/*!
 * @license
 * Copyright 2016 Alfresco Software, 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 { Component, ElementRef, Input } from '@angular/core';
import { FileModel } from '../models/file.model';

/**
 * <alfresco-file-uploading-list [filesUploadingList]="FileModel[]" ></alfresco-file-uploading-list>
 *
 * This component show a list of the uploading files contained in the filesUploadingList.
 *
 * @InputParam {FileModel[]} filesUploadingList - list of the uploading files .
 *
 *
 * @returns {FileUploadingListComponent} .
 */
@Component({
    selector: 'alfresco-file-uploading-list',
    moduleId: module.id,
    templateUrl: './file-uploading-list.component.html',
    styleUrls: ['./file-uploading-list.component.css']
})
export class FileUploadingListComponent {

    @Input()
    filesUploadingList: FileModel [];

    constructor(public el: ElementRef) {
        console.log('filesUploadingList constructor', el);
    }

    /**
     * Abort the in progress uploading of a specific file.
     *
     * @param {string} id - FileModel id of the file to abort.
     */
    abort(id: string): void {
        let file = this.filesUploadingList.filter((uploadingFileModel) => {
            return uploadingFileModel.id === id;
        });
        file[0].emitAbort();
    }

    /**
     * Call the abort method for each file
     */
    cancelAllFiles($event) {
        if ($event) {
            $event.preventDefault();
        }
        this.filesUploadingList.forEach((uploadingFileModel: FileModel) => {
            uploadingFileModel.emitAbort();
        });
    }

    /**
     * Verify if all the files are in state done or abort
     * @returns {boolean} - false if there is a file in progress
     */
    isUploadCompleted() {
        let isPending = false;
        let isAllCompleted = true;
        for (let i = 0; i < this.filesUploadingList.length && !isPending; i++) {
            let uploadingFileModel = this.filesUploadingList[i];
            if (!uploadingFileModel.done && !uploadingFileModel.abort) {
                isPending = true;
                isAllCompleted = false;
            }
        }
        return isAllCompleted;
    }
}
