/**
 * Sets the selected tab to the summary tab and loads the summary page.
 */

function setupNotebook()
{
   console.log("setupNotebook() starting");
   changeTab('summaryTab');  // Initially show Summary tab
   showContent('summaryPageContent')
   loadSummaryPage();
   loadPages();
   setCookie("time", "0");
   setCookie("scriptScrollY", 0);
   setCookie("summaryScrollY", 0);
   run();  // start the script scrolling
}

/**
 * Loads the summary tab page;
 */
function loadSummaryPage()
{	   
    incidents.doc = getDocumentFromFrame('summaryTabPage');
    window.frames[0].loadSummary(incidents); 
}

/**
 * Loads content of the pages for Simulation Script and Current Event
 */
function loadPages()
{
   window.frames[1].loadScript(events, incidents);
   window.frames[2].loadScript(events, incidents);
   window.frames[4].loadRoles(events, incidents);
}

/**
 * Start scrolling the script in an infinite loop.
 */
function run()
{
	run.initialDelay = 1000;
	setTimeout("run.run()", run.initialDelay);
	
	run.run = function()
	{
		setTime();
	};
}

/**
 * Sets 'simulationTime' to the current simulation time in seconds.
 * This method runs itself every second to keep the time current.
 * Sets the cookie 'time' to the value of 'simulationTime'.
 * @return
 */
function setTime()
{
    /** Load the sim time file and extract the seconds */
    loadJSON("../dynamicdata/sim_elapsedtime.json", function(response)
    {
        try {
            simclockjson = JSON.parse(response);
            seconds = simclockjson.elapsedtime;
            setTime.time = seconds;
	        // increment time by one second (or initialize it if it has not been set before)
            //	    setTime.time = (typeof setTime.time == 'undefined') ? 0 : ++setTime.time;

            setCookie("time", "" + setTime.time);
           
	        // display the latest simulation time
	        document.getElementById("simulationTime").innerHTML = 
		        Time.formatTime(setTime.time);
        } catch(e) {
            console.log("Error attempt to parse sim_elapsedtime.json: "+response)
        }
	    
        setTimeout("setTime()", 1000);
    });
}
/**
 * Selects a new tab to be viewed. 
 * @param id The id for the tab to be selected
 */
function changeTab(id)
{
    /* Set all tabs to not being active */
    document.getElementById("summaryTab").className = "notActive";
    document.getElementById("scriptTab").className = "notActive";
    document.getElementById("currentTab").className = "notActive";
    document.getElementById("mapsTab").className = "notActive";
    document.getElementById("rolesTab").className = "notActive";

    /* Set the selected tab to being active */
    document.getElementById(id).className = "activeTab";
}

/**
 * @param id The id of the frame element.
 * @return The document of the frame element.
 */
function getDocumentFromFrame(id)
{
    var frame=document.getElementById(id);
    var doc=(frame.contentWindow || frame.contentDocument);
    
    if (doc.document)doc=doc.document;
    
    return doc;
}

/**
 * Hides a tab page
 * @param d The div of the page to hide.
 */
function hideContent(d) 
{
    document.getElementById(d).style.display = "none";
}

/**
 * Switches the tab page.
 * @param d The div of the page to show.
 */
function showContent(d) 
{
    hideContent('summaryPageContent');
    hideContent('scriptPageContent');
    hideContent('currentEventPageContent');
    hideContent('mapsPageContent');    
    hideContent('rolePageContent');    
    document.getElementById(d).style.display = "block"; 
}