var ss = {
	protocolAndHostWithPort: 'http://www.delveapp.com',
	hostWithPort: 'www.delveapp.com'
};

// These need to be defined in the calling file
if(!ss) alert('ss has not been defined');
if(!ss.protocolAndHostWithPort) alert('ss.protocolAndHostWithPort has not been defined');
if(!ss.hostWithPort) alert('ss.hostWithPort has not been defined');

// window.location.search
ss.qs = function(fragment, searchPortion){
	var params = searchPortion.split("?");
	params = params[1];
	var parts = params.split("&");
	for (i = 0; i < parts.length; i++) {
		var ft = parts[i].split("=");
		if (ft[0] === fragment) {
			return ft[1];
		}
	}
};

ss.getHostTag = function(doc, currentDomain) {

	if(doc.getElementById('rmg-script')) return doc.getElementById('rmg-script');

	var scripts = doc.getElementsByTagName('script');
	
	for(var ii = 0; ii < scripts.length; ii++) {
		var st = scripts[ii];
		if(st.src.indexOf(currentDomain)  > -1) {
			return st;
		}
	}
	return doc.getElementById('rmg-script');
};

ss.submit = function(e) {

	ss.go(document.getElementById('ss-searchTerm').value, 1);
	if (!e) var e = window.event;

	e.cancel = true;
	return false;
};

ss.go = function(term, page) {

	var existing = document.getElementById('ss-data');

	if(existing) {
		existing.parentNode.removeChild(existing);
	}

	var scr = document.createElement('script');
	scr.type = 'text/javascript';
	scr.id = 'ss-data';
	scr.src = ss.protocolAndHostWithPort + '/search/perform?crawl_target_id=' + ss.accountId +'&term='+ term +'&start=' + page;
	
	document.getElementById('ss-submit').value = 'Searching...';
	
	document.body.appendChild(scr);

};

ss.createForm = function(doc, insertTarget) {

	if(!insertTarget) {
		return;
	}
	var script_tag = document.createElement('script');
	script_tag.setAttribute('type', 'text/javascript');
	script_tag.setAttribute('src', ss.protocolAndHostWithPort + '/javascripts/ssquery.js');
	document.getElementsByTagName('head')[0].appendChild(script_tag);
	script_tag.onload = script_tag.onreadystatechange = function() {
		if(!this.readyState || this.readyState == "loaded" || this.readyState == "complete") {
			ss.runCreate(insertTarget);
		}
	}

};

ss.runCreate = function(insertTarget) {
	ss.accountId = ss.qs('id', insertTarget.src);
	ss.targetId = ss.qs('t', insertTarget.src);

	var el = document.getElementById(ss.targetId);
	el.style.display = 'none';

	var form = document.createElement('form');
	form.id = 'ss-form';
	form.onsubmit = ss.submit;

	var field = document.createElement('input');
	field.id = 'ss-searchTerm';
	var label = document.createElement('label');
	label.innerHTML = 'Search:';
	var button = document.createElement('input');
	button.id = 'ss-submit';
	button.type = 'submit';
	button.value = 'Go';

	form.appendChild(label);
	form.appendChild(field);
	form.appendChild(button);

	insertTarget.parentNode.insertBefore(form, insertTarget);
}

// called when the search results are available
ss.callback = function() {

	document.getElementById('ss-submit').value = 'Go';
	var el = document.getElementById(ss.targetId);
	var proceed = true;
	ssQuery('html, body').animate({ 
		scrollTop: ssQuery('ss.submit').offset().top
	}, 500, function() {
		if(!proceed) {
			return;
		}
		
		proceed = false;
		ssQuery(el).slideUp(1000, function() {
					
			var noResultsPresent = ss.data.indexOf('"ss-result"') === -1;

			el.innerHTML = noResultsPresent ? '<p>No results.</p>' : ss.data;
			
			// add handlers
			ssQuery(el).find('#ss-paging a').click(function() {
				ss.go(document.getElementById('ss-searchTerm').value, this.title.split('-')[1]);
				return false;
			});
			
			ssQuery(el).find('#ss-close').click(function() {
				ssQuery(el).slideUp(1000);
				return false;
			});
			
			ssQuery(el).slideDown(1000, function() {
				if(noResultsPresent) {
					window.setTimeout(function() {
						ssQuery(el).slideUp(1000);
					}, 2000);
				}
			});
		});		
		
	
	});
};

ss.createForm(document, ss.getHostTag(document, ss.hostWithPort));