# This software is licensed by the MIT License, see LICENSE file
#                                Copyright © 2024 Gregory Lirent

from fastapi import FastAPI, Request, Response, HTTPException
from .models import PACContent

pac: PACContent | None = None
app = FastAPI()


def init(filename: str | None = None):
    global pac

    if not filename:
        pac = None
    else:
        pac = PACContent(filename)


@app.get("/")
async def root(request: Request, view: bool = False):
    if not pac:
        raise HTTPException(status_code=500, detail="Config is not set")

    print(request.headers.get('X-Real-IP', None) or request.client.host)

    return Response(status_code=200, media_type="application/javascript",
                    content=pac.render_for(request.headers.get('X-Real-IP', None) or request.client.host),
                    headers=None if view else {"Content-Disposition": "attachment; filename=wpad.dat"})