// This implementation uses jQuery

// My non-conflicting jQuery instance...
var externalService;

function formatForExternalService() {
    // Store all values to a map...
    var myMap = new Object();

    // Get user's name and UCO
    var fullUser = $('#id-uzivatel').text();
    var nameSurname = fullUser.match(/^[^(]+/)[0].trim();// divUco.getElementsByTagName("b")[0].textContent;
    var uco = fullUser.match(/\d+/)[0];
    myMap["uco"] = uco;
    myMap["name"] = nameSurname;
    //alert("User:" + nameSurname + ", uco:" + uco);

    // Get studies (may not be defined)
    //var studies = $('span').text();
    myMap["study"] = ''; // studies;
    //alert("Studies:" + studies);
    
    // Walk through all input elements...
    var inputs = $(":input[name^='tst']");   // input elements starting with 'tst' in their 'name' attribute
    inputs.each(function() {
        var t = $(this).attr('type');
        var n = $(this).attr('name');
        if (t == "radio") {
            if ($(this).is( ":checked" )) {
                myMap[n] = $(this).parent().text();
            }
        } else if (t == "checkbox") {
            if ($(this).is( ":checked" )) {
                if (n in myMap) {
                    myMap[n] = myMap[n] + "#;#" + $(this).parent().text();
                } else {
                    myMap[n] = $(this).parent().text();
                }
            }
        } else if (t == "text") {
            myMap[n] = $(this).val().replace(/(\r\n|\n|\r)/gm, " ");
        } else if ($(this).is('textarea')) {
            if (n != externalService.attr('name')) {
                myMap[n] = $(this).val().replace(/(\r\n|\n|\r)/gm, "#^#");
            }
        } else if ($(this).is('select')) {
            $(this).contents().filter('option:selected').each(function() {
                if (n in myMap) {
                    myMap[n] = myMap[n] + "#;#" + $(this).text();
                } else {
                    myMap[n] = $(this).text();
                }
            });
        }
        //alert('Name:' + n + ', Type:' + t + ", Value:" + $(this).val() +
        //        ", Map update: " + myMap[n]);
    });

    // Format the map to string... and store it to the correct text area
    var toSend = "";
    for (var key in myMap) {
        toSend = toSend + key + ":" + myMap[key] + "\n";
    }
    //alert("ToSend:" + toSend);
    externalService.attr("value", toSend);
}

// Register to the submit button...
$(document).ready(function() {
    //alert("Home assignment No.1");
    // Save the e: question element...
    externalService = $("textarea[name$='_e_a_1']:last");
    form = $("form[name='testform']");
    form.submit(function(event) {
            // Format all student answers into the e: question
            formatForExternalService();
            // Do regular form submit....
            return; //event.preventDefault();
    });
    // Hide the e: question...
    externalService.hide();
    // Hide its answer value in next p element
    externalService.next("p").hide();
});