#!/usr/bin/env node

'use strict';

/* global describe */
/* global before */
/* global after */
/* global it */

require('chromedriver');

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

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

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

    var server, browser = new Builder().forBrowser('chrome').build();
    var username = 'admin', password = 'changeme';

    before(function (done) {
        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();
    });

    var LOCATION = 'test';
    var TEST_TIMEOUT = 30000;
    var FOLDER = 'xmf'; // keep this small. long folder names fail in automation, not sure why
    var SYNC_PORT = 22001;
    var EXEC_ARGS = { cwd: path.resolve(__dirname, '..'), stdio: 'inherit' };

    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 pageLoaded() {
        return browser.wait(until.titleMatches(/[0-9a-f]{12} \| Syncthing/), TEST_TIMEOUT);
    }

    function visible(selector) {
        return browser.wait(until.elementLocated(selector), TEST_TIMEOUT).then(function () {
            return browser.wait(until.elementIsVisible(browser.findElement(selector)), TEST_TIMEOUT);
        });
    }

    function invalidPassword(callback) {
        superagent.get('https://' + app.fqdn).auth(username, password + 'x').end(function (error, result) {
            expect(result.status).to.eql(401);

            callback();
        });
    }

    function loadPage(callback) {
        browser.manage().deleteAllCookies().then(function () {
            return browser.sleep(10000);
        }).then(function() {
            return browser.get('https://' + username + ':' + encodeURIComponent(password) + '@' + app.fqdn).then(function () {
                return browser.get('https://' + app.fqdn);
            });
        }).then(function () {
            return pageLoaded();
        }).then(function () {
            callback();
        });
    }

    function addFolder(callback) {
        browser.get('https://' + app.fqdn).then(function () {
            return browser.findElement(by.css('[ng-click*=addFolder]')).click();
        }).then(function () {
            return visible(by.id('folderPath'));
        }).then(function () {
            return browser.sleep(4000); // wait more, not sure why this is needed
        }).then(function() {
            return browser.findElement(by.id('folderLabel')).sendKeys(FOLDER);
        }).then(function () {
            return browser.sleep(4000); // without this sometimes only part of the folder name gets through
        }).then(function() {
            return browser.findElement(by.css('[ng-click*=saveFolder]')).click();
        }).then(function() {
            return browser.wait(until.elementLocated(by.css('#folders .panel-status span[ng-switch-when=unshared]')), TEST_TIMEOUT);
        }).then(function () {
            return browser.sleep(4000);
        }).then(function() {
            callback();
        });
    }

    function checkFolder(callback) {
        browser.get('https://' + app.fqdn).then(function () {
            return browser.wait(until.elementLocated(by.xpath(`//span[text()="${FOLDER}"]`)), TEST_TIMEOUT);
        }).then(function () {
            callback();
        });
    }

    function removeFolder(callback) {
        browser.get('https://' + app.fqdn).then(function () {
            return pageLoaded();
        }).then(function() {
            return browser.findElement(by.css('#folders button')).click();
        }).then(function () {
            return browser.sleep(3000); //No way to check for visibility of angular-js components
        }).then(function () {
            return browser.findElement(by.css('#folder-0 button[ng-click*=editFolder]')).click();
        }).then(function () {
            return browser.sleep(3000); //No way to check for visibility of angular-js components
        }).then(function () {
            return browser.findElement(by.xpath('//button[@data-target="#remove-folder-confirmation"]')).click();
        }).then(function () {
            return browser.sleep(3000); //No way to check for visibility of angular-js components
        }).then(function () {
            return browser.findElement(by.css('[ng-click*=deleteFolder]')).click();
        }).then(function () {
            return browser.sleep(3000); //This needs to run for some time
        }).then(function () {
            callback();
        });
    }

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

    it('install app', function () { execSync('cloudron install --port-bindings SYNC_PORT=' + SYNC_PORT + ' --location ' + LOCATION, EXEC_ARGS); });
    it('can get app information', getAppInfo);

    it('fails with invalid password', invalidPassword);
    it('can load page', loadPage);
    it('can add folder', addFolder);

    it('backup app', function () { execSync('cloudron backup create --app ' + app.id, EXEC_ARGS); });
    it('restore app', function () { execSync('cloudron restore --app ' + app.id, EXEC_ARGS); });

    it('can load page', loadPage);
    it('can check folder', checkFolder);

    it('move to different location', function (done) {
        // ensure we don't hit NXDOMAIN in the mean time
        browser.get('about:blank').then(function () {
            execSync(`cloudron configure --location ${LOCATION}2 --app ${app.id}`, EXEC_ARGS);
            done();
        });
    });
    it('can get app information', getAppInfo);

    it('can load page', loadPage);
    it('can check folder', checkFolder);
    it('can remove folder', removeFolder);

    it('uninstall app', function (done) {
        browser.get('about:blank').then(function () {
            execSync('cloudron uninstall --app ' + app.id, EXEC_ARGS);
            done();
        });
    });

    // test update
    it('can install app', function () { execSync('cloudron install --port-bindings SYNC_PORT=' + SYNC_PORT + ' --appstore-id net.syncthing.cloudronapp2 --location ' + LOCATION, EXEC_ARGS); });
    it('can get app information', getAppInfo);
    it('can load page', loadPage);
    it('can add folder', addFolder);
    it('can update', function () { execSync('cloudron update --app ' + LOCATION, EXEC_ARGS); });
    it('wait for app to startup fully', function (done) { setTimeout(done, 10000); });
    it('can check folder', checkFolder);

    it('uninstall app', function (done) {
        browser.get('about:blank').then(function () {
            execSync('cloudron uninstall --app ' + app.id, EXEC_ARGS);
            done();
        });
    });
});