# Copyright 2019 Google, LLC.
#
# 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.

# Source code from https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/run/pubsub/main.py

# [START run_pubsub_server_setup]
import base64
import os

from flask import Flask, request


app = Flask(__name__)
app.config.from_object('config.DevConfig')
# [END run_pubsub_server_setup]


# [START run_pubsub_handler]
@app.route('/', methods=['POST'])
def index():
    envelope = request.get_json()
    if not envelope:
        msg = 'no Pub/Sub message received'
        print(f'error: {msg}')
        return f'Bad Request: {msg}', 400

    if not isinstance(envelope, dict) or 'message' not in envelope:
        msg = 'invalid Pub/Sub message format'
        print(f'error: {msg}')
        return f'Bad Request: {msg}', 400

    pubsub_message = envelope['message']

    name = 'World'
    if isinstance(pubsub_message, dict) and 'data' in pubsub_message:
        name = base64.b64decode(pubsub_message['data']).decode('utf-8').strip()

    print(f'Hello {name}!')

    return ('', 204)
# [END run_pubsub_handler]


if __name__ == '__main__':
    PORT = int(os.getenv('PORT')) if os.getenv('PORT') else 8080

    # This is used when running locally. Gunicorn is used to run the
    # application on Cloud Run. See entrypoint in Dockerfile.
    app.run(host='127.0.0.1', port=PORT, debug=True)
# Copyright 2019 Google, LLC.
#
# 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.

# Source code from https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/run/pubsub/main.py

# [START run_pubsub_server_setup]
import base64
import os

from flask import Flask, request
from config import configs

from dotenv import load_dotenv


load_dotenv()

app = Flask(__name__)
evn = os.environ.get('FLASK_APP_ENV', 'default')
app.config.from_object(configs[evn])
# [END run_pubsub_server_setup]


# [START run_pubsub_handler]
@app.route('/', methods=['POST'])
def index():
    envelope = request.get_json()
    if not envelope:
        msg = 'no Pub/Sub message received'
        print(f'error: {msg}')
        return f'Bad Request: {msg}', 400

    if not isinstance(envelope, dict) or 'message' not in envelope:
        msg = 'invalid Pub/Sub message format'
        print(f'error: {msg}')
        return f'Bad Request: {msg}', 400

    pubsub_message = envelope['message']

    name = 'World'
    if isinstance(pubsub_message, dict) and 'data' in pubsub_message:
        name = base64.b64decode(pubsub_message['data']).decode('utf-8').strip()

    print(f'Hello {name}!')

    return ('', 204)
# [END run_pubsub_handler]


if __name__ == '__main__':
    PORT = int(os.getenv('PORT')) if os.getenv('PORT') else 8080

    # This is used when running locally. Gunicorn is used to run the
    # application on Cloud Run. See entrypoint in Dockerfile.
    app.run(host='127.0.0.1', port=PORT, debug=True)
load config from environment