'use strict';

const apps = require('../apps.js'),
    constants = require('../constants.js'),
    database = require('../database.js'),
    domains = require('../domains.js'),
    expect = require('expect.js'),
    fs = require('fs'),
    mailer = require('../mailer.js'),
    nock = require('nock'),
    path = require('path'),
    paths = require('../paths.js'),
    settings = require('../settings.js'),
    tasks = require('../tasks.js'),
    timers = require('timers/promises'),
    users = require('../users.js');

const manifest = {
    'id': 'io.cloudron.test',
    'author': 'The Presidents Of the United States Of America',
    'title': 'test title',
    'description': 'test description',
    'tagline': 'test rocks',
    'website': 'http://test.cloudron.io',
    'contactEmail': 'test@cloudron.io',
    'version': '0.1.0',
    'manifestVersion': 2,
    'dockerImage': 'cloudron/test:25.2.0',
    'healthCheckPath': '/',
    'httpPort': 7777,
    'tcpPorts': {
        'ECHO_SERVER_PORT': {
            'title': 'Echo Server Port',
            'description': 'Echo server',
            'containerPort': 7778
        }
    },
    'addons': {
        'oauth': { },
        'redis': { },
        'mysql': { },
        'postgresql': { }
    }
};

// copied from the proxy app CloudronManifest.json
const proxyAppManifest = {
    'id': 'io.cloudron.builtin.appproxy',
    'title': 'App Proxy',
    'author': 'Cloudron Team',
    'version': '1.0.0',
    'upstreamVersion': '1.0.0',
    'description': 'file://DESCRIPTION.md',
    'tagline': 'Proxy an app through Cloudron',
    'tags': [ 'proxy', 'external' ],
    'healthCheckPath': '/',
    'httpPort': 3000,
    'minBoxVersion': '7.3.0',
    'dockerImage': 'istobeignored',
    'manifestVersion': 2,
    'multiDomain': true,
    'website': 'https://cloudron.io',
    'documentationUrl': 'https://docs.cloudron.io/dashboard/#app-proxy',
    'forumUrl': 'https://forum.cloudron.io',
    'contactEmail': 'support@cloudron.io',
    'icon': 'file://logo.png',
    'addons': {},
    'mediaLinks': [
        'https://screenshots.cloudron.io/io.cloudron.builtin.appproxy/diagram.png'
    ],
    'changelog': 'file://CHANGELOG.md'
};

const domain = {
    domain: 'example.com',
    zoneName: 'example.com',
    provider: 'noop',
    config: {},
    fallbackCertificate: null,
    tlsConfig: { provider: 'fallback' },
    wellKnown: null
};
Object.freeze(domain);

const auditSource = { ip: '1.2.3.4' };

const admin = {
    id: null,
    username: 'testadmin',
    password: 'secret123',
    email: 'admin@me.com',
    fallbackEmail: 'admin@external.com',
    salt: 'morton',
    createdAt: 'sometime back',
    resetToken: '',
    displayName: 'Administrator',
    groupIds: [],
    role: 'owner',
    source: '',
    avatar: constants.AVATAR_GRAVATAR,
    active: true,
};

const user = {
    id: null,
    username: 'user',
    password: '123secret',
    email: 'user@me.com',
    fallbackEmail: 'user@external.com',
    role: 'user',
    salt: 'morton',
    createdAt: 'sometime back',
    resetToken: '',
    groupIds: [],
    displayName: 'Normal User',
    source: '',
    avatar: constants.AVATAR_NONE,
    active: true,
};

const app = {
    id: 'appid',
    appStoreId: 'appStoreId',
    installationState: apps.ISTATE_PENDING_INSTALL,
    runState: 'running',
    subdomain: 'applocation',
    domain: domain.domain,
    fqdn: domain.domain + '.' + 'applocation',
    manifest,
    containerId: 'someid',
    portBindings: null,
    accessRestriction: null,
    memoryLimit: 0,
    mailboxDomain: domain.domain,
    secondaryDomains: [],
    redirectDomains: [],
    aliasDomains: []
};
Object.freeze(app);

const proxyApp = {
    id: 'proxyapptestid',
    appStoreId: proxyAppManifest.id,
    installationState: apps.ISTATE_PENDING_INSTALL,
    runState: 'running',
    subdomain: 'proxylocation',
    upstreamUri: 'http://1.2.3.4:80',
    domain: domain.domain,
    fqdn: domain.domain + '.' + 'proxylocation',
    manifest,
    containerId: '',
    portBindings: null,
    accessRestriction: null,
    memoryLimit: 0,
    mailboxDomain: domain.domain,
    secondaryDomains: [],
    redirectDomains: [],
    aliasDomains: []
};
Object.freeze(proxyApp);

exports = module.exports = {
    createTree,
    domainSetup,
    databaseSetup,
    setup,
    cleanup,
    checkMails,
    clearMailQueue,

    mockApiServerOrigin: 'http://localhost:6060',
    dashboardDomain: domain.domain,
    dashboardFqdn: `my.${domain.domain}`,

    app,
    proxyApp,
    admin,
    auditSource,
    domain, // the domain object
    manifest,
    user,
    appstoreToken: 'atoken',

    serverUrl: `http://localhost:${constants.PORT}`,
};

function createTree(root, obj) {
    fs.rmSync(root, { recursive: true, force: true });
    fs.mkdirSync(root, { recursive: true });

    function createSubTree(tree, curpath) {
        for (const key in tree) {
            if (typeof tree[key] === 'string') {
                if (key.startsWith('link:')) {
                    fs.symlinkSync(tree[key], path.join(curpath, key.slice(5)));
                } else {
                    fs.writeFileSync(path.join(curpath, key), tree[key], 'utf8');
                }
            } else {
                fs.mkdirSync(path.join(curpath, key));
                createSubTree(tree[key], path.join(curpath, key));
            }
        }
    }

    createSubTree(obj, root);
}

async function databaseSetup() {
    nock.cleanAll();

    await database.initialize();
    await database._clear();
    await settings._setApiServerOrigin(exports.mockApiServerOrigin);
    await settings.setDashboardLocation(exports.dashboardDomain, exports.dashboardFqdn);
    await settings.initCache();
}

async function domainSetup() {
    nock.cleanAll();

    await databaseSetup();
    await settings.setMailLocation(domain.domain, `${constants.DASHBOARD_SUBDOMAIN}.${domain.domain}`); // default mail location. do this before we add the domain for upserting mail DNS
    await domains.add(domain.domain, domain, auditSource);
}

async function setup() {
    await fs.promises.rm(paths.DISK_USAGE_FILE, { force: true });
    await domainSetup();
    const ownerId = await users.createOwner(admin.email, admin.username, admin.password, admin.displayName, auditSource);
    admin.id = ownerId;
    await apps.add(app.id, app.appStoreId, app.manifest, app.subdomain, app.domain, app.portBindings, app);
    await settings._set(settings.APPSTORE_API_TOKEN_KEY, exports.appstoreToken); // appstore token
    const userId = await users.add(user.email, user, auditSource);
    user.id = userId;
    await tasks.stopAllTasks();
}

async function cleanup() {
    nock.cleanAll();
    mailer._mailQueue = [];

    await database._clear();
    await database.uninitialize();
}

function clearMailQueue() {
    mailer._mailQueue = [];
}

async function checkMails(number) {
    await timers.setTimeout(1000);
    expect(mailer._mailQueue.length).to.equal(number);
    const emails = mailer._mailQueue;
    clearMailQueue();

    // return for further investigation
    return emails;
}