fs = require 'fs'
crypto = require 'crypto'

md5 = (str) ->
	sum = crypto.createHash 'md5'
	sum.update str
	return sum.digest 'hex'

new_auth_token = (user, pass) -> md5(user + md5(pass))

save_auth = (user, pass, callback) ->
	token = new_auth_token(user, pass)
	text = JSON.stringify user: user, token: new_auth_token(user, pass)
	fs.writeFile "#{process.env.HOME}/.libre.fm-cmus.auth", text, 'utf8', callback
	return token

exports.new_auth_token = new_auth_token
exports.save_auth = save_auth