from flask import (
    render_template,
    redirect,
    session,
    url_for
)

from flask_login import login_required

from app.main import main
from app.main.dao import services_dao, users_dao
from app.main.forms import AddServiceForm
from app import user_api_client


@main.route("/add-service", methods=['GET', 'POST'])
@login_required
def add_service():

    invited_user = session.get('invited_user')
    if invited_user:
        # if invited user add to service and redirect to dashboard
        user = users_dao.get_user_by_id(session['user_id'])
        service_id = invited_user['service']
        user_api_client.add_user_to_service(service_id, user.id)
        session.pop('invited_user', None)
        return redirect(url_for('main.service_dashboard', service_id=service_id))

    form = AddServiceForm(services_dao.find_all_service_names)
    heading = 'Which service do you want to set up notifications for?'
    if form.validate_on_submit():
        session['service_name'] = form.name.data
        user = users_dao.get_user_by_id(session['user_id'])
        service_id = services_dao.insert_new_service(session['service_name'], user.id)
        return redirect(url_for('main.service_dashboard', service_id=service_id))
    else:
        return render_template(
            'views/add-service.html',
            form=form,
            heading=heading
        )