(second.id, { assetId: ready });
  assert.equal(firstEntry.position, 0);
  assert.equal(secondEntry.position, 0);
  assert.notEqual(firstEntry.id, secondEntry.id);
  expectError(
    () => harness.service.addEntry(first.id, { assetId: ready }),
    "PLAYLIST_ENTRY_EXISTS",
    409,
  );
  for (const status of ["processing", "failed", "deleting"]) {
    expectError(
      () => harness.service.addEntry(first.id, { assetId: status }),
      "ASSET_NOT_READY",
      409,
    );
  }
  expectError(
    () => harness.service.addEntry(first.id, { assetId: "missing" }),
    "ASSET_NOT_FOUND",
    404,
  );
  expectError(
    () => harness.service.addEntry(first.id, { assetId: "expired" }),
    "ASSET_EXPIRED",
    409,
  );
  assert.equal(harness.service.get(first.id).revision, 2);
});

test("entry enablement, duration, and presentation overrides are playlist-local", (t) => {
  const harness = createHarness();
  t.after(() => harness.database.close());
  const a = harness.service.create({ name: "A" });
  const b = harness.service.create({ name: "B" });
  const assetId = harness.seedAsset({ id: "shared", name: "Shared" });
  const entryA = harness.service.addEntry(a.id, { assetId });
  const entryB = harness.service.addEntry(b.id, { assetId });

  assert.equal(entryA.durationOverrideMs, null);
  assert.equal(entryA.effectiveDurationMs, 7000);
  assert.deepEqual(entryA.effectivePresentation, {
    backgroundMode: "blurred",
    backgroundColor: "#000000",
    backgroundDarkened: false,
    blurPx: 20,
  });

  const patched = harness.service.updateEntry(a.id, entryA.id, {
    enabled: false,
    durationOverrideMs: 4000,
    backgroundModeOverride: "solid",
    backgroundColorOverride: "#a1b2c3",
    backgroundDarkenedOverride: true,
  });
  assert.equal(patched.enabled, false);
  assert.equal(patched.effectiveDurationMs, 4000);
  assert.deepEqual(patched.effectivePresentation, {
    backgroundMode: "solid",
    backgroundColor: "#A1B2C3",
    backgroundDarkened: true,
    blurPx: 20,
  });
  assert.equal(harness.service.get(b.id).entries[0].enabled, true);
  assert.equal(harness.service.get(b.id).entries[0].effectiveDurationMs, 7000);
  assert.equal(
    harness.database.prepare("SELECT status FROM assets WHERE id = ?").get(assetId)
      .status,
    "ready",
  );

  const inheritedAgain = harness.service.updateEntry(a.id, entryA.id, {
    durationOverrideMs: null,
    backgroundModeOverride: null,
    backgroundColorOverride: null,
    backgroundDarkenedOverride: null,
  });
  assert.equal(inheritedAgain.effectiveDurationMs, 7000);
  assert.equal(inheritedAgain.backgroundDarkenedOverride, null);

  for (const invalid of [MIN_DURATION_MS - 1, MAX_DURATION_MS + 1, 1.5]) {
    expectError(
      () =>
        harness.service.updateEntry(a.id, entryA.id, {
          durationOverrideMs: invalid,
        }),
      "INVALID_PLAYLIST_ENTRY",
      400,
    );
  }
  for (const patch of [
    { backgroundModeOverride: "gradient" },
    { backgroundColorOverride: "red" },
    { backgroundDarkenedOverride: 1 },
  ]) {
    expectError(
      () => harness.service.updateEntry(a.id, entryA.id, patch),
      "INVALID_PLAYLIST_ENTRY",
      400,
    );
  }
  assert.equal(harness.service.get(a.id).revision, 4);
  assert.equal(harness.service.get(b.id).revision, 2);
  assert.equal(entryB.enabled, true);
});

test("resolved entries centralize schedule and expiration eligibility at exact boundaries", (t) => {
  const harness = createHarness();
  t.after(() => harness.database.close());
  const playlist = harness.service.create({ name: "Scheduled" });
  const permanent = harness.seedAsset({ id: "permanent", name: "Permanent" });
  const futureExpiry = harness.seedAsset({
    id: "future-expiry",
    name: "Future expiry",
    expirationAt: BASE_TIME + 20_000,
  });
  const noSchedule = harness.service.addEntry(playlist.id, { assetId: permanent });
  const bounded = harness.service.addEntry(playlist.id, {
    assetId: futureExpiry,
    scheduleStartAt: BASE_TIME + 10_000,
    scheduleEndAt: BASE_TIME + 30_000,
  });

  let detail = harness.service.get(playlist.id);
  assert.equal(detail.evaluatedAt, BASE_TIME);
  assert.equal(detail.settingsRevision, 1);
  assert.deepEqual(
    detail.entries.map((entry) => [entry.id, entry.playable, entry.notPlayableReason]),
    [
      [noSchedule.id, true, null],
      [bounded.id, false, "scheduled_future"],
    ],
  );

  harness.setNow(BASE_TIME + 10_000);
  assert.equal(harness.service.get(playlist.id).entries[1].playable, true);
  harness.setNow(BASE_TIME + 20_000);
  assert.equal(
    harness.service.get(playlist.id).entries[1].notPlayableReason,
    "asset_expired",
  );
  harness.setNow(BASE_TIME + 30_000);
  assert.equal(
    harness.service.get(playlist.id).entries[1].notPlayableReason,
    "scheduled_ended",
  );

  harness.setNow(BASE_TIME);
  const endOnlyAsset = harness.seedAsset({ id: "end-only", name: "End only" });
  const endOnly = harness.service.addEntry(playlist.id, {
    assetId: endOnlyAsset,
    scheduleEndAt: BASE_TIME + 1,
  });
  assert.equal(endOnly.playable, true);
  harness.setNow(BASE_TIME + 1);
  assert.equal(
    harness.service.get(playlist.id).entries.find((entry) => entry.id === endOnly.id)
      .notPlayableReason,
    "scheduled_ended",
  );

  expectError(
    () =>
      harness.service.updateEntry(playlist.id, noSchedule.id, {
        scheduleStartAt: BASE_TIME + 2,
        scheduleEndAt: BASE_TIME + 1,
      }),
    "INVALID_PLAYLIST_ENTRY_SCHEDULE",
    400,
  );
  expectError(
    () =>
      harness.service.updateEntry(playlist.id, noSchedule.id, {
        scheduleStartAt: "2033-05-18T03:33:20",
      }),
    "INVALID_PLAYLIST_ENTRY",
    400,
  );
  const iso = harness.service.updateEntry(playlist.id, noSchedule.id, {
    scheduleStartAt: "2033-05-18T03:33:20Z",
  });
  assert.equal(iso.scheduleStartAt, 2_000_000_000_000);
});

test("full-list reorder validates membership and persists contiguous zero-based positions", (t) => {
  const harness = createHarness();
  t.after(() => harness.database.close());
  const playlist = harness.service.create({ name: "Ordered" });
  const other = harness.service.create({ name: "Other" });
  const entries = ["one", "two", "three"].map((id) =>
    harness.service.addEntry(playlist.id, {
      assetId: harness.seedAsset({ id, name: id }),
    }),
  );
  const foreign = harness.service.addEntry(other.id, {
    assetId: harness.seedAsset({ id: "foreign", name: "foreign" }),
  });
  const revision = harness.service.get(playlist.id).revision;

  const reordered = harness.service.reorderEntries(
    playlist.id,
    [entries[2].id, entries[0].id, entries[1].id],
  );
  assert.deepEqual(
    reordered.entries.map((entry) => [entry.id, entry.position]),
    [
      [entries[2].id, 0],
      [entries[0].id, 1],
      [entries[1].id, 2],
    ],
  );
  assert.equal(reordered.revision, revision + 1);

  const failedRevision = reordered.revision;
  expectError(
    () =>
      harness.service.reorderEntries(playlist.id, [
        entries[2].id,
        entries[2].id,
        entries[1].id,
      ]),
    "PLAYLIST_ORDER_DUPLICATE_IDS",
  );
  expectError(
    () => harness.service.reorderEntries(playlist.id, [entries[2].id]),
    "PLAYLIST_ORDER_INCOMPLETE",
  );
  expectError(
    () =>
      harness.service.reorderEntries(playlist.id, [
        entries[2].id,
        entries[0].id,
        foreign.id,
      ]),
    "PLAYLIST_ORDER_FOREIGN_ENTRY",
  );
  expectError(
    () =>
      harness.service.reorderEntries(playlist.id, [
        entries[2].id,
        entries[0].id,
        "missing-entry",
      ]),
    "PLAYLIST_ORDER_UNKNOWN_ENTRY",
  );
  assert.equal(harness.service.get(playlist.id).revision, failedRevision);

  harness.service.removeEntry(playlist.id, entries[0].id);
  assert.deepEqual(
    harness.service.get(playlist.id).entries.map((entry) => entry.position),
    [0, 1],
  );
});

test("no-op and failed mutations do not increment revisions or emit invalidations", (t) => {
  const harness = createHarness();
  t.after(() => harness.database.close());
  const playlist = harness.service.create({ name: "Stable" });
  const entry = harness.service.addEntry(playlist.id, {
    assetId: harness.seedAsset({ id: "stable-asset", name: "Stable asset" }),
  });
  const baseline = harness.service.get(playlist.id).revision;
  const eventCount = harness.changes.length;

  harness.service.update(playlist.id, { name: "Stable" });
  harness.service.updateEntry(playlist.id, entry.id, { enabled: true });
  harness.service.reorderEntries(playlist.id, [entry.id]);
  expectError(
    () => harness.service.updateEntry(playlist.id, "missing", { enabled: false }),
    "PLAYLIST_ENTRY_NOT_FOUND",
    404,
  );
  assert.equal(harness.service.get(playlist.id).revision, baseline);
  assert.equal(harness.changes.length, eventCount);
});

test("entry references protect assets and final removal restores delete eligibility", (t) => {
  const harness = createHarness();
  t.after(() => harness.database.close());
  const playlist = harness.service.create({ name: "References" });
  const assetId = harness.seedAsset({ id: "referenced", name: "Referenced" });
  const entry = harness.service.addEntry(playlist.id, { assetId, enabled: false });
  const assetService = createAssetService({
    database: harness.database,
    storage: {},
    imageProcessor: {},
  });

  const referenced = assetService.references(assetId);
  assert.equal(referenced.canDelete, false);
  assert.equal(referenced.playlists[0].playlistEntryId, entry.id);
  harness.service.removeEntry(playlist.id, entry.id);
  assert.equal(assetService.references(assetId).canDelete, true);
});

test("activation queues at a live boundary, is idempotent, and mode off is only a gate", (t) => {
  const harness = createHarness();
  t.after(() => harness.database.close());
  const oldPlaylist = harness.service.create({ name: "Old" });
  const newPlaylist = harness.service.create({ name: "New" });
  const oldEntry = harness.service.addEntry(oldPlaylist.id, {
    assetId: harness.seedAsset({ id: "old-asset", name: "Old asset" }),
  });
  const newEntry = harness.service.addEntry(newPlaylist.id, {
    assetId: harness.seedAsset({ id: "new-asset", name: "New asset" }),
    durationOverrideMs: 4000,
  });

  const initial = harness.playbackService.activatePlaylist(oldPlaylist.id);
  assert.equal(initial.activation, "active");
  assert.equal(initial.playback.currentEntryId, oldEntry.id);
  assert.equal(initial.playback.slideStartedAt, BASE_TIME);
  assert.equal(initial.playback.nextSlideAt, BASE_TIME + 7000);

  harness.database
    .prepare("UPDATE playback_state SET mode = 'off' WHERE output_id = 'global'")
    .run();
  harness.setNow(BASE_TIME + 1000);
  const pending = harness.playbackService.activatePlaylist(newPlaylist.id);
  assert.equal(pending.activation, "pending");
  assert.equal(pending.playback.mode, "off");
  assert.equal(pending.playback.activePlaylistId, oldPlaylist.id);
  assert.equal(pending.playback.pendingPlaylistId, newPlaylist.id);
  assert.equal(pending.playback.currentEntryId, oldEntry.id);
  const pendingRevision = pending.playback.revision;
  const requestedAt = pending.playback.pendingPlaylistRequestedAt;

  const repeated = harness.playbackService.activatePlaylist(newPlaylist.id);
  assert.equal(repeated.activation, "pending");
  assert.equal(repeated.playback.revision, pendingRevision);
  assert.equal(repeated.playback.pendingPlaylistRequestedAt, requestedAt);

  const cancel = harness.playbackService.activatePlaylist(oldPlaylist.id);
  assert.equal(cancel.activation, "already_active");
  assert.equal(cancel.playback.pendingPlaylistId, null);
  assert.equal(cancel.playback.currentEntryId, oldEntry.id);

  harness.setNow(BASE_TIME + 7000);
  const immediate = harness.playbackService.activatePlaylist(newPlaylist.id);
  assert.equal(immediate.activation, "active");
  assert.equal(immediate.playback.activePlaylistId, newPlaylist.id);
  assert.equal(immediate.playback.pendingPlaylistId, null);
  assert.equal(immediate.playback.currentEntryId, newEntry.id);
  assert.equal(immediate.playback.slideStartedAt, BASE_TIME + 7000);
  assert.equal(immediate.playback.nextSlideAt, BASE_TIME + 11_000);
  assert.equal(immediate.playback.mode, "off");
});

test("paused normal playback queues and can replace a pending activation", (t) => {
  const harness = createHarness();
  t.after(() => harness.database.close());
  const current = harness.service.create({ name: "Paused current" });
  const firstTarget = harness.service.create({ name: "First target" });
  const secondTarget = harness.service.create({ name: "Second target" });
  harness.service.addEntry(current.id, {
    assetId: harness.seedAsset({ id: "paused-current", name: "Paused current" }),
  });
  harness.service.addEntry(firstTarget.id, {
    assetId: harness.seedAsset({ id: "first-target", name: "First target" }),
  });
  harness.service.addEntry(secondTarget.id, {
    assetId: harness.seedAsset({ id: "second-target", name: "Second target" }),
  });
  harness.playbackService.activatePlaylist(current.id);
  harness.database
    .prepare(
      `UPDATE playback_state
       SET rotation_paused = 1, paused_remaining_ms = 5000,
           slide_started_at = NULL, next_slide_at = NULL
       WHERE output_id = 'global'`,
    )
    .run();

  harness.setNow(BASE_TIME + 1000);
  const first = harness.playbackService.activatePlaylist(firstTarget.id);
  assert.equal(first.activation, "pending");
  assert.equal(first.playback.activePlaylistId, current.id);
  assert.equal(first.playback.pendingPlaylistId, firstTarget.id);
  assert.equal(first.playback.pausedRemainingMs, 5000);

  harness.setNow(BASE_TIME + 2000);
  const replacement = harness.playbackService.activatePlaylist(secondTarget.id);
  assert.equal(replacement.activation, "pending");
  assert.equal(replacement.playback.activePlaylistId, current.id);
  assert.equal(replacement.playback.pendingPlaylistId, secondTarget.id);
  assert.equal(replacement.playback.pendingPlaylistRequestedAt, BASE_TIME + 2000);
  assert.equal(replacement.playback.revision, first.playback.revision + 1);
  assert.equal(replacement.playback.pausedRemainingMs, 5000);
});

test("static and paused activation prepare the first playable normal target without breaking hold", (t) => {
  const harness = createHarness();
  t.after(() => harness.database.close());
  const oldPlaylist = harness.service.create({ name: "Old static" });
  const target = harness.service.create({ name: "Target static" });
  const staticAssetId = harness.seedAsset({ id: "static", name: "Static" });
  harness.service.addEntry(oldPlaylist.id, {
    assetId: harness.seedAsset({ id: "old-normal", name: "Old normal" }),
  });
  const skipped = harness.service.addEntry(target.id, {
    assetId: harness.seedAsset({ id: "disabled", name: "Disabled" }),
    enabled: false,
  });
  const firstPlayable = harness.service.addEntry(target.id, {
    assetId: harness.seedAsset({ id: "playable", name: "Playable" }),
    durationOverrideMs: 9000,
  });
  assert.equal(skipped.position, 0);
  harness.playbackService.activatePlaylist(oldPlaylist.id);
  harness.database
    .prepare(
      `UPDATE playback_state
       SET static_asset_id = ?, rotation_paused = 1,
           paused_remaining_ms = 1234, slide_started_at = NULL,
           next_slide_at = NULL
       WHERE output_id = 'global'`,
    )
    .run(staticAssetId);

  const result = harness.playbackService.activatePlaylist(target.id);
  assert.equal(result.activation, "active");
  assert.equal(result.playback.activePlaylistId, target.id);
  assert.equal(result.playback.staticAssetId, staticAssetId);
  assert.equal(result.playback.rotationPaused, true);
  assert.equal(result.playback.currentEntryId, firstPlayable.id);
  assert.equal(result.playback.pausedRemainingMs, 9000);
  assert.equal(result.playback.slideStartedAt, null);
  assert.equal(result.playback.nextSlideAt, null);
});

test("empty activation is immediate and current-entry deletion coordinates playback revision safely", (t) => {
  const harness = createHarness();
  t.after(() => harness.database.close());
  const populated = harness.service.create({ name: "Populated" });
  const empty = harness.service.create({ name: "Empty" });
  const entries = ["first", "second"].map((id) =>
    harness.service.addEntry(populated.id, {
      assetId: harness.seedAsset({ id: `asset-${id}`, name: id }),
    }),
  );
  harness.playbackService.activatePlaylist(populated.id);
  const futurePlaybackTimestamp = BASE_TIME + 100_000;
  // Static and pause suspend the normal timeline. Persist the same shape the
  // playback authority itself writes, so the pre-change reconciliation has no
  // malformed timeline to repair and only the deletion moves the revision.
  harness.database
    .prepare(
      `UPDATE playback_state
       SET updated_at = ?, mode = 'off', static_asset_id = ?,
           rotation_paused = 1, paused_remaining_ms = 7000,
           slide_started_at = NULL, next_slide_at = NULL
       WHERE output_id = 'global'`,
    )
    .run(futurePlaybackTimestamp, "asset-second");
  const beforeDelete = harness.playback();

  harness.service.removeEntry(populated.id, entries[0].id);
  const afterDelete = harness.playback();
  assert.equal(afterDelete.current_entry_id, entries[1].id);
  assert.equal(afterDelete.slide_started_at, null);
  assert.equal(afterDelete.next_slide_at, null);
  assert.equal(afterDelete.paused_remaining_ms, 7000);
  assert.equal(afterDelete.active_playlist_id, populated.id);
  assert.equal(afterDelete.mode, "off");
  assert.equal(afterDelete.static_asset_id, "asset-second");
  assert.equal(afterDelete.rotation_paused, 1);
  assert.equal(afterDelete.revision, beforeDelete.revision + 1);
  assert.equal(afterDelete.updated_at, futurePlaybackTimestamp + 1);
  assert.deepEqual(
    harness.service.get(populated.id).entries.map((entry) => entry.position),
    [0],
  );

  harness.database
    .prepare(
      `UPDATE playback_state
       SET static_asset_id = NULL, rotation_paused = 0
       WHERE output_id = 'global'`,
    )
    .run();
  const result = harness.playbackService.activatePlaylist(empty.id);
  assert.equal(result.activation, "active");
  assert.equal(result.playback.activePlaylistId, empty.id);
  assert.equal(result.playback.currentEntryId, null);
  assert.equal(result.playback.slideStartedAt, null);
  assert.equal(result.playback.nextSlideAt, null);
});

test("inactive playlist edits do not mutate authoritative playback state", (t) => {
  const harness = createHarness();
  t.after(() => harness.database.close());
  const active = harness.service.create({ name: "Live" });
  const inactive = harness.service.create({ name: "Draft" });
  harness.service.addEntry(active.id, {
    assetId: harness.seedAsset({ id: "live", name: "Live asset" }),
  });
  const draftEntry = harness.service.addEntry(inactive.id, {
    assetId: harness.seedAsset({ id: "draft", name: "Draft asset" }),
  });
  harness.playbackService.activatePlaylist(active.id);
  const before = harness.playback();

  harness.service.update(inactive.id, { name: "Draft edited" });
  harness.service.updateEntry(inactive.id, draftEntry.id, { enabled: false });
  harness.service.reorderEntries(inactive.id, [draftEntry.id]);
  assert.deepEqual(harness.playback(), before);
});