import React from "react"

import moment from "moment"

import withSimpleErrorBoundary from "../util/withSimpleErrorBoundary"

const start = moment("01/01/2018", "DD/MM/YYYY")

const summerStart = moment("18/03/2019", "DD/MM/YYYY")

const autumnStart = moment("06/05/2019", "DD/MM/YYYY")

const springLink =

"https://www.avoin.helsinki.fi/palvelut/esittely.aspx?o=127404110"

const summerLink =

"https://www.avoin.helsinki.fi/palvelut/esittely.aspx?o=127404483"

const autumnLink =

"https://www.avoin.helsinki.fi/palvelut/esittely.aspx?o=127404483"

function getLink() {

const currentDate = moment()

if (currentDate.isBetween(start, summerStart)) {

return springLink

}

if (currentDate.isBetween(start, autumnStart)) {

return summerLink

}

return springLink

}

const RegistrationLink = () => {

return <a href={getLink()}>{getLink()}</a>

}

export default withSimpleErrorBoundary(RegistrationLink)