from flask import Flask, render_template
from flask_bootstrap import Bootstrap
from flask_moment import Moment
from flask_wtf import FlaskForm
from wtforms import StringField, SubmitField
from wtforms.validators import DataRequired

app = Flask(__name__)
application = app
app.config['SECRET_KEY'] = 'hard to guess string'

bootstrap = Bootstrap(app)
moment = Moment(app)


class IngredientForm(FlaskForm):
	ingredient = StringField('Enter ingredient to add:', validators=[DataRequired()])
	submit = SubmitField('Submit')


@app.errorhandler(404)
def page_not_found(e):
	return render_template('404.html'), 404


@app.errorhandler(500)
def internal_server_error(e):
	return render_template('500.html'), 500


@app.route('/', methods=['GET', 'POST'])
def index():
	ingredient = None
	form = IngredientForm()
	if form.validate_on_submit():
		ingredient = form.ingredient.data
		form.ingredient.data = ''
	return render_template('index.html', form=form, ingredient=ingredient)