#
# Copyright (c) 2014 ThoughtWorks, Inc.
#
# Pixelated is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pixelated is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Pixelated. If not, see <http://www.gnu.org/licenses/>.

import unittest
import sys
import thread
import json

import os
import pixelated.config.app_factory
import pixelated.runserver
from mockito import *
import pixelated.config.app_factory as app_factory
from leap.common.events import server as events_server


class RunserverTest(unittest.TestCase):

    def setUp(self):
        events_server.ensure_server = lambda port=None: None
        when(app_factory).create_app().thenReturn(None)

    def tearDown(self):
        unstub()

    def test_that_config_file_can_be_specified_on_command_line(self):
        self.config_file_loaded = None

        def _mock_parse_config_from_file(config_file):
            self.config_file_loaded = config_file
            return 1, 2, 3

        pixelated.runserver.parse_config_from_file = _mock_parse_config_from_file
        sys.argv = ['pixelated-user-agent', '--config', 'pixelated.cfg']

        pixelated.runserver.setup()

        self.assertEquals('pixelated.cfg', self.config_file_loaded)

    def test_that_organization_switch_reads_the_credentials_from_pipe(self):
        fifo_path = '/tmp/credentials-pipe'
        if os.path.exists(fifo_path):
            os.remove(fifo_path)
        test_fifo = os.mkfifo('/tmp/credentials-pipe')
        thread.start_new_thread(self.spin_up_fifo, (fifo_path,))
        sys.argv = ['tmp/does_not_exist', '--dispatcher', fifo_path]
        pixelated.runserver.setup()

    def test_that_organization_switch_reads_the_credentials_from_stdin(self):
        data = json.dumps({'leap_provider_hostname': 'test_provider', 'user': 'test_user', 'password': 'test_password'})
        orig_stdin = sys.stdin
        try:
            sys.stdin = Mock()
            when(sys.stdin).read().thenReturn(data)

            sys.argv = ['tmp/does_not_exist', '--dispatcher-stdin']
            pixelated.runserver.setup()

            self.assertEquals('test_provider', pixelated.runserver.app.config['LEAP_SERVER_NAME'])
            self.assertEquals('test_user', pixelated.runserver.app.config['LEAP_USERNAME'])
            self.assertEquals('test_password', pixelated.runserver.app.config['LEAP_PASSWORD'])
        finally:
            sys.stdin = orig_stdin

    def test_start_services_pass_args_through(self):
        args = {}
        when(app_factory).create_app(any(), args).thenReturn(None)

        pixelated.runserver.start_services(args)

        verify(app_factory).create_app(any(), args)

    def spin_up_fifo(self, test_fifo):
        with open(test_fifo, 'w') as fifo:
            fifo.write(json.dumps({'leap_provider_hostname': 'test_provider', 'user': 'test_user', 'password': 'test_password'}))