from argparse import Namespace
import asyncio

from async_generator import asynccontextmanager
import pytest

from phi.ldap.async_model import (
    get_class,
    recall,
    call_if_callable,
    inheritance,
    Entry,
    Hackers,
    Robots,
    Service,
    User,
)


BASE_DN = "dc=test,dc=abbiamoundominio,dc=org"


class MockClient:
    def __init__(self, base_dn):
        self._base_dn = base_dn

    @property
    def base_dn(self):
        return self._base_dn

    @asynccontextmanager
    async def connect(self, *args, **kwargs):
        conn = Namespace()
        async def _search(*args, **kwargs):
            await asyncio.sleep(0.01)
            return "Fake description"
        conn.search = _search
        yield conn


@pytest.fixture
def client_fixture():
    return MockClient(BASE_DN)


@pytest.fixture
def lineage_fixture():
    class Grand:
        @classmethod
        def name(cls):
            return cls.__name__

    class Ma(Grand):
        pass

    class Child(Ma):
        pass

    grand = Grand()
    ma = Ma()
    child = Child()

    return Grand, Ma, Child, grand, ma, child


def test_get_class():
    c = MockClient(BASE_DN)

    assert get_class(c) is MockClient


def test_recall(lineage_fixture):
    Grand, Ma, Child, grand, ma, child = lineage_fixture

    assert object is recall(grand)
    assert recall(grand) is recall(Grand)
    assert Grand is recall(ma)
    assert recall(ma) is recall(Ma)
    assert Ma is recall(child)
    assert recall(child) is recall(Child)


def test_call_if_callable():
    class Dummy:
        classattr = "classattr"

        @property
        def prop(self):
            return "prop"

        def func(self):
            return "func"

        @classmethod
        def clsmth(cls):
            return "clsmth"

    d = Dummy()

    assert "classattr" == call_if_callable(d, "classattr")
    assert "prop" == call_if_callable(d, "prop")
    assert "func" == call_if_callable(d, "func")
    assert "clsmth" == call_if_callable(d, "clsmth")


def test_inheritance(lineage_fixture):
    Grand, Ma, Child, _, _, _ = lineage_fixture

    assert inheritance(Grand, "name") == "Grand"
    assert inheritance(Ma, "name") == "Ma,Grand"
    assert inheritance(Child, "name") == "Child,Ma,Grand"
    assert inheritance(Child, "name", Grand) == "Child,Ma"
    assert inheritance(Child, "name", Ma) == "Child"


def test_Entry(client_fixture):
    e = Entry(client_fixture)

    assert e.base_dn == BASE_DN
    assert e.client is not None


def test_Entry_name(client_fixture):
    e = Entry(client_fixture)

    assert e.name() == "Entry"


def test_Entry_qualified_name(client_fixture):
    e = Entry(client_fixture)

    assert e.qualified_name() == "None=Entry"


def test_Entry_dn(client_fixture):
    e = Entry(client_fixture)

    assert e.dn == "None=Entry,{}".format(BASE_DN)


@pytest.mark.asyncio
async def test_Entry_describe(client_fixture):
    e = Entry(client_fixture)

    assert "Fake description" == await e.describe()


def test_Hackers(client_fixture):
    h = Hackers(client_fixture)

    assert h.kind == "ou"
    assert h.dn == "ou={},{}".format(h.name(), BASE_DN)


def test_Robots(client_fixture):
    r = Robots(client_fixture)

    assert r.kind == "ou"
    assert r.dn == "ou={},{}".format(r.name(), BASE_DN)


def test_User(client_fixture):
    c = User("conte_mascetti", client_fixture)

    assert c.kind == "uid"
    assert c.name == "conte_mascetti"
    assert c.dn == "uid=conte_mascetti,ou=Hackers,{}".format(BASE_DN)


def test_Service(client_fixture):
    c = Service("phi", client_fixture)

    assert c.kind == "uid"
    assert c.name == "phi"
    assert c.dn == "uid=phi,ou=Services,{}".format(BASE_DN)