import sys
sys.path.append("./")
import uvicorn
import shutil

from fastapi import FastAPI, File, UploadFile, Request
from fastapi.responses import HTMLResponse
from fastapi.templating import Jinja2Templates
from fastapi.staticfiles import StaticFiles
from src.ss.signboard_detect import SignBoardDetector

signboardDetector = SignBoardDetector(checkpoint="./checkpoints/ss/ss.ckpt")

app = FastAPI()
app.mount("/static", StaticFiles(directory="static"), name="static")
templates = Jinja2Templates(directory="templates")

@app.get("/upload", response_class=HTMLResponse)
async def upload(request: Request):
    return templates.TemplateResponse("detector.html", {"request": request})

@app.post("/uploadfile")
async def create_upload_file(file: UploadFile = File(...)):
    if file.content_type.split("/")[0] != "image":
        return {"file_name": file.filename,
                "file_type": file.content_type,
                "warning": "Need a image file instead."}
    else:
        with open(f"./static/images/{file.filename}", "wb") as buffer:
            shutil.copyfileobj(file.file, buffer)
        results = signboardDetector.inference_signboard(image=[f"./static/images/{file.filename}"], score=0.7)
        file.file.close()
        return {"results": results}

if __name__ == "__main__":
    # main()
    uvicorn.run("api.detector:app", reload=True, port=8001)