import json
from http import HTTPStatus

from fastapi import Response
from fastapi.param_functions import Depends
from fastapi.templating import Jinja2Templates
from loguru import logger
from starlette.exceptions import HTTPException
from starlette.requests import Request
from starlette.responses import HTMLResponse

from lnbits.core.models import User
from lnbits.decorators import check_user_exists
from lnbits.extensions.satspay.helpers import public_charge
from lnbits.settings import LNBITS_ADMIN_USERS

from . import satspay_ext, satspay_renderer
from .crud import get_charge, get_theme

from loguru import logger

templates = Jinja2Templates(directory="templates")


@satspay_ext.get("/", response_class=HTMLResponse)
async def index(request: Request, user: User = Depends(check_user_exists)):
    admin = False
    if LNBITS_ADMIN_USERS and user.id in LNBITS_ADMIN_USERS:
        admin = True
    return satspay_renderer().TemplateResponse(
        "satspay/index.html", {"request": request, "user": user.dict(), "admin": admin}
    )


@satspay_ext.get("/{charge_id}", response_class=HTMLResponse)
async def display(request: Request, charge_id: str):
    charge = await get_charge(charge_id)
    if not charge:
        raise HTTPException(
            status_code=HTTPStatus.NOT_FOUND, detail="Charge link does not exist."
        )
    extra = json.loads(charge.extra)

    return satspay_renderer().TemplateResponse(
        "satspay/display.html",
        {
            "request": request,
            "charge_data": public_charge(charge),
            "mempool_endpoint": extra["mempool_endpoint"],
            "network": extra["network"],
        },
    )


@satspay_ext.get("/css/{css_id}")
async def display(css_id: str, response: Response):
    theme = await get_theme(css_id)
    if theme:
        return Response(content=theme.custom_css, media_type="text/css")
    return None