import os
import uvicorn
from fastapi import FastAPI
from fastapi.responses import HTMLResponse, StreamingResponse, JSONResponse, FileResponse
from DragMusic.core import nowplaying

app = FastAPI(docs_url=None, redoc_url="/")

@app.get("/status")
def hello():
    return {"message": "running"}

def get_audio_stream(file_path):
    def iterfile():
        with open(file_path, mode="rb") as file_like:
            yield from file_like
    return iterfile

@app.get("/", response_class=HTMLResponse)
def mini_web_player():
    html_path = os.path.join(os.path.dirname(__file__), "DragMusic", "web", "player.html")
    if not os.path.exists(html_path):
        # fallback to old inline HTML if file missing
        return "<h2>Mini Web Player</h2><p>UI file missing.</p>"
    return FileResponse(html_path, media_type="text/html")

@app.get("/current")
def get_current_song():
    song = nowplaying.get_current_song()
    if song:
        return JSONResponse(content=song)
    return JSONResponse(content={"error": "No song playing"}, status_code=404)

@app.get("/stream")
def stream_audio():
    song = nowplaying.get_current_song()
    if not song or not song.get("path") or not os.path.exists(song["path"]):
        return JSONResponse(content={"error": "No song playing or file missing"}, status_code=404)
    file_path = song["path"]
    return StreamingResponse(get_audio_stream(file_path)(), media_type="audio/mpeg")

if __name__ == "__main__":
    uvicorn.run(app, host="0.0.0.0", port=7860)