#!/usr/bin/env python3
# ============LICENSE_START=======================================================
# Copyright (c) 2017-2021 AT&T Intellectual Property. All rights reserved.
# Copyright (c) 2021 Fujitsu Ltd.
# ================================================================================
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License 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.
# ============LICENSE_END=========================================================

import json
from http.server import BaseHTTPRequestHandler
from urllib import parse


class GetHandler(BaseHTTPRequestHandler):
    def do_GET(self):
        parsed_path = parse.urlparse(self.path)
        message = "\n".join(
            [
                "CLIENT VALUES:",
                "client_address=%s (%s)" % (self.client_address, self.address_string()),
                "command=%s" % self.command,
                "path=%s" % self.path,
                "real path=%s" % parsed_path.path,
                "query=%s" % parsed_path.query,
                "request_version=%s" % self.request_version,
                "",
                "SERVER VALUES:",
                "server_version=%s" % self.server_version,
                "sys_version=%s" % self.sys_version,
                "protocol_version=%s" % self.protocol_version,
                "",
            ]
        )
        self.send_response(200)
        self.end_headers()
        self.wfile.write(bytes(message, "utf-8"))
        return

    def do_POST(self):
        content_len = int(self.headers.get("content-length", 0))
        post_body = self.rfile.read(content_len)
        self.send_response(200)
        self.end_headers()

        data = json.loads(post_body)

        self.wfile.write(bytes(data["health"], "utf-8"))
        return


def start_health_check_server() -> None:
    from http.server import HTTPServer

    server = HTTPServer(("", 10002), GetHandler)
    print("Starting server at http://localhost:10002")
    server.serve_forever()


if __name__ == "__main__":
    start_health_check_server()