'use strict';

var debug = require('debug')('e2e:appstore'),
    fs = require('fs'),
    path = require('path'),
    request = require('superagent-sync'),
    sleep = require('sleep').sleep,
    stripe = require('stripe');

exports = module.exports = AppStore;

function AppStore(origin) {
    this._origin = origin;

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

    if (fs.existsSync(path.join(__dirname, '../ecosystem.json'))) {
        this._ecosystem = require(path.join(__dirname, '../ecosystem.json')); // staging appstore
    } else {
        this._ecosystem = require(path.join(__dirname, '../keys/appstore/ecosystem-staging.json'));
    }
}

function verifyResponse(res, errorMessage) {
    if (res.statusCode < 200 || res.statusCode > 299) {
        debug('Response error statusCode:%s error:%s body:%j', res.statusCode, res.error, res.body);
        debug(errorMessage.red);
        throw new Error(errorMessage);
    }
}

AppStore.prototype.getAccessToken = function (user) {
    var res = request.get(this._origin + '/api/v1/login').auth(user.email, user.password).end();
    verifyResponse(res, 'Could not login as user:' + user.email + ' password:' + user.password);
    return res.body.accessToken;
};

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

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

    var res;
    while (true) {
        sleep(10);
        process.stdout.write('.');
        res = request.get(this._origin + '/api/v1/cloudrons/' + boxId).query({ accessToken: this._credentials.accessToken }).end();
        verifyResponse(res, 'Could not query cloudron status');

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

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

    return res.body.box;
};

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();
    verifyResponse(res, 'Could not create cloudron');

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

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

AppStore.prototype.getManifest = function (appId, version) {
    var res = request.get(this._origin + '/api/v1/apps/' + appId + '/versions/' + version).end();
    verifyResponse(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/' + backupId).query({ accessToken: this._credentials.accessToken }).end();
    verifyResponse(res, 'Could not restore cloudron');
};

AppStore.prototype.setupBilling = function (callback) {
    var stripeApi = stripe(this._ecosystem.env['STRIPE_SECRET']);

    var that = this;

    stripeApi.tokens.create({
        card: {
            number: '4242424242424242',
            exp_month: 12,
            exp_year: 2016,
            cvc: '123'
        }
    }, function (error, token) {
        if (error) return callback(error);

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

        var data = {
            password: that._credentials.password,
            billingToken: token.id
        };

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

        callback(null);
    });
};