#
# Copyright 2015 (c) Anna Schumaker.
#
from . import api
from . import auth
from . import threads


class Group(threads.Thread):
    def __init__(self, json):
        threads.Thread.__init__(self, json)

    def do_fetch_info(self):
        return info(self.id())

    def do_fetch_messages(self, ts):
        return history(self.id(), ts)

    def do_mark_messages(self, ts):
        mark(self.id(), ts)



def history(group, timestamp):
    ret = api.call("groups.history", token = auth.token(), channel = group, oldest = timestamp)
    if ret["ok"] == False:
        return None
    return ret["messages"]


def info(group):
    ret = api.call("groups.info", token = auth.token(), channel = group)
    if ret["ok"] == False:
        return None
    return ret["group"]

def list():
    ret = api.call("groups.list", token = auth.token())
    if ret["ok"] == False:
        return None

    gr_list = []
    for group in ret["groups"]:
        gr_list += [ Group(group) ]
    return gr_list

def mark(group, timestamp):
    api.call("groups.mark", token = auth.token(), channel = group, ts = timestamp)