// MOBILE MENU
const rMenu=()=>{
  if (document.getElementById('rMenu') && window.addEventListener) {    // check for top menu & browser support
    const menuFly=document.querySelectorAll('.rMenu>UL>LI');
      const closeFly=()=>menuFly.forEach(fly=>fly.classList.remove('keyed'));
    const menuTogs=document.querySelectorAll('LI.hasFly>A');
      const closeMenuTogs=()=>menuTogs.forEach(tog=>tog.parentElement.classList.remove('open'));
    const closeAll=(event)=>{
        document.documentElement.classList.remove('menuOn');
        closeFly();
        closeMenuTogs();
    }    
    // close menu if click or focus away from menu
    document.addEventListener('click', function(event) {
        if (!event.target.closest('#rMenu') && !event.target.closest('#rMenuBtn')) { closeAll(event) }
    }, true);
    document.addEventListener('focus', function(event) {
        if (!event.target.closest('#rMenu')) { closeAll(event) }
    }, true);
    // menu toggle
    if (document.getElementById('rMenuBtn')) {
        document.getElementById('rMenuBtn').addEventListener('click', function(event) {
            event.preventDefault();
            if (document.querySelector('.menuOn')) { closeAll(event); 
            } else { document.documentElement.classList.add('menuOn') }
        }, false);
    }
    // loop through flyouts for keyboard access
   menuFly.forEach(fly=>{
      if (fly.classList.contains('hasFly')) {
        fly.tabIndex=0;
        fly.addEventListener('focus', function(event) {
            event.preventDefault();
            closeFly();
            this.firstElementChild.setAttribute('aria-expanded', 'true');
            this.classList.add('keyed');
        }, false);
      } else {
        fly.firstChild.addEventListener('focus', function(event) {
          event.preventDefault();
          closeFly();
        }, false);
      }
    });
    // loop through toggle links
    menuTogs.forEach(tog=>{
        tog.tabIndex=-1;
        tog.addEventListener('click', function(event) {
            event.preventDefault();
            if (this.parentElement.classList.contains('open')) {
                closeMenuTogs();
                this.setAttribute('aria-expanded', 'false');
            } else {
                closeMenuTogs();
                this.setAttribute('aria-expanded', 'true');
                this.parentElement.classList.add('open');
            }
        }, false);
    });
  }
}

// SERIES SIDEBARS
const sbTime=Math.floor($.now()/18e5); // half hour turnovers
const sbPub=window.location.pathname.split('/')[3]=='ssb'?'ssb':window.location.pathname.split('/')[4];
let sbEdition=window.location.pathname.replace('.html','').split('/')[5];
const iuSidebars=()=>{
  $.getJSON('/policy/json/research.json?v'+sbTime, function(data) {
    data=data.filter(a=>a.Type=='International Update');
    let countries=[...new Set(data.filter(a=>a.Countries!=null).map(pub=>pub.Countries).flat())];
      countries=countries.filter(a=>!a.match('European Commission|OECD|World Bank'));
      countries.sort((a, b)=>a<b?-1:1);
    data.sort((a,b)=>a.Url>b.Url?-1:1);
    if (sbEdition=='index') { sbEdition=data[0].Url.substr(26,7) }
    const date=new Date(data[0].Released);
    date.setMonth(date.getMonth()+1);
    $('#js-exp').html(date.toLocaleString('en-US', {month:'long',year:'numeric'}));
    let issues=[], issueDate='';
    data.forEach(a=>{
      if (a.Url.substr(26,7)!=sbEdition) { 
        issueDate=a.Title.replace('International Update, ','');
        issues.push(`<option value="${a.Url.substr(26,7)}">${issueDate.substring(issueDate.length-4)} ${issueDate.substring(0,issueDate.length-5)}</option>`);
      }
    });
    let countryList=[];
      countries.forEach(c=>{ countryList.push(`<option value="/policy/research.html?type=International%20Update&keyword=${c}">${c}</option>`)});
    $('#js-ed').html(`<form class="other" name="jump"><label for="archive">Other Issues</label><select id="archive" name="menu"><option selected="selected" value="index.html">Choose date</option>${issues.join('')}</select>&nbsp;<input type="button" onClick="location='/policy/docs/progdesc/intl_update/' + document.jump.menu.value + '/index.html';" value="GO" /></form><form class="other" name="countries"><label for="countrySelector">Find Issues for:</label> <select id="countrySelector" name="menu"><option selected="selected">Country or region</option>${countryList.join('')}</select>&nbsp;<input type="button" onclick="location=document.countries.menu.value;" value="GO"></form><p><i>See also the <a href="/policy/country-index.html">Country Index</a> for all Research and Analysis.</i></p>`);
  });
}
const ssbSidebars=()=>{
  const months=['','January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']
  $.getJSON('/policy/json/research.json?v'+sbTime, function(data) {    
    data=[... new Set(data.filter(a=>a.Type.match('Social Security Bulletin')).map(a=>a.Released+a.Issue))];
    data.sort((a,b)=>a>b?-1:1);
    data=data.map(a=>{ return {'Released':a.substring(0,10),'Issue':a.substring(10)} });
    const date=new Date(data[0].Released);
    date.setMonth(date.getMonth()+3);
    $('#js-exp').html(date.toLocaleString('en-US', {month:'long',year:'numeric'}));
    let issues=[], dates=[];
    data.forEach(a=>{ 
      issues.push(`<option value="/policy/docs/ssb/${a.Issue.replace('Vol. ','v').replace(', No. ','n')}/index.html">${a.Issue}</option>`);
      const date=a.Released.substring(0,4)+' '+months[Number(a.Released.substring(5,7))];
      dates.push(`<option value="/policy/docs/ssb/${a.Issue.replace('Vol. ','v').replace(', No. ','n')}/index.html">${date}</option>`);
    });
    $('#otherIssues').html(`<form class="other" name="jump"><label for="archive">All Issues</label><select id="archive" name="menu"><option selected="selected">Choose by volume</option>${issues.join('')}</select>&nbsp;<input type="button" onClick="location=document.jump.menu.options[document.jump.menu.selectedIndex].value;" value="GO" /></form>`);
    $('#otherDates').html(`<form class="other" name="jumpByYear"><select id="archiveByYear" name="menuByYear" title="Other Issues by Year"><option selected="selected">Choose by date</option>${dates.join('')}</select>&nbsp;<input type="button" onClick="location=document.jumpByYear.menuByYear.options[document.jumpByYear.menuByYear.selectedIndex].value;" value="GO" /></form>`);
  });
}
const statSidebars=()=>{
  let editions=[], final='';
  $.getJSON('/policy/json/statistics.json?v'+sbTime, function(pub) {
    pub=pub.find(a=>a.Url.split('/')[2]==sbPub);
    if ($('#js-exp')) {$('#js-exp').html(pub.Expected);}
    if (pub.Editions.length>0) {
      if (sbPub=='ssi_monthly'||sbPub=='stat_snapshot') {
        const months=['','January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']
        const seriesURL=sbPub=='ssi_monthly'?'/index':'';
        const seriesChoose=sbPub=='ssi_monthly'?'':'index';
        pub.Editions.forEach(e=>{
          let mm=months.indexOf(e.split(' ')[0]), numEdition='';
          if (mm>0) {  // if e contains a month name, which some SSIM do not
            if (mm<10) { mm='0'+mm }
            numEdition=e.split(' ')[1]+'-'+mm;
          } else {
            numEdition=e; // for annual SSIMs
          }
          if (numEdition!=sbEdition) { editions.push(`<option value="${numEdition}">${e.substring(e.length-4)} ${e.substring(0,e.length-5)}</option>`) }
        });
        if (sbEdition=='index') { editions.shift() }
        final=`<form class="other" name="jump"><label for="archive">Other Editions</label><select id="archive" name="menu"><option selected="selected" value="${seriesChoose}">Choose edition</option>${editions.join('')}</select>&nbsp;<input type="button" onClick="location='/policy/${pub.Url}' + document.jump.menu.value + '${seriesURL}.html';" value="GO" /></form>`;
      } else {
        pub.Editions.forEach(e=>{
          const thisURL=e=='2015 (Expanded Edition)'?'2015ee':e;
          const thisText=e=='2015 (Expanded Edition)'?'2015&nbsp;(Expanded)':e;
          if (thisURL!==sbEdition) {
            editions.push(`<a href="/policy/${pub.Url}${thisURL}/index.html">${thisText}</a>&ensp; `);
          }
        });
        if (sbEdition == 'index') { editions.shift() }
      final=`<h4 class="sidebar-gray">Other Editions</h4><p>${editions.join('')}</p>`;
      }
      $('#js-ed').html(final);
    }
  });
}

$(function () {
	rMenu();
	if (sbPub=='intl_update') { iuSidebars() 
    } else if (sbPub=='ssb') { ssbSidebars() 
    } else if ($('body').hasClass('js-sb')) { statSidebars() }
});