const scriptStartTime = new Date()

// This script tests the level generation algorithm by generating levels with random parameters and saving the results.

// Example usage:

// nodemon scripts/generateLevels.js --dry --debug

require('coffee-script').register()

const _ = require('lodash')

_.string = require('underscore.string')

_.mixin(_.str.exports())

const fs = require('fs')

const path = require('path')

const PWD = __dirname

const program = require('commander')

const moment = require('moment')

const levelGeneration = require('../app/lib/level-generation')

async function main () {

const options = parseOptions()

for (let i = 0; i < 1; ++i) {

const parameters = {}

const level = await levelGeneration.generateLevel({ parameters })

debug(level)

await saveLevel(level, options)

}

}

async function saveLevel (level, options) {

const fileName = `level-${level.parametersKey}.json`

// Make the levels output directory

const levelsDir = path.join(PWD, 'levels')

if (!fs.existsSync(levelsDir)) {

fs.mkdirSync(levelsDir)

}

// Write the level to a file

const levelPath = path.join(levelsDir, fileName)

fs.writeFileSync(levelPath, JSON.stringify(level, null, 2))

console.log(`Wrote level to ${levelPath}`)

if (!options.dry) {

// Write the level to the database

// TODO

}

}

function parseOptions () {

console.log()

program

.description('Creates test levels to exercise the level-generation library')

.option('-d, --debug', 'Debug logging') // TODO: differentiate normal, debug, and verbose logging levels

.option('--dry', 'Dry run--does not write levels')

.parse(process.argv)

const options = program.opts()

if (options.debug) {

debugOutput = true

}

return options

}

let debugOutput = false

function debug (...args) {

if (!debugOutput) return

console.log('\x1b[36m%s\x1b[0m', moment().format('YYYY-MM-DD HH:mm:ss.SSS'), ...args)

}

main().then(() => {

console.log('Finished in', moment.duration(new Date() - scriptStartTime).asSeconds(), 'seconds')

process.exit(0)

}).catch((err) => {

console.error('Error: ', err)

process.exit(1)

})