from flask import Flask, render_template
from flask import request
from flask_socketio import SocketIO, emit
from OpenSSL import SSL

temperature_value = 0
app = Flask(__name__, template_folder='.')
app.config['SECRET_KEY'] = 'secret!'

context = SSL.Context(SSL.SSLv23_METHOD)
context.use_privatekey_file('/home/zoltan/www.cog-dev.xyz.key')
context.use_certificate_file('/home/zoltan/www_cog-dev_xyz.crt')
socketio = SocketIO(app)

@app.route('/postjson', methods = ['POST'])
def postJsonHandler():
    global temperature_value
    content = request.get_json()
    print (content, flush = True)
    temperature_value = content['temperature']
    socketio.emit('temperature', {'data': temperature_value})
    return 'JSON posted'

@socketio.on('my event')
def test_message(message):
    global temperature_value
    print ("Send", flush = True)
    emit('temperature', {'data': message[temperature_value]})

@app.route('/')
@app.route('/index')
def index():
    global temperature_value
    return render_template('index.html',
                           async_mode=socketio.async_mode)

if __name__ == "__main__":
    context = ('/home/zoltan/www_cog-dev_xyz.crt', '/home/zoltan/www.cog-dev.xyz.key')
    socketio.run(app, host='0.0.0.0', debug=True, ssl_context=context)
 #   app.run(host='0.0.0.0')