from flask import flash, redirect, render_template, url_for
from flask_login import login_required
from . import bp
from .forms import EditGeneralSettingsAdminForm
from .. import db
from ..decorators import admin_required
from ..models import Role, User
from ..settings import tasks as settings_tasks


@bp.before_request
@login_required
@admin_required
def before_request():
    '''
    Ensures that the routes in this package can be visited only by users with
    administrator privileges (login_required and admin_required).
    '''
    pass


@bp.route('/')
def index():
    return redirect(url_for('.users'))


@bp.route('/users')
def users():
    dict_users = {user.id: user.to_dict(backrefs=True, relationships=False)
                  for user in User.query.all()}
    return render_template(
        'admin/users.html.j2', title='Users', dict_users=dict_users)


@bp.route('/users/<hashid:user_id>')
def user(user_id):
    user = User.query.get_or_404(user_id)
    return render_template('admin/user.html.j2', title='User', user=user)


@bp.route('/users/<hashid:user_id>/delete')
def delete_user(user_id):
    settings_tasks.delete_user(user_id)
    flash('User has been marked for deletion!')
    return redirect(url_for('.users'))


@bp.route('/users/<hashid:user_id>/edit', methods=['GET', 'POST'])  # noqa
def edit_user(user_id):
    user = User.query.get_or_404(user_id)
    form = EditGeneralSettingsAdminForm(user)
    if form.validate_on_submit():
        user.setting_dark_mode = form.dark_mode.data
        user.email = form.email.data
        user.username = form.username.data
        user.confirmed = form.confirmed.data
        user.role = Role.query.get(form.role.data)
        db.session.commit()
        flash('Settings have been updated.')
        return redirect(url_for('.edit_user', user_id=user.id))
    form.confirmed.data = user.confirmed
    form.dark_mode.data = user.setting_dark_mode
    form.email.data = user.email
    form.role.data = user.role_id
    form.username.data = user.username
    return render_template(
        'admin/edit_user.html.j2', form=form, title='Edit user', user=user)