# -*- coding: utf8 -*-
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# org.onap.vvp/validation-scripts
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"""test
"""

import re

import pytest
from tests import cached_yaml as yaml

from .helpers import validates

VERSION = '1.1.0'


@validates('R-98450')
def test_availability_zone_naming(heat_template):
    '''
    Make sure all availability zones are properly formatted
    '''

    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")

    invalid_availability_zones = set()

    for k1, v1 in yml["resources"].items():
        if not isinstance(v1, dict):
            continue
        if "properties" not in v1:
            continue
        if "type" not in v1:
            continue

        if v1["type"] == "OS::Nova::Server":
            for k2, v2 in v1["properties"].items():
                if k2 != 'availability_zone':
                    continue
                if 'str_replace' in v2:
                    continue
                if "get_param" not in v2:
                    invalid_availability_zones.add(k1)
                elif not re.match(r'availability_zone_\d+', v2["get_param"]):
                    invalid_availability_zones.add(v2["get_param"])

    assert not invalid_availability_zones, (
        'invalid availability zones %s' % list(
            invalid_availability_zones))