from os import path

import pytest

from base import UsingFileBasedSheerka
from core.concept import ConceptDefaultProps
from helpers import get_concept, get_concepts, get_file_content


class TestSheerka(UsingFileBasedSheerka):

    def test_i_can_initialize_sheerka(self, sheerka_fb):
        sheerka = sheerka_fb
        assert path.exists(self.SHEERKA_ROOT_DIR)

        last_event_path = path.join(self.SHEERKA_ROOT_DIR, "LAST_EVENT")
        assert path.exists(last_event_path)

        last_event_digest = get_file_content(last_event_path)
        last_event_folder = path.join(self.SHEERKA_ROOT_DIR, "events", last_event_digest[:24], last_event_digest)
        assert path.exists(last_event_folder)
        assert path.exists(last_event_folder + "_admin_context")

        assert len(sheerka.services) > 0
        assert len(sheerka.evaluators) > 0

        # add test to validate that we can access bind methods

    def test_i_can_use_isinstance(self, sheerka, context):
        foo, bar = get_concepts(context, "foo", "bar", use_sheerka=True)
        assert sheerka.isinstance(foo, foo.key)
        assert sheerka.isinstance(foo, foo.str_id)
        assert sheerka.isinstance(foo, foo)
        assert sheerka.isinstance(foo, foo.get_metadata())

        assert not sheerka.isinstance(foo, bar.key)
        assert not sheerka.isinstance(foo, bar.str_id)
        assert not sheerka.isinstance(foo, bar)
        assert not sheerka.isinstance(foo, bar.get_metadata())

    @pytest.mark.parametrize("obj, expected", [
        (None, None),
        (1, 1),
    ])
    def test_i_can_get_obj_value(self, sheerka, context, obj, expected):
        assert sheerka.objvalue(obj) == expected

    def test_i_can_get_obj_value_for_concept(self, sheerka, context):
        foo = get_concept("foo")
        bar = get_concept("bar")
        bar.set_value(ConceptDefaultProps.BODY, 1)
        foo.set_value(ConceptDefaultProps.BODY, bar)
        foo.get_runtime_info().is_evaluated = True
        bar.get_runtime_info().is_evaluated = True

        assert sheerka.objvalue(foo) == 1