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

import os

import pytest
from tests import cached_yaml as yaml

from .helpers import validates
from .utils.nested_files import get_list_of_nested_files

VERSION = '1.0.0'


@validates('R-00011')
def test_nested_parameter(yaml_file):
    '''
    A VNF's Heat Orchestration Template's Nested YAML file's
    parameter's **MUST NOT** have a parameter constraint defined.

    '''
    with open(yaml_file) as fh:
        yml = yaml.load(fh)
    dirname = os.path.dirname(yaml_file)
    nested_files = get_list_of_nested_files(yml, dirname)
    if nested_files:
        for filename in nested_files:
            with open(filename) as fh:
                template = yaml.load(fh)
            parameters = template.get('parameters')
            if parameters and isinstance(parameters, dict):
                for param, value in parameters.items():
                    if isinstance(value, dict):
                        assert 'constraints' not in value, (
                            '%s parameter "%s" has "constraints"' % (
                                filename,
                                param))
    else:
        pytest.skip('No nested files')