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#!/usr/bin/env node
/* eslint no-console: 0 */
const { parse, roll, pool } = require('../index.js')
const parseArgs = () => {
const args = process.argv.slice(2)
const parsedArgs = {
roller: roll,
expression: null
}
while (args.length > 0) {
const arg = args.shift()
if (arg === '-p') {
parsedArgs.roller = pool
} else {
parsedArgs.expression = arg
}
}
return parsedArgs
}
const rollDie = (string, roller) => {
try {
const die = parse(string.trim())
console.log(roller(die))
} catch (error) {
console.log(error.message)
}
}
const runIoLoop = (roller) => {
process.stdin.setEncoding('utf8')
process.stdin.on('data', (string) => {
rollDie(string, roller)
})
}
const parsedArgs = parseArgs()
if (parsedArgs.expression) {
rollDie(parsedArgs.expression, parsedArgs.roller)
} else {
runIoLoop(parsedArgs.roller)
}
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