// bugzilla.js by Atul
var Bugzilla = {
  BASE_URL: "https://api-dev.bugzilla.mozilla.org/latest",
  BASE_UI_URL: "https://bugzilla.mozilla.org",
  DEFAULT_OPTIONS: {
    method: "GET"
  },
  getShowBugURL: function Bugzilla_getShowBugURL(id) {
    return this.BASE_UI_URL + "/show_bug.cgi?id=" + id;
  },
  queryString: function Bugzilla_queryString(data) {
    var parts = [];
    for (name in data) {
      var values = data[name];
      if (!values.forEach)
        values = [values];
      values.forEach(
        function(value) {
          parts.push(encodeURIComponent(name) + "=" + encodeURIComponent(value));
        });
    }
    return parts.join("&");
  },
  ajax: function Bugzilla_ajax(options) {
    var newOptions = {__proto__: this.DEFAULT_OPTIONS};
    for (name in options)
      newOptions[name] = options[name];
    options = newOptions;

    function onLoad() {
      var response = JSON.parse(xhr.responseText);
      if (!response.error)
        options.success(response);
      // TODO: We should really call some kind of error callback
      // if this didn't work.
    }

    var xhr = options.xhr ? options.xhr : new XMLHttpRequest();
    var url = this.BASE_URL + options.url;

    if (options.data)
      url = url + "?" + this.queryString(options.data);
    xhr.open(options.method, url);
    xhr.setRequestHeader("Accept", "application/json");
    xhr.setRequestHeader("Content-Type", "application/json");
    xhr.addEventListener("load", onLoad, false);
    xhr.send(null);
    return xhr;
  },
  getBug: function Bugzilla_getBug(id, cb) {
    return this.ajax({url: "/bug/" + id,
                      success: cb});
  },
  search: function Bugzilla_search(query, cb) {
    return this.ajax({url: "/bug",
                      data: query,
                      success: cb});
  }
};

//add an onload function to the existing mockup file
function addLoadEvent(func) {
	  var oldonload = window.onload;
	  if (typeof window.onload != 'function') {
	    window.onload = func;
	  }
	  else {
	    window.onload = function() {
	    if (oldonload) {
	        oldonload();
	    }
	      func();
	    }
	  }
}

//Inject an onload event to add the bug data
addLoadEvent(run);


function run(){
    populateAllLink();

	//Find all of the divs added in Fireworks and overlay new bug panels
	var divs = document.querySelectorAll("div[id^='bug-']");
	for(var i=0; i < divs.length; i++){
		var div = divs[i];
		var bugNumber = div.id.substr(4,6);
		div.id = "panel-" + bugNumber;
	}

	//Set all of the panels to the loading state so they fade in
	divs = document.querySelectorAll("div[id^='panel-']");
	for(var i=0; i < divs.length; i++){
		var panel = divs[i];
		var bugNumber = panel.id.substr(6,6);
		panel.className = "panel loading";
		panel.innerHTML = "<img src='http://areweprettyyet.com/bugzillaMockup/loading.png'>";
	}

	//Populate each panel with live data from bugzilla
	divs = document.querySelectorAll("div[id^='panel-']");
	for(var i=0; i < divs.length; i++){
		var panel = divs[i];
		var bugNumber = panel.id.substr(6,6);
		var bug = Bugzilla.getBug(bugNumber,fillData);
	}

	//set the scroll position if the URL had a hash
	location.hash = location.hash;
}

//Populate a specific panel with bug data
function fillData(bug){

	var panel = document.getElementById("panel-" + bug.id);
	var panelClass;
	var blockingClass = "inactive";
	var assignedClass = "inactive";

	var status = "At Risk";
	if(bug.status == "RESOLVED" | bug.status == "VERIFIED"){
		if(bug.resolution == "FIXED"){
			status = "Fixed";
		}
		if(bug.resolution == "DUPLICATE"){
			status = "Duplicate";
		}
		if(bug.resolution == "INVALID"){
			status = "Invalid";
		}
		if(bug.resolution == "WONTFIX"){
			status = "Won't Fix";
		}
		if(bug.resolution == "WORKSFORME"){
			status = "Works for Me";
		}
		if(bug.resolution == "INCOMPLETE"){
			status = "Incomplete";
		}
	}

	var assigned = "Unassigned";
	if(bug.assigned_to.real_name != "Nobody; OK to take it and work on it"){
		assigned = bug.assigned_to.real_name;
		assignedClass = "active";
	}

	var blocking = "Not blocking";
	if(bug.cf_blocking_20 != null){
		if(bug.cf_blocking_20.substr(-1) === "+"){blocking = "Blocking"; blockingClass = "active"};
		if(bug.cf_blocking_20 == "-"){blocking = "Blocking rejected"; blockingClass = "rejected"};
		if(bug.cf_blocking_20 == "?"){blocking = "Nominated"; blockingClass = "inactive"};
	}

	if(status == "Fixed"){
		panelClass = "complete";
	}
	else if(status == "Duplicate"){
		panelClass = "duplicate";
	}
	else if(status == "Invalid" | status == "Won't Fix" | status == "Works for Me" | status == "Incomplete"){
		panelClass = "atRisk";
	}
	else if(blocking == "Nominated"){
		status = "Nominated";
		panelClass = "nominated";
	}
	else if(blocking == "Blocking" ){
		status = "Blocker";
		panelClass = "blocking";
	}
	else if(assigned != "Unassigned"){
		status = "Grassroots";
		panelClass = "grassRoots";
	}
	else if((blocking == "Not blocking" | blocking == "Blocking rejected") && assigned == "Unassigned"){
		status = "At Risk";
		panelClass = "atRisk";
	}

	panel.className = "panel done " + panelClass;

	panel.innerHTML = "<a href='https://bugzilla.mozilla.org/show_bug.cgi?id=" + bug.id + "'>" + bug.id + ", " + bug.summary + "</a><br>" +
	"<span class=" + panelClass + ">" + status + ":</span> " +
	"<span class=" + blockingClass + ">" + blocking + "</span>, " +
	"<span class=" + assignedClass + ">" + assigned + "</span>";
}

function populateAllLink(){

	var allBugs = "https://bugzilla.mozilla.org/buglist.cgi?quicksearch=";

	divs = document.querySelectorAll("div[id^='bug-']");
	for(var i=0; i < divs.length; i++){
		var bugs = divs[i];
		var bugNumber = bugs.id.substr(4,6);
		allBugs = allBugs + bugNumber + "%2C";
	}
    links = document.querySelectorAll("a.all-bugs");
    for(var i=0; i < links.length; i++){
        var link = links[i];
        link.setAttribute("href", allBugs);
    }

}