# -*- coding: utf-8 -*-
import unittest
import transaction
from depot.manager import DepotManager
from pyramid import testing


from tracim.lib.core.content import ContentApi
from tracim.lib.core.workspace import WorkspaceApi
from tracim.models.data import Workspace, ContentType
from tracim.models.data import Content
from tracim.lib.utils.logger import logger
from tracim.fixtures import FixturesLoader
from tracim.fixtures.users_and_groups import Base as BaseFixture
from tracim.config import CFG


def eq_(a, b, msg=None):
    # TODO - G.M - 05-04-2018 - Remove this when all old nose code is removed
    assert a == b, msg or "%r != %r" % (a, b)


class BaseTest(unittest.TestCase):
    """
    Pyramid default test.
    """
    def setUp(self):
        logger.debug(self, 'Setup Test...')
        self.config = testing.setUp(settings={
            'sqlalchemy.url': 'sqlite:///:memory:',
            'user.auth_token.validity': '604800',
            'depot_storage_dir': '/tmp/test/depot',
            'depot_storage_name': 'test',
            'preview_cache_dir': '/tmp/test/preview_cache',

        })
        self.config.include('tracim.models')
        DepotManager._clear()
        DepotManager.configure(
            'test', {'depot.backend': 'depot.io.memory.MemoryFileStorage'}
        )
        settings = self.config.get_settings()
        self.app_config = CFG(settings)
        from tracim.models import (
            get_engine,
            get_session_factory,
            get_tm_session,
            )

        self.engine = get_engine(settings)
        session_factory = get_session_factory(self.engine)

        self.session = get_tm_session(session_factory, transaction.manager)
        self.init_database()

    def init_database(self):
        logger.debug(self, 'Init Database Schema...')
        from tracim.models.meta import DeclarativeBase
        DeclarativeBase.metadata.create_all(self.engine)

    def tearDown(self):
        logger.debug(self, 'TearDown Test...')
        from tracim.models.meta import DeclarativeBase

        testing.tearDown()
        transaction.abort()
        DeclarativeBase.metadata.drop_all(self.engine)


class StandardTest(BaseTest):
    """
    BaseTest with default fixtures
    """
    fixtures = [BaseFixture]

    def init_database(self):
        BaseTest.init_database(self)
        fixtures_loader = FixturesLoader(
            session=self.session,
            config=CFG(self.config.get_settings()))
        fixtures_loader.loads(self.fixtures)


class DefaultTest(StandardTest):

    def _create_workspace_and_test(self, name, user) -> Workspace:
        """
        All extra parameters (*args, **kwargs) are for Workspace init
        :return: Created workspace instance
        """
        WorkspaceApi(
            current_user=user,
            session=self.session,
        ).create_workspace(name, save_now=True)

        eq_(
            1,
            self.session.query(Workspace).filter(
                Workspace.label == name
            ).count()
        )
        return self.session.query(Workspace).filter(
            Workspace.label == name
        ).one()

    def _create_content_and_test(
            self,
            name,
            workspace,
            *args,
            **kwargs
    ) -> Content:
        """
        All extra parameters (*args, **kwargs) are for Content init
        :return: Created Content instance
        """
        content = Content(*args, **kwargs)
        content.label = name
        content.workspace = workspace
        self.session.add(content)
        self.session.flush()

        content_api = ContentApi(
            current_user=None,
            session=self.session,
            config=self.app_config,
        )
        eq_(
            1,
            content_api.get_canonical_query().filter(
                Content.label == name
            ).count()
        )
        return content_api.get_canonical_query().filter(
            Content.label == name
        ).one()

    def _create_thread_and_test(self,
                                user,
                                workspace_name='workspace_1',
                                folder_name='folder_1',
                                thread_name='thread_1') -> Content:
        """
        :return: Thread
        """
        workspace = self._create_workspace_and_test(workspace_name, user)
        folder = self._create_content_and_test(
            folder_name, workspace,
            type=ContentType.Folder,
            owner=user
        )
        thread = self._create_content_and_test(
            thread_name,
            workspace,
            type=ContentType.Thread,
            parent=folder,
            owner=user
        )
        return thread