from gateway.config import Platform, PlatformConfig
from gateway.platforms.base import BasePlatformAdapter
from tools.tts_text_normalize import prepare_spoken_text


class _DummyAdapter(BasePlatformAdapter):
    def __init__(self):
        super().__init__(PlatformConfig(enabled=True, token="test"), Platform.TELEGRAM)

    async def connect(self):
        return True

    async def disconnect(self):
        pass

    async def send(self, chat_id, content, **kwargs):
        raise AssertionError("not used")

    async def get_chat_info(self, chat_id):
        return {"id": chat_id, "type": "dm"}


def test_prepare_spoken_text_expands_celsius_and_weather_units():
    raw = """## Christchurch today\n\n- **Now:** about **14°C**, feels like **14°C**\n- **Wind:** 9 km/h\n- **Rain:** 1.3 mm\n- **Range:** 11\u201317°C\n"""

    spoken = prepare_spoken_text(raw)

    assert "##" not in spoken
    assert "**" not in spoken
    assert "14 degrees Celsius" in spoken
    assert "11 to 17 degrees Celsius" in spoken
    assert "9 kilometres per hour" in spoken
    assert "1.3 millimetres" in spoken
    assert "°C" not in spoken
    assert "km/h" not in spoken


def test_prepare_spoken_text_flattens_visual_formatting_for_tts():
    raw = """## Short answer\n\n- [link text](https://example.com) → NZ$120 & 80% likely\n- `inline code` should not keep backticks\n"""

    spoken = prepare_spoken_text(raw)

    assert "Short answer, link text to 120 New Zealand dollars and 80 percent likely" in spoken
    assert "inline code should not keep backticks" in spoken
    assert "https://" not in spoken
    assert "`" not in spoken
    assert "→" not in spoken
    assert "&" not in spoken


def test_gateway_auto_tts_preparation_uses_spoken_normalizer():
    adapter = _DummyAdapter()

    spoken = adapter.prepare_tts_text("## Weather\n- Now: 14°C, wind 9 km/h")

    assert spoken == "Weather, Now: 14 degrees Celsius, wind 9 kilometres per hour."


def test_prepare_spoken_text_polish_edge_cases():
    # Heading folds into the next sentence as a lead-in, not a bare label.
    assert prepare_spoken_text("## Weather\nIt will be sunny") == "Weather, It will be sunny."
    # Bare degree unit (no leading number) still expands.
    assert "degrees Celsius" in prepare_spoken_text("measured in °C")
    # Trailing comma is not swallowed into the amount.
    assert "300 US dollars" in prepare_spoken_text("US$300, next")
    # Real numeric rates expand, but and/or, N/A, IDs and dates are left intact.
    assert "5 dollars per month" in prepare_spoken_text("$5/month")
    assert "and/or" in prepare_spoken_text("choose and/or option")
    assert "N/A" in prepare_spoken_text("status N/A here")
    assert "2026/06/02" in prepare_spoken_text("due 2026/06/02 ok")