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/**
* Server setup wizard, quick server setup and all that jazz. . .
*
* Version: v2.0.0
* Developer: Marzavec ( https://github.com/marzavec )
* License: WTFPL ( http://www.wtfpl.net/txt/copying/ )
*
*/
const fse = require('fs-extra');
const prompt = require('prompt');
const path = require('path');
class SetupWizard {
/**
* Create a `SetupWizard` instance for initializing the server's config.json
*
* @param {Object} serverConfig reference to the server config class
*/
constructor (serverConfig) {
this.serverConfig = serverConfig;
}
/**
* Roll a d20 and begin the wizarding process
*
*/
async start () {
// load the current config to use as defaults, if available
let currentConfig = await this.serverConfig.load() || {};
// auto generate the salt if not currrently created
currentConfig.tripSalt = currentConfig.tripSalt ||
[...Array(Math.floor(Math.random()*1024)+1024)].map(i=>(~~(Math.random()*36)).toString(36)).join('');
// load the setup questions & set their defaults
let questions = require('../setupSchema/Questions.js');
questions.properties = this.setQuestionDefaults(questions.properties, currentConfig);
// force password re-entry
questions.properties.adminTrip.default = '';
questions.properties.adminTrip.required = true;
// output the packages setup banner
require('../setupSchema/Banner.js');
// let's start playing 20 questions
prompt.start();
prompt.get(questions, (err, result) => this.finalize(err, result));
}
/**
* Compares the currently loaded config with the stock questions, adds a default
* and required option to the question
*
* @param {Object} questions the set of questions from /setupSchema
* @param {Object} currentConfig the current server options
*/
setQuestionDefaults (questions, currentConfig) {
Object.keys(questions).forEach(qName => {
if (typeof currentConfig[qName] !== 'undefined') {
questions[qName].default = currentConfig[qName];
questions[qName].required = false;
} else {
questions[qName].required = true;
}
});
return questions;
}
/**
* Looks like all the questions have been answered, check for errors or save
* the new config file
*
* @param {Object} err any errors generated by Prompt
* @param {Object} result the answers / new config setup
*/
async finalize (err, result) {
// output errors and die if needed
if (err) {
console.error(err);
process.exit(0);
}
// initialize default mods config
if (typeof result.mods === 'undefined') {
result.mods = [];
}
// finally create the actual JSON file
try {
this.serverConfig.config = result;
await this.serverConfig.save();
} catch (e) {
console.error(`Couldn't write config to ${this.serverConfig.configPath}
${e.stack}`);
}
// output the packages final notice before quitting
require('../setupSchema/Footer.js');
process.exit(0);
}
}
module.exports = SetupWizard;
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