var arrivalList = new Object();//Mapping of Terminal ID  to LIST of Terminal ID's it can goto.
var terminalMap = new Object();//Mapping of Terminal ID's and details about the terminal.
var regionList = new Array();

var defaultDepartureText="Select Departure Location";
var defaultArrivingLocation="Select Arriving Location";
var departureElementId = 'form1:departureCombo';
var arrivalElementId = 'form1:arrivalCombo';

// deprecated

function addRegions(){
    regionList.push('Mainland-Sunshine Coast');//0
    regionList.push('Vancouver Island');//1
    regionList.push('Gulf Islands');//2
    regionList.push('Mid and North Coast');//3  
}

// deprecated

function addTerminals(){
    terminalMap['ALF']={id: 'ALF', region: 3, name: 'Alliford Bay', location: 'Queen Charlottes'};
    terminalMap['ALR']={id: 'ALR', region: 2, name: '//alert Bay', location: 'Cormorant Island'};
    terminalMap['BEC']={id: 'BEC', region: 3, name: 'Bella Coola', location: 'Bella Coola'};
    terminalMap['BKY']={id: 'BKY', region: 1, name: 'Buckley Bay', location: 'Buckley Bay'};
    terminalMap['BOW']={id: 'BOW', region: 2, name: 'Snug Cove', location: 'Bowen Island'};
    terminalMap['BTW']={id: 'BTW', region: 1, name: 'Brentwood Bay', location: 'Brentwood Bay'};
    terminalMap['CAM']={id: 'CAM', region: 1, name: 'Campbell River', location: 'Campbell River'};
    terminalMap['CFT']={id: 'CFT', region: 1, name: 'Crofton', location: 'Crofton'};
    terminalMap['CHM']={id: 'CHM', region: 1, name: 'Chemainus', location: 'Chemainus'};
    terminalMap['CMX']={id: 'CMX', region: 1, name: 'Little River', location: 'Comox'};
    terminalMap['COR']={id: 'COR', region: 2, name: 'Whaletown', location: 'Cortes Island'};
    terminalMap['DNE']={id: 'DNE', region: 2, name: 'Gravelly Bay', location: 'Denman Is. East'};
    terminalMap['DNM']={id: 'DNM', region: 2, name: 'Denman Is. West', location: 'Denman Is. West'};
    terminalMap['DUK']={id: 'DUK', region: 1, name: 'Duke Point', location: 'Nanaimo'};
    terminalMap['ERL']={id: 'ERL', region: 0, name: 'Earls Cove', location: 'Sechelt'};
    terminalMap['EAS']={id: 'EAS', region: 0, name: 'Eastbourne', location: 'Keats Island'};
    terminalMap['FUL']={id: 'FUL', region: 2, name: 'Fulford Harbour', location: 'Salt Spring Is.'};
    terminalMap['GAB']={id: 'GAB', region: 2, name: 'Descanso Bay', location: 'Gabriola Island'};
    terminalMap['GAM']={id: 'GAM', region: 0, name: 'New Brighton', location: 'Gambier Island'};
    terminalMap['HRB']={id: 'HRB', region: 2, name: 'Heriot Bay', location: 'Quadra East'};
    terminalMap['HRN']={id: 'HRN', region: 2, name: 'Shingle Spit', location: 'Hornby Island'};
    terminalMap['HSB']={id: 'HSB', region: 0, name: 'Horseshoe Bay', location: 'Vancouver'};
    terminalMap['KLE']={id: 'KLE', region: 3, name: 'Klemtu', location: 'Swindle Island'};
    terminalMap['KPR']={id: 'KPR', region: 2, name: 'Penelakut Island', location: 'Penelakut Island'};
    terminalMap['KTS']={id: 'KTS', region: 0, name: 'Keats Landing', location: 'Keats Island'};
    terminalMap['LNG']={id: 'LNG', region: 0, name: 'Langdale', location: 'Sunshine Coast'};
    terminalMap['MCN']={id: 'MCN', region: 1, name: 'Port McNeill', location: 'Port McNeill'};
    terminalMap['MIL']={id: 'MIL', region: 1, name: 'Mill Bay', location: 'Mill Bay'};
    terminalMap['NAH']={id: 'NAH', region: 1, name: 'Nanaimo Harbour', location: 'Nanaimo'};
    terminalMap['NAN']={id: 'NAN', region: 1, name: 'Departure Bay', location: 'Nanaimo'};
    terminalMap['PBB']={id: 'PBB', region: 3, name: 'McLoughlin Bay', location: 'Bella Bella'};
    terminalMap['PLH']={id: 'PLH', region: 2, name: 'Long Harbour', location: 'Salt Spring Is.'};
    terminalMap['POB']={id: 'POB', region: 2, name: 'Otter Bay', location: 'Pender Island'};
    terminalMap['POF']={id: 'POF', region: 3, name: 'Ocean Falls', location: 'Ocean Falls'};
    terminalMap['PPH']={id: 'PPH', region: 3, name: 'Bear Cove', location: 'Port Hardy'};
    terminalMap['PPR']={id: 'PPR', region: 3, name: 'Prince Rupert', location: 'Prince Rupert'};
    terminalMap['PSB']={id: 'PSB', region: 2, name: 'Sturdies Bay', location: 'Galiano Island'};
    terminalMap['PSK']={id: 'PSK', region: 3, name: 'Skidegate', location: 'Queen Charlottes'};
    terminalMap['PST']={id: 'PST', region: 2, name: 'Lyall Harbour', location: 'Saturna Island'};
    terminalMap['PVB']={id: 'PVB', region: 2, name: 'Village Bay', location: 'Mayne Island'};
    terminalMap['PWR']={id: 'PWR', region: 0, name: 'Westview', location: 'Powell River'};
    terminalMap['QDR']={id: 'QDR', region: 2, name: 'Quathiaski Cove', location: 'Quadra West'};
    terminalMap['SHW']={id: 'SHW', region: 3, name: 'Shearwater', location: 'Denny Island'};
    terminalMap['SLT']={id: 'SLT', region: 0, name: 'Saltery Bay', location: 'Powell River'};
    terminalMap['SOI']={id: 'SOI', region: 2, name: 'Sointula', location: 'Malcolm Island'};
    terminalMap['SWB']={id: 'SWB', region: 1, name: 'Swartz Bay', location: 'Victoria'};
    terminalMap['TEX']={id: 'TEX', region: 2, name: 'Blubber Bay', location: 'Texada Island'};
    terminalMap['THT']={id: 'THT', region: 2, name: 'Thetis Island', location: 'Thetis Island'};
    terminalMap['TSA']={id: 'TSA', region: 0, name: 'Tsawwassen', location: 'Vancouver'};
    terminalMap['VES']={id: 'VES', region: 2, name: 'Vesuvius Bay', location: 'Salt Spring Is.'};   
}

// deprecated

function addArrivals(){
    arrivalList['ALF']=['PSK'];
    arrivalList['ALR']=['MCN','SOI'];
    arrivalList['BEC']=['KLE','PBB','POF','PPH','PPR','SHW'];
    arrivalList['BKY']=['DNM'];
    arrivalList['BOW']=['HSB'];
    arrivalList['BTW']=['MIL'];
    arrivalList['CAM']=['QDR'];
    arrivalList['CFT']=['VES'];
    arrivalList['CHM']=['KPR','THT'];
    arrivalList['CMX']=['PWR'];
    arrivalList['COR']=['HRB'];
    arrivalList['DNE']=['HRN'];
    arrivalList['DNM']=['BKY'];
    arrivalList['DUK']=['TSA'];
    arrivalList['EAS']=['KTS'];
    arrivalList['ERL']=['SLT'];
    arrivalList['FUL']=['SWB'];
    arrivalList['GAB']=['NAH'];
    arrivalList['GAM']=['KTS','LNG'];
    arrivalList['HRB']=['COR'];
    arrivalList['HRN']=['DNE'];
    arrivalList['HSB']=['BOW','LNG','NAN'];
    arrivalList['KLE']=['BEC','PBB','POF','PPH','PPR','SHW'];
    arrivalList['KPR']=['CHM','THT'];
    arrivalList['KTS']=['GAM','EAS','LNG'];
    arrivalList['LNG']=['GAM','HSB','KTS'];
    arrivalList['MCN']=['ALR','SOI'];
    arrivalList['MIL']=['BTW'];
    arrivalList['NAH']=['GAB'];
    arrivalList['NAN']=['HSB'];
    arrivalList['PBB']=['BEC','KLE','POF','PPH','PPR','SHW'];
    arrivalList['PLH']=['POB','PSB','PST','PVB','SWB','TSA'];
    arrivalList['POB']=['PLH','PSB','PST','PVB','SWB','TSA'];
    arrivalList['POF']=['BEC','KLE','PBB','PPH','PPR','SHW'];
    arrivalList['PPH']=['BEC','KLE','PBB','POF','PPR','SHW'];
    arrivalList['PPR']=['BEC','KLE','PBB','POF','PPH','PSK','SHW'];
    arrivalList['PSB']=['PLH','POB','PST','PVB','SWB','TSA'];
    arrivalList['PSK']=['ALF','PPR'];
    arrivalList['PST']=['PLH','POB','PSB','PVB','SWB','TSA'];
    arrivalList['PVB']=['PLH','POB','PSB','PST','SWB','TSA'];
    arrivalList['PWR']=['CMX','TEX'];
    arrivalList['QDR']=['CAM'];
    arrivalList['SHW']=['BEC','KLE','PBB','POF','PPH','PPR'];
    arrivalList['SLT']=['ERL'];
    arrivalList['SOI']=['ALR','MCN'];
    arrivalList['SWB']=['FUL','PLH','POB','PSB','PST','PVB','TSA'];
    arrivalList['TEX']=['PWR'];
    arrivalList['THT']=['CHM','KPR'];
    arrivalList['TSA']=['DUK','PLH','POB','PSB','PST','PVB','SWB'];
    arrivalList['VES']=['CFT'];
}

/**
 * Returns list of DOM objects (OptGroup) that should be added to a Select object.
 * @param List of terminal objects.
 */
 // deprecated
 
function createSortedOptionList(terminalList){
    var regions = new Array(); 
    terminalList.sort(terminalListComparator);
    
    for(var i=0, len = regionList.length; i<len; i++){
        var group = document.createElement("optgroup");
        group.label = regionList[i];
        regions.push(group);
    }
    for(var i=0, len = terminalList.length; i< len; i++){
        var term = terminalList[i];
        var text = term.location != term.name ? term.location+'-'+term.name : term.name;
        addNewOption(regions[term.region], text, term.id);
    }
    return regions;
}

/**
 * Removes all options and optGroup DOM objects from the given select DOM object.
 */
 // deprecated
 
function clearSelect(selectEl){
    // TODO:
    //alert('clearSelect ');
    while(selectEl.childNodes.length > 0){
        selectEl.removeChild(selectEl.childNodes[0]);   
    }
}

/**
 * Adds a new DOM 'option' to the given parent element using appendChild().
 */
 // deprecated
 
function addNewOption(parentEl, text, value){
    var opt = document.createElement("option");//setup default.
    parentEl.appendChild(opt);
    opt.value = value;
    opt.text = text;    
}

/**
 * Fetches the arrival combobox, clears its content and then populates it with
 * new values.
 */
 
 // deprecated
/* 
function repopulateArrivalCombo(terminalList){
    //TODO:
    //alert('repopulateArrivalCombo ');
    
    var el = document.getElementById(arrivalElementId); 
    clearSelect(el);
    addNewOption(el, defaultArrivingLocation, "");
    var regionList = createSortedOptionList(terminalList);
    
    for(var i=0, len = regionList.length; i<len; i++){
        if(regionList[i].childNodes.length > 0){
            el.appendChild(regionList[i]);
        }
    }
}
*/
/**
 * Returns Terminal object based on the code passed in.
 * If a String is passed in a single Terminal is returned.  If an Array is
 * passed in then an Array of Terminals is returned.
 * Assumption: Code passed in exists and is valid!
 */
function getTerminalsFromCode(codeOrList){
    //TODO:
    //alert('getTerminalsFromCode ');
    var result = new Array();
    var isSingle = false;
    if(codeOrList[0] != null ){//is an array.
        for(i in codeOrList){
            result.push(terminalMap[codeOrList[i]]);    
        }
    }else {
        result.push(terminalMap[codeOrList]);
        isSingle = true;
    }
    return !isSingle ? result : result[0];
}

/**
 * Compares Terminal objects.  This allows for sorting in Ascending Location name.
 */
 // deprecated
 
function terminalListComparator(a,b){
    var result = 0;
    if(a.location > b.location){
        result = 1;
    }else if(a.location < b.location){
        result = -1;
    }
    return result;
}

/**
 * Function to call once to populate the Departure locations.
 */
 //@Deprecated
 
function setupDeparture(departureID, arrivalID){
    //TODO:
    //alert('Setup departure ' + departureID + ' ' + arrivalID);
    var el = document.getElementById(departureElementId);
    clearSelect(el);
    addNewOption(el, defaultDepartureText, "");
    
    //Convert the global terminal map into an array.
    var terminalList = new Array();
    for(id in terminalMap){
        terminalList.push(terminalMap[id]);
    }
    
    var regionList = createSortedOptionList(terminalList);
    for(var i=0, len = regionList.length; i<len; i++){
        el.appendChild(regionList[i]);  
    }
    
    if(departureID != ''){
        el.value = departureID;
        if(el.value != departureID){//IE6 fails on this, all other browsers are okay.
            setTimeout(function(){el.value = departureID;}, 1);
        }
        departureChange(departureID, false, true);//do not fire ADF event, but notify FLASH
    }
    if(arrivalID != ''){
        var arr = document.getElementById(arrivalElementId);
        arr.value = arrivalID;
        if(arr.value != arrivalID){//IE6 fails on this, all other browsers are okay.
            setTimeout( function() {arr.value = arrivalID;}, 1);
        }
        arrivalChange(arrivalID, false, true);  
    }
}

/**
 * Programatically sets the terminal ID of the departure drop down. 
 * Note: This method behaves as if user clicked selection but suppresses Flash updates
 * as we assume Flash is calling this method.
 **/
// setDepartureTerminal is required

function setDepartureTerminal(terminalID){
    //TODO:
    //alert('setDepartureTerminal ' + terminalID);
    
    var depCombo = document.getElementById(departureElementId);
    if(terminalID != document.getElementById(departHidden).value){
        //departureChange(terminalID, true, false);
        departureChange(terminalID, true, true);
    }
}

/**
 * Programatically sets the terminalID of the arrival drop down.
 * Note: This method behaves as if user clicked selection but suppresses Flash updates
 * as we assume Flash is calling this method.
 */
 // setArrivalTerminal is not required
 
function setArrivalTerminal(terminalID){
    //TODO:
    //alert('setArrivalTerminal ' + terminalID);
        
    var arrCombo = document.getElementById(arrivalElementId);
    if(terminalID != document.getElementById(arriveHidden).value){
        arrivalChange(terminalID, true);
    }
}

/**
 * Invoked when Dropdown is changed by the User.  Also invoked by Flash
 */
function departureChange(terminalID, suppressFlashEvent, suppressADFEvent){
    //TODO:
    //alert('departureChange ' + terminalID + ' ' + suppressFlashEvent + ' ' + suppressADFEvent );
   

    document.getElementById(departHidden).value = terminalID;

    // manually update the drop-down as well by value
    // TODO: determine where departHidden is declared and set VAR for this
    //       control as well, so we don't refer to it literally here
    document.getElementById(departureElementId).value = terminalID;
    _submitPartialChange('form1',1,{partialTargets:'form1:arrivalCombo',event:'form1:departHidden',source:'form1:departHidden'});

    if(terminalID != ''){
        //var arrivals = getTerminalsFromCode(arrivalList[terminalID]);
        //repopulateArrivalCombo(arrivals);
    }else {
        document.getElementById(departureElementId).selectedIndex = 0;
        document.getElementById(departHidden).value = '';
        //clearSelect(document.getElementById(arrivalElementId)); 
    }
    /*
    if(suppressFlashEvent != true){
        BCFflashmapSetStartTerminalCode(terminalID);
    }
    //IF arrival has only one. then populate.
    var arrivEl = document.getElementById(arrivalElementId);
        var arriveValue = arrivEl.value;//IE6 breaks unless we use temp variable.
    if(arrivEl.options.length == 2){//the SELECT text and the one terminal.
        arrivEl.value = arrivEl.options[1].value;
                arriveValue = arrivEl.options[1].value;//For arriveChange event.
        if(arrivEl.value != arrivEl.options[1].value){
            setTimeout( function() {arrivEl.value = arrivEl.options[1].value;}, 1);
        }
    }*/
    //TODO:
    // arrival will be changed based on the change of the departureTerminal
    arrivalChange('', false, true);//Update the arrival to show '' as departure has changed.
}

function arrivalChange(terminalID, suppressFlashEvent, suppressADFEvent){

    //TODO:
    //alert('arrivalChange ' + terminalID + ' ' + suppressFlashEvent + ' ' + suppressADFEvent );

    document.getElementById(arriveHidden).value = terminalID;

    // manually update the drop-down as well by value
    // TODO: determine where departHidden is declared and set VAR for this
    //       control as well, so we don't refer to it literally here
    
    document.getElementById(arrivalElementId).value = terminalID;

    if(suppressFlashEvent != true){
        BCFflashmapSetEndTerminalCode(terminalID);
    }
    
    if(suppressADFEvent != true){
        //kickADF(arriveHidden, terminalID);
        _submitPartialChange('form1',1,{partialTargets:'form1:selectOneTravelType',event:'form1:arriveHidden',source:'form1:arriveHidden'});
    }
}

//Setup values.
//addRegions();
//addTerminals();
//addArrivals();