# -*- coding: utf-8 -*-
# (c) 2016, Tom Melendez <tom@supertom.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.

from __future__ import absolute_import, division, print_function

import unittest
from ansible_collections.google.cloud.plugins.module_utils.gcp_utils import (
    GcpRequest,
    navigate_hash,
    remove_nones_from_dict,
    replace_resource_dict,
)

__metaclass__ = type


class ReplaceResourceDictTestCase(unittest.TestCase):
    def test_given_dict(self):
        value = {"selfLink": "value"}
        self.assertEqual(replace_resource_dict(value, "selfLink"), value["selfLink"])

    def test_given_array(self):
        value = {"selfLink": "value"}
        self.assertEqual(
            replace_resource_dict([value] * 3, "selfLink"), [value["selfLink"]] * 3
        )


class NavigateHashTestCase(unittest.TestCase):
    def test_one_level(self):
        value = {"key": "value"}
        self.assertEqual(navigate_hash(value, ["key"]), value["key"])

    def test_multilevel(self):
        value = {"key": {"key2": "value"}}
        self.assertEqual(navigate_hash(value, ["key", "key2"]), value["key"]["key2"])

    def test_default(self):
        value = {"key": "value"}
        default = "not found"
        self.assertEqual(navigate_hash(value, ["key", "key2"], default), default)


class RemoveNonesFromDictTestCase(unittest.TestCase):
    def test_remove_nones(self):
        value = {"key": None, "good": "value"}
        value_correct = {"good": "value"}
        self.assertEqual(remove_nones_from_dict(value), value_correct)

    def test_remove_empty_arrays(self):
        value = {"key": [], "good": "value"}
        value_correct = {"good": "value"}
        self.assertEqual(remove_nones_from_dict(value), value_correct)

    def test_remove_empty_dicts(self):
        value = {"key": {}, "good": "value"}
        value_correct = {"good": "value"}
        self.assertEqual(remove_nones_from_dict(value), value_correct)


class GCPRequestDifferenceTestCase(unittest.TestCase):
    def test_simple_no_difference(self):
        value1 = {"foo": "bar", "test": "original"}
        request = GcpRequest(value1)
        self.assertEqual(request, request)

    def test_simple_different(self):
        value1 = {"foo": "bar", "test": "original"}
        value2 = {"foo": "bar", "test": "different"}
        difference = {"test": "original"}
        request1 = GcpRequest(value1)
        request2 = GcpRequest(value2)
        self.assertNotEquals(request1, request2)
        self.assertEqual(request1.difference(request2), difference)

    def test_nested_dictionaries_no_difference(self):
        value1 = {"foo": {"quiet": {"tree": "test"}, "bar": "baz"}, "test": "original"}
        request = GcpRequest(value1)
        self.assertEqual(request, request)

    def test_nested_dictionaries_with_difference(self):
        value1 = {"foo": {"quiet": {"tree": "test"}, "bar": "baz"}, "test": "original"}
        value2 = {"foo": {"quiet": {"tree": "baz"}, "bar": "hello"}, "test": "original"}
        difference = {"foo": {"quiet": {"tree": "test"}, "bar": "baz"}}
        request1 = GcpRequest(value1)
        request2 = GcpRequest(value2)
        self.assertNotEquals(request1, request2)
        self.assertEqual(request1.difference(request2), difference)

    def test_arrays_strings_no_difference(self):
        value1 = {"foo": ["baz", "bar"]}
        request = GcpRequest(value1)
        self.assertEqual(request, request)

    def test_arrays_strings_with_difference(self):
        value1 = {
            "foo": [
                "baz",
                "bar",
            ]
        }

        value2 = {"foo": ["baz", "hello"]}
        difference = {
            "foo": [
                "bar",
            ]
        }
        request1 = GcpRequest(value1)
        request2 = GcpRequest(value2)
        self.assertNotEquals(request1, request2)
        self.assertEqual(request1.difference(request2), difference)

    def test_arrays_dicts_with_no_difference(self):
        value1 = {"foo": [{"test": "value", "foo": "bar"}, {"different": "dict"}]}
        request = GcpRequest(value1)
        self.assertEqual(request, request)

    def test_arrays_dicts_with_difference(self):
        value1 = {"foo": [{"test": "value", "foo": "bar"}, {"different": "dict"}]}
        value2 = {
            "foo": [
                {"test": "value2", "foo": "bar2"},
            ]
        }
        difference = {"foo": [{"test": "value", "foo": "bar"}]}
        request1 = GcpRequest(value1)
        request2 = GcpRequest(value2)
        self.assertNotEquals(request1, request2)
        self.assertEqual(request1.difference(request2), difference)
