"use_strict";
ss_jQuery(function($){
	let s_country=['US','CA']/* If state list in old format */,
	f=document.billing,checkState=function(e){
		let ship=(this.name != 'Country'),
		state=  ((ship&&f.ShipState) || f.State),
		country=((ship&&f.ShipCountry) || f.Country),
		hstate= ((ship&&f.hiddenShipState) || f.hiddenState),
		state_name=state.value,
		country_name=$(':selected',country).data('cc'),
		cc=country.querySelector('option:checked').dataset.cc,
		opt,hname,name,og;
		if(typeof state != 'undefined' && state.type == 'select-one'){
			opt = $('optgroup[data-country="'+country_name+'"]', state);
			if((og=$('optgroup option:checked',state)).length==1){og.parent().data('selected',og.val());}
			if(opt.length != 1 && !s_country.includes(cc)){
				hname=hstate.name,name=state.name;
				$(hstate).attr('name',name).show();
				$(state).attr('name',hname).hide();
			} else {
				$('optgroup',state).hide();
				opt.show();
				if(og=opt.data('selected')){state.value=og}
				else if((og=$('option[value="n"]',opt)).length>0){og.prop('selected',true)}
				else if(opt.length>0){state.value='n'}
			}
		} else {
			opt = $('optgroup[data-country="'+country_name+'"]', hstate);
			if(opt.length == 1 || s_country.includes(cc)){
				hname=hstate.name,name=state.name;
				$(hstate).attr('name',name).show();
				$(state).attr('name',hname).hide();
				if(opt.length == 1){
					$('optgroup',hstate).hide();
					opt.show();
					if(og=opt.data('selected')){hstate.value=og}
					else if((og=$('option[value="n"]',opt)).length>0){og.prop('selected',true)}
				}
			}
		}
	};
	if(f.State && f.State.type == 'select-one'){
		$('<input class="addr" type="text" aria-labelledby="ss-address-required E_State" name="hiddenState" value="" size="28" maxlength="30">').hide().insertAfter(f.State);
		$(f.Country).change(checkState).change()
	}
	if(f.ShipState && f.ShipState.type == 'select-one'){
		$('<input class="addr" type="text" aria-labelledby="ss-address-required E_ShipState" name="hiddenShipState" value="" size="28" maxlength="30">').hide().insertAfter(f.ShipState);
		$(f.ShipCountry).change(checkState).change();
	}
});