// (C) Copyright 2015 Moodle Pty Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import { Injectable } from '@angular/core';

import { CoreCourseHelper } from '@features/course/services/course-helper';
import { CorePushNotificationsClickHandler } from '@features/pushnotifications/services/push-delegate';
import { CorePushNotificationsNotificationBasicData } from '@features/pushnotifications/services/pushnotifications';
import { CoreUrlUtils } from '@services/utils/url';
import { CoreUtils } from '@services/utils/utils';
import { makeSingleton } from '@singletons';
import { AddonModQuiz } from '../quiz';
import { AddonModQuizHelper } from '../quiz-helper';

/**
 * Handler for quiz push notifications clicks.
 */
@Injectable({ providedIn: 'root' })
export class AddonModQuizPushClickHandlerService implements CorePushNotificationsClickHandler {

    name = 'AddonModQuizPushClickHandler';
    priority = 200;
    featureName = 'CoreCourseModuleDelegate_AddonModQuiz';

    protected readonly SUPPORTED_NAMES = ['submission', 'confirmation', 'attempt_overdue'];

    /**
     * Check if a notification click is handled by this handler.
     *
     * @param notification The notification to check.
     * @returns Whether the notification click is handled by this handler
     */
    async handles(notification: AddonModQuizPushNotificationData): Promise<boolean> {
        return CoreUtils.isTrueOrOne(notification.notif) && notification.moodlecomponent == 'mod_quiz' &&
                this.SUPPORTED_NAMES.indexOf(notification.name ?? '') != -1;
    }

    /**
     * Handle the notification click.
     *
     * @param notification The notification to check.
     * @returns Promise resolved when done.
     */
    async handleClick(notification: AddonModQuizPushNotificationData): Promise<void> {
        const contextUrlParams = CoreUrlUtils.extractUrlParams(notification.contexturl || '');
        const data = notification.customdata || {};
        const courseId = Number(notification.courseid);

        if (notification.name == 'submission') {
            // A student made a submission, go to view the attempt.
            return AddonModQuizHelper.handleReviewLink(
                Number(contextUrlParams.attempt),
                Number(contextUrlParams.page),
                Number(data.instance),
                notification.site,
            );
        }

        // Open the activity.
        const moduleId = Number(contextUrlParams.id);

        await CoreUtils.ignoreErrors(AddonModQuiz.invalidateContent(moduleId, courseId, notification.site));

        return CoreCourseHelper.navigateToModule(moduleId, {
            courseId,
            siteId: notification.site,
        });
    }

}

export const AddonModQuizPushClickHandler = makeSingleton(AddonModQuizPushClickHandlerService);

type AddonModQuizPushNotificationData = CorePushNotificationsNotificationBasicData & {
    contexturl?: string;
    courseid?: number | string;
};