"""FluentGerman.ai — Admin voice-to-instruction & voice API router."""

from fastapi import APIRouter, Depends, UploadFile, File, HTTPException
import logging

# ... imports ...

logger = logging.getLogger("fluentgerman.voice")

# ...

@router.post("/transcribe")
async def transcribe_audio(
    audio: UploadFile = File(...),
    user: User = Depends(get_current_user),
):
    """Transcribe uploaded audio to text (API mode only)."""
    try:
        audio_bytes = await audio.read()
        text = await transcribe(audio_bytes, filename=audio.filename or "audio.webm")
        return {"text": text}
    except Exception as e:
        logger.error(f"Transcription failed: {str(e)}", exc_info=True)
        raise HTTPException(status_code=500, detail=f"Transcription failed: {str(e)}")


@router.post("/synthesize")
async def synthesize_text(
    text: str,
    user: User = Depends(get_current_user),
):
    """Convert text to speech audio (API mode only)."""
    try:
        audio_bytes = await synthesize(text)
        return Response(content=audio_bytes, media_type="audio/mpeg")
    except Exception as e:
        logger.error(f"Synthesis failed: {str(e)}", exc_info=True)
        raise HTTPException(status_code=500, detail=f"Synthesis failed: {str(e)}")


@router.post("/generate-instruction", dependencies=[Depends(require_admin)])
async def generate_instruction(body: VoiceInstructionRequest):
    """Admin: takes raw transcript and returns a structured instruction via LLM."""
    structured = await summarize_instruction(body.raw_text)
    return {"instruction": structured}