"""test_signal_alert."""

from __future__ import annotations

from os import environ
from typing import TYPE_CHECKING

import httpx

from python.signal_alert import signal_alert

if TYPE_CHECKING:
    from pytest_mock import MockerFixture


def test_signal_alert(mocker: MockerFixture) -> None:
    """test_signal_alert."""
    environ["SIGNAL_ALERT_FROM_PHONE"] = "1234567890"
    environ["SIGNAL_ALERT_TO_PHONE"] = "0987654321"

    mock_logger = mocker.patch("python.signal_alert.logger")
    mock_response = mocker.MagicMock(spec=httpx.Response, status_code=httpx.codes.CREATED)
    mock_post = mocker.patch("python.signal_alert.httpx.post", return_value=mock_response)

    signal_alert("test")

    mock_logger.info.assert_not_called()
    mock_post.assert_called_once_with(
        "http://localhost:8989/v2/send",
        json={
            "message": "test",
            "number": "1234567890",
            "recipients": ["0987654321"],
            "text_mode": "normal",
        },
        timeout=4.0,
        follow_redirects=True,
    )


def test_signal_alert_no_phones(mocker: MockerFixture) -> None:
    """test_signal_alert_no_phones."""
    if "SIGNAL_ALERT_FROM_PHONE" in environ:
        del environ["SIGNAL_ALERT_FROM_PHONE"]
    if "SIGNAL_ALERT_TO_PHONE" in environ:
        del environ["SIGNAL_ALERT_TO_PHONE"]
    mock_logger = mocker.patch("python.signal_alert.logger")
    signal_alert("test")

    mock_logger.info.assert_called_once_with("SIGNAL_ALERT_FROM_PHONE or SIGNAL_ALERT_TO_PHONE not set")


def test_signal_alert_http_error(mocker: MockerFixture) -> None:
    """HTTP errors are logged rather than propagated."""
    environ["SIGNAL_ALERT_FROM_PHONE"] = "1234567890"
    environ["SIGNAL_ALERT_TO_PHONE"] = "0987654321"

    mock_logger = mocker.patch("python.signal_alert.logger")
    request = httpx.Request("POST", "http://localhost:8989/v2/send")
    mocker.patch(
        "python.signal_alert.httpx.post",
        side_effect=httpx.ConnectError("connection failed", request=request),
    )

    signal_alert("test")

    mock_logger.exception.assert_called_once_with("Unable to contact the Signal API")


def test_signal_alert_unsuccessful_response(mocker: MockerFixture) -> None:
    """Unexpected response statuses are logged."""
    environ["SIGNAL_ALERT_FROM_PHONE"] = "1234567890"
    environ["SIGNAL_ALERT_TO_PHONE"] = "0987654321"

    mock_logger = mocker.patch("python.signal_alert.logger")
    mock_response = mocker.MagicMock(spec=httpx.Response, status_code=httpx.codes.BAD_GATEWAY)
    mocker.patch("python.signal_alert.httpx.post", return_value=mock_response)

    signal_alert("test")

    mock_logger.error.assert_called_once_with("Signal API returned HTTP status %d", httpx.codes.BAD_GATEWAY)