##########################################################################
#
# pgAdmin 4 - PostgreSQL Tools
#
# Copyright (C) 2013 - 2021, The pgAdmin Development Team
# This software is released under the PostgreSQL Licence
#
##########################################################################


import uuid

from pgadmin.browser.server_groups.servers.databases.foreign_data_wrappers. \
    foreign_servers.tests import utils as fsrv_utils
from pgadmin.browser.server_groups.servers.databases.foreign_data_wrappers. \
    tests import utils as fdw_utils
from pgadmin.browser.server_groups.servers.databases.tests import \
    utils as database_utils
from pgadmin.utils.route import BaseTestGenerator
from regression import parent_node_dict
from regression.python_test_utils import test_utils as utils
from . import utils as ft_utils
from pgadmin.browser.server_groups.servers.databases.schemas.tables.tests \
    import utils as table_utils


class ForeignTableGetMsqlTestCase(BaseTestGenerator):
    """
    This class will fetch foreign table msql under database node.
    """
    skip_on_database = ['gpdb']

    # url
    url = '/browser/foreign_table/msql/'

    # Generates scenarios
    scenarios = utils.generate_scenarios("foreign_table_get_msql",
                                         ft_utils.test_cases)

    def setUp(self):
        """ This function will create foreign data wrapper, foreign server
        and foreign table. """
        super(ForeignTableGetMsqlTestCase, self).setUp()

        # Load test data
        self.data = self.test_data

        # Get parent schema info
        self.schema_data = parent_node_dict['schema'][-1]
        self.server_id = self.schema_data['server_id']
        self.db_id = self.schema_data['db_id']
        self.db_name = parent_node_dict["database"][-1]["db_name"]

        # Create schema
        self.schema_name = self.schema_data['schema_name']
        self.schema_id = self.schema_data['schema_id']

        # Create FDW, server & table
        self.fdw_name = "fdw_%s" % (str(uuid.uuid4())[1:8])
        self.fsrv_name = "fsrv_%s" % (str(uuid.uuid4())[1:8])
        self.ft_name = "ft_%s" % (str(uuid.uuid4())[1:8])

        self.fdw_id = fdw_utils.create_fdw(self.server, self.db_name,
                                           self.fdw_name)
        self.fsrv_id = fsrv_utils.create_fsrv(self.server, self.db_name,
                                              self.fsrv_name, self.fdw_name)
        self.ft_id = ft_utils.create_foreign_table(self.server, self.db_name,
                                                   self.schema_name,
                                                   self.fsrv_name,
                                                   self.ft_name)

    def runTest(self):
        """This function will fetch foreign table msql under test database."""
        # Create db connection
        db_con = database_utils.connect_database(self,
                                                 utils.SERVER_GROUP,
                                                 self.server_id,
                                                 self.db_id)

        if not db_con["info"] == "Database connected.":
            raise Exception("Could not connect to database.")

        fsrv_response = fsrv_utils.verify_fsrv(self.server, self.db_name,
                                               self.fsrv_name)

        if not fsrv_response:
            raise Exception("Could not find Foreign Server.")

        if self.is_positive_test:
            self.data['oid'] = self.ft_id

            if 'inherits' in self.data:
                tid = table_utils.create_table(self.server, self.db_name,
                                               self.schema_name, 'toinherit',
                                               "'CREATE TABLE %s.%s ()' "
                                               "%(schema_name, table_name)")
                self.data['inherits'] = [tid]

            url_encode_data = self.data
            response = ft_utils.api_get_msql(self, url_encode_data)

            # Assert response
            utils.assert_status_code(self, response)

    def tearDown(self):
        """ This function disconnect the test database and delete test
        foreign table object. """
        ft_utils.delete_foregin_table(self.server, self.db_name,
                                      self.schema_name, self.ft_name)

        database_utils.disconnect_database(self, self.server_id, self.db_id)
