#!/usr/bin/env node

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

'use strict';

require('chromedriver');

const execSync = require('child_process').execSync,
    expect = require('expect.js'),
    path = require('path');

var By = require('selenium-webdriver').By,
    until = require('selenium-webdriver').until,
    Key = require('selenium-webdriver').Key,
    Builder = require('selenium-webdriver').Builder;

if (!process.env.USERNAME || !process.env.PASSWORD) {
    console.log('USERNAME and PASSWORD env vars need to be set');
    process.exit(1);
}

describe('Application life cycle test', function () {
    this.timeout(0);

    var server, browser = new Builder().forBrowser('chrome').build();
    var username = process.env.USERNAME;
    var password = process.env.PASSWORD;

    var LOCATION = 'test';
    var EXEC_ARGS = { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' };
    var TIMEOUT = parseInt(process.env.TIMEOUT, 10) || 50000;

    var app;

    function getAppInfo() {
        var inspect = JSON.parse(execSync('cloudron inspect'));
        app = inspect.apps.filter(function (a) { return a.location === LOCATION || a.location === LOCATION + '2'; })[0];
        expect(app).to.be.an('object');
    }

    function login(done) {
        browser.get(`https://${app.fqdn}/login`).then(function () {
            return browser.wait(until.elementLocated(By.xpath('//input[@name="username"]')), TIMEOUT);
        }).then(function () {
            return browser.findElement(By.xpath('//input[@name="username"]')).sendKeys(username);
        }).then(function () {
            return browser.findElement(By.xpath('//input[@name="password"]')).sendKeys(password);
        }).then(function () {
            return browser.findElement(By.tagName('form')).submit();
        }).then(function () {
            return browser.wait(until.elementLocated(By.xpath('//a[text()="Alerts"]')), TIMEOUT);
        }).then(function () {
            done();
        });
    }

    function logout(done) {
        browser.get(`https://${app.fqdn}/logout`).then(function () {
            return browser.wait(until.elementLocated(By.xpath('//input[@name="username"]')), TIMEOUT);
        }).then(function () {
            done();
        });
    }

    before(function (done) {
        if (!process.env.PASSWORD) return done(new Error('PASSWORD env var not set'));

        var seleniumJar= require('selenium-server-standalone-jar');
        var SeleniumServer = require('selenium-webdriver/remote').SeleniumServer;
        server = new SeleniumServer(seleniumJar.path, { port: 4444 });
        server.start();

        done();
    });

    after(function (done) {
        browser.quit();
        server.stop();
        done();
    });

    xit('build app', function () { execSync('cloudron build', EXEC_ARGS); });

    it('install app', function () { execSync(`cloudron install --location ${LOCATION}`, EXEC_ARGS); });

    it('can get app information', getAppInfo);

    it('can login', login);
    it('can logout', logout);

    it('can restart app', function () { execSync(`cloudron restart --app ${app.id}`, EXEC_ARGS); });
    it('can login', login);
    it('can logout', logout);

    it('backup app', function () { execSync(`cloudron backup create --app ${app.id}`, EXEC_ARGS); });
    it('restore app', function () {
        const backups = JSON.parse(execSync('cloudron backup list --raw'));
        execSync('cloudron uninstall --app ' + app.id, { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' });
        execSync('cloudron install --location ' + LOCATION, { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' });
        var inspect = JSON.parse(execSync('cloudron inspect'));
        app = inspect.apps.filter(function (a) { return a.location === LOCATION; })[0];
        execSync(`cloudron restore --backup ${backups[0].id} --app ${app.id}`, { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' });
    });

    it('can login', login);
    it('can logout', logout);

    it('move to different location', function () { execSync(`cloudron configure --location ${LOCATION}2 --app ${app.id}`, EXEC_ARGS); });
    it('can get app information', getAppInfo);
    it('can login', login);
    it('can logout', logout);

    it('uninstall app', function () { execSync(`cloudron uninstall --app ${app.id}`, EXEC_ARGS); });

    // test update
    it('can install app', function () { execSync(`cloudron install --appstore-id io.prometheus.cloudronapp --location ${LOCATION}`, EXEC_ARGS); });
    it('can get app information', getAppInfo);
    it('can update', function () { execSync(`cloudron update --app ${app.id}`, EXEC_ARGS); });
    it('can login', login);
    it('can logout', logout);
    it('uninstall app', function () { execSync(`cloudron uninstall --app ${app.id}`, EXEC_ARGS); });
});