from datetime import date

import pytest
import requests

from aleksis.apps.matrix.models import MatrixRoom
from aleksis.core.models import Group, SchoolTerm
from aleksis.core.util.core_helpers import get_site_preferences

pytestmark = pytest.mark.django_db

SERVER_URL = "http://127.0.0.1:8008"


def test_connection(synapse):

    assert synapse["listeners"][0]["port"] == 8008

    assert requests.get(SERVER_URL).status_code == requests.codes.ok


@pytest.fixture
def matrix_bot_user(synapse):

    from aleksis.apps.matrix.matrix import build_url

    body = {"username": "aleksis-bot", "password": "test", "auth": {"type": "m.login.dummy"}}

    get_site_preferences()["matrix__homeserver"] = SERVER_URL

    r = requests.post(build_url("register"), json=body)
    print(r.text, build_url("register"))
    assert r.status_code == requests.codes.ok

    user = r.json()

    get_site_preferences()["matrix__user"] = user["user_id"]
    get_site_preferences()["matrix__device_id"] = user["device_id"]
    get_site_preferences()["matrix__access_token"] = user["access_token"]

    yield r.json()


def test_create_room_for_group(matrix_bot_user):
    from aleksis.apps.matrix.matrix import build_url, get_headers

    g = Group.objects.create(name="Test Room")
    assert not MatrixRoom.objects.all().exists()
    room = MatrixRoom.from_group(g)

    assert ":matrix.aleksis.example.org" in room.room_id
    assert room.alias == "#test-room:matrix.aleksis.example.org"

    # On second get, it should be the same matrix room
    assert MatrixRoom.from_group(g) == room

    r = requests.get(build_url(f"rooms/{room.room_id}/aliases"), headers=get_headers())
    aliases = r.json()["aliases"]
    assert "#test-room:matrix.aleksis.example.org" in aliases


#
def test_create_room_for_group_short_name(matrix_bot_user):

    g = Group.objects.create(name="Test Room", short_name="test")
    assert not MatrixRoom.objects.all().exists()
    room = MatrixRoom.from_group(g)
    assert room.alias == "#test:matrix.aleksis.example.org"


def test_room_alias_collision_same_name(matrix_bot_user):
    from aleksis.apps.matrix.matrix import MatrixException

    g1 = Group.objects.create(name="Test Room")
    g2 = Group.objects.create(name="test-room")
    g3 = Group.objects.create(name="Test-Room")
    g4 = Group.objects.create(name="test room")
    room = MatrixRoom.from_group(g1)
    assert room.alias == "#test-room:matrix.aleksis.example.org"

    room = MatrixRoom.from_group(g2)
    assert room.alias == "#test-room-2:matrix.aleksis.example.org"

    room = MatrixRoom.from_group(g3)
    assert room.alias == "#test-room-3:matrix.aleksis.example.org"

    get_site_preferences()["matrix__disambiguate_room_aliases"] = False

    with pytest.raises(MatrixException):
        MatrixRoom.from_group(g4)


def test_room_alias_collision_school_term(matrix_bot_user):
    school_term_a = SchoolTerm.objects.create(
        name="Test Term A", date_start=date(2020, 1, 1), date_end=date(2020, 12, 31)
    )
    school_term_b = SchoolTerm.objects.create(
        name="Test Term B", date_start=date(2021, 1, 1), date_end=date(2021, 12, 31)
    )
    g1 = Group.objects.create(name="Test Room", school_term=school_term_a)
    g2 = Group.objects.create(name="Test Room", school_term=school_term_b)

    room = MatrixRoom.from_group(g1)
    assert room.alias == "#test-room:matrix.aleksis.example.org"

    room = MatrixRoom.from_group(g2)
    assert room.alias == "#test-room-2:matrix.aleksis.example.org"