# Copyright 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"
DLC_AWS_ID = "763104351884"


def build_image(framework_version, dockerfile, image_uri, region, cwd="."):
    _check_call("python setup.py sdist")

    if "dlc" in dockerfile:
        ecr_login(region, DLC_AWS_ID)

    dockerfile_location = os.path.join("test", "container", framework_version, dockerfile)

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


def push_image(ecr_image, region, aws_id):
    ecr_login(region, aws_id)
    _check_call("docker push {}".format(ecr_image))


def ecr_login(region, aws_id):
    login = _check_call(
        "aws ecr get-login --registry-ids {} ".format(aws_id)
        + "--no-include-email --region {}".format(region)
    )
    _check_call(login.decode("utf-8").rstrip("\n"))


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


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