from unittest.mock import patch

import botocore
from boto3 import client
from moto import mock_aws

from tests.providers.aws.utils import (
    AWS_ACCOUNT_NUMBER,
    AWS_REGION_EU_WEST_1,
    set_mocked_aws_provider,
)

orig = botocore.client.BaseClient._make_api_call


def mock_make_api_call(self, operation_name, kwarg):
    if operation_name == "GetDetector":
        return {
            "CreatedAt": "2021-01-01T00:00:00Z",
            "FindingPublishingFrequency": "FIFTEEN_MINUTES",
            "ServiceRole": "AWSServiceRoleForAmazonGuardDuty",
            "Status": "ENABLED",
            "UpdatedAt": "2021-01-01T00:00:00Z",
            "DataSources": {
                "S3Logs": {
                    "Enable": False,
                },
                "CloudTrail": {
                    "Enable": False,
                },
                "DNSLogs": {
                    "Enable": False,
                },
                "MalwareProtection": {
                    "ScanEc2InstanceWithFindings": {
                        "EbsVolumes": {"Status": "ENABLED"},
                    },
                },
            },
        }
    # If we don't want to patch the API call
    return orig(self, operation_name, kwarg)


class Test_guardduty_ec2_malware_protection_enabled:
    def test_no_detectors(self):
        aws_provider = set_mocked_aws_provider([AWS_REGION_EU_WEST_1])

        from prowler.providers.aws.services.guardduty.guardduty_service import GuardDuty

        with (
            patch(
                "prowler.providers.common.provider.Provider.get_global_provider",
                return_value=aws_provider,
            ),
            patch(
                "prowler.providers.aws.services.guardduty.guardduty_ec2_malware_protection_enabled.guardduty_ec2_malware_protection_enabled.guardduty_client",
                new=GuardDuty(aws_provider),
            ),
        ):
            # Test Check
            from prowler.providers.aws.services.guardduty.guardduty_ec2_malware_protection_enabled.guardduty_ec2_malware_protection_enabled import (
                guardduty_ec2_malware_protection_enabled,
            )

            check = guardduty_ec2_malware_protection_enabled()
            result = check.execute()

            assert len(result) == 0

    @mock_aws
    def test_detector_disabled(self):
        guardduty_client = client("guardduty", region_name=AWS_REGION_EU_WEST_1)

        guardduty_client.create_detector(Enable=False)

        aws_provider = set_mocked_aws_provider([AWS_REGION_EU_WEST_1])

        from prowler.providers.aws.services.guardduty.guardduty_service import GuardDuty

        with (
            patch(
                "prowler.providers.common.provider.Provider.get_global_provider",
                return_value=aws_provider,
            ),
            patch(
                "prowler.providers.aws.services.guardduty.guardduty_ec2_malware_protection_enabled.guardduty_ec2_malware_protection_enabled.guardduty_client",
                new=GuardDuty(aws_provider),
            ),
        ):
            # Test Check
            from prowler.providers.aws.services.guardduty.guardduty_ec2_malware_protection_enabled.guardduty_ec2_malware_protection_enabled import (
                guardduty_ec2_malware_protection_enabled,
            )

            check = guardduty_ec2_malware_protection_enabled()
            result = check.execute()

            assert len(result) == 0

    @patch("botocore.client.BaseClient._make_api_call", new=mock_make_api_call)
    @mock_aws
    def test_detector_malware_protection_enabled(self):
        guardduty_client = client("guardduty", region_name=AWS_REGION_EU_WEST_1)

        detector_id = guardduty_client.create_detector(
            Enable=True,
            DataSources={
                "MalwareProtection": {
                    "ScanEc2InstanceWithFindings": {"EbsVolumes": True}
                }
            },
        )["DetectorId"]

        aws_provider = set_mocked_aws_provider([AWS_REGION_EU_WEST_1])

        from prowler.providers.aws.services.guardduty.guardduty_service import GuardDuty

        with (
            patch(
                "prowler.providers.common.provider.Provider.get_global_provider",
                return_value=aws_provider,
            ),
            patch(
                "prowler.providers.aws.services.guardduty.guardduty_ec2_malware_protection_enabled.guardduty_ec2_malware_protection_enabled.guardduty_client",
                new=GuardDuty(aws_provider),
            ),
        ):
            # Test Check
            from prowler.providers.aws.services.guardduty.guardduty_ec2_malware_protection_enabled.guardduty_ec2_malware_protection_enabled import (
                guardduty_ec2_malware_protection_enabled,
            )

            check = guardduty_ec2_malware_protection_enabled()
            result = check.execute()

            assert len(result) == 1
            assert result[0].status == "PASS"
            assert (
                result[0].status_extended
                == f"GuardDuty detector {detector_id} has Malware Protection for EC2 enabled."
            )
            assert result[0].resource_id == detector_id
            assert result[0].region == AWS_REGION_EU_WEST_1
            assert (
                result[0].resource_arn
                == f"arn:aws:guardduty:{AWS_REGION_EU_WEST_1}:{AWS_ACCOUNT_NUMBER}:detector/{detector_id}"
            )
            assert result[0].resource_tags == []

    @mock_aws
    def test_detector_malware_protection_disabled(self):
        guardduty_client = client("guardduty", region_name=AWS_REGION_EU_WEST_1)

        detector_id = guardduty_client.create_detector(
            Enable=True,
            DataSources={
                "MalwareProtection": {
                    "ScanEc2InstanceWithFindings": {"EbsVolumes": False}
                }
            },
        )["DetectorId"]

        aws_provider = set_mocked_aws_provider([AWS_REGION_EU_WEST_1])

        from prowler.providers.aws.services.guardduty.guardduty_service import GuardDuty

        with (
            patch(
                "prowler.providers.common.provider.Provider.get_global_provider",
                return_value=aws_provider,
            ),
            patch(
                "prowler.providers.aws.services.guardduty.guardduty_ec2_malware_protection_enabled.guardduty_ec2_malware_protection_enabled.guardduty_client",
                new=GuardDuty(aws_provider),
            ),
        ):
            # Test Check
            from prowler.providers.aws.services.guardduty.guardduty_ec2_malware_protection_enabled.guardduty_ec2_malware_protection_enabled import (
                guardduty_ec2_malware_protection_enabled,
            )

            check = guardduty_ec2_malware_protection_enabled()
            result = check.execute()

            assert len(result) == 1
            assert result[0].status == "FAIL"
            assert (
                result[0].status_extended
                == f"GuardDuty detector {detector_id} does not have Malware Protection for EC2 enabled."
            )
            assert result[0].resource_id == detector_id
            assert result[0].region == AWS_REGION_EU_WEST_1
            assert (
                result[0].resource_arn
                == f"arn:aws:guardduty:{AWS_REGION_EU_WEST_1}:{AWS_ACCOUNT_NUMBER}:detector/{detector_id}"
            )
            assert result[0].resource_tags == []
