/* jslint node:true */
/* global it:false */
/* global describe:false */
/* global before:false */
/* global after:false */

'use strict';

const common = require('./common.js'),
    expect = require('expect.js'),
    nock = require('nock'),
    system = require('../system.js');

describe('System', function () {
    const { setup, cleanup } = common;

    before(async function () {
        await setup();
        if (nock.isActive()) nock.restore(); // required to connect to the docker socket
    });
    after(cleanup);

    it('can get filesystems', async function () {
        // does not work on archlinux 8!
        if (require('child_process').execSync('uname -a').toString().indexOf('-arch') !== -1) return;

        const filesystems = await system.getFilesystems();
        expect(filesystems).to.be.ok();
        expect(filesystems.some(fs => fs.mountpoint === '/')).to.be(true);
    });

    it('can get swaps', async function () {
        // does not work on archlinux 8!
        if (require('child_process').execSync('uname -a').toString().indexOf('-arch') !== -1) return;

        const swaps = await system.getSwaps();
        expect(swaps).to.be.ok();
        expect(Object.keys(swaps).some(n => swaps[n].type === 'partition' || swaps[n].type === 'file')).to.be.ok();
    });

    it('can check for disk space', async function () {
        // does not work on archlinux 8!
        if (require('child_process').execSync('uname -a').toString().indexOf('-arch') !== -1) return;

        await system.checkDiskSpace();
    });

    it('can get memory', async function () {
        const memory = await system.getMemory();
        expect(memory.memory).to.be.a('number');
        expect(memory.swap).to.be.a('number');
    });

    it('can get CPUs', async function () {
        const cpus = await system.getCpus();
        expect(cpus).to.be.an(Array);
        expect(cpus[0].model).to.be.a('string');
    });

    it('can get ubuntu version', async function () {
        const v = await system.getUbuntuVersion();
        expect(v).to.be.ok();
    });

    it('can get kernel version', async function () {
        const v = await system.getKernelVersion();
        expect(v).to.be.ok();
    });

    it('can get info', async function () {
        const info = await system.getInfo();

        expect(info.sysVendor).to.be.a('string');
        expect(info.productName).to.be.a('string');
        expect(info.uptimeSecs).to.be.a('number');
        expect(info.rebootRequired).to.be.a('boolean');
    });

    it('can get block devices', async function () {
        const devices = await system.getBlockDevices();
        expect(devices.some(d => d.mountpoint === '/')).to.be(true);
    });

    it('can get filesystems', async function () {
        const filesystems = await system.getFilesystems();
        expect(filesystems.find(v => v.mountpoint === '/')).to.be.ok();
    });

    it('can get filesystemUsage', async function () {
        const filesystems = await system.getFilesystems();
        const rootFs = filesystems.find(v => v.mountpoint === '/');
        expect(rootFs.filesystem).to.be.ok();

        const usageTask = await system.getFilesystemUsage(rootFs.filesystem);

        return new Promise((resolve, reject) => {
            // usageTask.on('data', (type, data) => console.log(type, data));
            usageTask.on('done', (error) => {
                if (error.errorMessage) reject(new Error(error.errorMessage)); else resolve();
            });

            usageTask.start();
        });
    });
});