#!/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');

var execSync = require('child_process').execSync,
    expect = require('expect.js'),
    path = require('path'),
    superagent = require('superagent'),
    webdriver = require('selenium-webdriver');

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

describe('Application life cycle test', function () {
    this.timeout(0);
    var server, browser = new webdriver.Builder().forBrowser('chrome').build();

    var LOCATION = 'test';
    var app;
    var username = process.env.USERNAME;
    var password = process.env.PASSWORD;
    var TIMEOUT = process.env.TIMEOUT | 30000;
    var token, roomId;

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

    function checkLandingPage(done) {
        browser.get('https://' + app.fqdn).then(function () {
            return browser.wait(until.elementLocated(by.xpath('//h1[contains(text(),"Synapse is running")]')), TIMEOUT);
        }).then(function () {
            done();
        });
    }

    // https://matrix.org/docs/spec/client_server/latest
    function checkLogin(done) {
        superagent.post('https://' + app.fqdn + '/_matrix/client/r0/login').send({
            type: 'm.login.password',
            user: username,
            password: password
        }).end(function (error, result) {
            if (error) return done(error);
            if (result.statusCode !== 200) return done(new Error('Login failed with status ' + result.statusCode));

            token = result.body.access_token;
            if (!token) return done(new Error('No token'));

            done();
        });
    }

    function createRoom(done) {
        superagent.post('https://' + app.fqdn + '/_matrix/client/r0/createRoom?access_token=' + token).send({
            room_alias_name: 'discuss'
        }).end(function (error, result) {
            if (error) return done(error);
            if (result.statusCode !== 200) return done(new Error('Room creation failed with status ' + result.statusCode));

            roomId = result.body.room_id;
            if (!roomId) return done(new Error('No room id'));

            done();
        });
    }

    function checkRoom(done) {
        superagent.get('https://' + app.fqdn + '/_matrix/client/r0/joined_rooms?access_token=' + token).end(function (error, result) {
            if (error) return done(error);
            if (result.statusCode !== 200) return done(new Error('Room listing failed with status ' + result.statusCode));

            if (!result.body.joined_rooms.includes(roomId)) return done(new Error('No room in list: ' + JSON.stringify(result.body)));

            done();
        });
    }

    xit('build app', function () {
        execSync('cloudron build', { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' });
    });

    it('install app', function () {
        execSync('cloudron install --location ' + LOCATION, { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' });
    });

    it('can get app information', function () {
        var inspect = JSON.parse(execSync('cloudron inspect'));

        app = inspect.apps.filter(function (a) { return a.location === LOCATION; })[0];

        expect(app).to.be.an('object');
    });

    it('check landing page', checkLandingPage);
    it('can login', checkLogin);
    it('create room', createRoom);
    it('check room', checkRoom);

    it('can restart app', function (done) {
        execSync('cloudron restart');
        done();
    });

    it('check landing page', checkLandingPage);
    it('check room', checkRoom);

    it('backup app', function () {
        execSync('cloudron backup create --app ' + app.id, { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' });
    });

    it('check landing page', checkLandingPage);
    it('check room', checkRoom);

    it('restore app', function () {
        execSync('cloudron restore --app ' + app.id, { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' });
    });

    it('check landing page', checkLandingPage);
    it('check room', checkRoom);

    it('move to different location', function () {
        browser.manage().deleteAllCookies();
        execSync('cloudron configure --location ' + LOCATION + '2', { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' });
        var inspect = JSON.parse(execSync('cloudron inspect'));
        app = inspect.apps.filter(function (a) { return a.location === LOCATION + '2'; })[0];
        expect(app).to.be.an('object');
    });

    it('check landing page', checkLandingPage);
    it('check room', checkRoom);

    it('uninstall app', function () {
        execSync('cloudron uninstall --app ' + app.id, { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' });
    });

    // test update
    it('can install app', function () {
        execSync('cloudron install --appstore-id org.matrix.synapse --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];
        expect(app).to.be.an('object');
    });

    it('check landing page', checkLandingPage);
    it('can login', checkLogin);
    it('create room', createRoom);
    it('check room', checkRoom);

    it('can update', function () {
        execSync('cloudron update --app ' + LOCATION, { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' });
    });

    it('check landing page', checkLandingPage);
    it('check room', checkRoom);
    it('uninstall app', function () {
        execSync('cloudron uninstall --app ' + app.id, { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' });
    });
});