#!/usr/bin/env python
# encoding: utf-8

import json

import mock

from ec2stack.helpers import read_file, generate_signature
from . import Ec2StackAppTestCase


class InstancesTestCase(Ec2StackAppTestCase):
    def test_describe_instances(self):
        data = self.get_example_data()
        data['Action'] = 'DescribeInstances'
        data['Signature'] = generate_signature(data, 'POST', 'localhost')

        get = mock.Mock()
        get.return_value.text = read_file(
            'tests/data/valid_describe_instances.json'
        )
        get.return_value.status_code = 200

        with mock.patch('requests.get', get):
            response = self.post(
                '/',
                data=data
            )

        self.assert_ok(response)
        assert 'DescribeInstancesResponse' in response.data

    def test_describe_instance_by_id(self):
        data = self.get_example_data()
        data['Action'] = 'DescribeInstances'
        data['InstanceId.1'] = 'aa10a43e-56db-4a34-88bd-1c2a51c0bc04'
        data['Signature'] = generate_signature(data, 'POST', 'localhost')

        get = mock.Mock()
        get.return_value.text = read_file(
            'tests/data/valid_describe_instances.json'
        )
        get.return_value.status_code = 200

        with mock.patch('requests.get', get):
            response = self.post(
                '/',
                data=data
            )

        self.assert_ok(response)
        assert 'DescribeInstancesResponse' in response.data
        assert 'aa10a43e-56db-4a34-88bd-1c2a51c0bc04' in response.data

    def test_invalid_describe_instance_by_id(self):
        data = self.get_example_data()
        data['Action'] = 'DescribeInstances'
        data['InstanceId.1'] = 'invalid-instance-id'
        data['Signature'] = generate_signature(data, 'POST', 'localhost')

        get = mock.Mock()
        get.return_value.text = read_file(
            'tests/data/valid_describe_instances.json'
        )
        get.return_value.status_code = 200

        with mock.patch('requests.get', get):
            response = self.post(
                '/',
                data=data
            )

        self.assert_bad_request(response)
        assert 'InvalidInstanceId.NotFound' in response.data

    def test_empty_response_describe_instance_by_id(self):
        data = self.get_example_data()
        data['Action'] = 'DescribeInstances'
        data['InstanceId.1'] = 'invalid-instance-id'
        data['Signature'] = generate_signature(data, 'POST', 'localhost')

        get = mock.Mock()
        get.return_value.text = read_file(
            'tests/data/empty_describe_instances.json'
        )
        get.return_value.status_code = 200

        with mock.patch('requests.get', get):
            response = self.post(
                '/',
                data=data
            )

        self.assert_bad_request(response)
        assert 'InvalidInstanceId.NotFound' in response.data

    def test_describe_instance_attribute(self):
        data = self.get_example_data()
        data['Action'] = 'DescribeInstanceAttribute'
        data['InstanceId'] = '43791f77-26f8-48ca-b557-3a9392f735ae'
        data['Attribute'] = 'name'
        data['Signature'] = generate_signature(data, 'POST', 'localhost')

        get = mock.Mock()
        get.return_value.text = read_file(
            'tests/data/valid_describe_instance.json'
        )
        get.return_value.status_code = 200

        with mock.patch('requests.get', get):
            response = self.post(
                '/',
                data=data
            )

        self.assert_ok(response)
        assert 'DescribeInstanceAttributeResponse' in response.data

    def test_describe_invalid_instance_attribute(self):
        data = self.get_example_data()
        data['Action'] = 'DescribeInstanceAttribute'
        data['InstanceId'] = '43791f77-26f8-48ca-b557-3a9392f735ae'
        data['Attribute'] = 'invalid_attribute'
        data['Signature'] = generate_signature(data, 'POST', 'localhost')

        get = mock.Mock()
        get.return_value.text = read_file(
            'tests/data/valid_describe_instance.json'
        )
        get.return_value.status_code = 200

        with mock.patch('requests.get', get):
            response = self.post(
                '/',
                data=data
            )

        self.assert_bad_request(response)
        assert 'InvalidParameterValue' in response.data

    def test_describe_instance_attribute(self):
        data = self.get_example_data()
        data['Action'] = 'DescribeInstanceAttribute'
        data['InstanceId'] = '43791f77-26f8-48ca-b557-3a9392f735ae'
        data['Attribute'] = 'name'
        data['Signature'] = generate_signature(data, 'POST', 'localhost')

        get = mock.Mock()
        get.return_value.text = read_file(
            'tests/data/valid_describe_instance.json'
        )
        get.return_value.status_code = 200

        with mock.patch('requests.get', get):
            response = self.post(
                '/',
                data=data
            )

        self.assert_ok(response)
        assert 'DescribeInstanceAttributeResponse' in response.data

    def test_run_instance(self):
        data = self.get_example_data()
        data['Action'] = 'RunInstances'
        data['ImageId'] = 'image-id'
        data['Placement.AvailabilityZone'] = 'Sandbox-simulator'
        data['InstanceType'] = 'Small Instance'
        data['Signature'] = generate_signature(data, 'POST', 'localhost')

        get = mock.Mock()
        get.return_value.text = read_file(
            'tests/data/valid_run_instance.json'
        )
        get.return_value.status_code = 200

        get_service_offering = mock.Mock()
        get_service_offering.return_value = json.loads(read_file(
            'tests/data/service_offering_search.json'
        ))

        get_zone = mock.Mock()
        get_zone.return_value = json.loads(read_file(
            'tests/data/zones_search.json'
        ))

        with mock.patch('requests.get', get):
            with mock.patch(
                    'ec2stack.providers.cloudstack.service_offerings.get_service_offering',
                    get_service_offering
            ):
                with mock.patch(
                        'ec2stack.providers.cloudstack.zones.get_zone',
                        get_zone
                ):
                    response = self.post(
                        '/',
                        data=data
                    )

        self.assert_ok(response)
        assert 'RunInstancesResponse' in response.data