from werkzeug.utils import redirect
from mailu import models
from mailu.sso import sso, forms
from mailu.ui import access

from flask import current_app as app
import flask
import flask_login

@sso.route('/login', methods=['GET', 'POST'])
def login():
    form = forms.LoginForm()
    form.submitAdmin.label.text = form.submitAdmin.label.text + ' Admin'
    form.submitWebmail.label.text = form.submitWebmail.label.text + ' Webmail'
    
    fields = []
    if str(app.config["ADMIN"]).upper() != "FALSE":
        fields.append(form.submitAdmin)
    if str(app.config["WEBMAIL"]).upper() != "NONE":
        fields.append(form.submitWebmail)
    fields = tuple(fields)

    if form.validate_on_submit():
        if form.submitAdmin.data:
            destination = app.config['WEB_ADMIN']
        elif form.submitWebmail.data:
            destination = app.config['WEB_WEBMAIL']

        user = models.User.login(form.email.data, form.pw.data)
        if user:
            flask.session.regenerate()
            flask_login.login_user(user)           
            return flask.redirect(destination)
        else:
            flask.flash('Wrong e-mail or password', 'error')
            client_ip = flask.request.headers["X-Real-IP"] if 'X-Real-IP' in flask.request.headers else flask.request.remote_addr
            flask.current_app.logger.warn(f'Login failed for {str(form.email.data)} from {client_ip}.')
    return flask.render_template('login.html', form=form, fields=fields)
    
@sso.route('/logout', methods=['GET'])
@access.authenticated
def logout():
    flask_login.logout_user()
    flask.session.destroy()
    return flask.redirect(flask.url_for('.login'))