import os
from argparse import Namespace
from pathlib import Path
import sys

import pytest

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

import main
import httpx


def test_resolve_server_from_env(monkeypatch) -> None:
    monkeypatch.setenv("WHISPER_REMOTE", "http://localhost:8000/")
    assert main.resolve_server(Namespace(server=None)) == "http://localhost:8000"


def test_resolve_server_requires_value(monkeypatch) -> None:
    monkeypatch.delenv("WHISPER_REMOTE", raising=False)
    with pytest.raises(SystemExit):
        main.resolve_server(Namespace(server=None))


def test_infer_output_path_for_directory(tmp_path: Path) -> None:
    destination = main.infer_output_path(tmp_path, Path("clip.wav"), "srt")
    assert destination == tmp_path / "clip.srt"


def test_infer_output_path_for_explicit_file(tmp_path: Path) -> None:
    destination = main.infer_output_path(tmp_path / "custom-name.txt", Path("clip.wav"), "txt")
    assert destination == tmp_path / "custom-name.txt"


def test_format_http_error_with_body() -> None:
    request = httpx.Request("POST", "http://localhost:8000/transcriptions")
    response = httpx.Response(500, text="Internal Server Error", request=request)
    message = main.format_http_error(response, "http://localhost:8000/transcriptions")
    assert message == "HTTP 500 from http://localhost:8000/transcriptions: Internal Server Error"


def test_format_http_error_with_empty_body() -> None:
    request = httpx.Request("POST", "http://localhost:8000/transcriptions")
    response = httpx.Response(500, text="", request=request)
    message = main.format_http_error(response, "http://localhost:8000/transcriptions")
    assert message == "HTTP 500 from http://localhost:8000/transcriptions: <empty response body>"