import base64
import os
import sys
from pathlib import Path

sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))

from openrouter_client import TRANSCRIPTION_MODELS, _audio_format, _build_transcription_payload


def test_audio_format_defaults_to_wav_when_missing_suffix(tmp_path: Path):
    path = tmp_path / "recording"
    path.write_bytes(b"abc")
    assert _audio_format(str(path)) == "wav"


def test_build_transcription_payload_uses_base64_json_shape(tmp_path: Path):
    path = tmp_path / "meeting.wav"
    path.write_bytes(b"RIFFdemo")

    payload = _build_transcription_payload(str(path), TRANSCRIPTION_MODELS[0])

    assert payload["model"] == "openai/gpt-4o-mini-transcribe"
    assert payload["input_audio"]["format"] == "wav"
    assert payload["input_audio"]["data"] == base64.b64encode(b"RIFFdemo").decode("ascii")