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const Component = require('react').Component
const connect = require('react-redux').connect
const h = require('react-hyperscript')
const inherits = require('util').inherits
const TokenBalance = require('./token-balance')
const Identicon = require('./identicon')
import CurrencyDisplay from './currency-display'
const { getAssetImages, conversionRateSelector, getCurrentCurrency} = require('../selectors')
const { formatBalance, generateBalanceObject } = require('../util')
module.exports = connect(mapStateToProps)(BalanceComponent)
function mapStateToProps (state) {
const accounts = state.metamask.accounts
const network = state.metamask.network
const selectedAddress = state.metamask.selectedAddress || Object.keys(accounts)[0]
const account = accounts[selectedAddress]
return {
account,
network,
conversionRate: conversionRateSelector(state),
currentCurrency: getCurrentCurrency(state),
assetImages: getAssetImages(state),
}
}
inherits(BalanceComponent, Component)
function BalanceComponent () {
Component.call(this)
}
BalanceComponent.prototype.render = function () {
const props = this.props
const { token, network, assetImages } = props
const address = token && token.address
const image = assetImages && address ? assetImages[token.address] : undefined
return h('div.balance-container', {}, [
// TODO: balance icon needs to be passed in
// h('img.balance-icon', {
// src: '../images/eth_logo.svg',
// style: {},
// }),
h(Identicon, {
diameter: 50,
address,
network,
image,
}),
token ? this.renderTokenBalance() : this.renderBalance(),
])
}
BalanceComponent.prototype.renderTokenBalance = function () {
const { token } = this.props
return h('div.flex-column.balance-display', [
h('div.token-amount', [ h(TokenBalance, { token }) ]),
])
}
BalanceComponent.prototype.renderBalance = function () {
const props = this.props
const { shorten, account } = props
const balanceValue = account && account.balance
const needsParse = 'needsParse' in props ? props.needsParse : true
const formattedBalance = balanceValue ? formatBalance(balanceValue, 6, needsParse) : '...'
const showFiat = 'showFiat' in props ? props.showFiat : true
if (formattedBalance === 'None' || formattedBalance === '...') {
return h('div.flex-column.balance-display', {}, [
h('div.token-amount', {
style: {},
}, formattedBalance),
])
}
return h('div.flex-column.balance-display', {}, [
h('div.token-amount', {
style: {},
}, this.getTokenBalance(formattedBalance, shorten)),
showFiat && h(CurrencyDisplay, {
value: balanceValue,
}),
])
}
BalanceComponent.prototype.getTokenBalance = function (formattedBalance, shorten) {
const balanceObj = generateBalanceObject(formattedBalance, shorten ? 1 : 3)
const balanceValue = shorten ? balanceObj.shortBalance : balanceObj.balance
const label = balanceObj.label
return `${balanceValue} ${label}`
}
BalanceComponent.prototype.getFiatDisplayNumber = function (formattedBalance, conversionRate) {
if (formattedBalance === 'None') return formattedBalance
if (conversionRate === 0) return 'N/A'
const splitBalance = formattedBalance.split(' ')
const convertedNumber = (Number(splitBalance[0]) * conversionRate)
const wholePart = Math.floor(convertedNumber)
const decimalPart = convertedNumber - wholePart
return wholePart + Number(decimalPart.toPrecision(2))
}
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