'use strict';

var common = require('./common.js'),
    debug = require('debug')('e2e:appstore'),
    request = require('superagent-sync'),
    sleep = require('./shell.js').sleep,
    stripe = require('stripe');

exports = module.exports = AppStore;

function AppStore(origin) {
    this._origin = origin || process.env.APPSTORE_API_ORIGIN;

    // credentials for api calls
    this._credentials = {
        password: null,
        accessToken: null
    };

    this._adminCredentials = {
        password: null,
        accessToken: null
    };
}

AppStore.prototype.getAccessToken = function (user) {
    var res = request.post(this._origin + '/api/v1/login').send({ email: user.email, password: user.password, persistent: true }).end();
    common.verifyResponse2xx(res, 'Could not login as user:' + user.email + ' password:' + user.password);
    return res.body.accessToken;
};

AppStore.prototype.getProfile = function () {
    var res = request.get(this._origin + '/api/v1/profile').query({ accessToken: this._credentials.accessToken }).end();
    return res.body.profile;
};

AppStore.prototype.setCredentials = function (password, accessToken) {
    this._credentials = { password: password, accessToken: accessToken };
};

AppStore.prototype.setAdminCredentials = function (password, accessToken) {
    this._adminCredentials = { password: password, accessToken: accessToken };
};

AppStore.prototype.getCloudrons = function () {
    var res = request.get(this._origin + '/api/v1/cloudrons').query({ accessToken: this._credentials.accessToken, page: 1, per_page: 50 }).end();
    return res.body.boxes;
};

AppStore.prototype.getCloudron = function (boxId) {
    var res = request.get(this._origin + '/api/v1/cloudrons/' + boxId).query({ accessToken: this._credentials.accessToken }).retry(0).end();
    if (res.statusCode === 404) return null;
    common.verifyResponse2xx(res, 'Could not query cloudron status');
    return res.body.box;
};

AppStore.prototype.waitForIP = function (boxId) {
    process.stdout.write('Waiting for cloudron to get an IP.');

    var res;

    for (var i = 0; i < 60; i++) {
        sleep(20);
        process.stdout.write('.');
        res = request.get(this._origin + '/api/v1/cloudrons/' + boxId).query({ accessToken: this._credentials.accessToken }).end();
        common.verifyResponse2xx(res, 'Could not query cloudron status');

        if (res.body.box.ip) {
            debug();
            break;
        }
    }

    if (!res.body || !res.body.box.ip) throw new Error('waitForIP timeout');

    debug('Box IP:%s'.green, res.body.box.ip);

    return res.body.box.ip;
};

AppStore.prototype.waitForCloudron = function (boxId) {
    var creationTime = new Date();
    process.stdout.write('Waiting for cloudron to come up.');

    var boxInfo = null, res;

    for (var i = 0; i < 120; i++) {
        sleep(30);
        process.stdout.write('.');
        res = request.get(this._origin + '/api/v1/cloudrons/' + boxId).query({ accessToken: this._credentials.accessToken }).end();
        common.verifyResponse2xx(res, 'Could not query cloudron status');

        boxInfo = res.body.box;
        if (boxInfo.status === 'ready') {
            debug();
            break;
        }
    }

    if (!boxInfo) throw new Error('waitForCloudron: could not get cloudron information');

    // check for ready state
    if (boxInfo.status !== 'ready') throw new Error('waitForCloudron: could not get cloudron status');

    debug('Box created in %s minutes with IP:%s'.green, (new Date() - creationTime) / 60000, res.body.box.ip);

    // even if the cloudron sent heartbeat to appstore, doesn't mean we can contact the cloudron thanks to DO networking insanity
    process.stdout.write('Waiting for Cloudron to be reachable.');
    for (i = 0; i < 60; i++) {
        sleep(20);
        process.stdout.write('.');
        res = request.get('https://' + boxInfo.ip).end();
        if (!res.error) break;
        debug(res.error);
    }

    if (res.error) throw new Error('waitForCloudron: could not reach cloudron');

    return boxInfo;
};

AppStore.prototype.createCloudron = function (box) {
    var accessToken = this._credentials.accessToken;
    var res = request.post(this._origin + '/api/v1/cloudrons').send(box).query({ accessToken: accessToken }).end();
    common.verifyResponse2xx(res, 'Could not create cloudron %j', box);

    debug('Cloudron %s created'.green, box.domain);
    return res.body.box;
};

// Only allowed by admins
AppStore.prototype.deleteCloudron = function (box) {
    var res = request.post(this._origin + '/api/v1/cloudrons/' + box.id)
        .query({ accessToken: this._adminCredentials.accessToken })
        .set('X-HTTP-Method-Override', 'DELETE')
        .send({ password: this._adminCredentials.password })
        .end();
   common.verifyResponse2xx(res, 'Could not delete cloudron');

    process.stdout.write('Waiting for Cloudron to disappear.');
    for (var i = 0; i < 60; i++)  {
        if (this.getCloudron(box.id) === null) return;

        sleep(20);

        process.stdout.write('.');
    }

    throw new Error('deleteCloudron: timedout waiting for cloudron to disappear');
};

AppStore.prototype.getManifest = function (appId, version) {
    var res = request.get(this._origin + '/api/v1/apps/' + appId + '/versions/' + version).end();
    common.verifyResponse2xx(res, 'Could not get get app manifest');
    return res.body.manifest;
};

AppStore.prototype.restore = function (boxId, backupId) {
    var res = request.post(this._origin + '/api/v1/cloudrons/' + boxId + '/restore/' + encodeURIComponent(backupId)).query({ accessToken: this._credentials.accessToken }).end();
    common.verifyResponse2xx(res, 'Could not restore cloudron');
};

AppStore.prototype.setupBilling = function (user, callback) {
    var stripeApi = stripe(common.stripeSecret());

    var that = this;

    stripeApi.tokens.create({
        card: {
            number: '4242424242424242',
            exp_month: 12,
            exp_year: 2020,
            cvc: '123'
        }
    }, function (error, token) {
        if (error) return callback(error);

        debug('Got stripe token', token.id);

        var data = {
            firstName: 'Max',
            lastName: 'Mustermann',
            company: 'Muster Inc',
            street: '200 Muster Blvd.',
            city: 'Muenster',
            zip: '12312',
            state: 'Munster',
            country: 'DE',
            billingToken: token.id
        };

        var res = request.put(that._origin + '/api/v1/users/' + user.id).send(data).query({ accessToken: that._credentials.accessToken }).end();
        common.verifyResponse2xx(res, 'Could not setup billing');

        callback(null);
    });
};