from app import db, hashids
from app.decorators import admin_required
from app.models import Role, User, UserSettingJobStatusMailNotificationLevel
from app.settings import tasks as settings_tasks
from app.settings.forms import (
    EditGeneralSettingsForm,
    EditInterfaceSettingsForm,
    EditNotificationSettingsForm
)
from flask import flash, redirect, render_template, url_for
from flask_login import login_required
from . import bp
from .forms import AdminEditUserForm


@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',
        dict_users=dict_users,
        title='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'])
def edit_user(user_id):
    user = User.query.get_or_404(user_id)
    admin_edit_user_form = AdminEditUserForm(
        prefix='admin_edit_user_form'
    )
    edit_general_settings_form = EditGeneralSettingsForm(
        user,
        prefix='edit_general_settings_form'
    )
    edit_interface_settings_form = EditInterfaceSettingsForm(
        prefix='edit_interface_settings_form'
    )
    edit_notification_settings_form = EditNotificationSettingsForm(
        prefix='edit_notification_settings_form'
    )
    if (
        admin_edit_user_form.submit.data
        and admin_edit_user_form.validate()
    ):
        user.confirmed = admin_edit_user_form.confirmed.data
        role_id = hashids.decode(admin_edit_user_form.role.data)
        user.role = Role.query.get(role_id)
        flash('Your changes have been saved')
        return redirect(url_for('.edit_user', user_id=user.id))
    if (
        edit_general_settings_form.submit.data
        and edit_general_settings_form.validate()
    ):
        user.email = edit_general_settings_form.email.data
        user.username = edit_general_settings_form.username.data
        db.session.commit()
        flash('Your changes have been saved')
        return redirect(url_for('.edit_user', user_id=user.id))
    if (
        edit_interface_settings_form.submit.data
        and edit_interface_settings_form.validate()
    ):
        user.setting_dark_mode = edit_interface_settings_form.dark_mode.data
        db.session.commit()
        flash('Your changes have been saved')
        return redirect(url_for('.edit_user', user_id=user.id))
    if (
        edit_notification_settings_form.submit.data
        and edit_notification_settings_form.validate()
    ):
        user.setting_job_status_mail_notification_level = \
            UserSettingJobStatusMailNotificationLevel[
                edit_notification_settings_form.job_status_mail_notification_level.data  # noqa
            ]
        db.session.commit()
        flash('Your changes have been saved')
        return redirect(url_for('.edit_user', user_id=user.id))
    admin_edit_user_form.confirmed.data = user.confirmed
    admin_edit_user_form.role.data = user.role.hashid
    edit_general_settings_form.email.data = user.email
    edit_general_settings_form.username.data = user.username
    edit_interface_settings_form.dark_mode.data = user.setting_dark_mode
    edit_notification_settings_form.job_status_mail_notification_level.data = \
        user.setting_job_status_mail_notification_level.name
    return render_template(
        'admin/edit_user.html.j2',
        admin_edit_user_form=admin_edit_user_form,
        edit_general_settings_form=edit_general_settings_form,
        edit_interface_settings_form=edit_interface_settings_form,
        edit_notification_settings_form=edit_notification_settings_form,
        title='Edit user',
        user=user
    )