var base = 0;
var target = 0;
var result = 0;
var time = '';
var typ = 'CUR';
var timeout_ID_convertCurrency;

function hideOrShow(id) {
	var object = $('#' + id);
	if (object) {
		if (object.hasClass('hide')) {
			$('.hideable').addClass('hide');
			object.toggleClass('hide');
			object[0].getElementsByTagName('input')[0].focus();
		} else {
			$('.hideable').addClass('hide');
		}
	}
}

function clearInput(id, head_id){
	var searchbox = document.getElementById(id);
	searchbox.value = '';
	filter(searchbox, head_id);
}

function convertCurrency(){
	clearTimeout(timeout_ID_convertCurrency);
	timeout_ID_convertCurrency = setTimeout(convertCurrencyAsync, 200);
}

function convertCurrencyAsync(){
	var quantity = document.getElementById('quantity_short').value;
	quantity = parseFloat(quantity.replace(',', '.'));

	if (base && target && quantity) {
		var	base_value = getLast(base);
		var	target_value = getLast(target);
		result = base_value / target_value;
		var result_round = result;

		if (quantity * result_round >= 1000) {
			result_round = Math.round(quantity * result_round);
		} else {
			result_round = parseFloat(quantity * result_round).toPrecision(3)
		}

		document.getElementById('ergebnis_short').value = String(result_round).replace('.', ',');
		document.getElementById('ergebnis_long').innerHTML = quantity * result;
		document.getElementById('quantity_long').innerHTML = quantity;
	}
}

function changeResult(){
	var ergebnis_long = document.getElementById('ergebnis_long');
	var quantity_long = document.getElementById('quantity_long');

	var ergebnis_short = parseFloat(document.getElementById('ergebnis_short').value.replace(',','.').replace(' ',''));
	var quantity_short = parseFloat(document.getElementById('quantity_short').value.replace(',','.').replace(' ',''));

	quantity_long.innerHTML = ergebnis_short / ergebnis_long.innerHTML * quantity_long.innerHTML;
	if (quantity_long.innerHTML >= 1000) {
		quantity_short = Math.round(quantity_long.innerHTML).toPrecision(0);
	} else {
		quantity_short = parseFloat(quantity_long.innerHTML).toPrecision(3);
	}
	ergebnis_long.innerHTML = ergebnis_short;
	document.getElementById('quantity_short').value = quantity_short.replace('.',',');
}

function filter(searchbox, head_id) {
	var head =  document.getElementById(head_id);
	var value = searchbox.value.toLowerCase();

	for (var i = head.children.length - 1; i >= 0; i--) {
		var child = head.children[i];

		if (child != searchbox.parentNode) {
			if (child.innerHTML.toLowerCase().indexOf(value) > -1) {
				child.style.display = "";
			} else {
				child.style.display = "none";
			}
		}
	}
}

function filterByDataset(data, value, hide){
	if (hide) {
		$( "a[data-" + data + "=" + value + "]" ).addClass('hide');
	} else {
		$( "a[data-" + data + "=" + value + "]" ).removeClass('hide');
	}
}

function filterTyp(typ){
	this.typ = typ;
	var callConvertCurrency = false;
	if (typ == 'CUR') {			//Währung
		filterByDataset('sort', 'hideAll');
		filterByDataset('typ', 'CUR');
		filterByDataset('typ', 'CCR', true);

	} else if (typ == 'CCR') {	//Krypto
		filterByDataset('sort', 'hideAll');
		filterByDataset('typ', 'CUR', true);
		filterByDataset('typ', 'CCR');

	} else {					//Alle
		filterByDataset('typ', 'CUR');
		filterByDataset('typ', 'CCR');
		filterByDataset('sort', 'hideAll', true);
		typ = 'ALL';
	}

	if (callConvertCurrency) {
		convertCurrency();
		$('#bottommenu').find('.active').children().click();
		var base_name = document.getElementById('base_dropdown_Head').querySelector('.display-inline').innerHTML;
	$('#waehrungsrechner_kurstabelle').load('/devisen/waehrungsrechner/_kurstabelle', {'typ': typ, 'base': base, 'base_name': base_name});
	}
}

window.onclick = function(event) {
	if (!($(event.target).hasClass('hideable')) && !($(event.target).hasClass('noHide'))) {
		$('.hideable').addClass('hide');
	}
}

function getLast(ag){
	var last = '-';
	if (ag <= 0) {
		return 1; //Spezieller Euro fall
	};
	$.ajaxSetup({async: false});
	$.getJSON('/api/portal_schnittstelle.m', {
		'aic': ag,
		'date': time,
		'operation': 'get_last'
		})
	.done(function(json) {
		if (json.is_error == 0) {
			var length = json.quotes.length;
			for (var i = 0; i < length; i++) {
				if (json.quotes[i].last != '-') {
					last = Number(json.quotes[i].last);
					break;
				}
			}
		}
	});
	return last;
}

function setBase(base, noUpdate){
	this.base = base;
	if (noUpdate) {
		return;
	}
	convertCurrency();
	$('#bottommenu').find('.active').children().click();
	var base_name = document.getElementById('base_dropdown_Head').querySelector('.display-inline').innerHTML;
	$('#waehrungsrechner_kurstabelle').load('/devisen/waehrungsrechner/_kurstabelle', {'typ': typ, 'base': base, 'base_name': base_name});
}

function setTarget(target, noUpdate){
	this.target = target;
	if (noUpdate) {
		return;
	}
	convertCurrency();
	$('#bottommenu').find('.active').children().click();
	var base_name = document.getElementById('base_dropdown_Head').querySelector('.display-inline').innerHTML;
	$('#waehrungsrechner_kurstabelle').load('/devisen/waehrungsrechner/_kurstabelle', {'typ': typ, 'base': base, 'base_name': base_name});
}

function setTime(time, noUpdate){
	if (typeof time == 'string') {
		var pieces = time.split('.');
		time = new Date(pieces[2] + '-' + pieces[1] + '-' + pieces[0]);
		this.time = time;
	}
	if (time > new Date()) {
		time = new Date();
	}

	this.time = ('0' + time.getDate()).slice(-2) + '.' + ('0' + (time.getMonth()+1)).slice(-2) + '.' + time.getFullYear();
	document.getElementById('start').value = this.time;

	if (noUpdate) {
		return;
	}
	convertCurrency();
}

function setForm(url, typ){
	event.preventDefault();
	var form = document.getElementById('waehrungsrechner_form');
	form.action = url;
	document.getElementById('waehrungsrechner_typ').value = typ;
	form.submit();
}

$(document).ready(function() {
	setBase(document.getElementById('base_dropdown_Head').dataset.ag, true);
	setTarget(document.getElementById('target_dropdown_Head').dataset.ag, true);
	var typ = document.getElementById('waehrungsrechner_typ').value;
	filterTyp(typ);
	setTime(new Date());
});

//Wird nicht genutzt
function setTimeFree(){}