// jshint esversion: 6 
	const blm = {obj: [], dir: []};
	function blmMenu(lattice, facilities, params) {
		params.blm = false;
		if (document.location.search.indexOf('blm')>-1) {params.blm = document.location.search.indexOf('blm')>-1; blmSwitch(blm, params);}
		gui.add(params, 'blm').onChange(function() {blmSwitch(blm, params);});
		blm.map = [];
		// console.log('blmMenu(), src', conf.blmSrcUrl);
		fetch((conf.blmSrcUrl.indexOf('http')==-1? conf.rchan: '')+conf.blmSrcUrl)
		.then((response) => {return response.json();})
		.then((blmData) => {
			// console.log('blmMenu(), blmData', blmData);
			let blmCounter = 0;
			for (let i in blmData) {
				const name = blmData[i].split('/')[2].toUpperCase();
				// console.log('blmMenu(), name', name);
				// if (name.indexOf(blm.skip)>-1) continue; // blm skip feature
				for (let bl in blm.obj) {
					// console.log('bl', bl, blm.obj);
					if (name==blm.obj[bl] || name=='BLM_'+blm.obj[bl]) {blm.map[bl] = blmCounter; blmCounter++;}
				}
			}
		});
	}
	function blmSwitch(blm, params) {
		if (blm.reader !== false) clearInterval(blm.reader);
		blm.reader = false;
		// $('.blm').css('display', 'none');
		if (blm.reader) $('.blm').show(); else $('.blm').hide();
		if (typeof blm[blm.oldIndex] != 'undefined') for (let i=0; i<blm[blm.oldIndex].obj.length; i++) blmUpdate(blm[blm.oldIndex].obj[i], 0);
		if (params.blm=='') {
			$('#application').hide();
			$('#applicationFrame').removeAttr("src");
		} 
		else {
			blm.oldIndex = params.blm;
			blmRead(blm, params);
			blm.reader = setInterval(blmRead, 997, blm, params);
			$('.blm').show(); // $('#application').show();	
			// $('.blm.'+params.blm).css('display', 'block');
			$('#applicationFrame').attr("src", "/spa/index.html?s=blm&src="+params.blm+(document.location.search.indexOf('demo')>-1? '&demo': ''));
			$("#applicationFrame").height(window.innerHeight); 
		}
		
	}
	function blmRender() {
		// console.log('blmRender()', blm);
		const blmMax = Math.max.apply(null, blm.val.map(Math.abs)); // https://stackoverflow.com/questions/29515761/find-absolute-max-value-in-javascript-array
		let blmPeak = (Math.log10(blmMax) + 2) * 5000;
		blmPeak = blmPeak>20000? 20000: (blmPeak<2000? 2000: blmPeak);
		const blmFactor = blmPeak/blmMax;
		// console.log(blm.obj[i], blm.val[blm.map[i]], blm.dir[i], 100, blmFactor);
		for (let i=0; i<blm.obj.length; i++) {
			// console.log(blm.obj[i], blm.val[blm.map[i]], blm.dir[i], 100, blmFactor);
			blmUpdate(blm.obj[i], blm.val[blm.map[i]], blm.dir[i], 100, blmFactor);
		}
		// if (params.blm) {blmLabel(blm, params, camera, THREE);}
	}
	function blmRead(blm, params) {
		fetch((conf.blmUrl.indexOf('http')==-1? conf.rchan: '')+conf.blmUrl)
		.then((response) => {return response.json();})
		.then((eventData) => {
			blm.val = eventData;
			blmRender();
		});
	}
	function blmColor(val) {
		if (document.location.search.indexOf('demo')>-1) {
			if (val < 0) return 'white';
			else if (val < 1) return 'yellow';
			else if (val < 2) return 'orange';
			else if (val < 3) return 'red';
			else return 'violet';
		}
		if (val < 20) return 'white';
		else if (val < 50) return 'yellow';
		else if (val < 100) return 'orange';
		else if (val < 200) return 'red';
		else return 'violet';
	}
	function blmUpdate(c, val, direction, width, blmFactor) {
		// console.log('blmUpdate()', c, val, direction, width, blmFactor);
		if (typeof val !== 'undefined' && typeof blmFactor !== 'undefined') {
			document.getElementById(c).height.baseVal.value = Math.abs(val*blmFactor);
			document.getElementById(c).style.fill = blmColor(val); 
		}
		else {
			document.getElementById(c).height.baseVal.value = Math.abs(40);
			document.getElementById(c).style.fill = 'black'; 
		}
	}