# ------------------------------------
# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.
# ------------------------------------
import os

import pytest
from azure.keyvault.administration import ApiVersion
from azure.keyvault.administration._internal.client_base import DEFAULT_VERSION
from azure.identity.aio import ManagedIdentityCredential
from devtools_testutils import AzureRecordedTestCase


class BaseClientPreparer(AzureRecordedTestCase):
    def __init__(self, **kwargs) -> None:
        hsm_playback_url = "https://managedhsmvaultname.managedhsm.azure.net"
        container_playback_uri = "https://storagename.blob.core.windows.net/container"
        playback_sas_token = "fake-sas"

        if self.is_live:
            hsm = os.environ.get("AZURE_MANAGEDHSM_URL")
            self.managed_hsm_url = hsm if hsm else None
            storage_url = os.environ.get("BLOB_STORAGE_URL")
            container_name = os.environ.get("BLOB_CONTAINER_NAME")
            self.container_uri = f"{storage_url}/{container_name}"

            self.sas_token = os.environ.get("BLOB_STORAGE_SAS_TOKEN")
            
        else:
            self.managed_hsm_url = hsm_playback_url
            self.container_uri = container_playback_uri
            self.sas_token = playback_sas_token

        self.managed_identity_client_id = os.environ.get("MANAGED_IDENTITY_CLIENT_ID")
        use_pwsh = os.environ.get("AZURE_TEST_USE_PWSH_AUTH", "false")
        use_cli = os.environ.get("AZURE_TEST_USE_CLI_AUTH", "false")
        use_vscode = os.environ.get("AZURE_TEST_USE_VSCODE_AUTH", "false")
        use_azd = os.environ.get("AZURE_TEST_USE_AZD_AUTH", "false")
        # Only set service principal credentials if user-based auth is not requested
        if use_pwsh == use_cli == use_vscode == use_azd == "false":
            self._set_mgmt_settings_real_values()
    
    def _skip_if_not_configured(self, api_version, **kwargs):
        if self.is_live and api_version != DEFAULT_VERSION:
            pytest.skip("This test only uses the default API version for live tests")
        if self.is_live and self.managed_hsm_url is None:
            pytest.skip("No HSM endpoint for live testing")

    def _set_mgmt_settings_real_values(self):
        if self.is_live:
            os.environ["AZURE_TENANT_ID"] = os.getenv("KEYVAULT_TENANT_ID", "")  # empty in pipelines
            os.environ["AZURE_CLIENT_ID"] = os.getenv("KEYVAULT_CLIENT_ID", "")  # empty in pipelines
            os.environ["AZURE_CLIENT_SECRET"] = os.getenv("KEYVAULT_CLIENT_SECRET", "")  # empty for user-based auth


class KeyVaultBackupClientPreparer(BaseClientPreparer):
    def __call__(self, fn):
        async def _preparer(test_class, api_version, **kwargs):
            self._skip_if_not_configured(api_version)
            kwargs["container_uri"] = self.container_uri
            kwargs["managed_hsm_url"] = self.managed_hsm_url
            client = self.create_backup_client(self.managed_identity_client_id, api_version=api_version, **kwargs)

            async with client:
                await fn(test_class, client, **kwargs)
        return _preparer

    def create_backup_client(self, managed_identity_client_id, **kwargs):
        from azure.keyvault.administration.aio import KeyVaultBackupClient

        if self.is_live:
            credential = ManagedIdentityCredential(client_id=managed_identity_client_id)
        else:
            credential = self.get_credential(KeyVaultBackupClient, is_async=True)
        return self.create_client_from_credential(
            KeyVaultBackupClient, credential=credential, vault_url=self.managed_hsm_url, **kwargs
        )


class KeyVaultBackupClientSasPreparer(BaseClientPreparer):
    def __call__(self, fn):
        async def _preparer(test_class, api_version, **kwargs):
            self._skip_if_not_configured(api_version)
            kwargs["container_uri"] = self.container_uri
            kwargs["sas_token"] = self.sas_token
            kwargs["managed_hsm_url"] = self.managed_hsm_url
            client = self.create_backup_client(api_version=api_version, **kwargs)

            async with client:
                await fn(test_class, client, **kwargs)
        return _preparer

    def create_backup_client(self, **kwargs):
        from azure.keyvault.administration.aio import KeyVaultBackupClient

        credential = self.get_credential(KeyVaultBackupClient, is_async=True)
        return self.create_client_from_credential(
            KeyVaultBackupClient, credential=credential, vault_url=self.managed_hsm_url, **kwargs
        )


class KeyVaultAccessControlClientPreparer(BaseClientPreparer):
    def __call__(self, fn):
        async def _preparer(test_class, api_version, **kwargs):
            self._skip_if_not_configured(api_version)
            client = self.create_access_control_client(api_version=api_version, **kwargs)

            async with client:
                await fn(test_class, client, **kwargs)
        return _preparer

    def create_access_control_client(self, **kwargs):
        from azure.keyvault.administration.aio import \
            KeyVaultAccessControlClient

        credential = self.get_credential(KeyVaultAccessControlClient, is_async=True)
        return self.create_client_from_credential(
            KeyVaultAccessControlClient, credential=credential, vault_url=self.managed_hsm_url, **kwargs
        )


class KeyVaultSettingsClientPreparer(BaseClientPreparer):
    def __call__(self, fn):
        async def _preparer(test_class, api_version, **kwargs):
            self._skip_if_not_configured(api_version)
            client = self.create_access_control_client(api_version=api_version, **kwargs)

            async with client:
                await fn(test_class, client, **kwargs)
        return _preparer

    def create_access_control_client(self, **kwargs):
        from azure.keyvault.administration.aio import \
            KeyVaultSettingsClient

        credential = self.get_credential(KeyVaultSettingsClient, is_async=True)
        return self.create_client_from_credential(
            KeyVaultSettingsClient, credential=credential, vault_url=self.managed_hsm_url, **kwargs
        )


def get_decorator(**kwargs):
    """returns a test decorator for test parameterization"""
    versions = kwargs.pop("api_versions", None) or ApiVersion
    params = [pytest.param(api_version) for api_version in versions]
    return params