import os

import testinfra.utils.ansible_runner


testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('parameters-mandatory')


def test_certificate_validity_check_configuration(host):
    """
    Tests if certificate validity check configuration file has been deployed
    correctly.
    """

    hostname = host.run('hostname').stdout.strip()

    config = host.file('/etc/check_certificate/%s.domain1_xmpp.conf' % hostname)
    assert config.is_file
    assert config.user == 'root'
    assert config.group == 'root'
    assert config.mode == 0o644
    assert config.content_string == "/etc/ssl/certs/%s.domain1_xmpp.pem" % hostname


def test_prosody_configuration_file_content(host):
    """
    Tests if Prosody configuration file has correct content.
    """

    hostname = host.run('hostname').stdout.strip()

    with host.sudo():

        config = host.file('/etc/prosody/prosody.cfg.lua')

        assert "admins = { \"john.doe@domain1\",  }" in config.content_string
        assert "key = \"/etc/ssl/private/%s.domain1_xmpp.key\";" % hostname in config.content_string
        assert "certificate = \"/etc/ssl/certs/%s.domain1_xmpp.pem\";" % hostname in config.content_string
        assert "ldap_server = \"ldap-server\"" in config.content_string
        assert "ldap_rootdn = \"cn=prosody,ou=services,dc=local\"" in config.content_string
        assert "ldap_password = \"prosodypassword\"" in config.content_string
        assert "ldap_filter = \"(&(mail=$user@$host)(memberOf=cn=xmpp,ou=groups,dc=local))\"" in config.content_string
        assert "ldap_base = \"ou=people,dc=local\"" in config.content_string

        assert """VirtualHost "domain1"
Component "conference.domain1" "muc"
  restrict_room_creation = "local"
Component "proxy.domain1" "proxy65"
  proxy65_acl = { "domain1" }""" in config.content_string


def test_correct_prosody_package_installed(host):
    """
    Tests if correct Prosody package has been installed.
    """

    assert host.package('prosody-0.10').is_installed


def test_xmpp_server_uses_correct_dh_parameters(host):
    """
    Tests if the HTTP server uses the generated Diffie-Hellman parameter.
    """

    fqdn = host.run('hostname -f').stdout.strip()

    with host.sudo():
        expected_dhparam = host.file('/etc/ssl/private/%s_xmpp.dh.pem' % fqdn).content_string.rstrip()

    connection = host.run("gnutls-cli --no-ca-verification --starttls-proto=xmpp --port 5222 "
                          "--priority 'NONE:+VERS-TLS1.2:+CTYPE-X509:+COMP-NULL:+SIGN-RSA-SHA384:+DHE-RSA:+SHA384:+AEAD:+AES-256-GCM' --verbose domain1")

    output = connection.stdout
    begin_marker = "-----BEGIN DH PARAMETERS-----"
    end_marker = "-----END DH PARAMETERS-----"
    used_dhparam = output[output.find(begin_marker):output.find(end_marker) + len(end_marker)]

    assert used_dhparam == expected_dhparam