"""Release contracts for localized, interruptible thinking voice cues."""

from pathlib import Path


ROOT = Path(__file__).resolve().parents[2]
VOICE = ROOT / "dockerfiles/hermes-webui-atlas-voice.js"


def _source() -> str:
    return VOICE.read_text(encoding="utf-8")


def test_fast_answers_suppress_cues_and_long_waits_are_bounded():
    source = _source()

    assert "const THINKING_CUE_FIRST_MS=1900" in source
    assert "const THINKING_CUE_INTERVAL_MS=6500" in source
    assert "cue.issued>=cue.pool.length" in source
    assert "scheduleNextThinkingCue(cue,THINKING_CUE_FIRST_MS)" in source
    assert "scheduleNextThinkingCue(cue,THINKING_CUE_INTERVAL_MS)" in source
    assert "cancelThinkingCues();\n    const turn=ensureSpeechTurn(token)" in source


def test_cues_are_localized_deterministic_and_non_repeating():
    source = _source()

    assert "{id:'thinking',text:\"I'm thinking.\"}" in source
    assert "{id:'let_me_think',text:'Дайте подумать.'}" in source
    assert "{id:'still_working',text:'Sigo pensando en eso.'}" in source
    assert "offset:cuePoolOffset(turnId,pool.length)" in source
    assert "cue.pool[(cue.offset+cue.issued)%cue.pool.length]" in source
    assert "cue.issued+=1" in source
    assert "const localized=normalizeSttLanguage(language)||'en'" in source


def test_cues_are_turn_owned_audio_only_and_abortable():
    source = _source()
    cue_region = source.split("async function issueThinkingCue(cue){", 1)[1].split(
        "function scheduleThinkingCues", 1
    )[0]

    assert "cue.token===generation" in source
    assert "state==='thinking'" in source
    assert "cue.turnId+':thinking-cue:'" in cue_region
    assert "request.cue_id=entry.id" in cue_region
    assert "fetch(TTS_STREAM_URL" in cue_region
    assert "fetch('/api/tts'" not in cue_region
    assert "atlas-pcm-playback" in cue_region
    assert "signal:controller.signal" in cue_region
    assert "cue.controller.abort()" in source
    assert "cancelThinkingCues();\n    cancelSpeechTurn();" in source
    assert "composer.value" not in cue_region
    assert "window.send" not in cue_region


def test_thinking_barge_in_arms_quickly_but_guards_playback_echo():
    source = _source()

    assert "let speechArmAt=Date.now()+100" in source
    assert "speechArmAt=now+(state==='thinking'?150:450)" in source
    assert "playbackActive&&!playbackWasActive" in source
    assert "const BARGE_TRIGGER_FRAMES=4" in source
    assert "},50);" in source
    assert "lookback:monitor.lookback" in source