from flask import Flask
from flask import request
from flask import session
from flask import request
from flask import render_template
import secrets

counter = Flask(__name__)
counter.secret_key = secrets.token_bytes()

# Come at the app without a form, you're new.  Expect to have lost
# your mind.  (May or not be ideal)
@counter.route("/",methods=['GET'])
def init():
    # Initialize the state.
    loggedin = session['loggedin'] = False
    count = session['count'] = 1
    return render_template('counterpage.html', count=1, loggedin=False)

@counter.route("/",methods=['POST'])
def count():
    # Get the original logged in value.  (This example doesn't make it
    # hard to log in, but if we were more realistic, we'd still believe
    # the contents of the session.)
    loggedin = session['loggedin']

    # Apply login request.
    if 'LOGIN' in request.form:
        loggedin = session['loggedin'] = True
    if 'LOGOUT' in request.form:
        loggedin = session['loggedin'] = False

    # Increment the count.
    session['count'] += 1

    return render_template('counterpage.html', count=session['count'], \
                           loggedin=loggedin)