#!/usr/bin/env python

import argparse
import os
import sys

from mqtt_dash.app import app

args = argparse.ArgumentParser()

args.add_argument('config', default='config.py', help='Configuration file')

options = args.parse_args()

app.secret_key = os.urandom(12)
app.config.from_pyfile(os.path.abspath(options.config))


missing_config_fields = False
for opt in ('URL', 'MQTT_BROKER', 'PAGE_TITLE', 'WIDGETS'):
    if opt not in app.config:
        print(f'Error: field {opt} missing in configuration')
        missing_config_fields = True
if missing_config_fields:
    sys.exit(1)


app.run(debug=False, host='0.0.0.0', port=4000)