// (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 { makeSingleton } from '@singletons';
import { AddonModDataHelper } from '../data-helper';
import { AddonModDataApproveLinkHandlerService } from '@addons/mod/data/services/handlers/approve-link';

/**
 * Content links handler for database approve/disapprove entry.
 * Match mod/data/view.php?d=6&approve=5 with a valid data id and entryid.
 */
@Injectable({ providedIn: 'root' })
export class AddonModDataApproveLinkHandlerLazyService extends AddonModDataApproveLinkHandlerService {

    /**
     * @inheritdoc
     */
    async handleAction(siteId: string, params: Record<string, string>, courseId?: number): Promise<void> {
        const dataId = parseInt(params.d, 10);
        const entryId = parseInt(params.approve, 10) || parseInt(params.disapprove, 10);
        const approve = parseInt(params.approve, 10) ? true : false;

        await AddonModDataHelper.approveOrDisapproveEntry(dataId, entryId, approve, courseId, siteId);
    }

    /**
     * @inheritdoc
     */
    async isEnabled(siteId: string, url: string, params: Record<string, string>): Promise<boolean> {
        if (params.d === undefined || (params.approve === undefined && params.disapprove === undefined)) {
            // Required fields not defined. Cannot treat the URL.
            return false;
        }

        return true;
    }

}

export const AddonModDataApproveLinkHandler = makeSingleton(AddonModDataApproveLinkHandlerLazyService);