# Copyright 2018-2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# 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 os
import subprocess
import sys

CYAN_COLOR = "\033[36m"
END_COLOR = "\033[0m"


def build_base_image(
    framework_name, framework_version, py_version, processor, base_image_tag, cwd="."
):
    base_image_uri = get_base_image_uri(framework_name, base_image_tag)

    dockerfile_location = os.path.join(
        "docker", framework_version, "base", "Dockerfile.{}".format(processor)
    )

    subprocess.check_call(
        [
            "docker",
            "build",
            "-t",
            base_image_uri,
            "-f",
            dockerfile_location,
            "--build-arg",
            "py_version={}".format(py_version[-1]),
            cwd,
        ],
        cwd=cwd,
    )
    print("created image {}".format(base_image_uri))
    return base_image_uri


def get_base_image_uri(framework_name, base_image_tag):
    return "{}-base:{}".format(framework_name, base_image_tag)


def get_image_uri(framework_name, tag):
    return "{}:{}".format(framework_name, tag)


def _check_call(cmd, *popenargs, **kwargs):
    if isinstance(cmd, str):
        cmd = cmd.split(" ")
    _print_cmd(cmd)
    subprocess.check_call(cmd, *popenargs, **kwargs)


def _print_cmd(cmd):
    print("executing docker command: {}{}{}".format(CYAN_COLOR, " ".join(cmd), END_COLOR))
    sys.stdout.flush()