#
# This file is part of FreedomBox.
#
# This program 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.
#
# This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
#

"""
Tests for config module.
"""

import os
import unittest

from plinth import __main__ as plinth_main

from ..forms import ConfigurationForm


class TestConfig(unittest.TestCase):
    """Test cases for testing the config module."""
    def test_hostname_field(self):
        """Test that hostname field accepts only valid hostnames."""
        valid_hostnames = [
            'a', '0a', 'a0', 'AAA', '00', '0-0', 'example-hostname', 'example',
            '012345678901234567890123456789012345678901234567890123456789012']
        invalid_hostnames = [
            '', '-', '-a', 'a-', '.a', 'a.', 'a.a', '?', 'a?a',
            '0123456789012345678901234567890123456789012345678901234567890123']

        for hostname in valid_hostnames:
            form = ConfigurationForm({'hostname': hostname,
                                      'domainname': 'example.com'})
            self.assertTrue(form.is_valid())

        for hostname in invalid_hostnames:
            form = ConfigurationForm({'hostname': hostname,
                                      'domainname': 'example.com'})
            self.assertFalse(form.is_valid())

    def test_domainname_field(self):
        """Test that domainname field accepts only valid domainnames."""
        valid_domainnames = [
            '', 'a', '0a', 'a0', 'AAA', '00', '0-0', 'example-hostname',
            'example', 'example.org', 'a.b.c.d', 'a-0.b-0.c-0',
            '012345678901234567890123456789012345678901234567890123456789012',
            ((('x' * 63) + '.') * 3) + 'x' * 61]
        invalid_domainnames = [
            '-', '-a', 'a-', '.a', 'a.', '?', 'a?a', 'a..a', 'a.-a', '.',
            ((('x' * 63) + '.') * 3) + 'x' * 62, 'x' * 64]

        for domainname in valid_domainnames:
            form = ConfigurationForm({'hostname': 'example',
                                      'domainname': domainname})
            self.assertTrue(form.is_valid())

        for domainname in invalid_domainnames:
            form = ConfigurationForm({'hostname': 'example',
                                      'domainname': domainname})
            self.assertFalse(form.is_valid())

    def test_locale_path(self):
        """
        Test that the 'locale' directory is in the same folder as __main__.py.
        This is required for detecting translated languages.
        """
        plinth_dir = os.path.dirname(plinth_main.__file__)
        locale_dir = os.path.join(plinth_dir, 'locale')
        self.assertTrue(os.path.isdir(locale_dir))