import datetime
import boto3
from botocore.exceptions import ClientError
import sure  # noqa # pylint: disable=unused-import

from moto import mock_sagemaker
from moto.sts.models import ACCOUNT_ID
import pytest

TEST_REGION_NAME = "us-east-1"
FAKE_SUBNET_ID = "subnet-012345678"
FAKE_SECURITY_GROUP_IDS = ["sg-0123456789abcdef0", "sg-0123456789abcdef1"]
FAKE_ROLE_ARN = "arn:aws:iam::{}:role/FakeRole".format(ACCOUNT_ID)
FAKE_KMS_KEY_ID = "62d4509a-9f96-446c-a9ba-6b1c353c8c58"
GENERIC_TAGS_PARAM = [
    {"Key": "newkey1", "Value": "newval1"},
    {"Key": "newkey2", "Value": "newval2"},
]
FAKE_LIFECYCLE_CONFIG_NAME = "FakeLifecycleConfigName"
FAKE_DEFAULT_CODE_REPO = "https://github.com/user/repo1"
FAKE_ADDL_CODE_REPOS = [
    "https://github.com/user/repo2",
    "https://github.com/user/repo2",
]


@mock_sagemaker
def test_create_notebook_instance_minimal_params():

    sagemaker = boto3.client("sagemaker", region_name=TEST_REGION_NAME)

    NAME_PARAM = "MyNotebookInstance"
    INSTANCE_TYPE_PARAM = "ml.t2.medium"

    args = {
        "NotebookInstanceName": NAME_PARAM,
        "InstanceType": INSTANCE_TYPE_PARAM,
        "RoleArn": FAKE_ROLE_ARN,
    }
    resp = sagemaker.create_notebook_instance(**args)
    assert resp["NotebookInstanceArn"].startswith("arn:aws:sagemaker")
    assert resp["NotebookInstanceArn"].endswith(args["NotebookInstanceName"])

    resp = sagemaker.describe_notebook_instance(NotebookInstanceName=NAME_PARAM)
    assert resp["NotebookInstanceArn"].startswith("arn:aws:sagemaker")
    assert resp["NotebookInstanceArn"].endswith(args["NotebookInstanceName"])
    assert resp["NotebookInstanceName"] == NAME_PARAM
    assert resp["NotebookInstanceStatus"] == "InService"
    assert resp["Url"] == "{}.notebook.{}.sagemaker.aws".format(
        NAME_PARAM, TEST_REGION_NAME
    )
    assert resp["InstanceType"] == INSTANCE_TYPE_PARAM
    assert resp["RoleArn"] == FAKE_ROLE_ARN
    assert isinstance(resp["LastModifiedTime"], datetime.datetime)
    assert isinstance(resp["CreationTime"], datetime.datetime)
    assert resp["DirectInternetAccess"] == "Enabled"
    assert resp["VolumeSizeInGB"] == 5


#    assert resp["RootAccess"] == True     # ToDo: Not sure if this defaults...


@mock_sagemaker
def test_create_notebook_instance_params():

    sagemaker = boto3.client("sagemaker", region_name="us-east-1")

    NAME_PARAM = "MyNotebookInstance"
    INSTANCE_TYPE_PARAM = "ml.t2.medium"
    DIRECT_INTERNET_ACCESS_PARAM = "Enabled"
    VOLUME_SIZE_IN_GB_PARAM = 7
    ACCELERATOR_TYPES_PARAM = ["ml.eia1.medium", "ml.eia2.medium"]
    ROOT_ACCESS_PARAM = "Disabled"

    args = {
        "NotebookInstanceName": NAME_PARAM,
        "InstanceType": INSTANCE_TYPE_PARAM,
        "SubnetId": FAKE_SUBNET_ID,
        "SecurityGroupIds": FAKE_SECURITY_GROUP_IDS,
        "RoleArn": FAKE_ROLE_ARN,
        "KmsKeyId": FAKE_KMS_KEY_ID,
        "Tags": GENERIC_TAGS_PARAM,
        "LifecycleConfigName": FAKE_LIFECYCLE_CONFIG_NAME,
        "DirectInternetAccess": DIRECT_INTERNET_ACCESS_PARAM,
        "VolumeSizeInGB": VOLUME_SIZE_IN_GB_PARAM,
        "AcceleratorTypes": ACCELERATOR_TYPES_PARAM,
        "DefaultCodeRepository": FAKE_DEFAULT_CODE_REPO,
        "AdditionalCodeRepositories": FAKE_ADDL_CODE_REPOS,
        "RootAccess": ROOT_ACCESS_PARAM,
    }
    resp = sagemaker.create_notebook_instance(**args)
    assert resp["NotebookInstanceArn"].startswith("arn:aws:sagemaker")
    assert resp["NotebookInstanceArn"].endswith(args["NotebookInstanceName"])

    resp = sagemaker.describe_notebook_instance(NotebookInstanceName=NAME_PARAM)
    assert resp["NotebookInstanceArn"].startswith("arn:aws:sagemaker")
    assert resp["NotebookInstanceArn"].endswith(args["NotebookInstanceName"])
    assert resp["NotebookInstanceName"] == NAME_PARAM
    assert resp["NotebookInstanceStatus"] == "InService"
    assert resp["Url"] == "{}.notebook.{}.sagemaker.aws".format(
        NAME_PARAM, TEST_REGION_NAME
    )
    assert resp["InstanceType"] == INSTANCE_TYPE_PARAM
    assert resp["RoleArn"] == FAKE_ROLE_ARN
    assert isinstance(resp["LastModifiedTime"], datetime.datetime)
    assert isinstance(resp["CreationTime"], datetime.datetime)
    assert resp["DirectInternetAccess"] == "Enabled"
    assert resp["VolumeSizeInGB"] == VOLUME_SIZE_IN_GB_PARAM
    #    assert resp["RootAccess"] == True     # ToDo: Not sure if this defaults...
    assert resp["SubnetId"] == FAKE_SUBNET_ID
    assert resp["SecurityGroups"] == FAKE_SECURITY_GROUP_IDS
    assert resp["KmsKeyId"] == FAKE_KMS_KEY_ID
    assert resp["NotebookInstanceLifecycleConfigName"] == FAKE_LIFECYCLE_CONFIG_NAME
    assert resp["AcceleratorTypes"] == ACCELERATOR_TYPES_PARAM
    assert resp["DefaultCodeRepository"] == FAKE_DEFAULT_CODE_REPO
    assert resp["AdditionalCodeRepositories"] == FAKE_ADDL_CODE_REPOS

    resp = sagemaker.list_tags(ResourceArn=resp["NotebookInstanceArn"])
    assert resp["Tags"] == GENERIC_TAGS_PARAM


@mock_sagemaker
def test_create_notebook_instance_invalid_instance_type():

    sagemaker = boto3.client("sagemaker", region_name="us-east-1")

    instance_type = "undefined_instance_type"
    args = {
        "NotebookInstanceName": "MyNotebookInstance",
        "InstanceType": instance_type,
        "RoleArn": FAKE_ROLE_ARN,
    }
    with pytest.raises(ClientError) as ex:
        sagemaker.create_notebook_instance(**args)
    assert ex.value.response["Error"]["Code"] == "ValidationException"
    expected_message = "Value '{}' at 'instanceType' failed to satisfy constraint: Member must satisfy enum value set: [".format(
        instance_type
    )

    assert expected_message in ex.value.response["Error"]["Message"]


@mock_sagemaker
def test_notebook_instance_lifecycle():
    sagemaker = boto3.client("sagemaker", region_name=TEST_REGION_NAME)

    NAME_PARAM = "MyNotebookInstance"
    INSTANCE_TYPE_PARAM = "ml.t2.medium"

    args = {
        "NotebookInstanceName": NAME_PARAM,
        "InstanceType": INSTANCE_TYPE_PARAM,
        "RoleArn": FAKE_ROLE_ARN,
    }
    resp = sagemaker.create_notebook_instance(**args)
    assert resp["NotebookInstanceArn"].startswith("arn:aws:sagemaker")
    assert resp["NotebookInstanceArn"].endswith(args["NotebookInstanceName"])

    resp = sagemaker.describe_notebook_instance(NotebookInstanceName=NAME_PARAM)
    notebook_instance_arn = resp["NotebookInstanceArn"]

    with pytest.raises(ClientError) as ex:
        sagemaker.delete_notebook_instance(NotebookInstanceName=NAME_PARAM)
    assert ex.value.response["Error"]["Code"] == "ValidationException"
    expected_message = "Status (InService) not in ([Stopped, Failed]). Unable to transition to (Deleting) for Notebook Instance ({})".format(
        notebook_instance_arn
    )
    assert expected_message in ex.value.response["Error"]["Message"]

    sagemaker.stop_notebook_instance(NotebookInstanceName=NAME_PARAM)

    resp = sagemaker.describe_notebook_instance(NotebookInstanceName=NAME_PARAM)
    assert resp["NotebookInstanceStatus"] == "Stopped"

    sagemaker.start_notebook_instance(NotebookInstanceName=NAME_PARAM)

    resp = sagemaker.describe_notebook_instance(NotebookInstanceName=NAME_PARAM)
    assert resp["NotebookInstanceStatus"] == "InService"

    sagemaker.stop_notebook_instance(NotebookInstanceName=NAME_PARAM)

    resp = sagemaker.describe_notebook_instance(NotebookInstanceName=NAME_PARAM)
    assert resp["NotebookInstanceStatus"] == "Stopped"

    sagemaker.delete_notebook_instance(NotebookInstanceName=NAME_PARAM)

    with pytest.raises(ClientError) as ex:
        sagemaker.describe_notebook_instance(NotebookInstanceName=NAME_PARAM)
    assert ex.value.response["Error"]["Message"] == "RecordNotFound"


@mock_sagemaker
def test_describe_nonexistent_model():
    sagemaker = boto3.client("sagemaker", region_name=TEST_REGION_NAME)

    with pytest.raises(ClientError) as e:
        sagemaker.describe_model(ModelName="Nonexistent")
    assert e.value.response["Error"]["Message"].startswith("Could not find model")


@mock_sagemaker
def test_notebook_instance_lifecycle_config():
    sagemaker = boto3.client("sagemaker", region_name=TEST_REGION_NAME)

    name = "MyLifeCycleConfig"
    on_create = [{"Content": "Create Script Line 1"}]
    on_start = [{"Content": "Start Script Line 1"}]
    resp = sagemaker.create_notebook_instance_lifecycle_config(
        NotebookInstanceLifecycleConfigName=name, OnCreate=on_create, OnStart=on_start
    )
    assert resp["NotebookInstanceLifecycleConfigArn"].startswith("arn:aws:sagemaker")
    assert resp["NotebookInstanceLifecycleConfigArn"].endswith(name)

    with pytest.raises(ClientError) as e:
        resp = sagemaker.create_notebook_instance_lifecycle_config(
            NotebookInstanceLifecycleConfigName=name,
            OnCreate=on_create,
            OnStart=on_start,
        )
    assert e.value.response["Error"]["Message"].endswith(
        "Notebook Instance Lifecycle Config already exists.)"
    )

    resp = sagemaker.describe_notebook_instance_lifecycle_config(
        NotebookInstanceLifecycleConfigName=name,
    )
    assert resp["NotebookInstanceLifecycleConfigName"] == name
    assert resp["NotebookInstanceLifecycleConfigArn"].startswith("arn:aws:sagemaker")
    assert resp["NotebookInstanceLifecycleConfigArn"].endswith(name)
    assert resp["OnStart"] == on_start
    assert resp["OnCreate"] == on_create
    assert isinstance(resp["LastModifiedTime"], datetime.datetime)
    assert isinstance(resp["CreationTime"], datetime.datetime)

    sagemaker.delete_notebook_instance_lifecycle_config(
        NotebookInstanceLifecycleConfigName=name,
    )

    with pytest.raises(ClientError) as e:
        sagemaker.describe_notebook_instance_lifecycle_config(
            NotebookInstanceLifecycleConfigName=name,
        )
    assert e.value.response["Error"]["Message"].endswith(
        "Notebook Instance Lifecycle Config does not exist.)"
    )

    with pytest.raises(ClientError) as e:
        sagemaker.delete_notebook_instance_lifecycle_config(
            NotebookInstanceLifecycleConfigName=name,
        )
    assert e.value.response["Error"]["Message"].endswith(
        "Notebook Instance Lifecycle Config does not exist.)"
    )