# -*- coding: utf8 -*-
# ============LICENSE_START====================================================
# org.onap.vvp/validation-scripts
# ===================================================================
# Copyright © 2017 AT&T Intellectual Property. All rights reserved.
# ===================================================================
#
# Unless otherwise specified, all software contained herein is licensed
# under the Apache License, Version 2.0 (the "License");
# you may not use this software except in compliance with the License.
# You may obtain a copy of the License at
#
#             http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
#
# Unless otherwise specified, all documentation contained herein is licensed
# under the Creative Commons License, Attribution 4.0 Intl. (the "License");
# you may not use this documentation except in compliance with the License.
# You may obtain a copy of the License at
#
#             https://creativecommons.org/licenses/by/4.0/
#
# Unless required by applicable law or agreed to in writing, documentation
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# ============LICENSE_END============================================
#
# ECOMP is a trademark and service mark of AT&T Intellectual Property.
#

"""
test_allowed_address_pairs_format
"""

import re

import pytest
import yaml

from .utils.network_roles import get_network_role_from_port, property_uses_get_resource

VERSION = "1.0.0"

# pylint: disable=invalid-name


def test_allowed_address_pairs_format(heat_template):
    """
    Make sure all allowed_address_pairs properties follow the allowed
    naming conventions
    """
    allowed_formats = [
        [
            "allowed_address_pairs",
            "string",
            "internal",
            re.compile(r"(.+?)_int_(.+?)_floating_v6_ip"),
        ],
        [
            "allowed_address_pairs",
            "string",
            "internal",
            re.compile(r"(.+?)_int_(.+?)_floating_ip"),
        ],
        [
            "allowed_address_pairs",
            "string",
            "external",
            re.compile(r"(.+?)_floating_v6_ip"),
        ],
        [
            "allowed_address_pairs",
            "string",
            "external",
            re.compile(r"(.+?)_floating_ip"),
        ],
        [
            "allowed_address_pairs",
            "string",
            "internal",
            re.compile(r"(.+?)_int_(.+?)_v6_ip_\d+"),
        ],
        [
            "allowed_address_pairs",
            "string",
            "internal",
            re.compile(r"(.+?)_int_(.+?)_ip_\d+"),
        ],
        ["allowed_address_pairs", "string", "external", re.compile(r"(.+?)_v6_ip_\d+")],
        ["allowed_address_pairs", "string", "external", re.compile(r"(.+?)_ip_\d+")],
        [
            "allowed_address_pairs",
            "comma_delimited_list",
            "internal",
            re.compile(r"(.+?)_int_(.+?)_v6_ips"),
        ],
        [
            "allowed_address_pairs",
            "comma_delimited_list",
            "internal",
            re.compile(r"(.+?)_int_(.+?)_ips"),
        ],
        [
            "allowed_address_pairs",
            "comma_delimited_list",
            "external",
            re.compile(r"(.+?)_v6_ips"),
        ],
        [
            "allowed_address_pairs",
            "comma_delimited_list",
            "external",
            re.compile(r"(.+?)_ips"),
        ],
    ]

    with open(heat_template) as fh:
        yml = yaml.load(fh)

    # skip if resources are not defined
    if "resources" not in yml:
        pytest.skip("No resources specified in the heat template")

    # check both valid and invalid patterns to catch edge cases
    invalid_allowed_address_pairs = []

    for v1 in yml["resources"].values():
        if (
            not isinstance(v1, dict) or
                "properties" not in v1 or
                v1.get("type") != "OS::Neutron::Port" or
                property_uses_get_resource(v1, "network")
        ):
            continue
        network_role = get_network_role_from_port(v1)

        v2 = v1["properties"].get("allowed_address_pairs", {})
        for v3 in v2:
            if "ip_address" not in v3 or "get_param" not in v3["ip_address"]:
                continue

            param = v3["ip_address"]["get_param"]
            if isinstance(param, list):
                param = param[0]

            for v4 in allowed_formats:
                # check if pattern matches
                m = v4[3].match(param)
                if m:
                    if (
                        v4[2] == "internal" and
                            len(m.groups()) > 1 and
                            m.group(2) == network_role
                    ):
                        break
                    elif (
                        v4[2] == "external"
                        and len(m.groups()) > 0
                        and m.group(1).endswith("_" + network_role)
                    ):
                        break
            else:
                invalid_allowed_address_pairs.append(param)

    assert not set(
        invalid_allowed_address_pairs
    ), "invalid_allowed_address_pairs %s" % list(set(invalid_allowed_address_pairs))