from flask import (abort, current_app, flash, redirect, request,
                   render_template, url_for, send_from_directory)
from flask_login import current_user, login_required
from ..models import Corpus, User
from ..tables import AdminUserTable, AdminUserItem
from . import admin
from ..decorators import admin_required
from .. import db
import os


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


@admin.route('/overview/admin_user_page/<int:user_id>', methods=['GET', 'POST'])
@login_required
@admin_required
def admin_user_page(user_id):
    selected_user = User.query.filter_by(id=user_id).first()
    title = 'Administration of user {} with ID: {}'.format(selected_user.username,
                                                           selected_user.id)
    return render_template('admin/admin_user_page.html.j2',
                           title=title, selected_user=selected_user)


@admin.route('/overview/admin_user_page/delete/<int:user_id>', methods=['GET', 'POST'])
@login_required
@admin_required
def admin_delete_user(user_id):
    selected_user = User.query.filter_by(id=user_id).first()
    db.session.delete(selected_user)
    db.session.commit()
    flash('User {} has been deleted!'.format(user_id))
    return redirect(url_for('admin.for_admins_only'))