const { app, shell } = require('electron')
const { formatCurrency } = require('@coingecko/cryptoformat')

const openUrl = url => {
  shell.openExternal(url)
}

const rgbaToHex = color => {
  const r = color.substr(0, 2)
  const g = color.substr(2, 2)
  const b = color.substr(4, 2)
  // const a = color.substr(6, 2)

  return '#' + r + g + b
}

const locale =
  typeof navigator !== 'undefined' ? navigator.language : app.getLocale()

// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/NumberFormat
const numberFormatter = value =>
  new Intl.NumberFormat(locale, {
    minimumFractionDigits: 0,
    maximumFractionDigits: 4
  }).format(value)

const formatOcean = value => {
  const numberformatted = new Intl.NumberFormat(locale, {
    minimumFractionDigits: 0,
    maximumFractionDigits: 4,
    style: 'currency',
    currency: 'EUR' // fake currency symbol to replace later
  }).format(value)

  return numberformatted.replace(/EUR/, 'Ọ').replace(/€/, 'Ọ')
}

const cryptoFormatter = (value, currency) => {
  if (currency === 'ocean') {
    return formatOcean(value)
  } else {
    return formatCurrency(value, currency.toUpperCase(), locale.split('-')[0])
      .replace(/BTC/, 'Ƀ')
      .replace(/ETH/, 'Ξ')
  }
}

module.exports = {
  openUrl,
  rgbaToHex,
  locale,
  numberFormatter,
  cryptoFormatter
}