# !/usr/bin/env python
# Copyright 2017 Google Inc. 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.
# 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.

from __future__ import print_function

import json
import os

from actions import *
from flask import Flask, make_response, request
from future.standard_library import install_aliases

install_aliases()

# Flask app should start in global layout
app = Flask(__name__)


@app.route("/", methods=["GET"])
def home():
    return "Network Intent Assistent (Nia) Webhook APIs"


@app.route("/webhook", methods=["POST"])
def webhook():
    req = request.get_json(silent=True, force=True)

    print("Request: {}".format(json.dumps(req, indent=4)))
    try:
        res = actions[req.get("queryResult").get("action")](req)
    except:
        res = {"message": "Action not mapped in webhook."}
    res = json.dumps(res, indent=4)
    print("Response: {}".format(json.dumps(res, indent=4)))

    r = make_response(res)
    r.headers["Content-Type"] = "application/json"
    return r


if __name__ == "__main__":
    port = int(os.getenv("PORT", 5000))

    print("Starting app on port %d" % port)

    app.run(debug=False, port=port, host="127.0.0.1")
