'use strict'
const fs = require('fs')
const JSONStream = require('JSONStream')
const audioUriPrefix = 'data:audio/mp3;base64,'
module.exports = function (data) {
let files = {}
const { stdin, stdout } = require('electron').remote.process
const objects = JSONStream.parse()
stdin.pipe(objects)
objects.on('data', (d) => {
const data = d
Object.keys(data).forEach(command => {
const params = data[command]
if (command === 'open') {
const {id, path} = params
const blob = fs.readFileSync(path)
const base64 = Buffer.from(blob).toString('base64')
const uri = audioUriPrefix + base64
files[id] = new Audio(uri)
} else if (command === 'play' || command === 'stop') {
const {id, commandId} = params
files[id][command]()
stdout.write(JSON.stringify({[command]: {commandId}}))
} else {
const {id, val, commandId} = params
if (typeof val !== 'undefined') files[id][command] = val
const currentVal = files[id][command]
stdout.write(JSON.stringify({[command]: {val: currentVal, commandId}}))
}
})
})
}
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