const os = require('os')
const path = require('path')
const mkdirp = require('mkdirp')
const fs = require('fs-extra')

const config = {
  background: '#ffffff',
  margins: 0.005,
  style: 'default',
  nbPicture: 4,
  cropSize: {
    width: 900,
    height: 1200
  },
  pictNames: [],
  layout: [],
  booths: {},
  paths: {
    final: '',
    template: '',
    prebuilt: '',
    original: '',
    toprint: ''
  },
  output: path.resolve('/media/share/'),
  footer: 'm-30ansv2.jpg'
}

config.server = {
  ipAddress: getIpAddress(),
  port: 3111
}

config.killZone = {
  top: 2,
  bottom: 2,
  left: 25,
  right: 25
}

config.output = path.join(config.output, 'bobinoscope')

try {
  fs.ensureDirSync(config.output)
  console.log('[!] Bobinogrammes will be available in: ' + config.output)
} catch (e) {
  console.log('[!] Failed to create folders: ' + config.output)
  try {
    config.output = process.cwd()
    config.output = path.join(config.output, 'bobinoscope')
    console.log('[!] Bobinogrammes will be available in: ' + config.output)
  } catch (e) {
    console.log('[!] Failed to create folders: ' + config.output)
    process.exit(1)
  }
}

// Init PATH
config.paths.template = path.resolve(__dirname, './server/public/rsc/template')
config.footer = path.resolve(__dirname, './server/public/rsc/footer', config.footer)
config.paths.final = path.resolve(config.output, './final')
config.paths.final_ld = path.resolve(config.output, './final_ld')
config.paths.prebuilt = path.resolve(config.output, './cache')
config.paths.original = path.resolve(config.output, './original')
config.paths.toprint = path.resolve(config.output, './toprint')

mkdirp.sync(config.paths.final)
mkdirp.sync(config.paths.final_ld)
mkdirp.sync(config.paths.prebuilt)
mkdirp.sync(config.paths.original)
mkdirp.sync(config.paths.toprint)

// Init pinctures names
for (let index = 0; index < config.nbPicture; index++) {
  config.pictNames.push('pict_' + index + '.jpg')
}

module.exports = config

function getIpAddress () {
  let ipAddress = 'localhost'
  // Get local server ip address
  let ifaces = os.networkInterfaces()
  Object.keys(ifaces).forEach(function (ifname) {
    let alias = 0

    ifaces[ifname].forEach(function (iface) {
      // skip over internal (i.e. 127.0.0.1) and non-ipv4 addresses
      if (iface.family !== 'IPv4' || iface.internal !== false) return
      if (/wlan/i.test(ifname)) ipAddress = iface.address

      if (alias >= 1) {
        // this single interface has multiple ipv4 addresses
        // console.log(`[-] network: ${ifname} : ${alias} - ${iface.address}`)
      } else {
        // this interface has only one ipv4 adress
        // console.log(`[-] network: ${ifname} - ${iface.address}`)
        // console.log(ifname, iface.address)
      }
    })
  })

  return ipAddress
}