function renderTodaysHours(){
	const todaysHours = document.getElementById('todaysHours');
	if(todaysHours){
		var yyyymmdd = new Date().toISOString().split('T')[0].replace(/-/g, '');
		var xhr = new XMLHttpRequest();
		xhr.open('GET', 'https://www.law.berkeley.edu/library/hours/hours.json');
		xhr.responseType = 'json';
		xhr.onload = function() {
			console.log('here');
		  if (this.status === 200) {
		    const data = this.response; // Already an object
		    const filteredWeeks = data.weeks.filter(week => week.thisWeek == true);
		    const thisWeek = filteredWeeks[0];
		    const today = thisWeek[new Date().toLocaleDateString('en-US', { weekday: 'long'}).substring(0,2).toLowerCase()];
		    if(today.hours.mrr && today.hours.sa){
					todaysHours.innerHTML = `<p class='title'>Today's Hours</p><ul><li>Service Desks: ${to12hhmm(today.hours.sa)}</li><li>Main Reading Room (Law Community Only): ${to12hhmm(today.hours.mrr)}</li></ul><p class='fullHours'><a href='/library/hours.php'>Full hours and access</a></p>`;
		    }
		  }
		};
		xhr.send();
	}
}

function fireTopDB(){
	window.open(jQuery("select[name='topDatabase']").val(), '_blank');
	return false;
}

function layCrumbs(pageID, terminalLabel = false){
	var target = jQuery.find("#menu-library-menu .page-item-" + pageID)[0];
	if(target) {
		lis = jQuery(target).parentsUntil("#menu-library-menu").filter("li");
		var crumbs = Array(lis.length);
		for(var i = 0; i < lis.length; i++){
			firstChild = jQuery(lis[i]).children()[0];
			if(firstChild.tagName.match(/^a$/i)) {
				crumbs[i] = firstChild.outerHTML;
			} else if(firstChild.tagName.match(/button/i)){
				crumbs[i] = firstChild.innerText;
			}
		}
		crumbs.reverse();
		if(terminalLabel) crumbs.push(terminalLabel);
		crumbsString = crumbs.join(' <span class="breadcrumbs__separator"><svg class="svg-inline--fa fa-chevron-right fa-w-8" aria-hidden="true" focusable="false" data-prefix="fal" data-icon="chevron-right" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512" data-fa-i2svg=""><path fill="currentColor" d="M17.525 36.465l-7.071 7.07c-4.686 4.686-4.686 12.284 0 16.971L205.947 256 10.454 451.494c-4.686 4.686-4.686 12.284 0 16.971l7.071 7.07c4.686 4.686 12.284 4.686 16.97 0l211.051-211.05c4.686-4.686 4.686-12.284 0-16.971L34.495 36.465c-4.686-4.687-12.284-4.687-16.97 0z"></path></svg></span> ');
		jQuery('.breadcrumbs .row li:last').html(crumbsString);
	} 
}

function toTitleCase(str) {
    return str.replace(/\w\S*/g, function(txt){return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();});
}

function to12hhmm(raw){ // 0730-2330, e.g.
	var fromTo = raw.split('-');
	var from = fromTo[0];
	var to = fromTo[1];

	var hh = from.substring(0,2);
	var mm = from.substring(2,4);
	var prepared = hh > 12 ? hh-12 : hh.replace(/^0/, '');
	prepared += ':' + mm;
	apm = hh > 12 ? 'pm' : 'am';
	prepared += apm + '-';

	var hh = to.substring(0,2);
	var mm = to.substring(2,4);
	prepared += hh > 12 ? hh-12 : hh;
	prepared += ':' + mm;
	apm = hh > 12 ? 'pm' : 'am';
	prepared += apm;
	return prepared;
}

jQuery(document).ready(function(){
	renderTodaysHours();
	jQuery('#menu-footer-menu').append("<li class='menu-item menu-item-type-post_type menu-item-object-page pull-right'><a href='https://wikihub.berkeley.edu/pages/viewpage.action?spaceKey=lawlibrary&title=Law+Library+Staff+Tools'>Staff Tools</a></li>");
});