"""Demo console pages (#17) render without crashing even when the API is down (robustness of the live demo)."""

from pathlib import Path

import pytest
from streamlit.testing.v1 import AppTest

PAGES = Path(__file__).resolve().parents[1] / "dashboard" / "pages"


@pytest.fixture
def api_down(monkeypatch):
    monkeypatch.setenv("API_BASE_URL", "http://127.0.0.1:9")  # nothing listens on the discard port
    monkeypatch.setenv("DEMO_PERSONA_TOKEN", "tok-andrey")
    monkeypatch.delenv("PATIENT_WEB_URL", raising=False)


def _page(name: str) -> AppTest:
    return AppTest.from_file(str(PAGES / name), default_timeout=30)


def test_console_page_survives_api_down_and_button_clicks(api_down, tmp_path):
    scenario = tmp_path / "s.jsonl"
    scenario.write_text('{"day": 1, "note": "утро", "actions": [{"advance_to": "08:00"}]}\n', encoding="utf-8")
    at = _page("2_Демо-консоль.py")
    at.session_state["console_scenario_path:tok-andrey"] = str(scenario)
    at.run()
    assert not at.exception
    assert any("Часы недоступны" in w.value for w in at.warning)
    labels = [b.label for b in at.button]
    assert {"+1 час", "Следующий день", "🚀 Начать", "▶ Проиграть день 1"} <= set(labels)

    at.button(key="console-clock-d1").click().run()  # «Следующий день» with the API down
    assert not at.exception
    at.button(key="console-chat-start").click().run()
    assert not at.exception
    next(b for b in at.button if b.label == "▶ Проиграть день 1").click().run()
    assert not at.exception
    state = at.session_state["console_playback:tok-andrey"]
    assert state.failed is not None and state.done == []  # playback paused, page alive
    at.run()
    assert not at.exception
    assert any("Повторить шаг" in b.label for b in at.button), [b.label for b in at.button]


def test_console_page_without_scenario_file(api_down):
    at = _page("2_Демо-консоль.py")
    at.session_state["console_scenario_path:tok-andrey"] = "data/synthetic/__missing__.jsonl"
    at.run()
    assert not at.exception
    assert any("Сценарий не загружен" in i.value for i in at.info)


def test_split_screen_survives_api_down_and_uses_iframe_when_configured(api_down, monkeypatch):
    at = _page("3_Сплит-экран.py")
    at.run()
    assert not at.exception
    assert any("Алерты недоступны" in w.value for w in at.warning)

    monkeypatch.setenv("PATIENT_WEB_URL", "http://localhost:5173")
    at = _page("3_Сплит-экран.py")
    at.run()
    assert not at.exception
    assert any("http://localhost:5173" in c.value for c in at.caption)