from flask import Flask, request, render_template, url_for, redirect

app = Flask(__name__)

@app.route("/", methods=['GET', 'POST'])
def groclist_home():
	error = None
	if request.method == 'POST':
		if request.form.get('login') == 'Inloggen':
			return redirect(url_for('groclist_login'))
	elif request.method == 'GET':
		return render_template('index.html')

	return render_template('index.html',error=error)

@app.route("/welcome")
def groclist_welcome():
	return render_template("welcome.html")

@app.route("/login", methods=['GET', 'POST'])
def groclist_login():
	error = None
	if request.method == 'POST':
		if request.form['username'] != 'admin' or request.form['password'] != 'admin':
			error = 'Username of wachtwoord onbekend. Probeer opnieuw'
		else:
			return redirect(url_for('groclist_welcome'))
	return render_template("login.html", error=error)


app.add_url_rule("/welcome", "welcome", groclist_welcome)  

# start server with run method
if __name__ == "__main__":
	app.run(debug=True)