import assert from 'node:assert/strict';
import test from 'node:test';
import {
  SPEECH_BUILDERS,
  attachVoiceResult,
  planStepLabel,
  progressLine,
  progressStepLabel,
  spokenLabel,
} from './speech.js';
import { presentResult } from './resultDisplay.js';
import { countWords, findHedges } from './speechLint.js';
import { setLocale } from '../i18n/index.js';

function envelope(name, result, args) {
  return attachVoiceResult(name, result, args);
}

function assertSpeakable(say) {
  assert.ok(countWords(say) <= 25, `too long: ${say}`);
  assert.deepEqual(findHedges(say), [], `hedged: ${say}`);
}

test('layer toggles confirm the resulting state and fold only material feed tags', () => {
  const on = envelope(
    'set_layer_visibility',
    {
      ok: true,
      action: 'set_layer_visibility',
      layerId: 'flights',
      label: 'Flights',
      enabled: true,
      feedState: 'stale',
    },
    { layerId: 'flights', enabled: true },
  );
  assert.equal(on.say, 'Flights on, stale.');
  const fallback = envelope(
    'set_layer_visibility',
    {
      ok: true,
      label: 'Flights',
      enabled: true,
      feedState: 'fallback',
      source: 'adsb.lol',
    },
    { enabled: true },
  );
  assert.equal(
    fallback.say,
    'Flights on.',
    'a healthy fallback feed is valid data, shown not spoken',
  );
  assert.deepEqual(fallback.display.sources, [{ label: 'adsb.lol' }]);
  const unavailable = envelope(
    'set_layer_visibility',
    {
      ok: true,
      label: 'Active Fires',
      enabled: true,
      feedState: 'unavailable',
    },
    { enabled: true },
  );
  assert.equal(
    unavailable.say,
    'Active Fires on, but its feed is unavailable.',
  );
  const off = envelope(
    'set_layer_visibility',
    { ok: true, label: 'Flights', enabled: false },
    { enabled: false },
  );
  assert.equal(off.say, 'Flights off.');
  const failed = envelope(
    'set_layer_visibility',
    {
      ok: false,
      layerId: 'traffic',
      error: 'Could not enable the requested layer',
    },
    { layerId: 'traffic', enabled: true },
  );
  assert.equal(failed.say, "Couldn't turn on traffic.");
  assert.equal(failed.ok, false, 'the envelope never changes the outcome');
});

test('aircraft identity always covers operator, type and route from returned fields only', () => {
  const full = envelope('get_entity_context', {
    ok: true,
    selected: {
      id: 'a1b2c3',
      layerId: 'flights',
      name: 'UAL428',
      source: 'OpenSky',
      properties: {
        callsign: 'UAL428',
        operator: 'United Airlines',
        type: 'B738',
        routeOrigin: 'KIAH',
        routeDestination: 'KSFO',
        registration: 'N12345',
      },
    },
  });
  assert.equal(
    full.identityLine,
    'UAL428, United Airlines, B738, KIAH to KSFO.',
  );
  assert.equal(
    full.say,
    null,
    'the identity line is not forced onto other questions',
  );
  assert.ok(
    full.display.lines.includes('Registration N12345'),
    'registration is shown, not spoken',
  );
  assert.deepEqual(full.referents, [
    { n: 1, id: 'a1b2c3', label: 'UAL428', layerId: 'flights' },
  ]);

  const sparse = envelope('get_entity_context', {
    ok: true,
    selected: {
      id: 'ae01',
      layerId: 'military',
      name: 'RCH123',
      properties: { callsign: 'RCH123' },
    },
  });
  assert.equal(
    sparse.identityLine,
    'RCH123, operator unknown, type unknown, no route on file.',
  );
  assertSpeakable(sparse.identityLine);

  const routeString = envelope('get_entity_context', {
    ok: true,
    selected: {
      id: 'x',
      layerId: 'flights',
      properties: {
        callsign: 'DAL1',
        operator: 'Delta',
        type: 'A321',
        route: 'KATL-KLAX',
      },
    },
  });
  assert.equal(
    routeString.identityLine,
    'DAL1, Delta, A321, KATL to KLAX.',
    'endpoint codes stay verbatim',
  );

  const place = envelope('get_entity_context', {
    ok: true,
    selected: {
      id: 'dc',
      layerId: 'local-datacenters',
      name: 'Austin DC-7',
      properties: {},
    },
  });
  assert.equal(
    place.say,
    null,
    'non-aircraft answers are composed by the model',
  );
  assert.equal(place.display.title, 'Austin DC-7');
  const inView = { ok: true, scope: 'in_view', visible: [] };
  assert.equal(
    envelope('get_entity_context', inView),
    inView,
    'no selection leaves the result unchanged',
  );
});

test('nearest-aircraft results name the aircraft, distance and altitude briefly', () => {
  const ok = envelope('select_nearest_aircraft', {
    ok: true,
    action: 'select_nearest_aircraft',
    location: 'Austin',
    layerId: 'flights',
    label: 'SWA1940',
    feed: { state: 'nominal', source: 'OpenSky', count: 212 },
    aircraft: {
      id: 'a0b1',
      callsign: 'SWA1940',
      altitudeM: 9449,
      distanceKm: 12.4,
    },
  });
  assert.equal(ok.say, 'Selected SWA1940, 12 km from Austin, 31,000 feet.');
  assertSpeakable(ok.say);
  assert.equal(ok.referents[0].id, 'a0b1');

  const empty = envelope('select_nearest_aircraft', {
    ok: false,
    stage: 'nearest',
    layerId: 'flights',
    location: { label: 'Austin' },
    feed: { state: 'nominal' },
  });
  assert.equal(empty.say, 'No airborne aircraft loaded near Austin yet.');
  const down = envelope('select_nearest_aircraft', {
    ok: false,
    stage: 'nearest',
    feed: { state: 'unavailable', source: 'OpenSky' },
  });
  assert.equal(down.say, 'The aircraft feed is unavailable.');
  const stale = envelope('select_nearest_aircraft', {
    ok: true,
    location: 'Austin',
    feed: { state: 'stale' },
    aircraft: { callsign: 'AAL1', distanceKm: 3.26 },
  });
  assert.equal(stale.say, 'Selected AAL1, 3.3 km from Austin, stale.');
});

test('nearest-aircraft results leave out an altitude the feed did not report', () => {
  // gevActions sends `altitudeM: null` for an airborne military contact
  // without a barometric altitude; that is unknown, not sea level.
  const unknown = envelope('select_nearest_aircraft', {
    ok: true,
    location: 'Ramstein',
    layerId: 'military',
    feed: { state: 'nominal' },
    aircraft: { callsign: 'RCH123', altitudeM: null, distanceKm: 8.2 },
  });
  assert.equal(unknown.say, 'Selected RCH123, 8.2 km from Ramstein.');
  assert.deepEqual(unknown.display.lines, ['8.2\u00a0km from Ramstein']);

  // A reported sea-level altitude is still spoken.
  const seaLevel = envelope('select_nearest_aircraft', {
    ok: true,
    location: 'Ramstein',
    layerId: 'military',
    feed: { state: 'nominal' },
    aircraft: { callsign: 'RCH123', altitudeM: 0, distanceKm: 8.2 },
  });
  assert.equal(seaLevel.say, 'Selected RCH123, 8.2 km from Ramstein, 0 feet.');
  assert.deepEqual(seaLevel.display.lines, [
    '8.2\u00a0km from Ramstein',
    'Altitude 0 feet',
  ]);
});

test('frame_overhead keeps the essential scope audible and lists referents', () => {
  const framed = envelope('frame_overhead', {
    ok: true,
    layerId: 'flights',
    radiusKm: 150,
    count: 14,
    detectionEnabled: true,
    nearest: [
      { id: 'a', label: 'UAL1' },
      { id: 'b', label: null },
      { id: null, label: null },
    ],
  });
  assert.equal(framed.say, 'Framed 14 aircraft within 150 km.');
  assert.deepEqual(
    framed.referents.map((r) => r.label),
    ['UAL1', 'b'],
  );
  const capped = envelope('frame_overhead', {
    ok: true,
    layerId: 'ais-live-vessels',
    radiusKm: 120,
    count: 80,
    nearest: [],
  });
  assert.equal(capped.say, 'Framed at least 80 ships within 120 km.');
  const off = envelope('frame_overhead', {
    ok: false,
    layerId: 'satellites',
    error: 'The satellites layer is not enabled',
  });
  assert.equal(off.say, 'The satellites layer is off. Turn it on?');
  const empty = envelope('frame_overhead', {
    ok: false,
    layerId: 'flights',
    radiusKm: 150,
    count: 0,
    error: 'No flights within 150 km of the current view',
  });
  assert.equal(empty.say, 'No aircraft within 150 km.');
  // The runner's real refusal envelope never claims the sky is empty.
  const refused = envelope('frame_overhead', {
    ok: false,
    action: 'frame_overhead',
    error: 'Camera navigation is unavailable in the current view',
  });
  assert.equal(refused.say, "Couldn't frame the contacts right now.");
  const noPolicy = envelope('frame_overhead', {
    ok: false,
    action: 'frame_overhead',
    error: 'Camera navigation policy unavailable',
  });
  assert.doesNotMatch(noPolicy.say, /^No /);
  const cancelled = { ok: false, cancelled: true, action: 'frame_overhead' };
  assert.equal(envelope('frame_overhead', cancelled), cancelled);
});

test('fly_to confirms the destination; cancellation stays silent', () => {
  assert.equal(
    envelope('fly_to_location', { ok: true, label: 'Tokyo' }).say,
    'Flying to Tokyo.',
  );
  assert.equal(
    envelope('fly_to_location', { ok: true, label: 'Austin', arrived: true })
      .say,
    'Over Austin.',
  );
  assert.equal(
    envelope('fly_to_location', { ok: false, cancelled: true, label: 'Austin' })
      .say,
    undefined,
    'a cancelled call keeps its exact outcome',
  );
  assert.equal(
    envelope('fly_to_location', { ok: false, query: 'Atlantis' }).say,
    "Couldn't find Atlantis.",
  );
});

test('view state speaks enabled layers only and is a silent lookup by default', () => {
  const view = envelope('get_current_view_state', {
    ok: true,
    camera: { heightM: 40210 },
    style: 'thermal',
    layers: [
      {
        id: 'flights',
        name: 'Flights',
        enabled: true,
        count: 120,
        feedState: 'stale',
      },
      {
        id: 'local-firms',
        name: 'Fires',
        enabled: true,
        count: 8,
        feedState: 'nominal',
      },
    ],
  });
  assert.equal(
    view.say,
    'Camera 40 km up. Thermal style. Flights and Fires on. Flights stale.',
  );
  assert.equal(view.schedule, 'silent');
  assertSpeakable(view.say);
});

test('annotation speech names only what failed and never announces drawing', () => {
  const clean = envelope('annotate_map', {
    ok: true,
    drawn: 2,
    failed: 0,
    items: [
      { ok: true, id: 'anno-1', label: 'Capitol' },
      { ok: true, id: 'anno-2', target: 'Zilker Park' },
    ],
  });
  assert.equal(clean.say, null);
  assert.equal(clean.display.title, 'Marked 2 places');
  assert.deepEqual(
    clean.referents.map((r) => r.label),
    ['Capitol', 'Zilker Park'],
  );
  const partial = envelope('annotate_map', {
    ok: true,
    partial: true,
    failedLabels: ['Flibbergibbet Building'],
    items: [{ ok: true, label: 'Capitol' }, { ok: false }],
  });
  assert.equal(partial.say, "Couldn't place Flibbergibbet Building.");
  const route = envelope('annotate_map', {
    ok: true,
    routeFallback: true,
    items: [{ ok: true, label: 'A → B' }],
  });
  assert.equal(
    route.say,
    'That line is straight-line distance, not a street route.',
  );
  const pending = envelope('annotate_map', {
    ok: true,
    outlinePending: true,
    items: [{ ok: true, label: 'Presidio' }],
  });
  assert.equal(pending.say, null);
  assert.deepEqual(pending.display.notes, ['Tracing outlines']);
});

test('analyst speech preserves exact counts, lower bounds and partial status', () => {
  const raw = {
    ok: true,
    action: 'analyst_query',
    count: 3,
    complete: true,
    scopeLabel: 'anywhere in the loaded data',
    coverage: { layersQueried: [{ layerKey: 'flights' }] },
  };
  assert.equal(
    attachVoiceResult('analyst_query', raw).say,
    '3 aircraft anywhere in the loaded data.',
  );
  assert.equal(
    attachVoiceResult('analyst_query', {
      ...raw,
      count: 250_000,
      complete: false,
      partial: true,
      unanswered: ['military'],
    }).say,
    'At least 250,000 aircraft anywhere in the loaded data. Partial; military not answered.',
  );
  assert.equal(
    attachVoiceResult('analyst_query', {
      ...raw,
      count: 7,
      coverage: {
        layersQueried: [{ layerKey: 'flights' }, { layerKey: 'military' }],
      },
    }).say,
    '7 aircraft anywhere in the loaded data.',
    'combined Contacts aircraft layers retain their shared semantic noun',
  );
  for (const [feedState, spoken] of [
    ['stale', '3 aircraft anywhere in the loaded data, stale.'],
    ['degraded', '3 aircraft anywhere in the loaded data, degraded.'],
    [
      'unavailable',
      'Feed unavailable anywhere in the loaded data; no authoritative count.',
    ],
  ]) {
    const result = attachVoiceResult('analyst_query', {
      ...raw,
      feedState,
      feedProvenance: { overall: feedState },
    });
    assert.equal(result.say, spoken);
    assert.equal(
      presentResult('analyst_query', result).display.chips[0].label,
      feedState,
      'speech and card carry the same material feed state',
    );
  }
  const longScope = `within the selected operational corridor ${'north-east '.repeat(8).trim()}`;
  const longResult = attachVoiceResult('analyst_query', {
    ...raw,
    scopeLabel: longScope,
  });
  assert.equal(
    presentResult('analyst_query', longResult).display.title,
    longResult.say.replace(/[.]$/, ''),
    'card and speech consume the exact same long headline',
  );
  assert.ok(
    longResult.say.length <= 64,
    'the shared headline fits the voice card without a second truncation',
  );
  assert.match(longResult.say, /…$/);
});

test('builders never break an action and callers can override analyst speech', () => {
  assert.equal(typeof SPEECH_BUILDERS.analyst_query, 'function');
  const raw = { ok: true, action: 'analyst_query', count: 3 };
  const hooked = attachVoiceResult(
    'analyst_query',
    raw,
    {},
    { analyst_query: (r) => ({ say: `${r.count} found.` }) },
  );
  assert.equal(hooked.say, '3 found.');
  const throwing = attachVoiceResult(
    'x',
    raw,
    {},
    {
      x: () => {
        throw new Error('boom');
      },
    },
  );
  assert.equal(throwing, raw);
  assert.equal(attachVoiceResult('set_layer_visibility', null), null);
});

test('labels are bounded and cleaned before they are spoken', () => {
  assert.equal(
    spokenLabel('  Texas\u0000 State\n Capitol '),
    'Texas State Capitol',
  );
  assert.equal(spokenLabel('x'.repeat(80)).length, 48);
  assert.equal(
    planStepLabel('annotate_map', {
      annotations: [
        { target: 'Capitol' },
        { label: 'Zilker' },
        { target: 'UT' },
      ],
    }),
    'Mark Capitol and Zilker +1',
  );
  assert.equal(
    planStepLabel('fly_to_location', { query: 'Tokyo' }),
    'Fly to Tokyo',
  );
  assert.equal(
    progressStepLabel('resolve', 'Capitol'),
    'Finding places: Capitol',
  );
  for (const step of [
    'resolve',
    'search',
    'fly',
    'layer',
    'refresh',
    'nearest',
    'still',
  ]) {
    const line = progressLine(step, 'Austin');
    assertSpeakable(line);
    assert.ok(countWords(line) <= 12);
  }
  assert.equal(
    progressLine('outline', 'Presidio'),
    null,
    'background steps stay on screen',
  );
});

test('the street-level card says "the view centre" in the interface language', () => {
  setLocale('de');
  try {
    const out = envelope('show_street_level', {
      ok: true,
      providerName: 'Mapillary',
      label: 'the view centre',
      atViewCentre: true,
    });
    assert.equal(out.display.lines[0], 'die Bildmitte');
    assert.match(out.say, /the view centre/, 'speech stays English');
  } finally {
    setLocale('en');
  }
});

test('street-level failure cards are in the interface language; speech stays English', () => {
  setLocale('de');
  try {
    const card = (error, extra = {}) =>
      envelope('show_street_level', {
        ok: false,
        action: 'show_street_level',
        providerName: 'Google Street View',
        label: 'Paris',
        error,
        ...extra,
      });
    const lines = (error, extra) => card(error, extra).display.lines;
    assert.deepEqual(lines('Google Street View needs its key', { stage: 'key' }), [
      'Google Street View braucht seinen Schlüssel',
    ]);
    assert.deepEqual(
      lines('Google Street View needs the photoreal map, which is not available', { stage: 'map' }),
      ['Google Street View braucht die Google 3D-Karte, die nicht verfügbar ist'],
    );
    assert.deepEqual(lines('Mapillary could not be switched on', { stage: 'provider' }), [
      'Mapillary konnte nicht eingeschaltet werden',
    ]);
    assert.deepEqual(lines('Street Level could not be enabled', { stage: 'layer' }), [
      'Straßenebene konnte nicht eingeschaltet werden',
    ]);
    assert.deepEqual(
      lines('Latitude must be within ±90° and longitude within ±180°', { stage: 'location' }),
      ['Der Breitengrad muss innerhalb von ±90° und der Längengrad innerhalb von ±180° liegen'],
    );
    assert.deepEqual(lines('Mapillary imagery could not be opened', { stage: 'imagery' }), [
      'Bilder von Mapillary konnten nicht geöffnet werden',
    ]);
    // The filter clause wraps the reason, already in the interface language,
    // and names the filters as their chips do.
    const filtered = card('No Mapillary imagery near Paris with the 360° and SINCE filters on', {
      stage: 'imagery',
      noImagery: true,
      filter: { label: '360° and SINCE filters' },
    });
    assert.deepEqual(filtered.display.lines, [
      'Keine Bilder von Mapillary in der Nähe von Paris (aktive Filter: 360°, SEIT)',
    ]);
    assert.match(filtered.say, /with the 360° and SINCE filters on/, 'speech stays English');
  } finally {
    setLocale('en');
  }
});

test('street-level speech names the source and the place, and says which step failed', () => {
  const ok = envelope('show_street_level', {
    ok: true,
    action: 'show_street_level',
    provider: 'google',
    providerName: 'Google Street View',
    label: '10th Street, Sacramento',
    title: '1000 10th St, Sacramento, CA',
    capturedAt: Date.UTC(2024, 4, 1), // Google dates: the first of the month, UTC
  });
  assert.equal(ok.say, 'Google Street View at 1000 10th St, Sacramento, CA.');
  assertSpeakable(ok.say);
  assert.equal(ok.display.title, 'Google Street View');
  assert.equal(ok.display.lines[1], 'Captured May 2024');

  const stages = {
    location: "Couldn't find Nowhere.",
    map: "Google Street View needs the Google 3D map, which isn't available.",
    key: 'Google Street View needs its key.',
    layer: "Couldn't turn on Street Level.",
    // A service or viewer failure, not missing coverage.
    imagery: 'Google Street View could not open imagery near Nowhere.',
  };
  for (const [stage, say] of Object.entries(stages)) {
    const out = envelope('show_street_level', {
      ok: false,
      stage,
      label: 'Nowhere',
      providerName: 'Google Street View',
      error: 'detail',
    });
    assert.equal(out.say, say, stage);
    assertSpeakable(out.say);
    assert.deepEqual(out.display.lines, ['detail']);
  }
  const empty = envelope('show_street_level', {
    ok: false,
    stage: 'imagery',
    noImagery: true,
    label: 'Nowhere',
    providerName: 'Mapillary',
  });
  assert.equal(empty.say, 'No Mapillary imagery near Nowhere.');
  const sky = envelope('show_street_level', {
    ok: false,
    stage: 'imagery',
    aim: 'sky',
    atViewCentre: true,
    label: 'the view centre',
    providerName: 'Mapillary',
  });
  assert.equal(sky.say, 'Aim the middle of the view at a street first.');
  assertSpeakable(sky.say);
  const armed = envelope('show_street_level', {
    ok: true,
    armed: true,
    providerName: 'Google Street View',
    label: '10th St, Sacramento',
  });
  assert.equal(armed.say, 'Google Street View is ready at 10th St, Sacramento: press OPEN to load it.');
  assertSpeakable(armed.say);
  assert.deepEqual(armed.display.lines, ['10th St, Sacramento', 'Press OPEN to load the photo']);
  const unfound = envelope('show_street_level', {
    ok: false,
    stage: 'location',
    location: { ok: false, action: 'fly_to_location', label: 'Nowhere Town' },
  });
  assert.equal(unfound.say, "Couldn't find Nowhere Town.");
  assert.equal(unfound.display.title, 'Street Level');
  const refused = envelope('show_street_level', {
    ok: false,
    stage: 'key',
    keyRejected: true,
    providerName: 'Google Street View',
  });
  assert.equal(refused.say, 'Google Street View refused its key.');
  assert.equal(
    envelope('show_street_level', { ok: false, cancelled: true }).say,
    undefined,
  );
  assert.equal(
    planStepLabel('show_street_level', {
      query: 'Eiffel Tower',
      provider: 'google',
    }),
    'Street View at Eiffel Tower',
  );
  assert.equal(
    planStepLabel('show_street_level', {
      query: 'Times Square',
      provider: 'mapillary',
    }),
    'Mapillary at Times Square',
  );
  assert.equal(
    progressStepLabel('imagery', 'Eiffel Tower'),
    'Opening imagery: Eiffel Tower',
  );
  assert.equal(progressLine('map', 'photoreal'), 'Switching to Google 3D.');
  assert.equal(
    progressLine('imagery', 'Eiffel Tower'),
    'Looking for imagery at Eiffel Tower.',
  );
});

test('the capture month is a UTC month whatever the timezone, and labels name the place', async () => {
  const { execFileSync } = await import('node:child_process');
  const speech = new URL('./speech.js', import.meta.url).href;
  // Google dates a panorama 2024-05 as the first of the month, UTC. West of
  // Greenwich that instant is still April; the card must still say May.
  const out = execFileSync(
    process.execPath,
    [
      '--input-type=module',
      '-e',
      `import { attachVoiceResult } from ${JSON.stringify(speech)};
       const r = attachVoiceResult('show_street_level', { ok: true, providerName: 'Google Street View', label: 'x', capturedAt: Date.UTC(2024, 4, 1) });
       process.stdout.write(r.display.lines[1]);`,
    ],
    { env: { ...process.env, TZ: 'America/Los_Angeles' }, encoding: 'utf8' },
  );
  assert.equal(out, 'Captured May 2024');
  const { narrationLabel } = await import('./speech.js');
  assert.equal(narrationLabel('show_street_level', { query: 'Eiffel Tower' }), 'Eiffel Tower');
  assert.equal(narrationLabel('show_street_level', {}), '');
  assert.equal(
    planStepLabel('show_street_level', { latitude: 1, longitude: 2 }),
    'Street level at this spot',
  );
  assert.equal(planStepLabel('show_street_level', {}), 'Street level at the view centre');
});

test('the plan step names KartaView as a source', () => {
  assert.equal(
    planStepLabel('show_street_level', {
      query: 'Alexanderplatz',
      provider: 'kartaview',
    }),
    'KartaView at Alexanderplatz',
  );
});

test('an empty street-level search names the imagery filter that hid the photos', () => {
  const out = envelope('show_street_level', {
    ok: false,
    stage: 'imagery',
    label: 'Alexanderplatz',
    providerName: 'KartaView',
    filter: { pano: 'pano', label: '360° filter' },
  });
  assert.equal(
    out.say,
    'No KartaView imagery near Alexanderplatz with the 360° filter on.',
  );
  assertSpeakable(out.say);
});

test('the plan step names Panoramax as a source', () => {
  assert.equal(
    planStepLabel('show_street_level', {
      query: 'Montmartre',
      provider: 'panoramax',
    }),
    'Panoramax at Montmartre',
  );
});

test('progress step labels join through the catalog colon', () => {
  setLocale('fr');
  try {
    assert.equal(
      progressStepLabel('resolve', 'Capitol'),
      'Recherche de lieux\u202f: Capitol',
    );
  } finally {
    setLocale('en');
  }
});