/**
 * Submit function
 */
$(function() 
{
	$("#leadsubmit").submit(function()
	{
		$(this).formSubmit({
			before: function_before,  // pre-submit callback 
			error: function_error,  // error callback 
			success: function_succes // post-submit callback
		});
			
		return false;
	});
});

/**
 * Helper functions
 */
function function_succes(form, data)
{
	var reportUrl = $("input[type='hidden'][name='report_url']").attr("value");
	
	if(reportUrl != '' && reportUrl != '#') {
		$.post(reportUrl, form, function() { 
			window.location = $("input[type='hidden'][name='redirect_url']").attr("value");
		});
	} else {
		window.location = $("input[type='hidden'][name='redirect_url']").attr("value");
	}
}

function function_before(form, options)
{
	$("input[type='submit']").attr("disabled", "disabled"); 
}

function function_error(data)
{
	$("input[type='submit']").removeAttr('disabled');
	$("span.error").removeClass('error');
	
	if(data.result && data.result != 'validation_error') {
		alert(data.result);
	} else if(data.missing_fields) {
		$.each(data.missing_fields, function(i, item) {
			$("#" + item).addClass('error');
		});
		
		alert($("input[type='hidden'][name='errormessage']").attr("value"));
	} else if(data.debug) {
		alert(data.debug);
	} else {
		alert('Error');
	}
}

/**
 * Formsubmit
 */
jQuery.fn.formSubmit = function(option) {
	// Try catch environment
	try {
		// Early exit no element selected
		if (!this.length) {
			throw('No element selected ');
		}

		// If empty options create empty objct
		var options = option || {};

		// Define method
		var type = "GET";
		var dataType = "jsonp";

		// If function put it as success function
		if (typeof options == 'function')
			options = { success: options };

		// Url, clean url
		var url = $.trim(this.attr('action'));
		if (url) 
			url = (url.match(/^([^#]+)/)||[])[1];
		url = url || window.location.href || '';

		// Gather form, add if data
		var form = this.formToArray();
		if (options.data) {
			options.extraData = options.data;
			for (var n in options.data) {
			  if(options.data[n] instanceof Array) {
				for (var k in options.data[n])
				  form.push( { name: n, value: options.data[n][k] } );
			  }
			  else
				 form.push( { name: n, value: options.data[n] } );
			}
		}

		// Give pre-submit callback an opportunity to abort the submit
		if (options.before && options.before(form, options) === false) {
			return;
		}

		// Param length
		if($.param(form).length - url.length + 1 > 2030) {
			if (options.error) {
				options.error({'result' : 'Data length exceeds GET limit'});
			}
			
			return;
		}

		// Add method parameter
		form.push( { name: "method_", value: dataType } );

		// Do request with form data
		$.ajax({
			type: type,
		    url: url,
		    dataType: dataType,
		    data: form,
		    jsonp: "callback_",
		    success: function(data, textStatus) {
				if(data.result && data.result == 'success') {
					// Call success function if defined
					if(options.success) {
						options.success(form, data);
					}
				} else  {
					// Call error function if defined
					if (options.error) {
						options.error(data);
					}
				}
			},
		    error: function(request, textStatus){
		        var data = { error: textStatus, request : request};

		        if(options.error) {
		        	options.error(data);
		        }
		    }
		});	
	} catch(error) {
		alert('Submit error: ' + error);
	}
}

/**
 * formToArray() gathers form element data into an array of objects
 */
$.fn.formToArray = function() {
	var a = [];
	if (this.length == 0) return a;

	var form = this[0];
	var els = form.elements;
	if (!els) return a;
	for(var i=0, max=els.length; i < max; i++) {
		var el = els[i];
		var n = el.name;
		if (!n) continue; 

		var v = $.fieldValue(el, true);
		if (v && v.constructor == Array) {
			for(var j=0, jmax=v.length; j < jmax; j++)
				a.push({name: n, value: v[j]});
		}
		else if (v !== null && typeof v != 'undefined')
			a.push({name: n, value: v});      
	}
	
	return a;
};

/**
 * Returns the value(s) of the element in the matched set.
 */
$.fn.fieldValue = function(successful) {
	for (var val=[], i=0, max=this.length; i < max; i++) {
		var el = this[i];
		var v = $.fieldValue(el, successful);
		if (v === null || typeof v == 'undefined' || (v.constructor == Array && !v.length))
			continue;
		v.constructor == Array ? $.merge(val, v) : val.push(v);
	}
	return val;
};

/**
* Returns the value of the field element.
*/
$.fieldValue = function(el, successful) {
	var n = el.name, t = el.type, tag = el.tagName.toLowerCase();
	if (typeof successful == 'undefined') successful = true;

	if (successful && (!n || el.disabled || t == 'reset' || t == 'button' ||
		(t == 'checkbox' || t == 'radio') && !el.checked ||
		(t == 'submit' || t == 'image') && el.form && el.form.clk != el ||
		tag == 'select' && el.selectedIndex == -1))
			return null;

	if (tag == 'select') {
		var index = el.selectedIndex;
		if (index < 0) return null;
		var a = [], ops = el.options;
		var one = (t == 'select-one');
		var max = (one ? index+1 : ops.length);
		for(var i=(one ? index : 0); i < max; i++) {
			var op = ops[i];
			if (op.selected) {
				var v = op.value;
				if (!v) // extra pain for IE...
					v = (op.attributes && op.attributes['value'] && !(op.attributes['value'].specified)) ? op.text : op.value;
				if (one) return v;
				a.push(v);
			}
		}
		return a;
	}
	return el.value;
};