import test from "node:test";
import assert from "node:assert/strict";

import {
  announceRaceStartedHelper,
  handleSessionTimerTickHelper,
  selectSpeechVoice,
  speakTextHelper,
} from "../src/runtime_services.js";

test("speech voice selection prefers an explicit voice and then the current language", () => {
  const voices = [
    { name: "English", lang: "en-US", voiceURI: "voice-en", localService: true },
    { name: "Swedish", lang: "sv-SE", voiceURI: "voice-sv", localService: true },
  ];

  assert.equal(selectSpeechVoice(voices, "voice-en", "sv-SE")?.voiceURI, "voice-en");
  assert.equal(selectSpeechVoice(voices, "", "sv-SE")?.voiceURI, "voice-sv");
  assert.equal(selectSpeechVoice(voices, "missing", "de-DE"), null);
});

test("race start only creates the overlay event - the old start tone and voice are gone (race audio owns the start)", async () => {
  const calls = [];
  announceRaceStartedHelper(
    { id: "session_1", name: "A Final", type: "final" },
    {
      // Old saved settings from the removed legacy panel must not bring the extra cues back.
      state: { settings: { audioEnabled: true, startSoundEnabled: true, finishVoiceEnabled: true, raceAudio: { enabled: false } } },
      t: (key) => key,
      pushOverlayEvent: (type, label, options) => calls.push([type, label, options]),
      playStartCue: () => calls.push(["tone"]),
      speakText: (value, options) => calls.push(["speech", value, options]),
    }
  );
  await new Promise((resolve) => setTimeout(resolve, 700));
  assert.deepEqual(calls, [["start", "A Final • timing.start", { silentCue: true }]]);
});

test("session timer emits each race-audio clock marker once without changing finish rules", () => {
  const active = { id: "s1", eventId: "e1", type: "final", status: "running", followUpSec: 30, audioAnnouncements: [] };
  const announced = [];
  let remainingMs = 59_000;
  let saves = 0;
  const run = () => handleSessionTimerTickHelper({
    getActiveSession: () => active,
    isUntimedSession: () => false,
    getSessionTiming: () => ({ remainingMs, followUpRemainingMs: 30_000 }),
    saveState: () => { saves += 1; },
    getLastFinishAnnouncementSessionId: () => null,
    setLastFinishAnnouncementSessionId: () => {},
    announceRaceFinished: () => announced.push("race_finished"),
    announceRaceClockEvent: (key) => announced.push(key),
  });
  run(); run();
  remainingMs = 29_000; run();
  remainingMs = 9_000; run();
  remainingMs = 0; run();
  assert.deepEqual(announced, ["one_minute_remaining", "thirty_seconds_remaining", "ten_seconds_remaining", "time_expired", "final_lap"]);
  assert.equal(active.status, "running");
  assert.ok(active.followUpStartedAt);
  assert.ok(saves >= 4);
});

test("race audio can ignore a mismatched configured voice and select the announcement language", () => {
  const originalWindow = globalThis.window;
  const OriginalUtterance = globalThis.SpeechSynthesisUtterance;
  const spoken = [];
  const voices = [
    { name: "English", lang: "en-US", voiceURI: "voice-en", localService: true },
    { name: "Swedish", lang: "sv-SE", voiceURI: "voice-sv", localService: true },
  ];
  globalThis.window = {
    speechSynthesis: {
      speaking: false,
      pending: false,
      cancel() {},
      getVoices: () => voices,
      speak: (utterance) => spoken.push(utterance),
    },
  };
  globalThis.SpeechSynthesisUtterance = class {
    constructor(text) { this.text = text; }
  };
  try {
    // audioEnabled false: the removed legacy "Sound on" switch used to silence every race-audio
    // voice (while effects still played). It must no longer have any effect.
    const started = speakTextHelper("Race finished", {
      state: { settings: { audioEnabled: false, speechVoiceUri: "voice-sv", speechRate: 1, speechPitch: 1 } },
      currentLanguage: () => "sv",
    }, { language: "en", voiceUri: "", rate: 1.1, pitch: 0.85 });
    assert.equal(started, true);
    assert.equal(spoken[0].lang, "en-US");
    assert.equal(spoken[0].voice.voiceURI, "voice-en");
    assert.equal(spoken[0].rate, 1.1);
    assert.equal(spoken[0].pitch, 0.85);
  } finally {
    globalThis.window = originalWindow;
    globalThis.SpeechSynthesisUtterance = OriginalUtterance;
  }
});