from unittest import mock

from boto3 import client, session
from moto import mock_apigateway, mock_wafv2

from prowler.providers.aws.lib.audit_info.models import AWS_Audit_Info
from prowler.providers.common.models import Audit_Metadata

AWS_REGION = "us-east-1"
AWS_ACCOUNT_NUMBER = "123456789012"


class Test_apigateway_restapi_waf_acl_attached:
    def set_mocked_audit_info(self):
        audit_info = AWS_Audit_Info(
            session_config=None,
            original_session=None,
            audit_session=session.Session(
                profile_name=None,
                botocore_session=None,
            ),
            audited_account=AWS_ACCOUNT_NUMBER,
            audited_account_arn=f"arn:aws:iam::{AWS_ACCOUNT_NUMBER}:root",
            audited_user_id=None,
            audited_partition="aws",
            audited_identity_arn=None,
            profile=None,
            profile_region=None,
            credentials=None,
            assumed_role_info=None,
            audited_regions=["us-east-1", "eu-west-1"],
            organizations_metadata=None,
            audit_resources=None,
            mfa_enabled=False,
            audit_metadata=Audit_Metadata(
                services_scanned=0,
                expected_checks=[],
                completed_checks=0,
                audit_progress=0,
            ),
        )

        return audit_info

    @mock_apigateway
    def test_apigateway_no_rest_apis(self):
        from prowler.providers.aws.services.apigateway.apigateway_service import (
            APIGateway,
        )

        current_audit_info = self.set_mocked_audit_info()

        with mock.patch(
            "prowler.providers.aws.lib.audit_info.audit_info.current_audit_info",
            new=current_audit_info,
        ), mock.patch(
            "prowler.providers.aws.services.apigateway.apigateway_restapi_waf_acl_attached.apigateway_restapi_waf_acl_attached.apigateway_client",
            new=APIGateway(current_audit_info),
        ):
            # Test Check
            from prowler.providers.aws.services.apigateway.apigateway_restapi_waf_acl_attached.apigateway_restapi_waf_acl_attached import (
                apigateway_restapi_waf_acl_attached,
            )

            check = apigateway_restapi_waf_acl_attached()
            result = check.execute()

            assert len(result) == 0

    @mock_apigateway
    @mock_wafv2
    def test_apigateway_one_rest_api_with_waf(self):
        # Create APIGateway Mocked Resources
        apigateway_client = client("apigateway", region_name=AWS_REGION)
        waf_client = client("wafv2", region_name=AWS_REGION)
        rest_api = apigateway_client.create_rest_api(
            name="test-rest-api",
        )
        # Get the rest api's root id
        root_resource_id = apigateway_client.get_resources(restApiId=rest_api["id"])[
            "items"
        ][0]["id"]
        resource = apigateway_client.create_resource(
            restApiId=rest_api["id"],
            parentId=root_resource_id,
            pathPart="test-path",
        )
        apigateway_client.put_method(
            restApiId=rest_api["id"],
            resourceId=resource["id"],
            httpMethod="GET",
            authorizationType="NONE",
        )
        apigateway_client.put_integration(
            restApiId=rest_api["id"],
            resourceId=resource["id"],
            httpMethod="GET",
            type="HTTP",
            integrationHttpMethod="POST",
            uri="http://test.com",
        )
        apigateway_client.create_deployment(
            restApiId=rest_api["id"],
            stageName="test",
        )
        waf_arn = waf_client.create_web_acl(
            Name="test",
            Scope="REGIONAL",
            DefaultAction={"Allow": {}},
            VisibilityConfig={
                "SampledRequestsEnabled": False,
                "CloudWatchMetricsEnabled": False,
                "MetricName": "idk",
            },
        )["Summary"]["ARN"]
        waf_client.associate_web_acl(
            WebACLArn=waf_arn,
            ResourceArn=f"arn:aws:apigateway:{apigateway_client.meta.region_name}::/restapis/{rest_api['id']}/stages/test",
        )

        from prowler.providers.aws.services.apigateway.apigateway_service import (
            APIGateway,
        )

        current_audit_info = self.set_mocked_audit_info()

        with mock.patch(
            "prowler.providers.aws.lib.audit_info.audit_info.current_audit_info",
            new=current_audit_info,
        ), mock.patch(
            "prowler.providers.aws.services.apigateway.apigateway_restapi_waf_acl_attached.apigateway_restapi_waf_acl_attached.apigateway_client",
            new=APIGateway(current_audit_info),
        ):
            # Test Check
            from prowler.providers.aws.services.apigateway.apigateway_restapi_waf_acl_attached.apigateway_restapi_waf_acl_attached import (
                apigateway_restapi_waf_acl_attached,
            )

            check = apigateway_restapi_waf_acl_attached()
            result = check.execute()

            assert result[0].status == "PASS"
            assert len(result) == 1
            assert (
                result[0].status_extended
                == f"API Gateway test-rest-api ID {rest_api['id']} in stage test has {waf_arn} WAF ACL attached."
            )
            assert result[0].resource_id == "test-rest-api"
            assert (
                result[0].resource_arn
                == f"arn:{current_audit_info.audited_partition}:apigateway:{AWS_REGION}::/restapis/{rest_api['id']}/stages/test"
            )
            assert result[0].region == AWS_REGION
            assert result[0].resource_tags == [None]

    @mock_apigateway
    def test_apigateway_one_rest_api_without_waf(self):
        # Create APIGateway Mocked Resources
        apigateway_client = client("apigateway", region_name=AWS_REGION)
        # Create APIGateway Rest API
        rest_api = apigateway_client.create_rest_api(
            name="test-rest-api",
        )
        # Get the rest api's root id
        root_resource_id = apigateway_client.get_resources(restApiId=rest_api["id"])[
            "items"
        ][0]["id"]
        resource = apigateway_client.create_resource(
            restApiId=rest_api["id"],
            parentId=root_resource_id,
            pathPart="test-path",
        )
        apigateway_client.put_method(
            restApiId=rest_api["id"],
            resourceId=resource["id"],
            httpMethod="GET",
            authorizationType="NONE",
        )
        apigateway_client.put_integration(
            restApiId=rest_api["id"],
            resourceId=resource["id"],
            httpMethod="GET",
            type="HTTP",
            integrationHttpMethod="POST",
            uri="http://test.com",
        )
        apigateway_client.create_deployment(
            restApiId=rest_api["id"],
            stageName="test",
        )

        from prowler.providers.aws.services.apigateway.apigateway_service import (
            APIGateway,
        )

        current_audit_info = self.set_mocked_audit_info()

        with mock.patch(
            "prowler.providers.aws.lib.audit_info.audit_info.current_audit_info",
            new=current_audit_info,
        ), mock.patch(
            "prowler.providers.aws.services.apigateway.apigateway_restapi_waf_acl_attached.apigateway_restapi_waf_acl_attached.apigateway_client",
            new=APIGateway(current_audit_info),
        ):
            # Test Check
            from prowler.providers.aws.services.apigateway.apigateway_restapi_waf_acl_attached.apigateway_restapi_waf_acl_attached import (
                apigateway_restapi_waf_acl_attached,
            )

            check = apigateway_restapi_waf_acl_attached()
            result = check.execute()

            assert result[0].status == "FAIL"
            assert len(result) == 1
            assert (
                result[0].status_extended
                == f"API Gateway test-rest-api ID {rest_api['id']} in stage test does not have WAF ACL attached."
            )
            assert result[0].resource_id == "test-rest-api"
            assert (
                result[0].resource_arn
                == f"arn:{current_audit_info.audited_partition}:apigateway:{AWS_REGION}::/restapis/{rest_api['id']}/stages/test"
            )
            assert result[0].region == AWS_REGION
            assert result[0].resource_tags == [None]
