#!/usr/bin/env python3

from libervia.web.server.constants import Const as C
from libervia.backend.core.log import getLogger
from libervia.backend.core.i18n import _
from libervia.backend.tools.common import uri as xmpp_uri

log = getLogger(__name__)
import json

"""forum handling pages"""

name = "forums"
access = C.PAGES_ACCESS_PUBLIC
template = "forum/overview.html"


def parse_url(self, request):
    self.get_path_args(
        request,
        ["service", "node", "forum_key"],
        service="@jid",
        node="@",
        forum_key="",
    )


def add_breadcrumb(self, request, breadcrumbs):
    # we don't want breadcrumbs here as long as there is no forum discovery
    # because it will be the landing page for forums activity until then
    pass


def get_links(self, forums):
    for forum in forums:
        try:
            uri = forum["uri"]
        except KeyError:
            pass
        else:
            uri = xmpp_uri.parse_xmpp_uri(uri)
            service = uri["path"]
            node = uri["node"]
            forum["http_url"] = self.get_page_by_name("forum_topics").get_url(service, node)
        if "sub-forums" in forum:
            get_links(self, forum["sub-forums"])


async def prepare_render(self, request):
    data = self.get_r_data(request)
    template_data = request.template_data
    service, node, key = data["service"], data["node"], data["forum_key"]
    profile = self.get_profile(request) or C.SERVICE_PROFILE

    try:
        forums_raw = await self.host.bridge_call(
            "forums_get", service.full() if service else "", node, key, profile
        )
    except Exception as e:
        log.warning(_("Can't retrieve forums: {msg}").format(msg=e))
        forums = []
    else:
        forums = json.loads(forums_raw)
    get_links(self, forums)

    template_data["forums"] = forums