"""画面まわり。文字起こし本体は動かさず、組み立てと片付けだけを確かめる。"""

import sys
import time
from pathlib import Path

import pytest

sys.path.insert(0, str(Path(__file__).resolve().parents[1]))

import app as web  # noqa: E402
import pipeline as pl  # noqa: E402


SEGMENTS = [
    {"start": 0.0, "end": 8.0, "text": "本日はありがとうございます"},
    {"start": 9.0, "end": 14.0, "text": "よろしくお願いします"},
]
TURNS = [(0.0, 8.5, "SPEAKER_00"), (8.5, 14.5, "SPEAKER_01")]


def build(playback: Path | None = None) -> pl.FileResult:
    entry = pl.FileResult(
        original_name="A社_初回訪問.wav", duration=95.0,
        recorded_at="2026-08-22 14:00:00", status="transcribed", playback=playback,
    )
    entry.utterances = pl.merge(SEGMENTS, TURNS)
    entry.speakers = sorted({u.speaker for u in entry.utterances})
    return entry


def test_発話の時刻に再生ボタンが付く(tmp_path):
    audio = tmp_path / "000.mp3"
    audio.write_bytes(b"x")

    html = web.render([build(audio)])
    assert '<audio id="audio-1"' in html
    assert 'data-audio="audio-1"' in html
    assert 'data-t="9.00"' in html          # 2つ目の発話の開始位置
    assert "00:00:09" in html


def test_音声が無い録音には再生機を出さない():
    html = web.render([build()])
    assert "<audio" not in html
    assert "SPEAKER_00" in html             # 本文は出る


def test_本文のHTMLを素通しさせない():
    """録音の中身が画面を壊さないように。"""
    entry = build()
    entry.utterances[0].text = '<script>alert("x")</script>'
    html = web.render([entry])
    assert "<script>alert" not in html
    assert "&lt;script&gt;" in html


def test_除外した録音は理由が出る():
    entry = pl.FileResult(original_name="短い.wav", duration=12.0,
                          status="skipped", reason="60秒未満")
    html = web.render([entry])
    assert "除外" in html and "60秒未満" in html


def test_集計が出る():
    skipped = pl.FileResult(original_name="短い.wav", duration=12.0,
                            status="skipped", reason="60秒未満")
    text = web.summarize([build(), skipped])
    assert "書き起こし 1" in text
    assert "長さ不足で除外 1" in text


def test_古い作業場は片付けられる(tmp_path, monkeypatch):
    """商談の音声を必要以上に残さないため、時間で消す。"""
    monkeypatch.setattr(web, "WORK_ROOT", tmp_path)

    old = tmp_path / "job-old"
    old.mkdir()
    stale = time.time() - web.JOB_TTL_SECONDS - 60
    import os
    os.utime(old, (stale, stale))

    fresh = tmp_path / "job-fresh"
    fresh.mkdir()

    web.sweep_old_jobs()

    assert not old.exists()
    assert fresh.exists()


def test_ファイル未選択なら止める():
    with pytest.raises(Exception) as err:
        web.process([], 60, "large-v3-turbo", 2, False, True, "", "")
    assert "選んで" in str(err.value)


def test_トークン無しで話者分離はできない(monkeypatch, tmp_path):
    monkeypatch.delenv("HF_TOKEN", raising=False)
    with pytest.raises(Exception) as err:
        web.process([str(tmp_path / "a.wav")], 60, "large-v3-turbo", 2, True, True, "", "")
    assert "トークン" in str(err.value)


def test_GPUの飾りは環境で切り替わる():
    """自分のPCでは素通し。ZeroGPU のときだけ GPU を割り当てる。"""
    def plain():
        return "ok"

    if not web.ON_ZERO_GPU:
        assert web.on_gpu(60)(plain) is plain


def test_待ち受け先は環境で変わる(monkeypatch):
    """Spaces で 127.0.0.1 のままだと外から届かず起動に失敗する。"""
    monkeypatch.delenv("HOST", raising=False)

    monkeypatch.setattr(web, "ON_SPACES", False)
    assert web.listen_on() == "127.0.0.1"      # 自分のPCでは外に開かない

    monkeypatch.setattr(web, "ON_SPACES", True)
    assert web.listen_on() == "0.0.0.0"        # Spaces では外から届くように

    monkeypatch.setenv("HOST", "1.2.3.4")
    assert web.listen_on() == "1.2.3.4"        # 指定があればそれに従う


def test_GPU側の失敗理由が消えない():
    """ZeroGPU は例外をうまく送り返せず、中身の無い名前だけになる。
    成否と本文を組にして持ち帰り、呼び出し側で組み立て直すこと。"""
    def boom():
        raise RuntimeError("libcudnn が見つかりません")

    ok, message = web.carry_errors(boom)()
    assert ok is False
    assert "libcudnn" in message

    with pytest.raises(RuntimeError) as err:
        web.unwrap((False, "RuntimeError: libcudnn が見つかりません"))
    assert "libcudnn" in str(err.value)

    assert web.unwrap((True, [1, 2, 3])) == [1, 2, 3]


def test_時刻が押せることを説明する(tmp_path):
    """押せると分からなければ、機能が無いのと同じなので。"""
    audio = tmp_path / "000.mp3"
    audio.write_bytes(b"x")

    html = web.render([build(audio)])
    assert "時刻" in html and "録音が流れます" in html

    # 音声が無いときは案内も出さない
    assert "録音が流れます" not in web.render([build()])


def test_出力はExcelだけ(tmp_path):
    """使わない形式まで作ると、そのぶん待たせることになる。"""
    outputs = pl.build_outputs([build()], tmp_path / "出力", "test", xlsx_only=True)

    assert outputs["xlsx"].exists()
    assert set(outputs) == {"xlsx", "per_file"}
    assert list(tmp_path.glob("出力/*")) == [outputs["xlsx"]]


def test_混雑と本当の失敗を見分ける():
    assert web.is_busy("No GPU was available after 60s Retry later")
    assert web.is_busy("GPU quota exceeded")
    assert not web.is_busy("RuntimeError: libcudnn.so.9 が見つかりません")


def test_GPUが混んでいたらCPUで続ける(monkeypatch, tmp_path):
    """1本の商談を丸ごと落とすより、遅くても終わらせる。"""
    monkeypatch.setattr(web, "GPU_RETRIES", 1)
    monkeypatch.setattr(web.time, "sleep", lambda _: None)
    monkeypatch.setattr(web.pl, "probe_duration", lambda _: 120.0)

    tries = {"gpu": 0}

    def busy(wav, *args):
        tries["gpu"] += 1
        return False, "No GPU was available after 60s Retry later"

    table = {seconds: busy for seconds in web.GPU_TIERS}
    notes = []

    result = web.run_on_gpu(table, tmp_path / "a.wav", (), 0.15,
                            lambda: ["CPUの結果"], notes.append)

    assert result == ["CPUの結果"]
    assert tries["gpu"] == 2                 # 1回目 ＋ 再挑戦1回
    assert notes and "CPU" in notes[0]       # 画面にも断りを出す


def test_混雑でない失敗はそのまま伝える(monkeypatch, tmp_path):
    monkeypatch.setattr(web.pl, "probe_duration", lambda _: 60.0)

    def broken(wav, *args):
        return False, "RuntimeError: libcudnn.so.9 が見つかりません"

    table = {seconds: broken for seconds in web.GPU_TIERS}

    with pytest.raises(RuntimeError) as err:
        web.run_on_gpu(table, tmp_path / "a.wav", (), 0.15,
                       lambda: ["使われないはず"], lambda _: None)
    assert "libcudnn" in str(err.value)


def test_確保時間は録音の長さで決まる(monkeypatch, tmp_path):
    """長く要求するほど空きが見つかりにくいので、足りる範囲で短く頼む。"""
    monkeypatch.setattr(web.pl, "probe_duration", lambda _: 60.0)
    short = web.gpu_tier(tmp_path / "a.wav", 0.15)

    monkeypatch.setattr(web.pl, "probe_duration", lambda _: 3600.0)
    long = web.gpu_tier(tmp_path / "a.wav", 0.15)

    assert short < long
    assert short in web.GPU_TIERS and long in web.GPU_TIERS