app.py

import os
import gradio as gr
import uvicorn

from sound_generator import generate_sound, generate_music
from fastapi import FastAPI, HTTPException
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import FileResponse, RedirectResponse
from pydantic import BaseModel

# Create the FastAPI app with custom docs URL
app = FastAPI(docs_url="/api/docs")

# Configuración de CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Define a Pydantic model to handle the input prompt
class AudioRequest(BaseModel):
    prompt: str

# Prueba para verificar si la API funciona - la dejamos por ahora para debugging
@app.get("/status")
def status():
    return {"status": "API running", "version": "1.0"}

@app.post("/generate-sound/")
async def generate_sound_endpoint(request: AudioRequest):
    try:
        # Llamada a la función para generar el sonido
        audio_file_path = generate_sound(request.prompt)

        # Verifica si el archivo se ha generado correctamente
        if not os.path.exists(audio_file_path):
            raise HTTPException(
                status_code=404, detail="Archivo de audio no encontrado."
            )

        # Regresar el archivo generado como una respuesta de descarga
        return FileResponse(
            audio_file_path, media_type="audio/wav", filename="generated_audio.wav"
        )

    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))

@app.post("/generate-music/")
async def generate_music_endpoint(request: AudioRequest):
    try:
        # Call the synchronous generate_music function
        audio_file_path = generate_music(request.prompt)

        # Verifies if the file has been generated correctly
        if not os.path.exists(audio_file_path):
            raise HTTPException(
                status_code=404, detail="Archivo de audio no encontrado."
            )

        # Return the generated file as a download response
        return FileResponse(
            audio_file_path, media_type="audio/wav", filename="generated_audio.wav"
        )

    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))

io = gr.Interface(lambda x: "Hello, " + x + "!", "textbox", "textbox")
gradio_app = gr.routes.App.create_app(io)

app.mount("/", gradio_app)