# -*- coding: utf-8 -*-

import flaskext_compat
flaskext_compat.activate()

import account
import os
from flask import flash, Flask, g, redirect, request, session, url_for
from utils import templated, login_required, encrypt_password, decrypt_password, login_user, logout_user
from forms import RegisterForm, LoginForm, SettingsForm


app = Flask(__name__)
app.config.from_object('default_settings')
if 'SPLINE_ACCOUNT_WEB_SETTINGS' in os.environ:
    app.config.from_envvar('SPLINE_ACCOUNT_WEB_SETTINGS')

@app.before_request
def ldap_connect():
    g.ldap = account.AccountService(account.LDAP_HOST, account.LDAP_BASE_DN,
        account.LDAP_ADMIN_USER, account.LDAP_ADMIN_PASS, account.SERVICES)

    if 'username' in session and 'password' in session:
        try:
            g.user = g.ldap.auth(session['username'], decrypt_password(session['password']))
        except ldap.INVALID_CREDENTIALS:
            # we had crap in the session, delete it
            logout_user()


@app.route('/', methods=['GET', 'POST'])
@templated('index.html')
def index():
    form = LoginForm(request.form)
    if request.method == 'POST' and form.validate():
        if login_user(form.username.data, form.password.data):
            flash(u'Erfolgreich eingeloggt (als %s)' % session['username'])
            return redirect(url_for('settings'))
        else:
            flash(u'Ungültiger Benutzername und/oder Passwort', 'error')

    return {'form': form}


@app.route('/register', methods=['GET', 'POST'])
@templated('register.html')
def register():
    form = RegisterForm(request.form)
    if request.method == 'POST' and form.validate():
        username = form.username.data
        mail = form.mail.data
        password = form.password.data
        return '<h1>501 Not Implemented</h1>'

    return {'form': form}



@app.route('/settings', methods=['GET', 'POST'])
@templated('settings.html')
@login_required
def settings():
    form = SettingsForm(request.form, mail=g.user.mail)
    if request.method == 'POST' and form.validate():
        flash(u'Gespeichert. Nicht.')
        return redirect(url_for('index'))

    return {'form': form}


@app.route('/logout')
def logout():
    logout_user()
    return redirect(url_for('index'))


@app.route('/debug')
def debug():
    raise Exception()


if __name__ == '__main__':
    app.run(debug=True)


# wir brauchen:
#   registrieren
#   login
#     passwort ändern (master-passwort, einzelne)
#     email ändern

# später:
#   account löschen
#   openid-provider (ggf mehr Details: Realname, Zeitzone, ...)