import { green, red } from 'colors';
import { ExifImage } from 'exif';
import * as exifr from 'exifr';
import { File } from 'formidable';
import { createReadStream, createWriteStream, existsSync, readFileSync, rename, unlinkSync, writeFile } from 'fs';
import * as path from 'path';
import { basename } from 'path';
import * as sharp from 'sharp';
import { Readable, Stream } from 'stream';
import { filesDirectory, publicDirectory } from '.';
import { Opt } from '../fields/Doc';
import { ParsedPDF } from '../server/PdfTypes';
import { Utils } from '../Utils';
import { createIfNotExists } from './ActionUtilities';
import { clientPathToFile, Directory, pathToDirectory, serverPathToFile } from './ApiManagers/UploadManager';
import { resolvedServerUrl } from './server_Initialization';
import { AcceptableMedia, Upload } from './SharedMediaTypes';
import request = require('request-promise');
import formidable = require('formidable');
import { AzureManager } from './ApiManagers/AzureManager';
import axios from 'axios';
const spawn = require('child_process').spawn;
const { exec } = require('child_process');
const parse = require('pdf-parse');
const ffmpeg = require('fluent-ffmpeg');
const fs = require('fs');
const requestImageSize = require('../client/util/request-image-size');
const md5File = require('md5-file');

export enum SizeSuffix {
    Small = '_s',
    Medium = '_m',
    Large = '_l',
    Original = '_o',
    None = '',
}

export function InjectSize(filename: string, size: SizeSuffix) {
    const extension = path.extname(filename).toLowerCase();
    return filename.substring(0, filename.length - extension.length) + size + extension;
}

function isLocal() {
    return /Dash-Web[0-9]*[\\\/]src[\\\/]server[\\\/]public[\\\/](.*)/;
}

function usingAzure() {
    return process.env.USE_AZURE === 'true';
}

export namespace DashUploadUtils {
    export interface Size {
        width: number;
        suffix: SizeSuffix;
    }

    export const Sizes: { [size: string]: Size } = {
        SMALL: { width: 100, suffix: SizeSuffix.Small },
        MEDIUM: { width: 400, suffix: SizeSuffix.Medium },
        LARGE: { width: 900, suffix: SizeSuffix.Large },
    };

    export function validateExtension(url: string) {
        return AcceptableMedia.imageFormats.includes(path.extname(url).toLowerCase());
    }

    const size = 'content-length';
    const type = 'content-type';

    const BLOBSTORE_URL = process.env.BLOBSTORE_URL;
    const RESIZE_FUNCTION_URL = process.env.RESIZE_FUNCTION_URL;

    const { imageFormats, videoFormats, applicationFormats, audioFormats } = AcceptableMedia; //TODO:glr

    export async function concatVideos(filePaths: string[]): Promise<Upload.AccessPathInfo> {
        // make a list of paths to create the ordered text file for ffmpeg
        const inputListName = 'concat.txt';
        const textFilePath = path.join(filesDirectory, inputListName);
        // make a list of paths to create the ordered text file for ffmpeg
        const filePathsText = filePaths.map(filePath => `file '${filePath}'`).join('\n');
        // write the text file to the file system
        await new Promise<void>((res, reject) =>
            writeFile(textFilePath, filePathsText, err => {
                if (err) {
                    reject();
                    console.log(err);
                } else res();
            })
        );

        // make output file name based on timestamp
        const outputFileName = `output-${Utils.GenerateGuid()}.mp4`;
        // create the output file path in the videos directory
        const outputFilePath = path.join(pathToDirectory(Directory.videos), outputFileName);

        // concatenate the videos
        await new Promise((resolve, reject) => {
            var merge = ffmpeg();
            merge
                .input(textFilePath)
                .inputOptions(['-f concat', '-safe 0'])
                // .outputOptions('-c copy')
                //.videoCodec("copy")
                .save(outputFilePath)
                .on('error', (err: any) => {
                    console.log(err);
                    reject();
                })
                .on('end', resolve);
        });

        // delete concat.txt from the file system
        unlinkSync(textFilePath);
        // delete the old segment videos from the server
        filePaths.forEach(filePath => unlinkSync(filePath));

        // return the path(s) to the output file
        return {
            accessPaths: getAccessPaths(Directory.videos, outputFileName),
        };
    }

    function resolveExistingFile(name: string, pat: string, directory: Directory, type?: string, duration?: number, rawText?: string) {
        const data = { size: 0, path: path.basename(pat), name, type: type ?? '' };
        const file = { ...data, toJSON: () => ({ ...data, filename: data.path.replace(/.*\//, ''), mtime: duration?.toString(), mime: '', toJson: () => undefined as any }) };
        return {
            source: file,
            result: {
                accessPaths: {
                    agnostic: getAccessPaths(directory, data.path),
                },
                rawText,
                duration,
            },
        };
    }

    export function QueryYoutubeProgress(videoId: string, user?: Express.User) {
        // console.log(`PROGRESS:${videoId}`, (user as any)?.email);
        return uploadProgress.get(videoId) ?? 'pending data upload';
    }

    export let uploadProgress = new Map<string, string>();

    export function uploadYoutube(videoId: string, overwriteId: string): Promise<Upload.FileResponse> {
        return new Promise<Upload.FileResponse<Upload.FileInformation>>((res, rej) => {
            const name = videoId;
            const path = name.replace(/^-/, '__') + '.mp4';
            const finalPath = serverPathToFile(Directory.videos, path);
            if (existsSync(finalPath)) {
                uploadProgress.set(overwriteId, 'computing duration');
                exec(`yt-dlp -o ${finalPath} "https://www.youtube.com/watch?v=${videoId}" --get-duration`, (error: any, stdout: any, stderr: any) => {
                    const time = Array.from(stdout.trim().split(':')).reverse();
                    const duration = (time.length > 2 ? Number(time[2]) * 1000 * 60 : 0) + (time.length > 1 ? Number(time[1]) * 60 : 0) + (time.length > 0 ? Number(time[0]) : 0);
                    res(resolveExistingFile(name, finalPath, Directory.videos, 'video/mp4', duration, undefined));
                });
            } else {
                uploadProgress.set(overwriteId, 'starting download');
                const ytdlp = spawn(`yt-dlp`, ['-o', path, `https://www.youtube.com/watch?v=${videoId}`, '--max-filesize', '100M', '-f', 'mp4']);

                ytdlp.stdout.on('data', (data: any) => uploadProgress.set(overwriteId, data.toString()));

                let errors = '';
                ytdlp.stderr.on('data', (data: any) => {
                    uploadProgress.set(overwriteId, 'error:' + data.toString());
                    errors = data.toString();
                });

                ytdlp.on('exit', function (code: any) {
                    if (code) {
                        res({
                            source: {
                                size: 0,
                                path,
                                name,
                                type: '',
                                toJSON: () => ({ name, path }),
                            },
                            result: { name: 'failed youtube query', message: `Could not archive video.  ${code ? errors : uploadProgress.get(videoId)}` },
                        });
                    } else {
                        uploadProgress.set(overwriteId, 'computing duration');
                        exec(`yt-dlp-o ${path} "https://www.youtube.com/watch?v=${videoId}" --get-duration`, (error: any, stdout: any, stderr: any) => {
                            const time = Array.from(stdout.trim().split(':')).reverse();
                            const duration = (time.length > 2 ? Number(time[2]) * 1000 * 60 : 0) + (time.length > 1 ? Number(time[1]) * 60 : 0) + (time.length > 0 ? Number(time[0]) : 0);
                            const data = { size: 0, path, name, type: 'video/mp4' };
                            const file = { ...data, toJSON: () => ({ ...data, filename: data.path.replace(/.*\//, ''), mtime: duration.toString(), mime: '', toJson: () => undefined as any }) };
                            res(MoveParsedFile(file, Directory.videos));
                        });
                    }
                });
            }
        });
    }

    export async function upload(file: File, overwriteGuid?: string): Promise<Upload.FileResponse> {
        const isAzureOn = usingAzure();
        const { type, path, name } = file;
        const types = type?.split('/') ?? [];
        uploadProgress.set(overwriteGuid ?? name, 'uploading'); // If the client sent a guid it uses to track upload progress, use that guid. Otherwise, use the file's name.

        const category = types[0];
        let format = `.${types[1]}`;
        console.log(green(`Processing upload of file (${name}) and format (${format}) with upload type (${type}) in category (${category}).`));

        switch (category) {
            case 'image':
                if (imageFormats.includes(format)) {
                    const result = await UploadImage(path, basename(path));
                    return { source: file, result };
                }
                fs.unlink(path, () => {});
                return { source: file, result: { name: 'Unsupported image format', message: `Could not upload unsupported file (${name}). Please convert to an .jpg` } };
            case 'video':
                if (format.includes('x-matroska')) {
                    console.log('case video');
                    await new Promise(res =>
                        ffmpeg(file.path)
                            .videoCodec('copy') // this will copy the data instead of reencode it
                            .save(file.path.replace('.mkv', '.mp4'))
                            .on('end', res)
                            .on('error', (e: any) => console.log(e))
                    );
                    file.path = file.path.replace('.mkv', '.mp4');
                    format = '.mp4';
                }
                if (format.includes('quicktime')) {
                    let abort = false;
                    await new Promise<void>(res =>
                        ffmpeg.ffprobe(file.path, (err: any, metadata: any) => {
                            if (metadata.streams.some((stream: any) => stream.codec_name === 'hevc')) {
                                abort = true;
                            }
                            res();
                        })
                    );
                    if (abort) {
                        // bcz: instead of aborting, we could convert the file using the code below to an mp4.  Problem is that this takes a long time and will clog up the server.
                        // await new Promise(res =>
                        //     ffmpeg(file.path)
                        //         .videoCodec('libx264') // this will copy the data instead of reencode it
                        //         .audioCodec('mp2')
                        //         .save(file.path.replace('.MOV', '.mp4').replace('.mov', '.mp4'))
                        //         .on('end', res)
                        // );
                        // file.path = file.path.replace('.mov', '.mp4').replace('.MOV', '.mp4');
                        // format = '.mp4';
                        fs.unlink(path, () => {});
                        return { source: file, result: { name: 'Unsupported video format', message: `Could not upload unsupported file (${name}). Please convert to an .mp4` } };
                    }
                }
                if (videoFormats.includes(format) || format.includes('.webm')) {
                    return MoveParsedFile(file, Directory.videos);
                }
                fs.unlink(path, () => {});
                return { source: file, result: { name: 'Unsupported video format', message: `Could not upload unsupported file (${name}). Please convert to an .mp4` } };
            case 'application':
                if (applicationFormats.includes(format)) {
                    const val = UploadPdf(file);
                    if (val) return val;
                }
            case 'audio':
                const components = format.split(';');
                if (components.length > 1) {
                    format = components[0];
                }
                if (audioFormats.includes(format)) {
                    return UploadAudio(file, format);
                }
                fs.unlink(path, () => {});
                return { source: file, result: { name: 'Unsupported audio format', message: `Could not upload unsupported file (${name}). Please convert to an .mp3` } };
            case 'text':
                if (types[1] == 'csv') {
                    return UploadCsv(file);
                }
        }

        console.log(red(`Ignoring unsupported file (${name}) with upload type (${type}).`));
        fs.unlink(path, () => {});
        return { source: file, result: new Error(`Could not upload unsupported file (${name}) with upload type (${type}).`) };
    }

    async function UploadPdf(file: File) {
        const fileKey = (await md5File(file.path)) + '.pdf';
        const textFilename = `${fileKey.substring(0, fileKey.length - 4)}.txt`;
        if (fExists(fileKey, Directory.pdfs) && fExists(textFilename, Directory.text)) {
            fs.unlink(file.path, () => {});
            return new Promise<Upload.FileResponse>(res => {
                const textFilename = `${fileKey.substring(0, fileKey.length - 4)}.txt`;
                const readStream = createReadStream(serverPathToFile(Directory.text, textFilename));
                var rawText = '';
                readStream.on('data', chunk => (rawText += chunk.toString())).on('end', () => res(resolveExistingFile(file.name, fileKey, Directory.pdfs, file.type, undefined, rawText)));
            });
        }
        const dataBuffer = readFileSync(file.path);
        const result: ParsedPDF | any = await parse(dataBuffer).catch((e: any) => e);
        if (!result.code) {
            await new Promise<void>((resolve, reject) => {
                const writeStream = createWriteStream(serverPathToFile(Directory.text, textFilename));
                writeStream.write(result?.text, error => (error ? reject(error) : resolve()));
            });
            return MoveParsedFile(file, Directory.pdfs, undefined, result?.text, undefined, fileKey);
        }
        return { source: file, result: { name: 'faile pdf pupload', message: `Could not upload (${file.name}).${result.message}` } };
    }

    async function UploadCsv(file: File) {
        const { path: sourcePath } = file;
        // read the file as a string
        const data = readFileSync(sourcePath, 'utf8');
        // split the string into an array of lines
        return MoveParsedFile(file, Directory.csv, undefined, data);
        // console.log(csvParser(data));
    }

    const manualSuffixes = ['.webm'];

    async function UploadAudio(file: File, format: string) {
        const suffix = manualSuffixes.includes(format) ? format : undefined;
        return MoveParsedFile(file, Directory.audio, suffix);
    }

    /**
     * Uploads an image specified by the @param source to Dash's /public/files/
     * directory, and returns information generated during that upload
     *
     * @param {string} source is either the absolute path of an already uploaded image or
     * the url of a remote image
     * @param {string} filename dictates what to call the image. If not specified,
     * the name {@param prefix}_upload_{GUID}
     * @param {string} prefix is a string prepended to the generated image name in the
     * event that @param filename is not specified
     *
     * @returns {ImageUploadInformation | Error} This method returns
     * 1) the paths to the uploaded images (plural due to resizing)
     * 2) the exif data embedded in the image, or the error explaining why exif couldn't be parsed
     * 3) the size of the image, in bytes (4432130)
     * 4) the content type of the image, i.e. image/(jpeg | png | ...)
     */
    export const UploadImage = async (source: string, filename?: string, prefix: string = ''): Promise<Upload.ImageInformation | Error> => {
        const metadata = await InspectImage(source);
        if (metadata instanceof Error) {
            return { name: metadata.name, message: metadata.message };
        }
        return UploadInspectedImage(metadata, filename || metadata.filename, prefix);
    };

    export async function buildFileDirectories() {
        if (!existsSync(publicDirectory)) {
            console.error('\nPlease ensure that the following directory exists...\n');
            console.log(publicDirectory);
            process.exit(0);
        }
        if (!existsSync(filesDirectory)) {
            console.error('\nPlease ensure that the following directory exists...\n');
            console.log(filesDirectory);
            process.exit(0);
        }
        const pending = Object.keys(Directory).map(sub => createIfNotExists(`${filesDirectory}/${sub}`));
        return Promise.all(pending);
    }

    export interface RequestedImageSize {
        width: number;
        height: number;
        type: string;
    }

    export interface ImageResizer {
        resizer?: sharp.Sharp;
        suffix: SizeSuffix;
    }

    /**
     * Based on the url's classification as local or remote, gleans
     * as much information as possible about the specified image
     *
     * @param source is the path or url to the image in question
     */
    export const InspectImage = async (source: string): Promise<Upload.InspectionResults | Error> => {
        let rawMatches: RegExpExecArray | null;
        let filename: string | undefined;
        /**
         * Just more edge case handling: this if clause handles the case where an image onto the canvas that
         * is represented by a base64 encoded data uri, rather than a proper file. We manually write it out
         * to the server and then carry on as if it had been put there by the Formidable form / file parser.
         */
        if ((rawMatches = /^data:image\/([a-z]+);base64,(.*)/.exec(source)) !== null) {
            const [ext, data] = rawMatches.slice(1, 3);
            const resolved = (filename = `upload_${Utils.GenerateGuid()}.${ext}`);
            if (usingAzure()) {
                const response = await AzureManager.UploadBase64ImageBlob(resolved, data);
                source = `${AzureManager.BASE_STRING}/${resolved}`;
            } else {
                const error = await new Promise<Error | null>(resolve => {
                    writeFile(serverPathToFile(Directory.images, resolved), data, 'base64', resolve);
                });
                if (error !== null) {
                    return error;
                }
                source = `${resolvedServerUrl}${clientPathToFile(Directory.images, resolved)}`;
            }
        }
        let resolvedUrl: string;
        /**
         *
         * At this point, we want to take whatever url we have and make sure it's requestable.
         * Anything that's hosted by some other website already is, but if the url is a local file url
         * (locates the file on this server machine), we have to resolve the client side url by cutting out the
         * basename subtree (i.e. /images/<some_guid>.<ext>) and put it on the end of the server's url.
         *
         * This can always be localhost, regardless of whether this is on the server or not, since we (the server, not the client)
         * will be the ones making the request, and from the perspective of dash-release or dash-web, localhost:<port> refers to the same thing
         * as the full dash-release.eastus.cloudapp.azure.com:<port>.
         */
        const matches = isLocal().exec(source);
        if (matches === null) {
            resolvedUrl = source;
        } else {
            resolvedUrl = `${resolvedServerUrl}/${matches[1].split('\\').join('/')}`;
        }
        // See header comments: not all image files have exif data (I believe only JPG is the only format that can have it)
        const exifData = await parseExifData(resolvedUrl);
        const results = {
            exifData,
            requestable: resolvedUrl,
        };

        // Use the request library to parse out file level image information in the headers
        const { headers } = await new Promise<any>((resolve, reject) => {
            return request.head(resolvedUrl, (error, res) => (error ? reject(error) : resolve(res)));
        }).catch(e => {
            console.log('Error processing headers: ', e);
        });

        try {
            // Compute the native width and height ofthe image with an npm module
            const { width: nativeWidth, height: nativeHeight } = await requestImageSize(resolvedUrl);
            // Bundle up the information into an object
            return {
                source,
                contentSize: parseInt(headers[size]),
                contentType: headers[type],
                nativeWidth,
                nativeHeight,
                filename,
                ...results,
            };
        } catch (e: any) {
            console.log(e);
            return e;
        }
    };

    /**
     * Basically just a wrapper around rename, which 'deletes'
     * the file at the old path and 'moves' it to the new one. For simplicity, the
     * caller just has to pass in the name of the target directory, and this function
     * will resolve the actual target path from that.
     * @param file The file to move
     * @param destination One of the specific media asset directories into which to move it
     * @param suffix If the file doesn't have a suffix and you want to provide it one
     * to appear in the new location
     */
    export async function MoveParsedFile(file: formidable.File, destination: Directory, suffix: string | undefined = undefined, text?: string, duration?: number, targetName?: string): Promise<Upload.FileResponse> {
        const { path: sourcePath } = file;
        let name = targetName ?? path.basename(sourcePath);
        suffix && (name += suffix);
        return new Promise(resolve => {
            const destinationPath = serverPathToFile(destination, name);
            rename(sourcePath, destinationPath, error => {
                resolve({
                    source: file,
                    result: error
                        ? error
                        : {
                              accessPaths: {
                                  agnostic: getAccessPaths(destination, name),
                              },
                              rawText: text,
                              duration,
                          },
                });
            });
        });
    }

    export function fExists(name: string, destination: Directory) {
        const destinationPath = serverPathToFile(destination, name);
        return existsSync(destinationPath);
    }

    export function getAccessPaths(directory: Directory, fileName: string) {
        return {
            client: clientPathToFile(directory, fileName),
            server: serverPathToFile(directory, fileName),
        };
    }

    /**
     * UploadInspectedImage() takes an image with its metadata. If Azure is being used, this method will call the Azure function
     * to execute the resizing. If Azure is not used, the function will begin to resize the image.
     *
     * @param metadata metadata object from InspectImage()
     * @param filename the name of the file
     * @param prefix the prefix to use, which will be set to '' if none is provided.
     * @param cleanUp a boolean indicating if the files should be deleted after upload. True by default.
     * @returns the accessPaths for the resized files.
     */
    export const UploadInspectedImage = async (metadata: Upload.InspectionResults, filename?: string, prefix = '', cleanUp = true): Promise<Upload.ImageInformation> => {
        const { requestable, source, ...remaining } = metadata;
        const resolved = filename || `${prefix}upload_${Utils.GenerateGuid()}.${remaining.contentType.split('/')[1].toLowerCase()}`;
        const { images } = Directory;
        const information: Upload.ImageInformation = {
            accessPaths: {
                agnostic: usingAzure()
                    ? {
                          client: BLOBSTORE_URL + `/${resolved}`,
                          server: BLOBSTORE_URL + `/${resolved}`,
                      }
                    : getAccessPaths(images, resolved),
            },
            ...metadata,
        };
        let writtenFiles: { [suffix: string]: string };

        if (usingAzure()) {
            if (!RESIZE_FUNCTION_URL) {
                throw new Error('Resize function URL not provided.');
            }

            try {
                const response = await axios.post(RESIZE_FUNCTION_URL, {
                    url: requestable,
                    filename: resolved,
                });
                writtenFiles = response.data.writtenFiles;
            } catch (err) {
                console.error(err);
                writtenFiles = {};
            }
        } else {
            writtenFiles = await outputResizedImages(() => request(requestable), resolved, pathToDirectory(Directory.images));
        }
        for (const suffix of Object.keys(writtenFiles)) {
            information.accessPaths[suffix] = getAccessPaths(images, writtenFiles[suffix]);
        }
        if (isLocal().test(source) && cleanUp) {
            unlinkSync(source);
        }
        return information;
    };

    const bufferConverterRec = (layer: any) => {
        for (const key of Object.keys(layer)) {
            const val: any = layer[key];
            if (val instanceof Buffer) {
                layer[key] = val.toString();
            } else if (Array.isArray(val) && typeof val[0] === 'number') {
                layer[key] = Buffer.from(val).toString();
            } else if (typeof val === 'object') {
                bufferConverterRec(val);
            }
        }
    };

    const parseExifData = async (source: string) => {
        const image = await request.get(source, { encoding: null });
        const { data, error } = await new Promise<{ data: any; error: any }>(resolve => {
            new ExifImage({ image }, (error, data) => {
                let reason: Opt<string> = undefined;
                if (error) {
                    reason = (error as any).code;
                }
                resolve({ data, error: reason });
            });
        });
        //data && bufferConverterRec(data);
        return error ? { data: undefined, error } : { data: await exifr.parse(image), error };
    };

    const { pngs, jpgs, webps, tiffs } = AcceptableMedia;
    const pngOptions = {
        compressionLevel: 9,
        adaptiveFiltering: true,
        force: true,
    };

    /**
     * outputResizedImages takes in a readable stream and resizes the images according to the sizes defined at the top of this file.
     *
     * The new images will be saved to the server with the corresponding prefixes.
     * @param streamProvider a Stream of the image to process, taken from the /parsed_files location
     * @param outputFileName the basename (No suffix) of the outputted file.
     * @param outputDirectory the directory to output to, usually Directory.Images
     * @returns a map with suffixes as keys and resized filenames as values.
     */
    export async function outputResizedImages(streamProvider: () => Stream | Promise<Stream>, outputFileName: string, outputDirectory: string) {
        const writtenFiles: { [suffix: string]: string } = {};
        for (const { resizer, suffix } of resizers(path.extname(outputFileName))) {
            const outputPath = path.resolve(outputDirectory, (writtenFiles[suffix] = InjectSize(outputFileName, suffix)));
            await new Promise<void>(async (resolve, reject) => {
                const source = streamProvider();
                let readStream = source instanceof Promise ? await source : source;
                let error = false;
                if (resizer) {
                    readStream = readStream.pipe(resizer.withMetadata()).on('error', async args => {
                        error = true;
                        if (error) {
                            const source2 = streamProvider();
                            let readStream2: Stream | undefined;
                            readStream2 = source2 instanceof Promise ? await source2 : source2;
                            readStream2?.pipe(createWriteStream(outputPath)).on('error', resolve).on('close', resolve);
                        }
                    });
                }
                !error && readStream?.pipe(createWriteStream(outputPath)).on('error', resolve).on('close', resolve);
            });
        }
        return writtenFiles;
    }

    /**
     * define the resizers to use
     * @param ext the extension
     * @returns an array of resizer functions from sharp
     */
    function resizers(ext: string): DashUploadUtils.ImageResizer[] {
        return [
            { suffix: SizeSuffix.Original },
            ...Object.values(DashUploadUtils.Sizes).map(({ suffix, width }) => {
                let initial: sharp.Sharp | undefined = sharp({ failOnError: false }).resize(width, undefined, { withoutEnlargement: true });
                if (pngs.includes(ext)) {
                    initial = initial.png(pngOptions);
                } else if (jpgs.includes(ext)) {
                    initial = initial.jpeg();
                } else if (webps.includes(ext)) {
                    initial = initial.webp();
                } else if (tiffs.includes(ext)) {
                    initial = initial.tiff();
                } else if (ext === '.gif') {
                    initial = undefined;
                }
                return {
                    resizer: suffix === '_o' ? undefined : initial,
                    suffix,
                };
            }),
        ];
    }
}