from fastapi import APIRouter, Request
from fastapi.responses import RedirectResponse
from fastapi.templating import Jinja2Templates
from pathlib import Path

from app import auth_users

router = APIRouter(tags=["settings"])

BASE_DIR = Path(__file__).resolve().parent.parent.parent
templates = Jinja2Templates(directory=str(BASE_DIR / "templates"))


@router.get("/settings")
async def settings_page(request: Request, tab: str = "email"):
    allowed = ("email", "general", "permissions", "social", "users")
    active = tab if tab in allowed else "email"
    if tab == "ai":
        active = "email"
    user = getattr(request.state, "user", None)
    if active == "users" and not auth_users.can_manage_users(user):
        return RedirectResponse("/settings?tab=email", status_code=303)
    return templates.TemplateResponse(
        "settings.html",
        {
            "request": request,
            "page_title": "Settings",
            "active_tab": active,
            "can_manage_users": auth_users.can_manage_users(user),
            "current_user": user,
        },
    )