/*jslint onevar: false, browser: true, evil: true, laxbreak: true, undef: true, nomen: true, eqeqeq: true, bitwise: true, maxerr: 1000, immed: false, white: false, plusplus: false, regexp: false, undef: false */
/*global jetpack */
// Released under the MIT/X11 license
// http://www.opensource.org/licenses/mit-license.php

"use strict";
jetpack.future.import("pageMods");
jetpack.future.import("storage.simple");
jetpack.future.import("selection");
jetpack.future.import("clipboard");

// http://en.wikipedia.org/wiki/HSL_color_space
// when only the value of S is changed
// stupido!!! the string is value in hex for each color
var RHColor = new Color(158, 41, 43); // RGB 158, 41, 43; HSL 359, 1, 39
var FedoraColor = new Color(0, 40, 103); // RGB 0, 40, 103; HSL 359, 1, 39
var RawhideColor = new Color(0, 119, 0); // or "green", or RGB 0, 119, 0, or HSL 120, 0, 23
var RHITColor = new Color(102, 0, 102); // RGB 102, 0, 102; HSL 300, 0, 20
var SalmonPink = new Color(255, 224, 176); // RGB 255, 224, 176; HSL 36, 2, 85
var ReporterColor = new Color(255, 255, 166); // RGB 255, 255, 166; HSL 60, 2, 83
var Luminosity = 0.85;
var Desaturated = 0.4;
var TriagedDistro = 13;
var NumberOfFrames = 7;
var XMLRPCurl = "https://bugzilla.redhat.com/xmlrpc.cgi";
var bugURL = "https://bugzilla.redhat.com/show_bug.cgi?id=";
var myStorage = jetpack.storage.simple;
var badMIMEArray = ["application/octet-stream","text/x-log","undefined"];

//==============================================================
// TODO https://wiki.mozilla.org/Labs/Jetpack/JEP/24
var manifest = {
  settings: [
    { name: "BZpassword", type: "password", label: "Bugzilla password" },
    { name: "JSONURL", type: "text", label: "Configuration file URL",
        default: "http://mcepl.fedorapeople.org/scripts/BugZappers_data.json" }
  ]
};
jetpack.future.import("storage.settings");
//if (!jetpack.storage.settings.BZpassword) {
//    jetpack.settings.open();
//}

var jsonDataURL = myStorage.JSONURL ? myStorage.JSONURL :
    "http://mcepl.fedorapeople.org/scripts/BugZappers_data.json";
var PCIIDsURL = "http://mcepl.fedorapeople.org/scripts/drm_pciids.json";
var abrtQueryURL = "https://bugzilla.redhat.com/buglist.cgi?"+
    "cmdtype=dorem&remaction=run&namedcmd=all%20NEW%20abrt%20crashes&sharer_id=74116";

var reqCounter = 0;
var msgStrs = {};

var CommentRe = new RegExp("^\\s*#");
var BlankLineRe = new RegExp("^\\s*$");
var ChipsetRE = new RegExp("^\\(--\\) ([A-Za-z]+)\\([0-9]?\\): Chipset: (.*)$");
var ATIgetIDRE = new RegExp("^.*\\(ChipID = 0x([0-9a-fA-F]+)\\).*$");
var AbrtRE = new RegExp("^\\s*\\[abrt\\]");
var signalHandlerRE = new RegExp("^\\s*#[0-9]*\\s*<signal handler called>");
var frameNoRE = new RegExp("^\\s*#([0-9]*)\\s");

// For identification of graphics card
var manuChipStrs = [
    ["ATI Radeon", "ATI", "1002"],
    ["ATI Mobility Radeon", "ATI", "1002"],
    ["Intel Corporation", "INTEL", "8086"],
    ["NVIDIA", "NV", "10de"]
];
var backTranslateManufacturerPCIID = [{
        regexp: "ATI Technologies Inc",
        addr: "1002"
    }, {
        regexp: "Intel Corporation",
        addr: "8086"
    }, {
        regexp: "nVidia Corporation",
        addr: "10de"
}];
// Initialize data from remote URL
var XMLHttpRequestDone = false;
var hashBugzillaName = [];
var hashBugzillaWholeURL = [];
var defAssigneeList = [];
var suspiciousComponents = [];

var signatureFedoraString = "";
// TODO we should have an array SpecialFlags instead of multiple Boolean variables
var queryButtonAvailable = false;
var upstreamButtonAvailable = false;
var chipIDsGroupings = [];
var AddrArray = [];
var PCI_ID_Array = [];
var topRow = {};
var bottomRow = {};

// Get JSON configuration data
loadText = function(URL, cb_function,what) {
    if (what === undefined) { // missing optional argument
        what = this;
    }

    var req = new XMLHttpRequest();
    req.open("GET",URL,true);
    req.onreadystatechange = function (aEvt) {
        if (req.readyState == 4) {
            if (req.status == 200) {
                    cb_function.call(what,req.responseText);
            } else {
                throw "Getting " + URL + "failed!" ;
            }
        }
    };
    req.send("");
};

loadJSON = function(URL, cb_function, what) {
    if (what === undefined) { // missing optional argument
        what = this;
    }

    loadText(URL,function (text) {
        var data = JSON.parse(text);
        cb_function.call(what,data);
    }, what);
};


loadJSON(jsonDataURL, function (response) {
    msgStrs = response.strings;
    signatureFedoraString = response.signature;
    suspiciousComponents = response.suspiciousComponents;
    hashBugzillaName = response.bugzillalabelNames;
    hashBugzillaWholeURL = response.bugzillaIDURLs;
    // [{'regexp to match component':'email address of an universal maintainer'}, ...]
    AddrArray = response.CCmaintainer;
    defAssigneeList = response.defaultAssignee;
    queryButtonAvailable = response.queryButton;
    upstreamButtonAvailable = response.upstreamButton;
    upstreamBugzillasArray = response.upstreamBugzillas;
    chipIDsGroupings = response.chipIDsGroupings;
    topRow = response.topRow;
    bottomRow = response.bottomRow;
});

// Get card translation table
loadJSON(PCIIDsURL,
    function (response) {
        PCI_ID_Array = response;
});

//==============================================================

/**
 * select element of the array where regexp in the first element matches second parameter
 *     of this function
 * @param list array with regexps and return values
 * @param chosingMark string by which the element of array is to be matched
 * @return string chosen element
 */
filterByRegexp = function(list, chosingMark) {
    var chosenPair = [];
    if (list.length > 0) {
        chosenPair = list.filter (
                function (pair) {
                    return new RegExp(pair.regexp, "i").test(chosingMark);
                });
    }
    if (chosenPair.length > 0) {
        return chosenPair[0].addr.trim();
    } else {
        return "";
    }
};

/**
 * Converts attributes value of the given list of elements to the
 *  Javascript list.
 *  @param list array of elements
 *  @return array of values
 */
valuesToList = function(list) {
    var outL = [];

    list.forEach(function (e, i, a) {
        if (e.hasAttribute("value")) {
            outL.push(e.getAttribute("value").trim());
        }
    });
    return outL;
};

/**
 * Check whether an item is member of the list. Idea is just to
 * make long if commands slightly more readable.
 *
 * @param mbr string to be searched in the list
 * @param list list
 * @return position of the string in the list, or -1 if none found.
 */
isInList = function(mbr, list) {
    return (list.indexOf(mbr) !== -1);
};

// ============================================================================
// Color management methods
// originally from
// http://www.mjijackson.com/2008/02\
// /rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript

function Color(r,g,b) {
    if (r instanceof Array) {
        this.r = r[0];
        this.g = r[1];
        this.b = r[2];
    } else {
        this.r = r;
        this.g = g;
        this.b = b;
    }
}

Color.prototype.update = function(r,g,b) {
    this.r = r;
    this.g = g;
    this.b = b;
};

Color.prototype.hs = function(nStr) {
    if (Number(nStr) === 0) {
        return "00";
    } else if (nStr.length < 2) {
        return "0" + nStr;
    } else {
        return nStr;
    }
};

Color.prototype.toString = function() {
    var rH = Number(this.r.toFixed()).toString(16);
    var gH = Number(this.g.toFixed()).toString(16);
    var bH = Number(this.b.toFixed()).toString(16);
    return "#"+this.hs(rH)+this.hs(gH)+this.hs(bH);
};

/**
 * Converts an RGB color value to HSL. Conversion formula
 * adapted from http://en.wikipedia.org/wiki/HSL_color_space.
 * Assumes r, g, and b are contained in the set [0, 255] and
 * returns h, s, and l in the set [0, 1].4343
 *
 * @param   Number  r       The red color value
 * @param   Number  g       The green color value
 * @param   Number  b       The blue color value
 * @return  Array           The HSL representation
 */
Color.prototype.hsl = function (){
    var r = this.r / 255;
    var g = this.g / 255;
    var b = this.b / 255;
    var max = Math.max(r, g, b), min = Math.min(r, g, b);
    var h, s, l = (max + min) / 2;

    if(max === min){
        h = s = 0; // achromatic
    }else{
        var d = max - min;
        s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
        switch(max){
            case r: h = (g - b) / d + (g < b ? 6 : 0); break;
            case g: h = (b - r) / d + 2; break;
            case b: h = (r - g) / d + 4; break;
        }
        h /= 6;
    }

    return [h, s, l];
};

/**
 * Converts an HSL color value to RGB. Conversion formula
 * adapted from http://en.wikipedia.org/wiki/HSL_color_space.
 * Assumes h, s, and l are contained in the set [0, 1] and
 * returns r, g, and b in the set [0, 255].
 *
 * @param   Number  h       The hue
 * @param   Number  s       The saturation
 * @param   Number  l       The lightness
 * @return  Array           The RGB representation
 */
Color.prototype.hslToRgb = function (h, s, l){
    function hue2rgb(p, q, t){
        if (t < 0) {
            t += 1;
        }
        if (t > 1) {
            t -= 1;
        }
        if (t < 1/6) {
            return p + (q - p) * 6 * t;
        }
        if (t < 1/2) {
            return q;
        }
        if (t < 2/3) {
            return p + (q - p) * (2/3 - t) * 6;
        }
        return p;
    }

    var r, g, b;

    if(s === 0){
        r = g = b = l; // achromatic
    }else{
        var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
        var p = 2 * l - q;
        r = hue2rgb(p, q, h + 1/3);
        g = hue2rgb(p, q, h);
        b = hue2rgb(p, q, h - 1/3);
    }

    return [r * 255, g * 255, b * 255];
};

/**
 * Converts an RGB color value to HSV. Conversion formula
 * adapted from http://en.wikipedia.org/wiki/HSV_color_space.
 * Assumes r, g, and b are contained in the set [0, 255] and
 * returns h, s, and v in the set [0, 1].
 *
 * @param   Number  r       The red color value
 * @param   Number  g       The green color value
 * @param   Number  b       The blue color value
 * @return  Array           The HSV representation
 */
Color.prototype.hsv = function (){
    var r = this.r/255;
    var g = this.g/255;
    var b = this.b/255;
    var max = Math.max(r, g, b), min = Math.min(r, g, b);
    var h, s, v = max;

    var d = max - min;
    s = max === 0 ? 0 : d / max;

    if(max === min){
        h = 0; // achromatic
    }else{
        switch(max){
            case r: h = (g - b) / d + (g < b ? 6 : 0); break;
            case g: h = (b - r) / d + 2; break;
            case b: h = (r - g) / d + 4; break;
        }
        h /= 6;
    }

    return [h, s, v];
};

/**
 * Converts an HSV color value to RGB. Conversion formula
 * adapted from http://en.wikipedia.org/wiki/HSV_color_space.
 * Assumes h, s, and v are contained in the set [0, 1] and
 * returns r, g, and b in the set [0, 255].
 *
 * @param   Number  h       The hue
 * @param   Number  s       The saturation
 * @param   Number  v       The value
 * @return  Array           The RGB representation
 */
Color.prototype.hsvToRgb = function (h, s, v){
    var r, g, b;

    var i = Math.floor(h * 6);
    var f = h * 6 - i;
    var p = v * (1 - s);
    var q = v * (1 - f * s);
    var t = v * (1 - (1 - f) * s);

    switch(i % 6){
        case 0:
            r = v;
            g = t;
            b = p;
            break;
        case 1:
            r = q;
            g = v;
            b = p;
            break;
        case 2:
            r = p;
            g = v;
            b = t;
            break;
        case 3:
            r = p;
            g = q;
            b = v;
            break;
        case 4:
            r = t;
            g = p;
            b = v;
            break;
        case 5:
            r = v;
            g = p;
            b = q;
            break;
    }

    return [r * 255, g * 255, b * 255];
};

/**
 * Provide
 */
Color.prototype.lightColor = function() {
    var hslArray = this.hsl();
    var h = Number(hslArray[0]);
    var s = Number(hslArray[1]) * Desaturated;
    var l = Luminosity;
    var desA = this.hslToRgb(h, s, l);
    return new Color(desA[0],desA[1],desA[2]);
};


//====================================================================================
// BzPage's methods

/**
 * Check for the presence of a keyword
 *
 * @param str string with the keyword
 * @return Boolean
 */
BzPage.prototype.hasKeyword = function (str) {
     var kwd = this.dok.getElementById('keywords').value.trim();
     return (new RegExp(str).test(kwd));
};

/**
 * Set additional keyword if it isn't there
 *
 * @param str string with the keyword
 * @return none
 */
BzPage.prototype.setKeyword = function (str) {
    // Could be probably rewrote to use this.addTextToTextBox, but
    // it would be too complicated with a little gain.
    var keywordInput = this.dok.getElementById('keywords');
    var kwd = keywordInput.value.trim();
    var strRE = new RegExp(str);
        if (!strRE.test(kwd)) {
            keywordInput.value = kwd ? kwd + ", " + str : str;
        }
};

BzPage.prototype.getOptionValue = function (id) {
    return this.dok.getElementById(id).value;
};

/* Offline supporting functions */
/**
 *
 * @todo FIXME this probably makes a closure and a memory leak
 * name='changeform'
 * investigate https://developer.mozilla.org/en/How_to_Turn_Off_Form_Autocompletion
 *
 *     <form method="post" action="process_bug.cgi" autocomplete="off">
 
 Reading http://www.w3.org/TR/1999/REC-html401-19991224/interact/forms.html#h-17.13
 random notes:
 - 17.13.3 provides all steps necessary
 - enctype != application/x-www-form-urlencoded => SHOULD fails (no further questions needed)
 - http://www.w3.org/MarkUp/html-spec/html-spec_8.html#SEC8.2.1. is nice explanation
   (albeit quite dated)
 - on multiple values http://www.w3.org/TR/1999/REC-html401-19991224/interact/forms.html#h-17.6.1
 - příliš jednoduché http://www.innovation.ch/java/HTTPClient/emulating_forms.html
 - 
 */
BzPage.prototype.serializeForm = function (form) {
    var serialForm = {
        dataOut: "",
        name: form.name,
        method: form.method,
        acceptCharset: form.acceptCharset,
        action: form.action, // TODO shouldn't we get a non-relative URL?
        enctype: form.enctype,
        cookie: this.dok.cookie,
        autocomplete: form.getAttribute("autocomplete"),
        bugNo: this.bugNo
    };

    function genURIElement(sName,sValue) {
        return encodeURIComponent(sName)+"="+
            encodeURIComponent(sValue);
    }

    /**
    * @param o control to be serialized
    * @return String with the serialized control
    */
    function serializeControl(element) {
        var val = element.value;
        console.log("val.toSource() = " + val.toSource());
        /* FIXME what is element with type="select-one" ??? 
        on  HTMLSelectElement we have an attribute 'type' of type DOMString, readonly
            The type of this form control. This is the string "select-multiple"
            when the multiple attribute is true and the string "select-one" when
            false.        
        */
        if ((val == null) || (val == undefined)|| (val == "")) {
            return ;
        } else if (val instanceof Array) {
            return val.map(function (x) {
                return genURIElement(element.name,x.value);
            }).join("&");
        } else if (val instanceof String) {
            return genURIElement(element.name,val);
        } else { // assume HTMLCollection
            return Array.map(val,function (x) {
                return genURIElement(element.name,x.value);
            }).join("&");
        }
    }

    serialForm.dataOut = Array.filter(form.elements,function (el) {
        return !el.disabled && el.name &&
                // FIXME shouldn't I just add && el.value here?
		    (el.checked || /select|textarea/i.test(el.nodeName) ||
			/text|hidden|password|search/i.test(el.type));
    }).map(serializeControl).join("&");
    return serialForm;
};

BzPage.prototype.submitCallback = function(evt) {
    console.log("Submit Callback!");
    if (jetpack.__parent__.navigator.onLine) {
        var serForm = this.serializeForm(jetpack.tabs.focused.
            contentWindow.document.forms.namedItem("changeform"));
        console.log("serForm:\n"+serForm.toSource());
    } else {
        var serForm = this.serializeForm(jetpack.tabs.focused.
            contentWindow.document.forms.namedItem("changeform"));
        myStorage.forms[this.bugNo] = serForm;
        evt.stopPropagation();
        evt.preventDefault();
    }
};

/**
 *
 *
 * Yes, this is correct, this is NOT method of bzPage!
 */
function onlineCallback() {
    function deserializeAndSend(formData) {
        // FIXME notImplemented
        // is it enough to just
        // run XMLHttpRequest? Probably yes, this is just a form
        // and this is just a HTTP request
        // it is probably better to get already processed
        // application/x-www-form-urlencoded
        // see http://htmlhelp.com/reference/html40/forms/form.html for details
        // and also https://developer.mozilla.org/en/AJAX/Getting_Started
        // what's?
        // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference\
        //     /Global_Functions/encodeURI & co.
        // this seems to be also interesting
        // https://developer.mozilla.org/en/Code_snippets/Post_data_to_window
        console.error("Sending bugs not implemented yet!");
        return ""; // FIXME check other HTTP headers to be set

        var bugID = formData.bugNo;
        var req = new XMLHttpRequest();
        req.open("POST",formData.action,true);
        // FIXME co očekávám za odpověď? req.overrideMimeType("text/xml");
        // * Accept-Encoding
        // * Accept-Language
        // * Accept (MIME types)
        req.setRequestHeader("Connection","keep-alive");
        req.setRequestHeader("Keep-Alive",300);
        req.setRequestHeader("Content-Type",formData.enctype);
        req.setRequestHeader("Referer",bugURL+bugID);
        req.setRequestHeader("Accept-Charset",formData.acceptCharset);
        req.setRequestHeader("Cookie",formData.cookie)
        req.onreadystatechange = function (aEvt) {
            if (req.readyState == 4) {
                if (req.status == 200) {
                    console.log("Sent form for bug " + bugID);
                    delete myStorage.forms[bugID];
                } else {
                    console.error("Sending form for bug " + bugID +
                    "failed!");
                }
            }
        };
        req.send(formData.data);
    }

    if (myStorage.forms.length > 0) {
        myStorage.forms.forEach(function (x) {
            deserializeAndSend(x);
        });
    }
}

/* Bugzilla functions.*/

/**
 * Get the current email of the reporter of the bug.
 *
 * @return string
 */
BzPage.prototype.getReporter = function () {
    return this.dok.
        querySelector("#bz_show_bug_column_2 > table .vcard:first-of-type > a").
        textContent;
};

/**
 * Get the current version of the Fedora release ... even if changed
 * meanwhile by bug triager.
 *
 * @return string (integer for released Fedora, float for RHEL, rawhide)
 */
BzPage.prototype.getVersion = function () {
    var verStr = this.getOptionValue("version").toLowerCase();
    var verNo = 0;
    if (/rawhide/.test(verStr)) {
        verNo = 999;
    } else {
        verNo = Number(verStr);
    }
    return verNo;
};

/**
 * Send mouse click to the specified element
 * @param element where to send mouseclick to
 * @return None
 */
BzPage.prototype.clickMouse = function(target) {
    var localEvent = this.dok.createEvent("MouseEvents");
    localEvent.initMouseEvent("click", true, true,
            this.dok.defaultView,
            0, 0, 0, 0, 0, false, false, false, false, 0, null);
    target.dispatchEvent(localEvent);
};

/**
 * Add new keyword among the keywords.
 *
 * @param str string with the new keyword
 * @return none
 *
 * Checks for the existing keywords.
 */
BzPage.prototype.addKeyword = function (str) {
    this.addTextToTextBox("keywords",str);
};

/**
 * Add text to the text box (comment box or status whiteboard)
 *
 * @param id string with the id of the element
 * @param string2BAdded string to be added to the comment box
 *
 * @return none
 */
BzPage.prototype.addTextToTextBox = function(id,string2BAdded) {
    var textBox = this.dok.getElementById(id);
    var separator = ", ";
    if (textBox.tagName.toLowerCase() === "textarea") {
        separator = "\n\n";
    }

    // don't remove the current content of the comment box,
    // just behave accordingly
    if (textBox.value.length > 0) {
        textBox.value = textBox.value + separator;
    }
    textBox.value = textBox.value + string2BAdded;
};

BzPage.prototype.commentsWalker = function (fce) {
    var comments = this.dok.getElementById("comments").
        getElementsByClassName("bz_comment");
    Array.forEach(comments,function (item) { fce (item); },this);
};

/**
 * Set background color of all comments made by reporter in ReporterColor color
 *
 */
BzPage.prototype.checkComments = function () {
    var that = this;
    this.commentsWalker( function (x) {
        var email = x.getElementsByClassName("vcard")[0].
            getElementsByTagName("a")[0].textContent;
        if (new RegExp(that.reporter).test(email)) {
            x.style.backgroundColor = ReporterColor.toString();
        }
    });
};

BzPage.prototype.collectComments = function () {
    var outStr = "";
    this.commentsWalker( function (x) {
        outStr += x.getElementsByTagName("pre")[0].textContent + "\n";
    });
    return outStr.trim();
};

/**
 * Is this bug a RHEL bug?
 *
 * @return Boolean true if it is a RHEL bug
 */
BzPage.prototype.isRHEL = function() {
    return (/Red Hat Enterprise Linux/).test(this.product);
};


BzPage.prototype.isTriaged = function() {
    if (this.version > 11) {
        return this.hasKeyword("Triaged");
    } else {
        return this.dok.getElementById("bug_status").
            value.toUpperCase() !== "NEW";
    }
};

/**
 * Set branding colours to easily distinguish between Fedora and RHEL bugs
 *
 * @param brand string with product of the current bug
 * @param version string with the version of the bug
 * @param its string with the IsueTracker numbers
 * @return none
 *
 */
BzPage.prototype.setBranding = function () {
    var brandColor = {};
    var TriagedColor = {};

    if (this.isRHEL()) {
        if (this.its && (this.its.length > 0)) {
            brandColor = RHITColor;
        } else {
            brandColor = RHColor;
        }
    } else if (new RegExp("Fedora").test(this.product)) {
        if (this.version == 999) {
            brandColor = RawhideColor;
        } else {
            brandColor = FedoraColor;
        }
    }

    // Comment each of the following lines to get only partial branding
    this.dok.getElementsByTagName("body")[0].
        style.background = brandColor.toString() + " none";
    this.dok.getElementById("titles").
        style.background = brandColor.toString() + " none";

    // Remove "Bug" from the title of the bug page, so we have more space with plenty of tabs
    var titleElem = this.dok.getElementsByTagName("title")[0];
    titleElem.textContent = titleElem.textContent.slice(4);
    var bodyTitleParent = this.dok.getElementById("summary_alias_container").parentNode;
    var bodyTitleElem = bodyTitleParent.getElementsByTagName("b")[0];
    bodyTitleElem.textContent = bodyTitleElem.textContent.slice(4);

    // Make background-color of the body of bug salmon pink
    // for security bugs.
     if (this.hasKeyword("Security")) {
          this.dok.getElementById("bugzilla-body").
            style.background = SalmonPink.toString() + ' none';
     }

    // Make it visible whether the bug has been triaged
    if (this.isTriaged()) {
        this.dok.getElementById("bz_field_status").
            style.background = brandColor.lightColor().toString() + " none";
    }

    // we should make visible whether maintCCAddr is in CCList
    if (isInList(this.maintCCAddr, this.CCList)) {
        var ccEditBoxElem = this.dok.getElementById("cc_edit_area_showhide");
        //ccEditBoxElem.textContent = "*"+ccEditBoxElem.textContent;
        ccEditBoxElem.style.color = "navy";
        ccEditBoxElem.style.fontWeight = "bolder";
        ccEditBoxElem.style.textDecoration = "underline";
    }

    // mark suspicious components
    var compElems;
    if (suspiciousComponents && isInList(this.component,suspiciousComponents)
        && (compElems =
            this.dok.getElementById("bz_component_edit_container"))) {
            compElems.style.background = "red none";
    }
};

/**
 */
BzPage.prototype.groupIDs = function (manStr,cardStrID) {
    var outStr = filterByRegexp(chipIDsGroupings,manStr+","+cardStrID);
    if (outStr.length === 0) {
        outStr = "UNGROUPED_" + manStr+"/"+cardStrID;
    }
    return outStr;
};

/**
 * Given PCI IDs for manufacturer and card ID return chipset string
 *
 * @param manufacturerNo string with manufacturer PCI ID
 * @param cardNo         string with card PCI ID
 *
 * @return array with chip string and optinoal variants
 */
BzPage.prototype.checkChipStringFromID = function (manufacturerNo,cardNo) {
    var soughtID = (manufacturerNo+","+cardNo).toUpperCase();
    var outList = PCI_ID_Array[soughtID];
    if (outList) {
        return outList;
    } else {
        return "";
    }
};

/**
 * Given line to be parsed, find out which chipset it is and fill in the whiteboard
 *
 * @param iLine string with the whole unparsed "interesting line"
 * @param driverStr string with the driver name
 * @return None
 */
BzPage.prototype.fillInWhiteBoard = function (iLine, driverStr) {
    var outStr = "";
    var cardIDStr = "";
    var cardIDArr = [];

    chipSwitchboard:
    if (driverStr === "RADEON") {
        var cardID = iLine.replace(ATIgetIDRE,"$1");
        cardIDArr = this.checkChipStringFromID("1002",cardID);
        if (cardIDArr.length > 0) {
            cardIDStr = cardIDArr[0];
            if (cardIDArr[1]) {
                optionStr = cardIDArr[1];
                outStr = this.groupIDs(driverStr,cardIDStr)+"/" + optionStr;
            } else {
                outStr = this.groupIDs(driverStr,cardIDStr);
                optionStr = "";
            }
        } else {
            outStr = "**** FULLSTRING: " + iLine;
        }
    } else {
    // Intel Corporation, NVIDIA
        cardIDArr = manuChipStrs.filter(function (el, ind, arr) {
            return new RegExp(el[0],"i").test(iLine);
        });
        if (cardIDArr && (cardIDArr.length > 0)) {
            cardIDArr = cardIDArr[0];
        } else {
            outStr = iLine;
            break chipSwitchboard;
        }
        // cardIDArr [0] = RE, [1] = ("RADEON","INTEL","NOUVEAU"), [2] = manu PCIID
        iLine = iLine.replace(new RegExp(cardIDArr[0],"i")).trim();
        // nVidia developers opted-out from grouping
        if (driverStr === "INTEL") {
            outStr = this.groupIDs(cardIDArr[1],iLine);
        } else {
            outStr = iLine;
        }
    }
    this.addTextToTextBox("status_whiteboard",("card_"+outStr).trim());
    this.dok.getElementById("chipmagic").style.display = "none";
};

/**
 * Generic function to add new button to the page.
 * Actually copies new button from the old one (in order to have the same
 * look-and-feel, etc.
 * @param originalLocation object after which the new button will be added
 * @param newId string with the id of the new button; has to be unique in
                    whole page
 * @param newLabel string with the label which will be shown to user
 * @param commentString string with comment to be added to the comment box
 * @param nState string with the new state bug should switch to (see
 *                     generalPurposeCureForAllDisease function for details)
 * @param secPar string with second parameter for generalPurposeForAllDisease
 * @param doSubmit bool optional whether the button should submit whole page
 *                 (default true)
 *
 * @return none
 */
BzPage.prototype.addNewButton = function (originalLocation,newId,newLabel,
        commentString,nState,secPar,doSubmit,after) {
    var that = this;
    var commStr = "";
    if (doSubmit === undefined) { // missing optional argument
        doSubmit = false;
    }
    if (after === undefined) { // missing optional argument
        after = false;
    }
    if (msgStrs[commentString]) {
        commStr = msgStrs[commentString];
    }
    var newButton = this.dok.createElement("input");
    newButton.setAttribute("id",newId);
    if (doSubmit) {
        newButton.setAttribute("type","submit");
    } else {
        newButton.setAttribute("type","button");
    }
    newButton.value = newLabel;
    newButton.addEventListener("click",function (evt) {
        that.generalPurposeCureForAllDisease(commStr,nState, secPar);
    }, false);

    if (after) {
        originalLocation.parentNode.insertBefore(newButton,
            originalLocation.nextSibling);
        originalLocation.parentNode.
            insertBefore(this.dok.createTextNode("\u00A0"),newButton);
    } else {
        originalLocation.parentNode.insertBefore(newButton,
            originalLocation);
        originalLocation.parentNode.
            insertBefore(this.dok.createTextNode("\u00A0"),originalLocation);
    }
};

/**
 * Get attached Xorg.0.log, parse it and find the value of chip.
 * Does not fill the whiteboard itself, just adds button to do so,paramList
 * so that slow XMLHttpRequest is done in advance.
 *
 * @return None
 */
BzPage.prototype.fillInChipMagic = function () {
    var XorgLogURL = "";
    var XorgLogAttID = "";
    var XorgLogFound = false;
    var attURL = "", interestingLine = "";
    var interestingArray = [];


    // Find out Xorg.0.log attachment URL
    this.XorgLogAttList = this.attachments.filter(function (value, index, array) {
        // Xorg.0.log must be text, otherwise we cannot parse it
        return (/[xX].*log/.test(value[0]) && /text/.test(value[2]));
    });
    if (this.XorgLogAttList.length === 0) {
        console.log("No Xorg.0.log attachments found.");
        return;
    }

    XorgLogAttID = this.XorgLogAttList[this.XorgLogAttListIndex][1];
    attURL = "https://bugzilla.redhat.com/attachment.cgi?id="+XorgLogAttID;
    that = this;

    var req = new XMLHttpRequest();
    req.open("GET",attURL,true);
    req.onreadystatechange = function (aEvt) {
        if (req.readyState == 4) {
            if (req.status == 200) {
                var ret = req.responseText;
                var interestingLineArr = ret.split("\n").
                    filter(function (v,i,a) {
                        return ChipsetRE.test(v);
                });
                if (interestingLineArr.length >0) {
                    interestingArray = ChipsetRE.exec(interestingLineArr[0]);
                    interestingLine = interestingArray[2].
                        replace(/[\s"]+/g," ").trim();
                    var whiteboardInput = that.dok.
                        getElementById("status_whiteboard");
                    that.addNewButton(whiteboardInput,"chipmagic","Fill In",
                        "","CHIPMAGIC",
                        interestingLine+"\t"+interestingArray[1].toUpperCase(),
                        false,true);
                }
            } else {
                throw "Getting attachment " + attURL + "failed!";
            }
        }
    };
    req.send("");

    this.XorgLogAttListIndex++;
};

/**
 * Opens a new tab with a query for the given text in the selected component
 * @param text to be searched for
 * @param component string with the component name (maybe latter regexp?)
 * @param product (optional) string with the product name
 * @return None
 *
 */
BzPage.prototype.queryInNewTab = function(text,component,product) {
    // Optional parameter
    if (product === undefined) {
        product = this.product;
    }
    var url = "https://bugzilla.redhat.com/buglist.cgi?query_format=advanced";
    if (product) {
        url += "&product="+product.trim();
    }
    if (component) {
        url += "&field0-0-0=component&type0-0-0=substring&value0-0-0="+component.trim();
    }
    // using more complicated query tables here, because they can be more easily edited
    // for further investigative searches
    if (text) {
        text = encodeURIComponent(text.trim());
        var searchText = "&field1-0-0=longdesc&type1-0-0=substring&value1-0-0="+text+
        "&field1-0-1=attach_data.thedata&type1-0-1=substring&value1-0-1="+text+
        "&field1-0-2=status_whiteboard&type1-0-2=substring&value1-0-2="+text;
        url += searchText;
        jetpack.tabs.open(url);
        // Don't do it ... b.m.o is apparently not powerful enough to sustain the weight
        // of the search
        if (false) {
            url = "https://bugzilla.mozilla.org/buglist.cgi?query_format=advanced"+
            "field0-0-0=product;type0-0-0=regexp;"+
            "value0-0-0=thunderbird|firefox|xulrunner" + searchText.replace("&",";");
            jetpack.tabs.open(url);
        }
    }
};

/**
 * Get the text to search for and prepare other things for the real executive
 * function this.queryInNewTab, and run it.
 */
BzPage.prototype.queryForSelection = function() {
    var text = jetpack.selection.text;
    if (!text) {
        text = jetpack.clipboard.get();
    }
    if (text) {
        this.queryInNewTab(text, this.component);
    }
};

/**
 *
 */
BzPage.prototype.sendBugUpstream = function() {
    var url = filterByRegexp(upstreamBugzillasArray,
        this.getOptionValue("component"));

    var text = this.dok.getElementById("short_desc_nonedit_display").
        textContent.trim() + "\n\n";
    text += this.collectComments();
    jetpack.clipboard.set(text);
    var ret = jetpack.tabs.open(url);
    console.log("opening new tab returned");
    console.log(ret);
};

/**
 * Parse the row with the attachment
 *
 * @param <tr> DOM element to be parsed
 * @return array with string name of the attachment,
                     integer its id number,
                     string of MIME type,
                     integer of size in kilobytes,
                     and the whole element itself
 */
BzPage.prototype.parseAttachmentLine = function (inElem) {
    var MIMEtype = "";
    var size = 0;

    // Skip over obsolete attachments
    if (inElem.getElementsByClassName("bz_obsolete").length>0) {
        return([]);
    }

    // getting name of the attachment
    var attName = inElem.getElementsByTagName("b")[0].textContent.trim();

    // getting id
    // $("a:contains('Details')", inElem);
    // FIXME isn't there more simple way to replace above? querySelector?
    var aHrefsArr = inElem.getElementsByTagName("a");
    var aHref = Array.filter(aHrefsArr,function (x) {
        return x.textContent.trim() == "Details";
    })[0];
    var id = parseInt(aHref.getAttribute("href").
        replace(/^.*attachment.cgi\?id=/, ""),10);

    //getting MIME type and size
    var stringArray = inElem.getElementsByClassName("bz_attach_extra_info")[0].
        textContent.replace(/[\n ()]+/g," ").trim().split(", ");
    size = parseInt(stringArray[0],10);
    MIMEtype = stringArray[1].split(" ")[0];

    return [attName,id,MIMEtype,size,inElem];
};

/**
 * Select option with given label on the <SELECT> element with given id.
 *
 * Also execute change HTMLEvent, so that the form behaves accordingly.
 *
 * @param id
 * @param label
 * @return none
 */
BzPage.prototype.selectOption = function(id,label) {
    var sel = this.dok.getElementById(id);
    var options = Array.filter(sel.getElementsByTagName("option"),
        function (x){ return x.textContent.trim() == label; }
    );
    theOption = options.length ? options[0] : [];
    if (theOption) {
        theOption.selected = true;
        var intEvent = this.dok.createEvent("HTMLEvents");
        intEvent.initEvent("change", true, true);
        theOption.dispatchEvent(intEvent);
    }
};

/**
 * Check for the presence of a keyword
 *
 * @param str string with the keyword
 * @return Boolean
 *
 */
BzPage.prototype.hasKeyword = function(str) {
     var kwd = this.dok.getElementById('keywords').value.trim();
     return (new RegExp(str).test(kwd));
};

/**
 * Add accesskey to the particular element
 *
 * @param rootElement element to which the new text object will be attached
 * @param beforeText text before the accesskey character
 * @param accKey what will be the accesskey itself
 * @param afterText text after the accesskey character
 * @return modified element with the fixed accesskey
 * FIXME isn't this closure and possible memleak?
*/
BzPage.prototype.fixElement = function (elem,beforeText,accKey,afterText) {
    elem.setAttribute("accesskey",accKey.toLowerCase());
    elem.innerHTML = beforeText + "<b><u>" + accKey + "</u></b>" + afterText;
    return elem;
};

/**
 * Add XGL  to the CC list
 *
 * @param evt event which made this function active
 * @return none
 */
BzPage.prototype.changeOwner = function(newAssignee) {
    /** Take care that when changing assignment of the bug,
     * current owner is added to CC list.
     * Switch off setting to the default assignee
     */
    if (!isInList(newAssignee, this.CCList)) {
        this.dok.getElementById("newcc").textContent = newAssignee;
    }
    if (newAssignee) {
        this.clickMouse(this.dok.getElementById("bz_assignee_edit_action"));
        this.dok.getElementById("set_default_assignee").removeAttribute("checked");
        this.dok.getElementById("assigned_to").value = newAssignee;
        this.dok.getElementById("setdefaultassigneebutton").style.display = "none";
    }
};

/**
 * Set the bug to NEEDINFO state
 *
 * Working function.
 * @return none
 */
BzPage.prototype.setNeedinfoReporter = function() {
    this.clickMouse(this.dok.getElementById("needinfo"));
    this.selectOption("needinfo_role", "reporter");
};

/**
 * Return string with the ID for the external_id SELECT for
 * external bugzilla
 *
 * @param URLhostname string hostname of the external bugzilla
 * @return string with the string for the external_id SELECT
 */
BzPage.prototype.getBugzillaName = function(URLhostname) {
    var bugzillaID = "";
    if (hashBugzillaName[URLhostname]) {
        bugzillaID = hashBugzillaName[URLhostname];
    } else {
        bugzillaID = "";
    }
    return bugzillaID;
};

/**
 * Generate URL of the bug on remote bugzilla
 * @param selectValue Number which is index of the bugzilla in hashBugzillaWholeURL
 * @param bugID Number which is bug ID
 * @return string with the URL
 */
BzPage.prototype.getWholeURL = function(selectValue,bugID) {
    var returnURL = "";
    if (hashBugzillaWholeURL[selectValue]) {
        returnURL = hashBugzillaWholeURL[selectValue]+bugID;
    } else {
        returnURL = "";
    }
    return returnURL;
};

/**
 * Callback function for the XMLRPC request
 *
 * @param ret object with xmlhttprequest response
 *                with attributes:
 *                + status -- int return code
 *                + statusText
 *                + responseHeaders
 *                + responseText
 */
BzPage.prototype.callBack = function(data,textStatus) {
    if (--this.reqCounter <= 0) {
        setTimeout(this.dok.location.reload,1000);
    }
};

/**
 * Create XML-RPC message for updateAttachMimeType procedure with given parameters.
 * Yes, I know this is very ugly, but in the current state of jetpack it is not possible
 * to import external jQuery modules, so I cannot use jquery.rpc as much as I would like to.
 *
 * @param login string with login
 * @param password string with password
 * @param attachID Number with the attachment ID#
 * @param mimeType stri ng with MIME type, optional and defaults to text/plain
 * @param email Boolean whether we should send email or not
 * @return string with the XML-RPC message

updateAttachMimeType($data_ref, $username, $password)

Update the attachment mime type of an attachment. The first argument is a data hash containing information on the new MIME type and the attachment id that you want to act on.

        $data_ref = {
            "attach_id" => "<Attachment ID>",
          # Attachment ID to perform MIME type change on.
            "mime_type"  => "<New MIME Type Value>",
          # Legal MIME type value that you want to change the attachment to.
            "nomail" => 0,
          # OPTIONAL Flag that is either 1 or 0 if you want email to be sent or not for this change
        };
 */
BzPage.prototype.createXMLRPCMessage = function(login,password,attachId,mimeType,email) {
    if (mimeType === undefined) {
        mimeType = "text/plain";
    }
    if (email === undefined) {
        email = false;
    }
    var emailStr = email ? "0" : "1";

    var msg = <methodCall>
    <methodName>bugzilla.updateAttachMimeType</methodName>
        <params>
            <param>
                <value><struct>
                    <member>
                        <name>attach_id</name>
                        <value><i4>{attachId}</i4></value>
                    </member>
                    <member>
                        <name>mime_type</name>
                        <value><string>{mimeType}</string></value>
                    </member>
                    <member>
                        <name>nomail</name>
                        <value><boolean>{emailStr}</boolean></value>
                    </member>
                </struct></value>
            </param>
            <param>
                <value><string>{login}</string></value>
            </param>
            <param>
                <value><string>{password}</string></value>
            </param>
        </params>
    </methodCall>;
    return msg.toXMLString();
};

/**
 * The worker function -- call XMLRPC to fix MIME type of the
 * particular attachment
 *
 * @param id integer with the attachment id to be fixed
 * @param type string with the new MIME type, e.g. "text/plain"
 */
BzPage.prototype.fixAttachById = function(id,type) {
    var msg = this.createXMLRPCMessage(this.login,this.password,id,type);
    var req = new XMLHttpRequest();
    req.open("POST",XMLRPCurl,true);
    req.overrideMimeType("text/xml");
    req.setRequestHeader("Content-type","text/xml");
    req.onreadystatechange = function (aEvt) {
        if (req.readyState == 4) {
            if (req.status == 200) {
                console.log("Fixing attachment MIME type success!");
                that.callBack();
            } else {
                console.error("Fixing MIME type attachment failed!");
            }
        }
    };
    req.send(msg);
    this.reqCounter++;
};

BzPage.prototype.fixAllAttachments = function(list) {
    var tmpElem = {};

    for(var i=0;i<list.length;i++) {
        tmpElem = list[i];
        this.fixAttachById(tmpElem[1]);
    }
};

/**
 * Create a button for fixing all bad attachments.
 *
 * @param list Array of all bad attachmentss
 * @return button fixing all bad Attachments
 */
BzPage.prototype.createFixAllButton = function (list) {
    var that  = this;
    var elem = this.dok.createElement("a");
    elem.setAttribute("href","");
    elem.setAttribute("accesskey","f");
    elem.innerHTML = "<b>F</b>ix all";
    elem.addEventListener("click", function() {
        that.fixAllAttachments(list);
    }, false);
    return elem;
};

/**
 * Add a link to the bad attachment for fixing it.
 *
 * @param <TR> DOM jQuery element with a bad attachment
 * @return none
 */
BzPage.prototype.addTextLink = function (row) {
    var that = this;
    console.log("row = " + row[4]);
    var elemS = row[4].getElementsByTagName("td");
    var elem = elemS[elemS.length-1];
    elem.innerHTML = "<br/><a href=''>Text</a>";
    elem.addEventListener("click",function (x) {
        that.fixAttachById(row[1],"text/plain");
    }, false);
};

/**
 * Add information about the upstream bug upstream, and closing it.
 * @param evt event which called this handler
 *
 * @return none
 */
BzPage.prototype.addClosingUpstream = function() {
    var refs = this.dok.getElementById("external_bugs_table").
        getElementsByTagName("tr");
    // that's a bad id, if there is a one. :)
    var inputBox = this.dok.getElementById("inputbox");
    var externalBugID = 0;
    var wholeURL = "";

    // Fix missing ID on the external_id SELECT
    this.dok.getElementsByName("external_id")[0].setAttribute("id","external_id");

    if (inputBox.value.match(/^http.*/)) {
        var helpAElem = this.dok.createElement("a");
        wholeURL = inputBox.value;
        helpAElem.setAttribute("href",wholeURL);
        var paramsArr = helpAElem.search.replace(/^\?/,'').split('&');
        // get ID#
        var params = {}, s = [];
        paramsArr.forEach(function (par,idx,arr) {
            s = par.split('=');
            params[s[0]] = s[1];
        });
        if (params.id) {
            externalBugID = parseInt(params.id,10);
            inputBox.value = externalBugID;
        }
        // get host and bugzillaName
        var bugzillaName = this.getBugzillaName(helpAElem.hostname);
        this.selectOption("external_id", bugzillaName);
    } else if (!isNaN(inputBox.value)) {
        externalBugID = parseInt(inputBox.value,10);
        var bugzillaID = this.dok.getElementById("external_id").value;
        wholeURL = this.getWholeURL(bugzillaID,externalBugID);
    } else {
        // no inputBox.value -- maybe there is an external bug from
        // the previous commit?
    }

    // It is not good to close bug as UPSTREAM, if there is no reference
    // to the upstream bug.
    if ((externalBugID > 0) || (refs.length > 2)) {
        this.addTextToTextBox("comment",
            msgStrs.sentUpstreamString.replace("§§§",wholeURL));
        this.selectOption("bug_status", "CLOSED");
        this.selectOption("resolution", "UPSTREAM");
    } else {
        console.log("No external bug specified among the External References!");
    }
};

/** Insert a row of buttons before the marked element
 *
 * @param anchor element before which the row of buttons will be inserted
 * @param array  array of data for buttons to be generated
 * @return none
 */
BzPage.prototype.generateToolBar = function(anchor,array) {
    for (var i=0; i<array.length; i++) {
        var butt = array[i];
        this.addNewButton(anchor, butt.idx,
                butt.msg, butt.string, butt.state, butt.parameter,
                butt.submit);
    }
};

/**
 * Generalized function for all actions
 *
 * @param addString string to be added as new comment
 * @param nextState  string signifying next state of the bug
 *        (whatever is in Bugzilla + "NEEDINFO" meaning
 *        NEEDINFO(Reporter))
 * @param secondParameter    string with label on the subbutton
 *        for reason of closing the bug
 * @return none
 */
BzPage.prototype.generalPurposeCureForAllDisease = function
    (addString,nextState,secondParameter) {
    var verNo = this.getVersion();

        if (addString.length >0) {
            this.addTextToTextBox("comment",addString);
        }

        if (nextState === "CLOSED") {
            if (secondParameter === "UPSTREAM") {
                this.addClosingUpstream();
            } else if (secondParameter === "SOMERELEASE") {
                // for RAWHIDE close as RAWHIDE,
                // if active selection -> CURRENTRELEASE
                //     and put the release version to
                //     "Fixed in Version" textbox
                // otherwise -> NEXTRELEASE
                this.selectOption("bug_status", nextState);
                var text = "";
                if (jetpack.selection.text) {
                    text = jetpack.select.text.trim();
                }
                if (text.length > 0) {
                    this.selectOption("resolution","CURRENTRELEASE");
                    this.dok.getElementById("cf_fixed_in").value = text;
                } else if (verNo === 999) {
                    this.selectOption("resolution","RAWHIDE");
                } else {
                    this.selectOption("resolution","NEXTRELEASE");
                }
            } else if (secondParameter.length > 0) {
                this.selectOption("bug_status", nextState);
                this.selectOption("resolution",secondParameter);
                return 0;
            } else {
                throw "Missing resolution for CLOSED status.";
            }
        }

         // Now closing bugs is done, what about the rest?
         if (nextState === "NEEDINFO") {
             this.setNeedinfoReporter();
         } else if (nextState === "ADDKEYWORD") {
             if (secondParameter.length === 0) {
                 throw "Keyword has to be defined";
             }
             this.addKeyword(secondParameter);
         } else if (nextState === "ASSIGNED") {
            // Now we lie completely, we just set keyword Triaged,
            // this is not just plain ASSIGNED, but
            // modified according to
            // https://fedoraproject.org/wiki/BugZappers/Meetings/Minutes-2009-Oct-27
            // and
            // http://meetbot.fedoraproject.org/fedora-meeting/2009-11-24\
            //    /fedora-meeting.2009-11-24-15.11.log.html
            // and
            // http://meetbot.fedoraproject.org/fedora-meeting/2009-11-24\
            //    /fedora-meeting.2009-11-24-15.11.log.html
            // for F13 and later, ASSIGNED is "add Triaged keyword" (as well)
            // for <F13 it is "add both" (ASSIGNED status and Triaged keyword)
            if (!isInList(this.maintCCAddr, this.CCList)) {
                this.dok.getElementById("newcc").textContent = this.maintCCAddr;
            }
            if ((!this.isRHEL()) && (verNo < TriagedDistro)) {
                 this.selectOption("bug_status", nextState);
            }
            this.setKeyword("Triaged");
         } else if (nextState === "QUERYSEL") {
             this.queryForSelection();
         } else if (nextState === "SENDUPSTREAM") {
             this.sendBugUpstream();
         } else if (nextState === "SETDEFASS") {
            if (secondParameter.length > 0) {
                this.changeOwner(secondParameter);
            }
         } else if (nextState === "CHIPMAGIC") {
             var splitArr = secondParameter.split("\t");
            this.fillInWhiteBoard(splitArr[0],splitArr[1]);
         } else if (nextState.length >0) {
             this.selectOption("bug_status", nextState);
         }

         if (secondParameter === "ADDSELFCC") {
             this.dok.getElementById("addselfcc").checked = true;
         } else if (secondParameter === "NODEFAULTASSIGNEE") {
            this.dok.getElementById("set_default_assignee").
                removeAttribute("checked");
         }
};

/**
 *
 */
BzPage.prototype.parseBacktrace = function (ret) {
    var splitArray = ret.split("\n");
    var i = 0, ii = splitArray.length;
    var outStr = "", curLine = "", numStr = "";
    var lineCounter = 0, endLineNo = 0;

    while ( i < ii ) {
        if (signalHandlerRE.test(splitArray[i])) {
            break;
        }
        i++;
    }

    if (i < ii) {
        lineCounter = parseInt(frameNoRE.exec(splitArray[i])[1],10);
        endLineNo = lineCounter + NumberOfFrames;
        curLine = splitArray[i];
        while ((lineCounter < endLineNo) &&
                (curLine.trim().length >0) && (i < ii)) {
            outStr += curLine + '\n';
            numStr = frameNoRE.exec(curLine);
            if (numStr) {
                lineCounter = parseInt(numStr[1],10);
            }
            i++;
            curLine = splitArray[i];
        }
    }
    return outStr;
}

/**
 * Main executable functioning actually building all buttons on the page --
 * separated into function, so that
 * it could be called from onload method of the XMLHttpRequest.
 *
 * @param jsonList Array created from JSON
 * @return none
 */
BzPage.prototype.buildButtons = function (above,below) {
    //Generate a list of <input> elements in the page
    this.addNewButton(this.dok.getElementById("commit_middle"),
        "changeOwnerbtn","reASSIGN","","ASSIGNED","NODEFAULTASSIGNEE");

    // THE MAIN BUTTON ROWS
    var commentBox = this.dok.getElementById("comment");
    var brElement = this.dok.createElement("br");
    commentBox.parentNode.normalize();
    commentBox.parentNode.insertBefore(brElement,commentBox);
//    this.generateToolBar(commentBox.previousSibling,above);
    this.generateToolBar(brElement,above);
    this.generateToolBar(this.originalButton,below);

    var commentArea = this.dok.getElementById("comment_status_commit");
    var brElementPlacer = commentArea.getElementsByTagName("br")[0];

    if (queryButtonAvailable || upstreamButtonAvailable) {
        brElementPlacer.parentNode.insertBefore(this.dok.createElement("br"),
            brElementPlacer);
    }
    
    if (queryButtonAvailable) {
        // Add query search button
        this.addNewButton(brElementPlacer,"newqueryintab",
            "Query for string","","QUERYSEL","", false);
    }
    // Button for upstreaming
    if (upstreamButtonAvailable) {
        this.addNewButton(brElementPlacer,"sendupstream",
            "Send upstream","","SENDUPSTREAM","", false);
    }
    
//    var brElement2BMoved = this.dok.querySelector("#comment_status_commit br:last-of-type");
//    var brWhereMove = this.dok.getElementsByClassName("status")[0];
//    brWhereMove.parentNode.insertBefore(brElement2BMoved.cloneNode(true),
//        brWhereMove);
//    brElement2BMoved.parentNode.removeChild(brElement2BMoved);
    
    // TODO Get compiz bugs as well
    if ((chipIDsGroupings.length >0) &&
            this.maintCCAddr === "xgl-maint@redhat.com") {
        // Add find chip magic button
        var whiteboard_string = this.dok.getElementById("status_whiteboard").value;
        if (!/card_/.test(whiteboard_string)) {
            this.fillInChipMagic();
        }
    }

    // Add setting default assignee
    if ((this.defaultAssignee.length > 0) &&
            (this.defaultAssignee !== this.owner)) {
        this.addNewButton(this.dok.getElementById("bz_assignee_edit_container"),
            "setdefaultassigneebutton","Def. Assignee",
            "","SETDEFASS",this.defaultAssignee,false,true);
    }
};

///////////////////////////////////////////////////////////////////////////////
function BzPage(doc) {
    this.dok = doc;
    var that = this;
    this.originalButton = this.dok.getElementById("commit");

    console.log(this.dok.querySelector("#header ul.links li:last-of-type"));
    var loginArr = this.dok.
        querySelector("#header ul.links li:last-of-type").
        textContent.split("\n");
    this.login = loginArr[loginArr.length-1].trim();

    // the following is quite awful brutal hack
    console.log("on __parent__ navigator.online = " +
        jetpack.__parent__.navigator.onLine);
    if (myStorage.BZpassword) {
        this.password = myStorage.BZpassword;
     } else {
        var prompts = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
                    .getService(Components.interfaces.nsIPromptService);
        var password = {value: ""}; // default the password to pass
        var check = {value: true};                   // default the checkbox to true
        var result = prompts.promptPassword(null,
            "Title", "Enter password:", password, null, check);
        // result is true if OK was pressed, false if cancel was pressed. password.value is
        // set if OK was pressed. The checkbox is not displayed.
        if (result) {
            this.password = password.value;
            myStorage.BZpassword = this.password;
            jetpack.storage.simple.sync();
        }
     }

    var bugNoTitle = this.dok.querySelector("#title > p").textContent.trim();
    this.bugNo = new RegExp("[0-9]+").exec(bugNoTitle)[0];

    this.reporter = this.getReporter();
    this.product   = this.getOptionValue("product");
    this.component = this.getOptionValue("component");
    this.version   = this.getVersion();
    var ITbutton = this.dok.getElementById("cf_issuetracker");
    this.its = ITbutton ? ITbutton.value.trim() : "";
    this.CCList = Array.map(this.dok.getElementById("cc"),
            function (item) { return item.value; }
    );
    // TODO be careful about this, seems breaking for non-RH BugZappers,
    // but I cannot see why
    this.owner     = this.dok.getElementById("bz_assignee_edit_container").
        getElementsByClassName("fn")[0].textContent;
    this.defaultAssignee = filterByRegexp(defAssigneeList,
        this.component).toLowerCase();
    this.maintCCAddr = filterByRegexp(AddrArray,this.component).toLowerCase();

    this.XorgLogAttList = [];
    this.XorgLogAttListIndex = 0;
    this.attachments = [];
    this.reqCounter=0;
    var atts = this.dok.getElementById("attachment_table").
        getElementsByTagName("tr");
    for (var i = 1, ii = atts.length-1; i < ii; i++) {
        this.attachments.push(this.parseAttachmentLine(atts[i]));
    }

    var badAttachments = this.attachments.filter(function (att,idx,arr) {
        return (isInList(att[2],badMIMEArray));
    });

    if (badAttachments.length > 0) {
        var titleElement = this.dok.
            getElementsByClassName("bz_alias_short_desc_container")[0];
        titleElement.style.backgroundColor = "olive";
        titleElement.appendChild(this.createFixAllButton(badAttachments));
        badAttachments.forEach(function (x,i,a) {
            this.addTextLink(x);
        },this);
    }

    // Dig out backtrace
    this.btSnippet = "";

    var bugTitle = this.dok.getElementById("short_desc_nonedit_display").
        textContent;
    if (AbrtRE.test(bugTitle)) {

        var notedLabel = this.dok.querySelector("label[for='newcc']");
        while (notedLabel.firstChild) {
            var node = notedLabel.removeChild(notedLabel.firstChild);
            notedLabel.parentNode.insertBefore(node,notedLabel);
        }
        notedLabel.parentNode.removeChild(notedLabel);

        var mainTitle = this.dok.
            getElementsByClassName("bz_alias_short_desc_container")[0];
        var abrtButton = this.dok.createElement("a");
        abrtButton.setAttribute("accesskey","a");
        abrtButton.setAttribute("href",abrtQueryURL);
        abrtButton.textContent = "Abrt bugs";
        mainTitle.appendChild(abrtButton);
        var develWhiteboardElem = this.dok.getElementById("cf_devel_whiteboard");
        var develWhiteboard = develWhiteboardElem ? develWhiteboardElem.
            value : "btparsed";

        if (!(this.hasKeyword("Triaged") || (/btparsed/.test(develWhiteboard)))) {
            var btAttachments = this.attachments.filter(function (att,idx,arr) {
                return (/backtrace/.test(att[0]));
            });
            // TODO we need to go through all backtrace attachments, but
            // just the first one will do for now, we would need to do async parsing
            btAttachments.forEach(function (x) {
                attURL = "https://bugzilla.redhat.com/attachment.cgi?id=" + x[1];
                console.log("attURL = " + attURL);
                console.log("btSnippet = " + this.btSnippet);
                if (!this.btSnippet) {
                    var btRaw = loadText(attURL,function (ret) {
                        this.btSnippet = this.parseBacktrace(ret);
                        if (this.btSnippet) {
                            this.addTextToTextBox("comment",this.btSnippet);
                            this.addTextToTextBox("cf_devel_whiteboard","btparsed");
                        }
                    },this);
                }
            },this);
        }
    }

    // Take care of signature for Fedora bugzappers
    if (signatureFedoraString.length > 0) {
        this.dok.forms.namedItem("changeform").addEventListener("submit",
            function () {
                that.addTextToTextBox("comment", signatureFedoraString);
            }
        , false);
    }

    this.setBranding();
    this.checkComments();
    this.buildButtons(topRow,bottomRow);

    // UI for the customization JSON URL
    var additionalButtons = this.dok.getElementById("bugzilla-body").
        getElementsByClassName("related_actions")[0];
    var customJSONURLUI = this.dok.createElement("li");
    customJSONURLUI.innerHTML = "\u00A0-\u00A0<a href='#' id='customJSONbutton'>" +
        "BugZap config</a>";
    additionalButtons.appendChild(customJSONURLUI);
    this.dok.getElementById("customJSONbutton").
        addEventListener("click",function () {
            var newURL = jetpack.tabs.focused.contentWindow.
                prompt("URL for your JSON customization file");
            if (newURL) {
                myStorage.JSONURL = newURL;
                jetpack.storage.simple.sync();
                jetpack.tabs.focused.contentWindow.location.reload();
            }
        }, false);

    // set default assignee on change of the component
    this.dok.getElementById("component").addEventListener("change",
        function (){
            that.component = that.getOptionValue("component");
            that.changeOwner(filterByRegexp(defAssigneeList, that.component).
                toLowerCase());
    }, false);
    
    // offline-capable submit
    this.dok.forms.namedItem("changeform").
        addEventListener('submit', function (evt) {
            that.submitCallback.call(that, evt)},
        false);
}

var callback = function (doc) {
    var curPage = new BzPage(doc);
};

var options = {};
options.matches = [
     "https://bugzilla.redhat.com/show_bug.cgi"
];
jetpack.pageMods.add(callback, options);