var buyNowText = "buy now";
var moreInfoText = "more information";
var soldOutText = "sold out";
var notOnSaleText = "tickets not on sale";
var setCalText = function(b, m, s, n) {
    buyNowText = (b.toString().length > 0) ? b : buyNowText;
    moreInfoText = (m.toString().length > 0) ? m : moreInfoText;
    soldOutText = (s.toString().length > 0) ? s : soldOutText;
    notOnSaleText = (n.toString().length > 0) ? n : notOnSaleText;
}

// display performances per date
var viewPerfs = function(data) {
    var perfs = data.split("|");
    var links = "";
    for (x = 0; x < perfs.length-1; x++) {
        var perf = perfs[x].split(";")
        var perfT = perf[0];
        var perfTime = perf[1];
        var info = "<a href=\"" + perf[5] + "?p=" + perf[2] + "\">" + moreInfoText + "</a> · ";
        var avail = perf[3];
        if (avail == "Y") {
            buyNow = "<a href=\"" + perf[4] + "?p=" + perf[2] + "\">" + buyNowText + "</a>";
        } else if (avail == "N") {
            buyNow = soldOutText;
        } else if (avail == "E") { 
            buyNow = "";
        } else if (avail == "U") { 
            buyNow = notOnSaleText; 
        }
        links += "<p><b>" + perfT + "</b><BR>" + perfTime + "<BR>" + info + buyNow + "</p>";
    }
    $("#disp_perfs").html(links);
}

// toggle calendar link
var toggleCalLink = function(t,l) {
    $("#toggleCalendar").attr("href","javascript:toggleCal('" + t + "');void(0);");
    $("#toggleCalendar").text("View as " + l);
}

// toggle calendar
var toggleCal = function(v) {
    if (v == "text") {
        $("#boxContain").hide();
        $("#textContain").show();
        toggleCalLink("box","Calendar");
        $("#view").val("text");
        // set height 
        $("#calendarContain").height($("#textContain").height());
    } else if (v == "box" || v == "") {
        $("#boxContain").show();
        $("#textContain").hide();
        toggleCalLink("text","List");
        $("#view").val("box");
        // set height 
        $("#calendarContain").height($("#boxContain").height());
    }
}

// toggle account info tabs
// toggle calendar link
var toggleAcctTab = function(a,validSummID) {
    var tab = a.parentNode.id;
    var tabCont = a.parentNode.parentNode;
    for (x=0;x<tabCont.childNodes.length;x++) {
        if (tabCont.childNodes[x].id == tab) {
            activateTab(tabCont.childNodes[x]);
        } else {
            deactivateTab(tabCont.childNodes[x]);
        }
    }
}

var activateTab = function(t) {
    var id = "#" + t.id;
    $(id).removeClass("tab");
    $(id).addClass("tabSelected");
}

var deactivateTab = function(t) {
    var id = "#" + t.id;
    $(id).removeClass("tabSelected");
    $(id).addClass("tab");
}


// get states:
var getStates = function(url,country,dest,sel) {
    var fullURL = url + "_util/AjaxData.aspx?methName=GetStateProvinceEx&country=" + country;
    var msg = "";
    $.ajax({
        type: "GET",
        url: fullURL,
        contentType: "xml",
        success: function(txt) {
            dest.options.length = 0
            dest.options.add(new Option('',''));
            var dom = parseXML(txt); 
            var $dom = $(dom); 
            $dom.find("StateProvince").each(
                function(){
                    var id = $(this).find("id").text();
                    var desc = $(this).find("description").text();
                    var opt = new Option(desc,id);
                    if (id == sel) { opt.selected = true; }
                    dest.options.add(opt);
            });
        }
    });
}  

// display zpt grid for CYO perf seats
var showZonePriceTypes = function(invNo) {
    $("#"+invNo).dialog("option", "buttons", { "close": function() { $(this).dialog("close"); } });
    $("#"+invNo).dialog("option","width","auto");
    $("#"+invNo).dialog("option","height","auto");
    $("#"+invNo).dialog("open");
}

// get performance data for pkg dialog box; id of div provided in dest
var getInvContent = function(url,invNo,id) {
    var fullURL = url + "_util/AjaxData.aspx?methName=GetWebContent&invNo=" + invNo;
    var msg = "";
    var text = "";
    var img = "";
    document.body.style.cursor = "wait";
    $.ajax({
        type: "GET",
        url: fullURL,
        contentType: "xml",
        error: function() {
            document.body.style.cursor = "default";
            alert("The information you requested could not be retrieved.");
        },
        success:  function(txt) {
            var dom = parseXML(txt); 
            var $dom = $(dom); 
            var show = false;
            $dom.find("WebContent").each(
                function(){
                    var desc = $(this).find("content_type_desc").text();
                    var value = $(this).find("content_value").text();
                    if (desc == "TN_Express_Prod_Img") {
                        img = value;
                    } else if (desc == "TN_Express_Prod_Short_Desc") {
                        text = value;
                    }
            });
        },
        complete: function() {
            if (text.length > 0) {
                $("#" + id + " > #prodText > #pText").html(text); //.text(text);                
            }
            if (img.length > 0) {
                 $("#" + id + " > #prodText > #pImg").attr("src", img);
                 $("#" + id + " > #prodText > #pImg").show();
            } else if (img.length <= 0) {
                $("#" + id + " > #prodText > #pImg").hide();
            }
            $("#"+id).dialog("option", "buttons", { "close": function() { $(this).dialog("close"); } });
            $("#"+id).dialog("option","height","auto");
            $("#"+id).dialog("open");
            document.body.style.cursor = "default";
        } 
    });
}  


// constants for use with CYO pkg perf mgmt functions
var perfGroups = new Array();
var pkgMin = 0; var pkgMax = 0;
var chosenPerfCount = 0;
var pkgPerfReq = 0;
var pgLoaded = false;

var buildPkgPGData = function() {
    $("#perfListings > option[value=-1]").each(
        function() {
            var perfG = parseInt($(this).attr("perfGroup")); 
            var perfGMin = parseInt($(this).attr("perfGroupMin"));
            var perfGMax = parseInt($(this).attr("perfGroupMax"));
            pkgMin = parseInt($(this).attr("pkgMin"));
            pkgMax = parseInt($(this).attr("pkgMax"));
            var thisPerfGroup = new Array(perfG, perfGMin, perfGMax);
            if (perfGMin > 0) {
            // if perfGMin / max exist, then use that data
                var chosenPerfG = $("#chosenPerfs > option[perfGroup="+perfG+"]").size();
                if (chosenPerfG < perfGMin) { pkgPerfReq += parseInt(perfGMin-chosenPerfG); }
            //} else if (perfGMin == 0 && pkgMin > 0) {
            // if perfGMin / max dont exist, use pkg min / max
            //     if (chosenPerfCount < pkgMin) { pkgPerfReq += parseInt(pkgMin-chosenPerfCount); }
            }
            perfGroups[perfGroups.length] = thisPerfGroup;
            pgLoaded = true;
        }
    );
    if (chosenPerfCount < pkgMin && pkgPerfReq == 0) { 
        pkgPerfReq = parseInt(pkgMin-chosenPerfCount); 
    }
}

// evaluate whether or not flex pkg perf selections meet qualifications to proceed to seating
var evalNFSPerfs = function() {
    var overPerfCt = 0; var chooseMore = 0;
    var chosenPerfCount = $("#chosenPerfs > option").size()-1;
    if (chosenPerfCount == 0) {
        $("#chosenPerfs").width($("#perfListings").width()+20);
    }
    // if data not yet loaded
    if (!pgLoaded) { buildPkgPGData(); }
    if (pkgMax > 0 && chosenPerfCount > pkgMax) { overPerfCt = parseInt(chosenPerfCount-pkgMax); }
    if (pkgPerfReq > chosenPerfCount) { chooseMore = parseInt(pkgPerfReq-chosenPerfCount); }
    if (chooseMore > 0 || overPerfCt > 0) {
        if (chooseMore > 0) {
            $("#chosenPerfs > option[value=-1]").text("Choose " + chooseMore + " more performance(s)");
        }
        if (overPerfCt > 0) {
            $("#chosenPerfs > option[value=-1]").text("Please remove " + overPerfCt + " item(s) from this list");
        }
        $("#chosenPerfs > option[value=-1]").show()
        $("#btn_continue").attr("disabled","true");
    } else {
        document.getElementById("perfs").value = ""; 
        document.getElementById("perfGroups").value = "";
        $("#chosenPerfs > option[value=-1]").text("Success! Click 'Continue' to proceed");
        $("#chosenPerfs > option[value=-1]").hide();
        $("#btn_continue").removeAttr("disabled");
        $("#chosenPerfs > option[value!=-1]").each(
            function() { 
                document.getElementById("perfs").value += $(this).val()+",";
                document.getElementById("perfGroups").value += $(this).attr("perfGroup")+",";
            }
        );
    } 
}

var evalPerfSelection = function(pg) {
    var res = true;
    var pcount = $("#chosenPerfs > option[value!=-1]").length;
    if (pkgMax > 0 && pcount == pkgMax) {
        alert("This package cannot contain more than " + pkgMax + " performance(s).\nYou must remove an existing selection before adding a new performance.");
        res = false;
    } else if (pkgMax <= 0 || pcount < pkgMax) {
        var pgMax = 0;
        var pgcount = $("#chosenPerfs > option[perfGroup="+pg+"]").length;
        for (y=0; y < perfGroups.length; y++) {
            if (parseInt(perfGroups[y][0]) == parseInt(pg)) {
                pgMax = perfGroups[y][2];
                break;
            }
        }
        if (pgMax > 0 && pgcount == pgMax) {
            alert("This package cannot contain more than " + pgMax + " performance(s) from this group.\nYou must remove an existing selection from this group before adding a new performance.");
            res = false;
        }
    }
    return res;
}

var evalPGMins = function() { // call at form submit
    // evaluate how sel perfs stack up against perf groups mins
    var res = true;
    for (y=0; y < perfGroups.length; y++) {
        var pg = perfGroups[y][0];
        var pgMin = perfGroups[y][1];
        var pgcount = $("#chosenPerfs > option[perfGroup="+pg+"]").length;
        if (parseInt(pgMin) > parseInt(pgcount)) {
            alert("One or more package performance groups have not had the minimum number of performances added to your selection.\n\nPlease review your performance selection and make additions where necessary.");
            res = false;
            break;
        }
    }
    return res;
}

var addPerf = function() {
    $("#perfListings > option:selected[value>0]").each(
        function() {        
            selectPerf($(this));
            /*if (Number($(this).val()) > 0) {
                if ($("#chosenPerfs > option[value=" + $(this).val() + "]").size() <= 0) {
                    var par = $(this);
                    var id = $(this).html();
                    var desc = $(this).val();
                    var perfGroup = $(this).attr("perfGroup");
                    
                    if (evalPerfSelection(perfGroup)) {
                        var opt = new Option(id, desc);
                        opt.setAttribute("perfGroup", perfGroup);
                        
                        document.getElementById("chosenPerfs").options.add(opt);

                        $("#chosenPerfs").append(opt);
                        $(this).css("background-color","#CCC"); 
                        $(this).removeAttr("selected");       
                   }             
                }
            }*/
        }
    );
    evalNFSPerfs();
}

var selectPerf = function(option) { //where option is a jqyery object : $(this)
    if (Number(option.val()) > 0) {
        if ($("#chosenPerfs > option[value=" + option.val() + "]").size() <= 0) {
            var par = option;
            var id = option.html();
            var desc = option.val();
            var perfGroup = option.attr("perfGroup");
            
            if (evalPerfSelection(perfGroup)) {
                var opt = new Option(id, desc);
                opt.setAttribute("perfGroup", perfGroup);
                
                document.getElementById("chosenPerfs").options.add(opt);

                $("#chosenPerfs").append(opt);
                option.css("background-color","#CCC"); 
                option.removeAttr("selected");       
           }             
        }
    }
}

var dropPerf = function() {
    $("#chosenPerfs > option:selected[value>0]").each(
        function() { 
            if (Number($(this).val()) > 0) {
                $("#perfListings > option[value=" + $(this).val() + "]").css("background-color","#FFF"); 
                $(this).remove();
            }
        }
    );
    evalNFSPerfs();
}

// if user returns to CYO perfs page to change perf selection, need to prepop selection at page load
var prepopNFSSel = function(perfList) {
    if (perfList != "") {
        var pl = perfList.split(",");
        for (x=0; x<pl.length-1;x++) {
            var option = $("#perfListings > option[value=" + pl[x] + "]");
            selectPerf(option);  
        }
        evalNFSPerfs();
    }
}

// for use on NSF page ~
var viewNFSPerf = function(url) {
    var invNo = new Number($("#perfListings option:selected").val());
    var pInvNo = new Number($("#chosenPerfs option:selected").val());
    //if (invNo > 0) { getInvContent(url, invNo, "000"); pInvNo = 0; }
    //if (pInvNo > 0) { getInvContent(url, pInvNo, "000"); }
    if (invNo > 0) { $("#"+invNo).dialog("open"); pInvNo = 0; }
    if (pInvNo > 0) { $("#"+pInvNo).dialog("open"); }
}

//xml parser ~ used by ajax functions above
function parseXML( xml ) { 
    if( window.ActiveXObject && window.GetObject ) { 
        var dom = new ActiveXObject( 'Microsoft.XMLDOM' ); 
        dom.loadXML( xml ); 
        return dom; 
    } 
    if( window.DOMParser ) 
        return new DOMParser().parseFromString( xml, 'text/xml' ); 
    throw new Error( 'No XML parser available' ); 
}