//
// SCORM 1.2 API Implementation
//
function AICCapi() {
    // Standard Data Type Definition
    CMIString256 = '^.{0,255}$';
    CMIString4096 = '^.{0,4096}$';
    CMITime = '^([0-2]{1}[0-9]{1}):([0-5]{1}[0-9]{1}):([0-5]{1}[0-9]{1})(\.[0-9]{1,2})?$';
    CMITimespan = '^([0-9]{2,4}):([0-9]{2}):([0-9]{2})(\.[0-9]{1,2})?$';
    CMIInteger = '^\\d+$';
    CMISInteger = '^-?([0-9]+)$';
    CMIDecimal = '^-?([0-9]{0,3})(\.[0-9]{1,2})?$';
    CMIIdentifier = '^\\w{1,255}$';
    CMIFeedback = CMIString256; // This must be redefined
    CMIIndex = '[._](\\d+).';

    // Vocabulary Data Type Definition
    CMIStatus = '^passed$|^completed$|^failed$|^incomplete$|^browsed$';
    CMIStatus2 = '^passed$|^completed$|^failed$|^incomplete$|^browsed$|^not attempted$';
    CMIExit = '^time-out$|^suspend$|^logout$|^$';
    CMIType = '^true-false$|^choice$|^fill-in$|^matching$|^performance$|^sequencing$|^likert$|^numeric$';
    CMIResult = '^correct$|^wrong$|^unanticipated$|^neutral$|^([0-9]{0,3})?(\.[0-9]{1,2})?$';
    NAVEvent = '^previous$|^continue$';

    // Children lists
    cmi_children = 'core, suspend_data, launch_data, comments, objectives, student_data, student_preference, interactions';
    core_children = 'student_id, student_name, lesson_location, credit, lesson_status, entry, score, total_time, lesson_mode, exit, session_time';
    score_children = 'raw, min, max';
    comments_children = 'content, location, time';
    objectives_children = 'id, score, status';
    student_data_children = 'attempt_number, tries, mastery_score, max_time_allowed, time_limit_action';
    student_preference_children = 'audio, language, speed, text';
    interactions_children = 'id, objectives, time, type, correct_responses, weighting, student_response, result, latency';

    // Data ranges
    score_range = '0#100';
    audio_range = '-1#100';
    speed_range = '-100#100';
    weighting_range = '-100#100';
    text_range = '-1#1';

    // The AICC data model
    var datamodel =  {
        'cmi._children':{'defaultvalue':cmi_children, 'mod':'r', 'writeerror':'402'},
        'cmi._version':{'defaultvalue':'3.4', 'mod':'r', 'writeerror':'402'},
        'cmi.core._children':{'defaultvalue':core_children, 'mod':'r', 'writeerror':'402'},
        'cmi.core.student_id':{'defaultvalue':'', 'mod':'r', 'writeerror':'403'},
        'cmi.core.student_name':{'defaultvalue':'', 'mod':'r', 'writeerror':'403'},
        'cmi.core.lesson_location':{'defaultvalue':'', 'format':CMIString256, 'mod':'rw', 'writeerror':'405'},
        'cmi.core.credit':{'defaultvalue':'', 'mod':'r', 'writeerror':'403'},
        'cmi.core.lesson_status':{'defaultvalue':'', 'format':CMIStatus, 'mod':'rw', 'writeerror':'405'},
        'cmi.core.exit':{'defaultvalue':'', 'format':CMIExit, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
        'cmi.core.entry':{'defaultvalue':'', 'mod':'r', 'writeerror':'403'},
        'cmi.core.score._children':{'defaultvalue':score_children, 'mod':'r', 'writeerror':'402'},
        'cmi.core.score.raw':{'defaultvalue':'', 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.core.score.max':{'defaultvalue':'', 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.core.score.min':{'defaultvalue':'', 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.core.session_time':{'format':CMITimespan, 'mod':'w', 'defaultvalue':'00:00:00', 'readerror':'404', 'writeerror':'405'},
        'cmi.core.total_time':{'defaultvalue':'00:00:00', 'mod':'r', 'writeerror':'403'},
        'cmi.core.lesson_mode':{'defaultvalue':'', 'mod':'r', 'writeerror':'403'},
        'cmi.suspend_data':{'defaultvalue':'', 'format':CMIString4096, 'mod':'rw', 'writeerror':'405'},
        'cmi.launch_data':{'defaultvalue':'', 'mod':'r', 'writeerror':'403'},
        'cmi.comments':{'defaultvalue':'', 'format':CMIString4096, 'mod':'rw', 'writeerror':'405'},
        // deprecated evaluation attributes
        'cmi.evaluation.comments._count':{'defaultvalue':'0', 'mod':'r', 'writeerror':'402'},
        'cmi.evaluation.comments._children':{'defaultvalue':comments_children, 'mod':'r', 'writeerror':'402'},
        'cmi.evaluation.comments.n.content':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIString256, 'mod':'rw', 'writeerror':'405'},
        'cmi.evaluation.comments.n.location':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIString256, 'mod':'rw', 'writeerror':'405'},
        'cmi.evaluation.comments.n.time':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMITime, 'mod':'rw', 'writeerror':'405'},
        'cmi.comments_from_lms':{'mod':'r', 'writeerror':'403'},
        'cmi.objectives._children':{'defaultvalue':objectives_children, 'mod':'r', 'writeerror':'402'},
        'cmi.objectives._count':{'mod':'r', 'defaultvalue':'0', 'writeerror':'402'},
        'cmi.objectives.n.id':{'pattern':CMIIndex, 'format':CMIIdentifier, 'mod':'rw', 'writeerror':'405'},
        'cmi.objectives.n.score._children':{'pattern':CMIIndex, 'mod':'r', 'writeerror':'402'},
        'cmi.objectives.n.score.raw':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.objectives.n.score.min':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.objectives.n.score.max':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.objectives.n.status':{'pattern':CMIIndex, 'format':CMIStatus2, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_data._children':{'defaultvalue':student_data_children, 'mod':'r', 'writeerror':'402'},
        'cmi.student_data.attempt_number':{'defaultvalue':'', 'mod':'r', 'writeerror':'402'},
        'cmi.student_data.tries.n.score.raw':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_data.tries.n.score.min':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_data.tries.n.score.max':{'defaultvalue':'', 'pattern':CMIIndex, 'format':CMIDecimal, 'range':score_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_data.tries.n.status':{'pattern':CMIIndex, 'format':CMIStatus2, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_data.tries.n.time':{'pattern':CMIIndex, 'format':CMITime, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_data.mastery_score':{'defaultvalue':'', 'mod':'r', 'writeerror':'403'},
        'cmi.student_data.max_time_allowed':{'defaultvalue':'', 'mod':'r', 'writeerror':'403'},
        'cmi.student_data.time_limit_action':{'defaultvalue':'', 'mod':'r', 'writeerror':'403'},
        'cmi.student_data.tries_during_lesson':{'defaultvalue':'', 'mod':'r', 'writeerror':'402'},
        'cmi.student_preference._children':{'defaultvalue':student_preference_children, 'mod':'r', 'writeerror':'402'},
        'cmi.student_preference.audio':{'defaultvalue':'0', 'format':CMISInteger, 'range':audio_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_preference.language':{'defaultvalue':'', 'format':CMIString256, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_preference.speed':{'defaultvalue':'0', 'format':CMISInteger, 'range':speed_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.student_preference.text':{'defaultvalue':'0', 'format':CMISInteger, 'range':text_range, 'mod':'rw', 'writeerror':'405'},
        'cmi.interactions._children':{'defaultvalue':interactions_children, 'mod':'r', 'writeerror':'402'},
        'cmi.interactions._count':{'mod':'r', 'defaultvalue':'0', 'writeerror':'402'},
        'cmi.interactions.n.id':{'pattern':CMIIndex, 'format':CMIIdentifier, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
        'cmi.interactions.n.objectives._count':{'pattern':CMIIndex, 'mod':'r', 'defaultvalue':'0', 'writeerror':'402'},
        'cmi.interactions.n.objectives.n.id':{'pattern':CMIIndex, 'format':CMIIdentifier, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
        'cmi.interactions.n.time':{'pattern':CMIIndex, 'format':CMITime, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
        'cmi.interactions.n.type':{'pattern':CMIIndex, 'format':CMIType, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
        'cmi.interactions.n.correct_responses._count':{'pattern':CMIIndex, 'mod':'r', 'defaultvalue':'0', 'writeerror':'402'},
        'cmi.interactions.n.correct_responses.n.pattern':{'pattern':CMIIndex, 'format':CMIFeedback, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
        'cmi.interactions.n.weighting':{'pattern':CMIIndex, 'format':CMIDecimal, 'range':weighting_range, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
        'cmi.interactions.n.student_response':{'pattern':CMIIndex, 'format':CMIFeedback, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
        'cmi.interactions.n.result':{'pattern':CMIIndex, 'format':CMIResult, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
        'cmi.interactions.n.latency':{'pattern':CMIIndex, 'format':CMITimespan, 'mod':'w', 'readerror':'404', 'writeerror':'405'},
        'nav.event':{'defaultvalue':'', 'format':NAVEvent, 'mod':'w', 'readerror':'404', 'writeerror':'405'}
    };

    //
    // Datamodel inizialization
    //
    var cmi = new Object();
        cmi.core = new Object();
        cmi.core.score = new Object();
        cmi.objectives = new Object();
        cmi.student_data = new Object();
        cmi.student_preference = new Object();
        cmi.interactions = new Object();
        // deprecated evaluation attributes
        cmi.evaluation = new Object();
        cmi.evaluation.comments = new Object();

    // Navigation Object
    var nav = new Object();

    for (element in datamodel) {
        if (element.match(/\.n\./) == null) {
            if ((typeof eval('datamodel["'+element+'"].defaultvalue')) != 'undefined') {
                eval(element+' = datamodel["'+element+'"].defaultvalue;');
            } else {
                eval(element+' = "";');
            }
        }
    }


    if (cmi.core.lesson_status == '') {
        cmi.core.lesson_status = 'not attempted';
    }

    //
    // API Methods definition
    //
    var Initialized = false;

    function LMSInitialize (param) {
        errorCode = "0";
        if (param == "") {
            if (!Initialized) {
                Initialized = true;
                errorCode = "0";
                return "true";
            } else {
                errorCode = "101";
            }
        } else {
            errorCode = "201";
        }
        return "false";
    }

    function LMSFinish (param) {
        errorCode = "0";
        if (param == "") {
            if (Initialized) {
                Initialized = false;
                result = StoreData(cmi,true);
                if (nav.event != '') {
                    if (nav.event == 'continue') {
                        setTimeout('mod_scorm_launch_next_sco();',500);
                    } else {
                        setTimeout('mod_scorm_launch_prev_sco();',500);
                    }
                } else {
                    if ( == 1) {
                        setTimeout('mod_scorm_launch_next_sco();',500);
                    }
                }
                // trigger TOC update
                var sURL = "" + "/mod/scorm/prereqs.php?a=&scoid=&attempt=&mode=&currentorg=&sesskey=