import warnings

warnings.filterwarnings("ignore", category=UserWarning, module="pydantic")


from django.conf import settings
from django.http import HttpRequest, HttpResponse
from django.utils.translation import gettext as _
from pydantic import Json

from zerver.actions.message_summary import do_summarize_narrow
from zerver.lib.exceptions import JsonableError
from zerver.lib.narrow import NarrowParameter
from zerver.lib.response import json_success
from zerver.lib.typed_endpoint import typed_endpoint
from zerver.models import UserProfile


@typed_endpoint
def get_messages_summary(
    request: HttpRequest,
    user_profile: UserProfile,
    *,
    narrow: Json[list[NarrowParameter] | None] = None,
) -> HttpResponse:
    if settings.TOPIC_SUMMARIZATION_MODEL is None:  # nocoverage
        raise JsonableError(_("AI features are not enabled on this server."))

    if not (user_profile.is_moderator or user_profile.is_realm_admin):  # nocoverage
        return json_success(request, {"summary": "Feature limited to moderators for now."})

    summary = do_summarize_narrow(user_profile, narrow)
    if summary is None:  # nocoverage
        return json_success(request, {"summary": "No messages in conversation to summarize"})

    return json_success(request, {"summary": summary})