import os

from fastapi.concurrency import run_in_threadpool

from whisper import Whisper
from app.services.abc import ISpeechToTextService


class OpenAIWhisper(ISpeechToTextService):

    def __init__(self, model: Whisper):
        self._model = model

    async def speech_to_text(self, file_path):
        if os.path.exists(file_path):
            result = await run_in_threadpool(
                self._model.transcribe, file_path, fp16=False, language='English', verbose=False
            )
            return result["text"]
        else:
            print("File not found:", file_path)
            raise Exception("File " + file_path + " not found.")