""" Sonnetteweb — Enfin une sonnette à l'Arcoloc

Sonnez via le réseau local. C'est cool, hein ?
"""

from datetime import datetime, timedelta
import subprocess
from flask import Flask, render_template, request

app = Flask('sonnetteweb')


class Ringer:
    _instance = None

    def __init__(self):
        self.last_rung = datetime.fromtimestamp(0)

    @staticmethod
    def get():
        if Ringer._instance is None:
            Ringer._instance = Ringer()
        return Ringer._instance

    def ring(self):
        if datetime.now() - self.last_rung < timedelta(seconds=5):
            return False
        self.last_rung = datetime.now()

        print('Dring!')

        subprocess.run(['bash',
                        '-c',
                        'aplay ringtone.wav &'])
        return True


@app.route('/', methods=['GET', 'POST'])
def view_home():
    context = {}
    if request.method == 'POST':
        if request.form['ding'] == 'dong':
            if Ringer.get().ring():
                context['has_rung'] = True
            else:
                context['too_much_dring'] = True

    return render_template('homepage.html', **context)