from re import search
from unittest import mock

from tests.providers.gcp.gcp_fixtures import GCP_PROJECT_ID, set_mocked_gcp_provider


class Test_compute_instance_ip_forwarding_is_enabled:
    def test_compute_no_instances(self):
        compute_client = mock.MagicMock()
        compute_client.instances = []

        with (
            mock.patch(
                "prowler.providers.common.provider.Provider.get_global_provider",
                return_value=set_mocked_gcp_provider(),
            ),
            mock.patch(
                "prowler.providers.gcp.services.compute.compute_instance_ip_forwarding_is_enabled.compute_instance_ip_forwarding_is_enabled.compute_client",
                new=compute_client,
            ),
        ):
            from prowler.providers.gcp.services.compute.compute_instance_ip_forwarding_is_enabled.compute_instance_ip_forwarding_is_enabled import (
                compute_instance_ip_forwarding_is_enabled,
            )

            check = compute_instance_ip_forwarding_is_enabled()
            result = check.execute()
            assert len(result) == 0

    def test_one_compliant_instance(self):
        from prowler.providers.gcp.services.compute.compute_service import Instance

        instance = Instance(
            name="test",
            id="1234567890",
            zone="us-central1-a",
            region="us-central1",
            public_ip=True,
            metadata={},
            shielded_enabled_vtpm=True,
            shielded_enabled_integrity_monitoring=True,
            confidential_computing=True,
            service_accounts=[{"email": "123-compute@developer.gserviceaccount.com"}],
            ip_forward=False,
            disks_encryption=[("disk1", False), ("disk2", False)],
            project_id=GCP_PROJECT_ID,
        )

        compute_client = mock.MagicMock()
        compute_client.project_ids = [GCP_PROJECT_ID]
        compute_client.instances = [instance]

        with (
            mock.patch(
                "prowler.providers.common.provider.Provider.get_global_provider",
                return_value=set_mocked_gcp_provider(),
            ),
            mock.patch(
                "prowler.providers.gcp.services.compute.compute_instance_ip_forwarding_is_enabled.compute_instance_ip_forwarding_is_enabled.compute_client",
                new=compute_client,
            ),
        ):
            from prowler.providers.gcp.services.compute.compute_instance_ip_forwarding_is_enabled.compute_instance_ip_forwarding_is_enabled import (
                compute_instance_ip_forwarding_is_enabled,
            )

            check = compute_instance_ip_forwarding_is_enabled()
            result = check.execute()

            assert len(result) == 1
            assert result[0].status == "PASS"
            assert search(
                f"The IP Forwarding of VM Instance {instance.name} is not enabled",
                result[0].status_extended,
            )
            assert result[0].resource_id == instance.id
            assert result[0].location == "us-central1"

    def test_one_compliant_instance_gke(self):
        from prowler.providers.gcp.services.compute.compute_service import Instance

        instance = Instance(
            name="gke-test",
            id="1234567890",
            zone="us-central1-a",
            region="us-central1",
            public_ip=True,
            metadata={},
            shielded_enabled_vtpm=True,
            shielded_enabled_integrity_monitoring=True,
            confidential_computing=True,
            service_accounts=[
                {"email": f"{GCP_PROJECT_ID}-compute@developer.gserviceaccount.com"}
            ],
            ip_forward=True,
            disks_encryption=[("disk1", False), ("disk2", False)],
            project_id=GCP_PROJECT_ID,
        )

        compute_client = mock.MagicMock()
        compute_client.project_ids = [GCP_PROJECT_ID]
        compute_client.instances = [instance]

        with (
            mock.patch(
                "prowler.providers.common.provider.Provider.get_global_provider",
                return_value=set_mocked_gcp_provider(),
            ),
            mock.patch(
                "prowler.providers.gcp.services.compute.compute_instance_ip_forwarding_is_enabled.compute_instance_ip_forwarding_is_enabled.compute_client",
                new=compute_client,
            ),
        ):
            from prowler.providers.gcp.services.compute.compute_instance_ip_forwarding_is_enabled.compute_instance_ip_forwarding_is_enabled import (
                compute_instance_ip_forwarding_is_enabled,
            )

            check = compute_instance_ip_forwarding_is_enabled()
            result = check.execute()

            assert len(result) == 1
            assert result[0].status == "PASS"
            assert search(
                f"The IP Forwarding of VM Instance {instance.name} is not enabled",
                result[0].status_extended,
            )
            assert result[0].resource_id == instance.id
            assert result[0].location == "us-central1"

    def test_instance_with_ip_forwarding_enabled(self):
        from prowler.providers.gcp.services.compute.compute_service import Instance

        instance = Instance(
            name="test",
            id="1234567890",
            zone="us-central1-a",
            region="us-central1",
            public_ip=True,
            metadata={},
            shielded_enabled_vtpm=True,
            shielded_enabled_integrity_monitoring=True,
            confidential_computing=True,
            service_accounts=[
                {"email": f"{GCP_PROJECT_ID}-compute@developer.gserviceaccount.com"}
            ],
            ip_forward=True,
            disks_encryption=[("disk1", False), ("disk2", False)],
            project_id=GCP_PROJECT_ID,
        )

        compute_client = mock.MagicMock()
        compute_client.project_ids = [GCP_PROJECT_ID]
        compute_client.instances = [instance]

        with (
            mock.patch(
                "prowler.providers.common.provider.Provider.get_global_provider",
                return_value=set_mocked_gcp_provider(),
            ),
            mock.patch(
                "prowler.providers.gcp.services.compute.compute_instance_ip_forwarding_is_enabled.compute_instance_ip_forwarding_is_enabled.compute_client",
                new=compute_client,
            ),
        ):
            from prowler.providers.gcp.services.compute.compute_instance_ip_forwarding_is_enabled.compute_instance_ip_forwarding_is_enabled import (
                compute_instance_ip_forwarding_is_enabled,
            )

            check = compute_instance_ip_forwarding_is_enabled()
            result = check.execute()

            assert len(result) == 1
            assert result[0].status == "FAIL"
            assert search(
                f"The IP Forwarding of VM Instance {instance.name} is enabled",
                result[0].status_extended,
            )
            assert result[0].resource_id == instance.id
            assert result[0].location == "us-central1"
