from app import db
from app.decorators import admin_required
from app.models import Role, User
from app.profile.background_functions import delete_user_
from flask import current_app, flash, redirect, render_template, url_for
from flask_login import login_required
from threading import Thread
from . import admin
from .forms import EditUserForm
from .tables import AdminUserItem, AdminUserTable


@admin.route('/')
@login_required
@admin_required
def index():
    users = User.query.all()
    items = [AdminUserItem(u.username, u.email, u.role_id, u.confirmed, u.id)
             for u in users]
    # Convert table object to html string
    table = AdminUserTable(items).__html__()
    # Add class "list" to tbody element. Needed for "List.js"
    table = table.replace('tbody', 'tbody class="list"', 1)
    return render_template('admin/index.html.j2', table=table,
                           title='Administration tools')


@admin.route('/user/<int:user_id>')
@login_required
@admin_required
def user(user_id):
    user = User.query.get_or_404(user_id)
    return render_template('admin/user.html.j2', title='Administration: User',
                           user=user)


@admin.route('/user/<int:user_id>/delete')
@login_required
@admin_required
def delete_user(user_id):
    user = User.query.get_or_404(user_id)
    thread = Thread(target=delete_user_,
                    args=(current_app._get_current_object(), user.id))
    thread.start()
    flash('User has been deleted!')
    return redirect(url_for('admin.index'))


@admin.route('/user/<int:user_id>/edit', methods=['GET', 'POST'])
@login_required
@admin_required
def edit_user(user_id):
    user = User.query.get_or_404(user_id)
    edit_user_form = EditUserForm(user=user)
    if edit_user_form.validate_on_submit():
        user.email = edit_user_form.email.data
        user.username = edit_user_form.username.data
        user.confirmed = edit_user_form.confirmed.data
        user.role = Role.query.get(edit_user_form.role.data)
        db.session.add(user)
        db.session.commit()
        flash('The profile has been updated.')
        return redirect(url_for('admin.edit_user', user_id=user.id))
    return render_template('admin/edit_user.html.j2',
                           edit_user_form=edit_user_form,
                           title='Administration: Edit user', user=user)