from fastapi import FastAPI, Request
from fastapi.responses import HTMLResponse
from starlette.templating import Jinja2Templates
import httpx

app = FastAPI()

templates = Jinja2Templates(directory="templates")


def get_client_host(request: Request):
    return request.client.host


async def get_client_geo(client_host: str):
    async with httpx.AsyncClient() as client:
        response = await client.get(
            # использование https платная опция сервиса, инфо тут https://members.ip-api.com/
            url='http://ip-api.com/json/{}'.format(client_host),
            params={"lang": "ru"}
        )
        data = response.json()
    return data


@app.get("/", response_class=HTMLResponse)
async def index(request: Request):
    return templates.TemplateResponse(
        "index.html",
        {
            "request": request,
            "client_geo": await get_client_geo(
                get_client_host(request)
            )
        }
    )