var jobs = new Array();
var sortOrder = 0; 
var sortOn = "";

var Jobb = Class.create({
    initialize: function(befattning, kategori, foretag, anmalningsdatum, url) {
        this.befattning = befattning;
        this.kategori = kategori;
        this.foretag = foretag;
        this.anmalningsdatum = anmalningsdatum;
        this.url = url;
        this.befattningLower = befattning.toLowerCase();
        this.kategoriLower = kategori.toLowerCase();
        this.foretagLower = foretag.toLowerCase();
    }
});

function initJobs() {
    sortOn = readCookie("sortOn");
    sortOrder = readCookie("sortOrder");
    if (sortOrder == null)
        sortOrder = 0;

    

    filterJobs();
}

function renderJobs(foretag, kategori, sokord) {
    var hitcount = 0;
    var obj = $("target");
    //obj.innerHTML = "";
    obj = replaceHtml(obj,"");

    // Lower case
    foretag = foretag.toLowerCase();
    kategori = kategori.toLowerCase();
    sokord = (sokord == "Fritextsökning") ? "" : sokord.toLowerCase();

    var sout = "";
    var j;

    for (var i = 0, len = jobs.length; i < len; ++i) {
        j = jobs[i];
        if (((foretag.length == 0) || (j.foretagLower == foretag))
        && ((kategori.length == 0) || (j.kategoriLower == kategori))
        && ((sokord.length == 0) || ((j.foretagLower.indexOf(sokord) > -1) || (j.kategoriLower.indexOf(sokord) > -1)) || (j.befattningLower.indexOf(sokord) > -1))) {
            if(j.url.length==0) 
                sout += "<a onclick=\"return false;\"><div class=\"jobb\" onmouseover=\"Element.addClassName(this,'hover')\" onmouseout=\"Element.removeClassName(this,'hover')\"><div class=\"right\">Kommer inom kort</div><strong>" + j.befattning + "</strong> <!--(" + j.kategori + ")--><br />" + j.foretag + "</div></a>";
            else
                sout += "<a href=\""+j.url+"\" target=\"_blank\"><div class=\"jobb\" onmouseover=\"Element.addClassName(this,'hover')\" onmouseout=\"Element.removeClassName(this,'hover')\"><!--<div class=\"right\"><strong>"+j.anmalningsdatum+"</strong></div>--><strong>" + j.befattning + "</strong> <!-- (" + j.kategori + ")--><br />" + j.foretag + "</div></a>";
            
            hitcount++;
        }
    }
    
    Element.insert(obj, sout);
    if(foretag == "" && sokord == "")
        $("hitcount").innerHTML = hitcount + (hitcount==1?" träff":" träffar") + ", ca 300 jobb";
    else 
        $("hitcount").innerHTML = hitcount + (hitcount==1?" träff":" träffar");
}

function filterJobs() {
    renderJobs($("foretag").value, $("kategori").value, $("sokord").value);
}

function sortJobs(sorton) {
    if (sortOn == sorton) {
        // Already sorting on sorton, swap direction..
        sortOrder = 1 - sortOrder;
        jobs.reverse();
    }
    else {
        // Different sorton, reset order...
        sortOn = sorton;
        sortOrder = 0;

        if (sortOn == "Ansokningsdag")
            jobs = jobs.sortBy(function(j) { return ""+j.anmalningsdatum; });
        else
            jobs = jobs.sortBy(function(j) { return j.befattningLower; });
    }

    createCookie("sortOrder", sortOrder, 90);
    createCookie("sortOn", sortOn, 90);
    filterJobs();
}

function createCookie(name, value, days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        var expires = "; expires=" + date.toGMTString();
    }
    else
        var expires = "";
    document.cookie = name + "=" + value + expires + "; path=/";
}

function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
    return null;
}

function replaceHtml(el, html) {
	var oldEl = typeof el === "string" ? document.getElementById(el) : el;
	/*@cc_on // Pure innerHTML is slightly faster in IE
		oldEl.innerHTML = html;
		return oldEl;
	@*/
	var newEl = oldEl.cloneNode(false);
	newEl.innerHTML = html;
	oldEl.parentNode.replaceChild(newEl, oldEl);
	/* Since we just removed the old element from the DOM, return a reference
	to the new element, which can be used to restore variable references. */
	return newEl;
}

initJobs();