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#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
#     http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
from __future__ import absolute_import
import pytest

from mock.mock import patch

from sagemaker import script_uris
from sagemaker.jumpstart.utils import verify_model_region_and_return_specs

from tests.unit.sagemaker.jumpstart.utils import get_spec_from_base_spec
from sagemaker.jumpstart import constants as sagemaker_constants


@patch("sagemaker.jumpstart.artifacts.script_uris.verify_model_region_and_return_specs")
@patch("sagemaker.jumpstart.accessors.JumpStartModelsAccessor.get_model_specs")
def test_jumpstart_common_script_uri(
    patched_get_model_specs, patched_verify_model_region_and_return_specs
):

    patched_verify_model_region_and_return_specs.side_effect = verify_model_region_and_return_specs
    patched_get_model_specs.side_effect = get_spec_from_base_spec

    script_uris.retrieve(
        script_scope="training",
        model_id="pytorch-ic-mobilenet-v2",
        model_version="*",
    )
    patched_get_model_specs.assert_called_once_with(
        region=sagemaker_constants.JUMPSTART_DEFAULT_REGION_NAME,
        model_id="pytorch-ic-mobilenet-v2",
        version="*",
    )
    patched_verify_model_region_and_return_specs.assert_called_once()

    patched_get_model_specs.reset_mock()
    patched_verify_model_region_and_return_specs.reset_mock()

    script_uris.retrieve(
        script_scope="inference",
        model_id="pytorch-ic-mobilenet-v2",
        model_version="1.*",
    )
    patched_get_model_specs.assert_called_once_with(
        region=sagemaker_constants.JUMPSTART_DEFAULT_REGION_NAME,
        model_id="pytorch-ic-mobilenet-v2",
        version="1.*",
    )
    patched_verify_model_region_and_return_specs.assert_called_once()

    patched_get_model_specs.reset_mock()
    patched_verify_model_region_and_return_specs.reset_mock()

    script_uris.retrieve(
        region="us-west-2",
        script_scope="training",
        model_id="pytorch-ic-mobilenet-v2",
        model_version="*",
    )
    patched_get_model_specs.assert_called_once_with(
        region="us-west-2", model_id="pytorch-ic-mobilenet-v2", version="*"
    )
    patched_verify_model_region_and_return_specs.assert_called_once()

    patched_get_model_specs.reset_mock()
    patched_verify_model_region_and_return_specs.reset_mock()

    script_uris.retrieve(
        region="us-west-2",
        script_scope="inference",
        model_id="pytorch-ic-mobilenet-v2",
        model_version="1.*",
    )
    patched_get_model_specs.assert_called_once_with(
        region="us-west-2", model_id="pytorch-ic-mobilenet-v2", version="1.*"
    )
    patched_verify_model_region_and_return_specs.assert_called_once()

    with pytest.raises(NotImplementedError):
        script_uris.retrieve(
            region="us-west-2",
            script_scope="BAD_SCOPE",
            model_id="pytorch-ic-mobilenet-v2",
            model_version="*",
        )

    with pytest.raises(KeyError):
        script_uris.retrieve(
            region="us-west-2",
            script_scope="training",
            model_id="blah",
            model_version="*",
        )

    with pytest.raises(ValueError):
        script_uris.retrieve(
            region="mars-south-1",
            script_scope="training",
            model_id="pytorch-ic-mobilenet-v2",
            model_version="*",
        )

    with pytest.raises(ValueError):
        script_uris.retrieve(
            model_id="pytorch-ic-mobilenet-v2",
            model_version="*",
        )

    with pytest.raises(ValueError):
        script_uris.retrieve(
            script_scope="training",
            model_version="*",
        )

    with pytest.raises(ValueError):
        script_uris.retrieve(
            script_scope="training",
            model_id="pytorch-ic-mobilenet-v2",
        )


@patch("sagemaker.jumpstart.artifacts.script_uris.verify_model_region_and_return_specs")
@patch("sagemaker.jumpstart.accessors.JumpStartModelsAccessor.get_model_specs")
@patch.dict(
    "sagemaker.jumpstart.cache.os.environ",
    {
        sagemaker_constants.ENV_VARIABLE_JUMPSTART_SCRIPT_ARTIFACT_BUCKET_OVERRIDE: "some-cool-bucket-name"
    },
)
def test_jumpstart_artifact_bucket_override(
    patched_get_model_specs, patched_verify_model_region_and_return_specs
):

    patched_verify_model_region_and_return_specs.side_effect = verify_model_region_and_return_specs
    patched_get_model_specs.side_effect = get_spec_from_base_spec

    uri = script_uris.retrieve(
        script_scope="training",
        model_id="pytorch-ic-mobilenet-v2",
        model_version="*",
    )
    assert (
        uri
        == "s3://some-cool-bucket-name/source-directory-tarballs/pytorch/transfer_learning/ic/v1.0.0/sourcedir.tar.gz"
    )