from fastapi import FastAPI, File, UploadFile, HTTPException
from firebase_admin import credentials, storage
import firebase_admin
from uuid import uuid4
from fastapi import APIRouter
from config.firebase_cfg import init_firebase

init_firebase()

upload_router = APIRouter()

@upload_router.post("/upload_pdf")
async def upload_pdf(file: UploadFile = File(...)):
    if file.content_type != "application/pdf":
        raise HTTPException(status_code=400, detail="must be PDF file")
    
    file_name = f"{uuid4()}.pdf"

    bucket = storage.bucket()
    blob = bucket.blob(file_name)
    
    blob.upload_from_file(file.file, content_type="application/pdf")
    blob.make_public()  

    file_url = blob.public_url
    return {"file_url": file_url}

@upload_router.post("/upload_docs")
async def upload_docs(file: UploadFile = File(...)):
    if file.content_type != "application/docs":
        raise HTTPException(status_code=400, detail="must be DOCS file")
    
    file_name = f"{uuid4()}.docs"

    bucket = storage.bucket()
    blob = bucket.blob(file_name)
    
    blob.upload_from_file(file.file, content_type="application/docs")
    blob.make_public()  

    file_url = blob.public_url
    return {"file_url": file_url}

@upload_router.post("/delete_file")
async def delete_file(file_name: str):
    try:
        bucket = storage.bucket()
        blob = bucket.blob(file_name)

        if not blob.exists():
            raise HTTPException(status_code=404, detail="File not found")

        blob.delete()

        return {"message": f"File {file_name} deleted successfully"}
    except Exception as e:
        raise HTTPException(status_code=500, detail=f"An error occurred: {str(e)}")

# url = "http://127.0.0.1:8000/delete_file"
# data = {"file_name": "example.pdf"}

# response = requests.post(url, json=data)