/* Copyright IBM Corp. 2018 */
import { tmpdir } from 'os';
import { join } from 'path';
import { first, mergeMapTo, switchMap, tap, toArray } from 'rxjs/operators';
import { v4 } from 'uuid';

import { rxDeleteDir, rxDeleteFile } from '../src/utils/rx.delete';
import { rxDownloadFile } from '../src/utils/rx.download';
import { rxUnzipFromUrl } from '../src/utils/rx.zip';

describe('rx.unzip', () => {

    it('should download zipball', () => {

        const dir = tmpdir();
        const name = v4();

        const dstName = join(dir, name + '.zip');

        const ob = rxDownloadFile('https://api.github.com/repos/ibm-wch/wch-site-application/zipball', dstName).pipe(
            first(),
            tap(s => expect(s).toBe(dstName)),
            switchMap(rxDeleteFile)
        );

        return ob.toPromise();
    });

    it('should download and uncompress', () => {
        const dir = tmpdir();
        const name = v4();
        const dstDir = join(dir, name);

        const rxDelete = rxDeleteDir(dstDir);

        const ob = rxUnzipFromUrl('https://github.com/ibm-wch/wch-site-application/archive/master.zip', dstDir).pipe(
            toArray(),
            tap(files => expect(files.length).toBeGreaterThan(0)),
            mergeMapTo(rxDelete)
        );

        return ob.toPromise();
    });

    it('should download', () => {

        const dir = tmpdir();
        const name = v4();

        const dstName = join(dir, name + '.zip');

        const ob = rxDownloadFile('https://github.com/ibm-wch/wch-site-application/archive/master.zip', dstName).pipe(
            first(),
            tap(s => expect(s).toBe(dstName)),
            switchMap(rxDeleteFile)
        );

        return ob.toPromise();
    });
});