var Developers = function(core, target, data, returnCB){
	var events = new EventManager,
		template = new Template(),
		element = getElementFromString(render(template.index, null)),
		elements = null,
		data = null;

	this.exit = exit;
	new ApiManager({ 'developersList' : null }, null, init);

	function Developer(o, i){
		this.id = isDefined(o.id) ? o.id : null;
		this.name = isDefined(o.name) ? o.name : '[Not set]';
	}

	function Template(){
		var header = '<header><a href="/dashboard/developers/create" class="button mint auto">Create Developer</a></header>',
			swtch = '<action><a href="#" class="button tidySmall mist switchBtn">Switch to Developer</a></action>',
			edit = '<action><a href="#" class="button tidySmall mint editBtn">Edit</a></action>',
			del = '<action class="delBtn"></action>',
			manageRow = '<div class="manageRow"><h2>Manage Developers</h2><actions>' + swtch + edit + del + '</actions></div>',
			manageTable = '<div class="manageTable"></div>';

		this.index = '<div id="ads" class="managePage longTitle">' + header + manageRow + manageTable + '</div>';
		this.fresh = '<div class="freshContainer"><h2 class="mist">Oh no! It appears that we have no developers here. We should add some. Try it out - it\'s simple!</h2></div>';
	}

	function init(error, d){
		data = getDataObj(d);

		initHeader();
		setElements();
		if(!error && !!d && !!d.developersList && d.developersList.length > 0) initTable();
		else initFresh();
		setButtons(getSimpleJSONCopy(clientsButtonObj));

		if(returnCB) returnCB();
		insertElement();
	}

	function initHeader(){ var h = element.querySelector('header'); events.add(h.querySelector('a'), 'click', popAnchor); }
	function initTable(){
		elements.actions = element.querySelector('actions');
		data.table.rows.sort(function(a, b) { return parseInt(a.id) < parseInt(b.id) ? -1 : 1; });
		elements.table = NewMTable(element.querySelector('.manageTable'), data.table, tableUpdate); tableUpdate();
	}
	function initFresh(){ elements.fresh = getElementFromString(template.fresh); hideManage(); data.table.rows = []; element.appendChild(elements.fresh); }
	function insertElement(){ target.appendChild(element); }

	function getDataObj(o){ var d = getSimpleJSONCopy(AgencyTemplateData); d.table.rows = getDeveloperList(o.developersList); return d; }
	function getDeveloperList(d){
		var a = [];
		forEach(d, p);
		return a;
		function p(t, d, i){ a.push(new Developer(t, i)); }
	}

	function setElements(){
		elements = new Elements(element, {
			'fresh' : {}, 'table' : {}, 'actions' : {}, 'rows' : {}, 'delV' : {},
			'del' : { 'selector' : '.delBtn' },
			'swtch' : { 'selector' : '.switchBtn' },
			'edit' : { 'selector' : '.editBtn' }
		});
	}
	function setButtons(buttonsObj){
		events.add(elements.swtch, 'click', switchAction);
		events.add(elements.edit, 'click', editAction);
		elements.delV = new ConfirmationButton(elements.del, buttonsObj.del, delAction);
	}

	function hideManage(){ element.querySelector('.manageRow').classList.add('noDisplay'); }

	function switchAction(e){
		preventDefault(e);
		var id = elements.table.getSelectedRows()[0].getData().id;
		ga('send', 'event', 'Admins', 'Switch to developer', id);
		core.switchUser(id);
	}

	function editAction(e){
		preventDefault(e);
		var id = elements.table.getSelectedRows()[0].getData().id;
		pop("Pop!", core.brand.name + " - Edit Developer", "/dashboard/developers/edit/" + id)
	}

	function delAction(e){
		preventDefault(e);
		new ApiDelete(data, elements.table.getSelectedRows(), 'developers', core.userID, updateActionCB);
	}

	function refreshTable(){ if(elements.table) elements.table.exit(); initTable(); }
	function tableUpdate(){
		switch(elements.table.getSelectedRows().length){
			case 0:
				hideActions();
				break;
			case 1:
				showActions();
				break;
			default:
				hideSingleActions();
				break;
		}
	}

	function updateActionCB(e){
		updateErrorCheck(e);
		new ApiManager({ 'developersList' : null }, null, updateDevelopersList);
	}

	function updateErrorCheck(e){
		for(var k in e){
			if(isDefined(e[k]) && isDefined(e[k].error)){
				new core.notifications.setError(e[k].error);
				return true;
			}
		}
	}

	function updateDevelopersList(e, o){ data = getDataObj(o); refreshTable(); }

	function showActions(){ setAction('swtch'); setAction('edit'); setAction('del'); }
	function hideActions(){ setAction('swtch', true); setAction('edit', true); setAction('del', true); }
	function hideSingleActions(){ setAction('swtch', true); setAction('edit', true); }
	function setAction(k, rmv){ elements[k].classList[!rmv ? 'remove' : 'add']('noDisplay'); }

	function exit(){ if(element) removeChild(target, element); if(events) events.reset(); if(elements) elements.exit(); housekeeping(); }
	function housekeeping(){ core = target = data = returnCB = events = template = element = data = elements = null; }
};