/* Validate Form */
  var geocoder;
  var map;
  var selpoint;
  var foundEndCoords = false;
  var foundStartCoords = false;
  var startGoogleAddress;
  var endGoogleAddress;
 
 Array.prototype.findIndex = function(value){
 	var ctr = "";
 	for (var i=0; i < this.length; i++) {
	 	if (this[i] == value) return i;
 	}
 	return ctr;
 };

  function initialize() {
      if (GBrowserIsCompatible()) {
        geocoder = new GClientGeocoder();
        selpoint = new GLatLng(37.4419, -122.1419); //init to some dummy point
	}
	
	$('input[name=mode]')[3].checked = true;
	$('input[name=time]')[0].checked = true;
	$('input#Atr').attr('checked', false);
	
	$('.datepicker').dpSetSelected(''); //wipe out
	$('.datepicker').dpSetSelected(new Date().asString()); //select current date
  }
    
  function reCheckCoords(){
 	if(!foundStartCoords || !foundEndCoords){
  		setTimeout("submitForm()",500);
  	} else {
  		submitForm();
  	}
  }
  
  function submitForm(){
   	$("#frm_trip_planner").submit();
  }
  
  /* Check if coordinates already exist for starting address otherwise use google geocoder to find it */ 
  function checkStartCoords(){
     //Don't do the geocoding if the user selects from autocomplete.
     var travelFrom = $("input#starting_street_address").val();
  	 var travelFromIndex = stationNamesList.findIndex(travelFrom);
     var travelFromLatLong = stationCoordinatesList[travelFromIndex];
     if(!travelFromLatLong && !isUsingAutoSuggest && !$('.ac_even').length){
     	setStartCoordinates(travelFrom);
      } else {
    	$("input#TravelFromLatLong").val(travelFromLatLong);
    	foundStartCoords = true;
    	isUsingAutoSuggest = false;
      }
     return true;
  }
  
   
  function setStartCoordinates(address) {
	  var startState,startAddr;
 	  if (geocoder) {
         geocoder.getLocations(
          address,
          function(response) {
            if (!response || response.Status.code != 200) {
              //alert("\"" + address + "\" not found");
            } else {
              if(response.Placemark.length > 0 ){
              	for(i=0;i<response.Placemark.length;i++){
              			if(response.Placemark[i].AddressDetails.Country.AdministrativeArea){
              				startState = response.Placemark[i].AddressDetails.Country.AdministrativeArea.AdministrativeAreaName;
              			}
              			//Get first google address in any of valid US States (PA,NJ,DE,NY)
              			if(isValidIPState(startState)){
              				startAddr = response.Placemark[i].address;	
              				selpoint = response.Placemark[i].Point;	
              				foundStartCoords = true;
              				break;	
              			}
               	 }
              }
              if(foundStartCoords){
  	             startGoogleAddress = startAddr;
 	             $("input#TravelFromLatLong").val(selpoint.coordinates[1]+","+selpoint.coordinates[0]);
 	             startGoogleAddress = startGoogleAddress.replace(", USA", "");
	             $("input#starting_street_address").val(startGoogleAddress);
              }
           }
          }
        );
      }
  }
  
  /* Check if coordinates already exist for ending address otherwise use google geocoder to find it */ 
   function checkEndCoords(){
     //Don't do the geocoding if the user selects from autocomplete.
     var travelTo = $("input#dest_street_address").val();
   	 var travelToIndex = stationNamesList.findIndex(travelTo);
   	 var travelToLatLong = stationCoordinatesList[travelToIndex];
     if(!travelToLatLong && !isUsingAutoSuggest && !$('.ac_even').length){
     	setEndCoordinates(travelTo);
     } else {
    	 $("input#TravelToLatLong").val(travelToLatLong);
    	 foundEndCoords = true;
    	 isUsingAutoSuggest = false;
      }
  }
  
  
  function setEndCoordinates(address) {
 	  var endState,endAddr;
 	  if (geocoder) {
         geocoder.getLocations(
          address,
          function(response) {
            if (!response || response.Status.code != 200) {
              //alert("\"" + address + "\" not found");
            } else {
              if(response.Placemark.length > 0 ){
              	for(i=0;i<response.Placemark.length;i++){
         			  if(response.Placemark[i].AddressDetails.Country.AdministrativeArea){
         				 endState = response.Placemark[i].AddressDetails.Country.AdministrativeArea.AdministrativeAreaName;
          			   }
               			//Get first google address in any of valid US States (PA,NJ,DE,NY)
              			if(isValidIPState(endState)){
              				endAddr  = 	response.Placemark[i].address;	
              				selpoint = response.Placemark[i].Point;	
              				foundEndCoords = true;
              				break;	
              			}
               	 }
              }
              if(foundEndCoords){
  	             endGoogleAddress = endAddr;
 	             $("input#TravelToLatLong").val(selpoint.coordinates[1]+","+selpoint.coordinates[0]);
 	             endGoogleAddress = endGoogleAddress.replace(", USA", "");
 	             $("input#dest_street_address").val(endGoogleAddress);
              }
           }
          }
        );
      }
  }
   
  function isValidIPState(state){
    var validIPStates = ['NJ','PA','NY','DE'];
    state = state.toUpperCase();
    if($.inArray(state, validIPStates) == -1) {
    	return false;
    }
    return true;
  }
  
  function isUsingAutoComplete(){
  	var index = getCurrentlySelectedSmartInputItem();
  	if(index >= 0){
  		return true;
  	}
  	return false;
  }
       
  function isValidTime(time) {
	var pattern = new RegExp(/^(0[1-9]|1[012]|[0-9]):([0-5][0-9])$/);
	return pattern.test(time);
  }
	
  var form = $("#frm_trip_planner");
  
  //disable sumbit on enter 
  form.keypress(function (evt) { 
     if (evt.keyCode == 13) {
     	return false;
     } 
  });


  
  $('#starting_street_address').focus(function() {
             if($('.ac_even').length){
                $('.ac_even').remove();
             }
             if($('.ac_odd').length){
                $('.ac_odd').remove();
             }

  });


  $('#dest_street_address').focus(function() {
             if($('.ac_even').length){
                $('.ac_even').remove();
             }
             if($('.ac_odd').length){
                $('.ac_odd').remove();
             }

  });
  
  $("#starting_street_address").keypress(function (evt) { 
	  if (evt.keyCode == 13) {
			if($('.ac_even').length){
				$('.ac_even').remove();
			}
			if($('.ac_odd').length){
				$('.ac_odd').remove();
			}
	  } 
  });
  
  $("#dest_street_address").keypress(function (evt) { 
	  if (evt.keyCode == 13) {
			if($('.ac_even').length){
				$('.ac_even').remove();
			}
			if($('.ac_odd').length){
				$('.ac_odd').remove();
			}
	  } 
  });
  
  //$("#spnr").keypress(function (evt) { 
	//  if (evt.keyCode == 13) {
	//  	redirectStationInfo();
	//  } 
// });

 // $("#dv_station").keypress(function (evt) { 
	//  if (evt.keyCode == 13) {
	//  	launchDepVision();
	//  } 
 // });
  
  function launchDepVision(){
	     var selDvStation = $("input#dv_station").val();
		 var selDvIndex = dvStationNamesList.findIndex(selDvStation);
	     var selDvId = dvIdsList[selDvIndex];
	     if(selDvId == undefined){
			 alert('Please select station name for departure vision.');
			 $("input#dv_station").focus();
			 return false;
		 }
		 var dvUrl = "/rg/rg_servlet.srv?hdnPageAction=PentaDisplayTo&SID="+selDvId+"&KeepThis=true&TB_iframe=true&height=650&width=900";
         tb_show("Departure Vision",dvUrl,"images/loadingAnimation.gif");
  }

  function redirectStationInfo(){
		 var selSprStation = $("input#spnr").val();
		 var selSprIndex = stationInfoNamesList.findIndex(selSprStation);
		 var selAtisId = atisIdsList[selSprIndex];
	     if(selAtisId == undefined){
			 alert('Please select station name for station and parking info.');
			 $("input#spnr").focus();
			 return false;
		 }
		 var spnrUrl = "/rg/rg_servlet.srv?hdnPageAction=TrainStationLookupFrom&selStation="+selAtisId;
		 location.href = spnrUrl; 
		 
	}
	  
  
  $(document).ready(function() {		 
	 initialize();
	 $("input#TravelFromLatLong").val("");
	 $("input#TravelToLatLong").val(""); 
	 var startAddrTitle = $("input#starting_street_address").attr('title');
	 var destAddrTitle = $("input#dest_street_address").attr('title');
	 
	 $("input#starting_street_address").val(startAddrTitle);
 	 $("input#dest_street_address").val(destAddrTitle);
 	 
 	 var dvTitle = $("input#dv_station").attr('title');
 	 $("input#dv_station").val(dvTitle);
 	
 	 var spnrTitle = $("input#spnr").attr('title');
 	 $("input#spnr").val(spnrTitle);
 	 
 	 
	 $("#starting_street_address").autocomplete(stationNamesList,{
			width: 210
	  });
	 $("#dest_street_address").autocomplete(stationNamesList,{
			width: 210
	  });
	 $("#spnr").autocomplete(stationInfoNamesList,{
	      width: 210
	 });
	 
	 $("#dv_station").autocomplete(dvStationNamesList,{
	      width: 210
	 });

   	 //$("input#arrive").attr("checked", false); 
 	 //$("input#depart").attr("checked", false); 
 	 	 
	//Get current time and initialize time 
 	/*
 	var date = new Date();
 	var datetime = date.toLocaleString().substr(date.toLocaleString().length-11);
 	var ampm = datetime.substr(8);
 	var time = trim(datetime.substr(0,5)); 
 	if(time.length == 4){
 		time = "0" + time;
 	}
 	$("input#Time").val(time);
 	$("select#Suffix").val(trim(ampm));
	*/ 
    });    
    
    var count = 0;
 	form.submit(function(e){ 
 		
     if (count > 0)
     	return false;
     else
     	count++;
     
 		//alert("submited form");
		var reqFields = ['#starting_street_address', '#dest_street_address', '#Time'];
		var isValidForm = 1; //default to valid form - true
		var useAtis = 1; //default to Atis
		var useGoogle = 0; //default to false;
 
    /*
	$("input#time")
    .filter(function() {
        alert(this.value);
        var isValidTimeFormat = this.value.match(/^(0[1-9]|1[012]|[0-9]):([0-5][0-9])$/);
        alert(isValidTimeFormat);
        return isValidTimeFormat;
    })
	*/
	 
	 //$("input#starting_street_address").val(startGoogleAddress);
	 //$("input#dest_street_address").val(endGoogleAddress);
	 
 	 $.each(reqFields, function(n, value) {
			var j = $(value).val();
			if (j == "" || j == $(value).attr('title')) {
				var fieldName = $(value).attr('name');
				var alertMsg = "";
				if(fieldName == 'starting_street_address'){
					alertMsg = "Please enter an origin address, it is one of the required fields.";
				}
				if(fieldName == 'dest_street_address'){
					alertMsg = "Please enter an destination address, it is one of the required fields.";
				}
				if(fieldName == 'Time'){
					alertMsg = "Please enter the time of travel, it is one of the required fields.";
				}
				//if(fieldName == 'time'){
				//	alertMsg = "Please select arrival or departure.";
				//}
				alert(alertMsg);
				$(value).focus(); 
				e.preventDefault();
				isValidForm = 0;
	document.getElementById('submit').style.visibility = 'visible'; 
	document.getElementById('wait').style.visibility = 'hidden';
    //$("#submitbtn").attr("src", "<%=strWebsiteUrl%>/images/home_tpsubmit.gif");
    count = 0;
				return false;
			}
 				
	});
	if(isValidForm){		
		var vTravelFromLatLong= $("input#TravelFromLatLong").val();
		var vTravelToLatLong= $("input#TravelToLatLong").val();
		if(vTravelFromLatLong == vTravelToLatLong){
			alert("Origin and destination addresses are the same. Please enter different origin and destination addresses.");
			e.preventDefault();
			isValidForm = 0;
			document.getElementById('submit').style.visibility = 'visible'; 
			document.getElementById('wait').style.visibility = 'hidden';
			count = 0;
			return false;		
		}
		
	}
		
	/* check if arrive at/depart by is checked */ 
	if(isValidForm){
		if (!$(":input[@name='time']:checked").val()){
			alert("Please select arrival or departure.");
			$("input#depart").focus();
			isValidForm = 0;
	document.getElementById('submit').style.visibility = 'visible'; 
	document.getElementById('wait').style.visibility = 'hidden';
    //$("#submitbtn").attr("src", "<%=strWebsiteUrl%>/images/home_tpsubmit.gif");
    count = 0;
			return false;
		}
    }	
    
    /* check for time format HH:MM */
	var enteredTime = $("input#Time").val();
	var selectedSuffix = $("select#Suffix").val();
	if(!isValidTime(enteredTime)){
		alert("Please enter the time of travel in the format of HH:MM");
		$("input#Time").focus();
		e.preventDefault();
		isValidForm = 0;
	document.getElementById('submit').style.visibility = 'visible'; 
	document.getElementById('wait').style.visibility = 'hidden';
    //$("#submitbtn").attr("src", "<%=strWebsiteUrl%>/images/home_tpsubmit.gif");
    count = 0;
		return false;
	} 


	if(!isValidForm){
	document.getElementById('submit').style.visibility = 'visible'; 
	document.getElementById('wait').style.visibility = 'hidden';
	//$("#submitbtn").attr("src", "<%=strWebsiteUrl%>/images/home_tpsubmit.gif");
    count = 0;
		return false;
	}

  
   var timeParts = enteredTime.split(":");
   $("input#Hour").val(timeParts[0]);
   $("input#Minute").val(timeParts[1]);
    
   return true;
 });