from app import db, logger
from app.utils import background_delete_user
from flask import abort, current_app, flash, redirect, render_template, url_for
from flask_login import current_user, login_required, logout_user
from . import profile
from .forms import ChangePasswordForm, EditProfileForm, EditUserSettingsForm
import threading


@profile.route('/', methods=['GET', 'POST'])
@login_required
def index():
    """
    View where loged in User can change own User information like Password etc.
    """
    edit_user_info_form = EditProfileForm(user=current_user)
    edit_user_info_form.email.data = current_user.email
    return render_template('profile/index.html.j2',
                           change_password_form=ChangePasswordForm(),
                           edit_user_info_form=edit_user_info_form,
                           edit_user_settings_form=EditUserSettingsForm(),
                           title='Profile')


@profile.route('/change_password', methods=['POST'])
@login_required
def profile_change_password():
    edit_user_info_form = EditProfileForm(user=current_user)
    change_password_form = ChangePasswordForm()
    if change_password_form.validate_on_submit():
        if current_user.verify_password(change_password_form.old_password.data):
            current_user.password = change_password_form.new_password.data
            db.session.add(current_user)
            db.session.commit()
            flash('Your password has been updated.')
            return render_template('profile/index.html.j2',
                                   change_password_form=change_password_form,
                                   edit_user_info_form=edit_user_info_form,
                                   edit_user_settings_form=EditUserSettingsForm(),
                                   title='Profile')
    else:
        flash('Invalid password.')
    return render_template('profile/index.html.j2',
                           change_password_form=change_password_form,
                           edit_user_info_form=edit_user_info_form,
                           edit_user_settings_form=EditUserSettingsForm(),
                           title='Profile')


@profile.route('/edit_user_info', methods=['POST'])
@login_required
def profile_edit_user_info():
    edit_user_info_form = EditProfileForm(user=current_user)
    if edit_user_info_form.validate_on_submit():
        current_user.email = edit_user_info_form.email.data
        db.session.add(current_user._get_current_object())
        db.session.commit()
        flash('Your email has been updated.')
    else:
        logger.warning('Form: {}'.format(edit_user_info_form.errors))
        return render_template('profile/index.html.j2',
                               change_password_form=ChangePasswordForm(),
                               edit_user_info_form=edit_user_info_form,
                               edit_user_settings_form=EditUserSettingsForm(),
                               title='Profile')
    edit_user_info_form.email.data = current_user.email
    return render_template('profile/index.html.j2',
                           change_password_form=ChangePasswordForm(),
                           edit_user_info_form=EditProfileForm(user=current_user),
                           edit_user_settings_form=EditUserSettingsForm(),
                           title='Profile')


@profile.route('/edit_user_settings', methods=['POST'])
@login_required
def profile_edit_user_settings():
    edit_user_settings_form = EditUserSettingsForm()
    if not edit_user_settings_form.validate_on_submit():
        abort(400)
    current_user.is_dark = edit_user_settings_form.is_dark.data
    logger.warning('Form data: {}'.format(current_user.is_dark))
    db.session.add(current_user)
    db.session.commit()
    if current_user.is_dark is True:
        flash('Dark mode has been activated!')
    else:
        flash('Dark mode has been deactivated!')
    return redirect(url_for('profile.index'))


@profile.route('/delete_self', methods=['GET', 'POST'])
@login_required
def delete_self():
    """
    View to delete yourslef and all associated data.
    """
    delete_thread = threading.Thread(
        target=background_delete_user,
        args=(current_app._get_current_object(), current_user.id)
    )
    delete_thread.start()
    logout_user()
    flash('Your account has been deleted!')
    return redirect(url_for('main.index'))