(function( $ ) {
	var requests = {};
	var zipValid = {
		pattern: /^[a-z0-9]+$/i
	};
	var protocol = '';
	if (location.protocol == 'file:') {
		protocol = 'https://';
	} else {
		protocol = location.protocol;
	}
	var referrer = document.location.origin + document.location.pathname;

 	$.ziptastic = function(country, zip, key, callback) {
		country = country || 'US';
		if (!key) {
			alert("Please register for an API key at GetZiptastic.com.");
			return;
		}

		country = country.toUpperCase();
		if(!requests[country]) {
			requests[country] = {};
		}

		if(!requests[country][zip]) {
			requests[country][zip] = $.ajax({
				url: protocol + '//zip.getziptastic.com/v3/' + country + '/' + zip,
				headers: {'x-referrer': referrer, 'x-key': key},
				contentType: "application/json",
				type: 'GET',
				dataType: 'json',
				success: function(data) { requests[country][zip] = data[0]; },
				error: function(e) { console.log('There was an error. ' + e.message ); }
			});

			// Bind to the finished request
			requests[country][zip].done(function(data) {

				if (typeof callback == 'function') {
					var data_temp = data
					var key = Object.keys(data_temp)[0];

					requests[country][zip] = data_temp[key];
					callback(data_temp[key].country, data_temp[key].state,
							 data_temp[key].state_short, data_temp[key].city, zip);
				}
			});
		}
		// Allow for binding to the deferred object
		return requests[country][zip];
	};

	$.reverseZiptastic = function(latitude, longitude, key, callback) {
		var request = $.ajax({
		   url: protocol + '//zip.getziptastic.com/v3/reverse/' + latitude + '/' + longitude + '/5000',
		   headers: {'x-referrer': referrer, 'x-key': key},
		   contentType: "application/json",
		   type: 'GET',
		   dataType: 'json',
		   error: function(e) { console.log('There was an error. ' + e.message ); }
	   });

	   request.done(function(data) {
		   if (typeof callback == 'function') {
			   callback(data[0].country, data[0].state,
						data[0].state_short, data[0].city, zip);
		   }
	   });
	}

	$.fn.ziptastic = function( options ) {
		return this.each(function() {
			var ele = $(this);
			if (options.reverseGeo == true) {
				var geoSuccess = function(position) {
					$.reverseZiptastic(position.coords.latitude, position.coords.longitude, options.key, function(country, state, state_short, city){
						ele.trigger('zipChange', [country, state, state_short, city, zip]);
					});
				}

				var geoError = function(e) {
					error(e);
				}

				if (navigator.geolocation) {
				  navigator.geolocation.getCurrentPosition(geoSuccess, geoError);
				} else {
				   console.log('Geolocation is not supported by your browser.');
				}

			} else {

				ele.on('keyup change', function() {
					var zip = ele.val();
					if(zipValid.pattern.test(zip)) {
						$.ziptastic(options.country, zip, options.key, function(country, state, state_short, city) {
							// Trigger the updated information
							ele.trigger('zipChange', [country, state, state_short, city, zip]);
						});
					}
				});
			}
		});
	};
})( jQuery );