(function() {
	// Her kan en skrive inn/justere fast tekst for sida - to spraak
	var labels = {
		'SokeFeltanvisning' : ['Søk på heil eller del av emnekode eller -namn','Type the entire or a only a part of a code or title'],
		'FinnLister' : ['Finn lister','Search for lists'],
		'ResultatPresentasjon' : ['Treff på pensumlister for søkestreng','Found reading lists for search term'],
		'StudieAar' : ['Studieår','Year of study'],
		'IngentingFunnet' : ['Ingenting blei funne på','Nothing was found for'],
	}
	// Eksempel: labels['FinnLister'][lang]
	var lang = 0; // Norsk
	if (document.documentElement.lang == 'en'){
		lang = 1; // Engelsk
	}
	try{
		var targ = document.getElementById('bergenarkiv'); //document.getElementsByClassName('l-2-col__main-content')[0];
		// finn-form
		var scheme = document.createElement('div');
		scheme.id = 'searchemne';
		scheme.style.margin = '2rem 0';
		targ.insertBefore(scheme,targ.childNodes[0]);
	
		var url = window.location.href;
		var reqUri = window.location.href.split(/(\?|\&|\=)/);
		var createSearch = function(){
			document.getElementById('searchemne').innerHTML = '<form name="searcpensum" method="get" style="display: flex;align-items: stretch;padding: 1rem 1rem 0.2rem 1rem;background: #eaeff1;border-radius: 0.2rem;"><p style="font-family: Arial;font-size: small;">' + labels['SokeFeltanvisning'][lang] + ': <input type="text" name="q" class="filter-search__query" autocomplete="off" style="max-width: 12rem;margin-right: 0.4rem;height: 2.9rem;"></p><input type="submit" name="findsyllabus" value="' + labels['FinnLister'][lang] + '" style="height: 2.9rem;cursor: pointer;"></form>';

			if(typeof(window.fetch) == 'function'){
				try{
					document.querySelector('.MSIEnotSupportedMessage').innerHTML = '';
				}catch(e){
					console.log('No MSIEnotSupportedMessage field found for emptyfying');
				}
			}else{
				console.log('Function fetch is not supported');
			}
		};
		var createMsg = function(msg){
			return '<div style="padding: 1rem;background: #fdf2b8;border-radius: 0.2rem;font-family: Arial,sans-serif;margin: 2rem 0;"><p style="margin: 0;">' + msg + '</p></div>';
		};
		this.outpHTML = function(d){
			if (typeof d != 'undefined'){
				var outElm = document.createElement('section');
				outElm.innerHTML = d;
				try{
					targ.insertBefore(outElm,targ.childNodes[1]);
				}catch(e){
					alert('Feil: Finner ikke leveringsstedet "' + targ.classList + '".');
				}
			}
		};
		outpHTML(createSearch());
		if (reqUri.length > 0){
			for (var i = 0; i < reqUri.length; i++){
				if (reqUri[i] == 'q'){
					if ((typeof reqUri[i + 2] != 'undefined') && (reqUri[i + 2].length > 0)){
						var emnekode = reqUri[i + 2];
						try{
							let getParmVal = decodeURIComponent(reqUri[i + 2]);
							let fetchUri = 'https://hvalross.hvl.no/webmaster/emnekatalog/pensum_som_json.php?emnekode=' + getParmVal;
							console.info(fetchUri);
							fetch(fetchUri)
								.then(response => {
								  return response.json();
								})
								.then(data => {
									var html = [];
									//html.push(createSearch());
									if (data.length > 0){
										html.push('<h3>' + labels['ResultatPresentasjon'][lang] + ' <em>' + decodeURIComponent(emnekode) + '</em>:</h3>');
									
										html.push('<ol>');
										for (var j = 0; j < reqUri.length; j++){
											if (typeof data[j] == 'object'){
												html.push('<li class="tilUtskrift" style="background: #f0f9fa;padding: 1rem;border-radius: 0.2rem;margin-bottom: 1.2rem;" data-utskrift="Skriv ut lista">');
												var out = {}; // trengs for riktig rekkefoelge
												for (var prop in data[j]) {
											
													if (prop == 'infotermin'){
														out[prop] = labels['StudieAar'][lang] + ': ' + data[j][prop] + '/' + (parseInt(data[j][prop]) + 1);
													}
													if (prop == 'emnekode'){
														out[prop] = data[j][prop];
													}
													if (prop == 'emnenavn'){
														out[prop] = data[j][prop];
													}
													if (prop == 'litteratur'){
														out[prop] = data[j][prop];
													}
												}
												html.push('<h3>' + out['emnenavn'] + ' (' + out['emnekode'] + ') ' + out['infotermin'] + '</h3><blockquote>' + out['litteratur'] + '</blockquote>');
												html.push('</li>');
											}
										}
										html.push('</ol>');
									}else{
										html.push(createMsg(labels['IngentingFunnet'][lang] + ' &laquo;' + decodeURIComponent(emnekode) + '&raquo;.'));
										
									}
									outpHTML(html.join('\n'));
									i = reqUri.length;
								})
								.catch(err => {
									outpHTML('<p><em>Fekk ikkje noko resultat for emnekode «' + emnekode + '»</em></p>');
								});
							
							
						}catch(e){
							outpHTML(createMsg('<strong>Ein feil oppstod:</strong> Nettlesaren er ikkje ES6-kompatibel. [-1]'));
						}
					}
				}else{
					outpHTML(createSearch());
				};
			}
		}else{
			outpHTML('');
		};
	}catch(e){
		console.log('Kunne ikkje teikna ut: ' + e);
	}
	
})()

/*** Logging av scriptbruk ****/
function rwSendToLog(url) {
	req = new XMLHttpRequest();
	if (!req) {
	  alert('Gir opp :( XMLHTTP instance not created -1');
	  return false;
	}
	req.onreadystatechange = function(){
		try {
			if (req.readyState === XMLHttpRequest.DONE) {
			  if (req.status !== 200) {
				try {
					console.log('En feil oppstod: ' + AJAXerrors[req.status] + ' (' + req.status + ')');
				}catch (e){
					console.log('Det var et problem med å hente data. Feilkode: ' + req.status);
				}
			  }
			}
		}catch( e ) {
			console.log('Opplevde et unntak: ' + e.description);
		}
	};
	req.open('GET', url);
	req.send();
}
try{
	var rwLogged = rwSendToLog("https://v.hvl.no/verktyg/visittlogg/scriptbruk.php?url=" + escape(document.location));
	console.log("Logget scriptbruk: " + document.location);
}catch(e){
	console.log("Kunne ikke logge scriptbruk: " + e);
}