from pathlib import Path

from fastapi import APIRouter, Depends, Request, status
from fastapi.responses import HTMLResponse, RedirectResponse, Response
from fastapi.templating import Jinja2Templates

from app.config import Settings
from app.dependencies import get_app_settings, get_current_auth_session
from app.services.auth import AuthenticatedSession

templates = Jinja2Templates(directory=str(Path(__file__).resolve().parents[2] / "templates"))
router = APIRouter(tags=["pages"])


@router.get("/", response_class=HTMLResponse)
def home(request: Request, settings: Settings = Depends(get_app_settings)) -> HTMLResponse:
    context = {
        "app_name": settings.app_name,
        "app_env": settings.app_env,
        "notion_status": "Legacy scope, removed from the Python rewrite target.",
    }
    return templates.TemplateResponse(request, "home.html", context)


@router.get("/admin", response_class=HTMLResponse)
def admin_page(
    request: Request,
    settings: Settings = Depends(get_app_settings),
    current_auth: AuthenticatedSession | None = Depends(get_current_auth_session),
) -> Response:
    if current_auth is None:
        return RedirectResponse(url="/login", status_code=status.HTTP_303_SEE_OTHER)

    context = {
        "app_name": settings.app_name,
        "app_env": settings.app_env,
        "current_username": current_auth.user.username,
        "csrf_token": current_auth.session.csrf_token,
        "force_password_change": current_auth.user.force_password_change,
        "password_change_error": None,
    }
    return templates.TemplateResponse(request, "admin.html", context)