from unittest import mock

from boto3 import client, session
from moto import mock_ec2

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_vpc_different_regions:
    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="us-east-1",
            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_ec2
    def test_vpc_different_regions(self):
        # VPC Region 1
        ec2_client = client("ec2", region_name=AWS_REGION)
        ec2_client.create_vpc(CidrBlock="172.28.7.0/24", InstanceTenancy="default")
        # VPC Region 2
        ec2_client_eu = client("ec2", region_name="eu-west-1")
        ec2_client_eu.create_vpc(CidrBlock="172.28.7.0/24", InstanceTenancy="default")

        from prowler.providers.aws.services.vpc.vpc_service import VPC

        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,
        ):
            with mock.patch(
                "prowler.providers.aws.services.vpc.vpc_different_regions.vpc_different_regions.vpc_client",
                new=VPC(current_audit_info),
            ):
                # Test Check
                from prowler.providers.aws.services.vpc.vpc_different_regions.vpc_different_regions import (
                    vpc_different_regions,
                )

                check = vpc_different_regions()
                result = check.execute()

                assert len(result) == 1
                assert result[0].status == "PASS"
                assert result[0].region == "us-east-1"
                assert (
                    result[0].status_extended == "VPCs found in more than one region."
                )
                assert result[0].resource_id == AWS_ACCOUNT_NUMBER
                assert result[0].resource_tags == []

    @mock_ec2
    def test_vpc_only_one_regions(self):
        ec2_client = client("ec2", region_name=AWS_REGION)
        # VPC Region 1
        ec2_client.create_vpc(CidrBlock="172.28.6.0/24", InstanceTenancy="default")

        from prowler.providers.aws.services.vpc.vpc_service import VPC

        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,
        ):
            with mock.patch(
                "prowler.providers.aws.services.vpc.vpc_different_regions.vpc_different_regions.vpc_client",
                new=VPC(current_audit_info),
            ):
                # Test Check
                from prowler.providers.aws.services.vpc.vpc_different_regions.vpc_different_regions import (
                    vpc_different_regions,
                )

                check = vpc_different_regions()
                result = check.execute()

                assert len(result) == 1
                assert result[0].status == "FAIL"
                assert result[0].region == "us-east-1"
                assert result[0].status_extended == "VPCs found only in one region."
                assert result[0].resource_id == AWS_ACCOUNT_NUMBER
                assert result[0].resource_tags == []
