"""Onionr - Private P2P Communication.

This file creates http endpoints for friend management
"""
import ujson as json

from onionrusers import contactmanager
from flask import Blueprint, Response, request, abort, redirect
from coredb import keydb
"""
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.
"""
friends = Blueprint('friends', __name__)


@friends.route('/friends/list')
def list_friends():
    pubkey_list = {}
    friend_list = contactmanager.ContactManager.list_friends()
    for friend in friend_list:
        pubkey_list[friend.publicKey] = {'name': friend.get_info('name')}
    return json.dumps(pubkey_list)


@friends.route('/friends/add/<pubkey>', methods=['POST'])
def add_friend(pubkey):
    contactmanager.ContactManager(pubkey, saveUser=True).setTrust(1)
    try:
        return redirect(request.referrer + '#' + request.form['token'])
    except TypeError:
        return Response(
            "Added, but referrer not set, cannot return to friends page")


@friends.route('/friends/remove/<pubkey>', methods=['POST'])
def remove_friend(pubkey):
    contactmanager.ContactManager(pubkey).setTrust(0)
    contactmanager.ContactManager(pubkey).delete_contact()
    keydb.removekeys.remove_user(pubkey)
    try:
        return redirect(request.referrer + '#' + request.form['token'])
    except TypeError:
        return Response(
            "Friend removed, but referrer not set, cannot return to page")


@friends.route('/friends/setinfo/<pubkey>/<key>', methods=['POST'])
def set_info(pubkey, key):
    data = request.form['data']
    contactmanager.ContactManager(pubkey).set_info(key, data)
    try:
        return redirect(request.referrer + '#' + request.form['token'])
    except TypeError:
        return Response(
            "Info set, but referrer not set, cannot return to friends page")


@friends.route('/friends/getinfo/<pubkey>/<key>')
def get_info(pubkey, key):
    ret_data = contactmanager.ContactManager(pubkey).get_info(key)
    if ret_data is None:
        abort(404)
    else:
        return ret_data