//-----------------------------------------------------------------------------
// value 
//      - this function extends jQuery
//      - returns the value of form elements based on A single or B group type:
//      
//      A) single : ie <input type="text" />    - return input value
//      B) group  : ie <input type="radio" />   - return selected radio value
//-----------------------------------------------------------------------------
$.fn.value = function() {
    if(this.attr("type") == 'text' || this.attr("type") == 'date' || this.attr("type") == 'number' || this.attr("type") == 'tel'){
        this.val(this.val().trim());
    }
	if( (this.attr("type") == 'radio' || this.attr("type") == 'checkbox') && typeof(this.attr('name')) != 'undefined'){		
		var value = $("input[name="+this.attr('name')+"]:checked").val() || false;                      		
		if(value) return value;
		else return '';
	}
	else if(! this.hasClass('no-translate')) {
		try {
			return convertFrenchCharsToEnglish (this.val());
		} catch (err) {
			return this.val();
		}
	}
    else{
        return this.val();
    }
};


$.fn.summary = function() {
	//array of selected items, run hasError on each item
	if(this.length > 1){
		for(var i = 0; i < this.length; i++){
			$(this[i]).summary();
		}
	}
	//if selected item does not have class summary, search inside it for
	//elements that have it; run summary on anything found
	else if(!this.hasClass('app-summary')){
		var found_summaries = this.find(".app-summary");
		if(found_summaries.length) {
			$(found_summaries).summary();
		}
	}
	//split class string and look through each class
	//if class matches a field and has a value that isn't undefined
	//add it to the display string
	else {
		var classes = $(this).attr('class').split(' ');
		var display_string = '';
		for (var i = 0; i < classes.length; i++) {
			if(typeof($("#"+classes[i]+"_id").val()) != 'undefined'){
				if( $("#"+classes[i]+"_id").prop("tagName").toLowerCase() == 'select' && $("#"+classes[i]+"_id").val() != ""){
					display_string+= " " + $("#"+classes[i]+"_id").find("option:selected").html();
				}
				else if($("#"+classes[i]+"_id").attr("type") == 'radio'){
					display_string+= " " + $("input[name="+classes[i]+"]:checked").val();
				}
				else{
					display_string+= " " + $("#"+classes[i]+"_id").val();
				}
			}
		}
		if(display_string.match(/^\s$/)){
			$(this).hide();
		}
		else{
			$(this).show();
		}
		//alert(display_string);
        display_string = display_string.replace(/</g, '&lt;');
        display_string = display_string.replace(/>/g, '&gt;');
        
		$(this).find("span").html(display_string);
	}
};

//-----------------------------------------------------------------------------
// valid - performs validation on all form fields within a given jQuery selector
//       - triggers uos error text / css
//-----------------------------------------------------------------------------
$.fn.valid = function(systemError) {

	//array of selected items, run valid() on each item
	debug("Validating...");
	
	// "this" is an array of elements inside a given form
	if(this.length > 1){
		debug("\tMultiple items found, looping through each.");
		var error_flag = false;
		for(var i = 0; i < this.length; i++){
			debug("Loop: "+i);
			if( !$(this[i]).valid(systemError) ) error_flag = true;
		}
		if(error_flag) return false;
		else return true;
	}
	
	//selected item is not form field
	//look for form fields inside and valid() them
	else if( this.prop("tagName")	
	&& !this.prop("tagName").toLowerCase().match(/(select|input|textarea)/) ){
		debug("\tNot a input field, searching for fields inside");
		var found_fields = this.find('input, select, textarea');
		if(found_fields.length) {
			return $(found_fields).valid(systemError);
		} else {
			//return true, because nothing was found
			return true;
		}
	}
	
	//if selected is a form field
	//AND make sure there is an entry in the field response
	else if( this.prop("tagName")
	&& this.prop("tagName").toLowerCase().match(/(select|input|textarea)/) 
	&& typeof(fields[this.attr("name")]) != "undefined"){
		debug("\tInput field found: " + this.attr("name"));
		var field_name = this.attr("name");

		var field_constraints = fields[field_name];
		//loop through constraint names
		main_loop:
		for(var key in field_constraints){
			debug('\t\tConstraint: '+ key);
			// do a dependency check
			if(field_constraints[key].deps){
				debug('\t\t\tDependencies');
				for( var dep_field in field_constraints[key].deps ){
					debug('\t\t\tField: '+dep_field);
					for( var dep in field_constraints[key].deps[dep_field] ){
						debug('\t\t\tConstraint: '+dep);
						//skip the current constraint if it doesn't pass 
						// its dependencies
						var params = field_constraints[key].deps[dep_field][dep];
						if( !constraints[dep]( $("input[name="+dep_field+"], select[name="+dep_field+"]").value(), params.slice(0)) ){
							debug('\t\t\tFailed');
							continue main_loop;
						}
						debug('\t\t\tPassed');
					}
				}
			}
			//run the constraint, passing value from this and params from
			//service
			var params;
			if(field_constraints[key].params){
				params = field_constraints[key].params;
			}else{
				params = [""];
			  
			} 
            
			if( typeof (constraints[key]) != 'undefined' && !constraints[key](this.value() || '', params.slice(0)) ){
                               
                
                try{
            
                    var error = ( typeof content[field_name][$('#lang_id').val()].errors[key] == 'undefined')? 'default' : key;                                
                    this.show_error(false, content[field_name][$('#lang_id').val()].errors[error]);
                    debug('\t\tFailed');
                
                } catch(e){ 

                    debug("Fail on Field with no 'errors' nodes in content-fields JSON.  : " + field_name + " Constraint : " + key + " val : " +this.value() + " msg: " +  e) ;
                    systemError();
                                
                }
				return false;
			}else if (typeof (constraints[key]) == 'undefined') {
                
                debug("Missing constraint function " + key);
                return false;                
            
            }                
            
            
            /*
			if( typeof (constraints[key]) != 'undefined' && !constraints[key](this.value(), params.slice(0)) ){
                
               
                if(typeof content[field_name] == 'undefined'){
                    this.show_error(false, '');
                }
                else{
				    var error = ( typeof content[field_name][$('#lang_id').val()].errors[key] == 'undefined')? 'default' : key;                                
                    this.show_error(false, content[field_name][$('#lang_id').val()].errors[error]);
                }
                debug('\t\tFailed');
				return false;
			}
            */
			debug('\t\tPassed');
		}
		//clear errors
		this.show_error(true);
		return true;
	}
	else if(typeof(fields[this.attr("name")]) == "undefined"){
		debug('No validation exists for: '+this.attr("name"));        
		return false;
	}
	else{ 
		debug('Mystery (returning true for now)');

		return true;
	}
	
		
};



//-----------------------------------------------------------------------------
// valid_unit   - **used for unit tests only. 
//              - **do not call from app
//-----------------------------------------------------------------------------
$.fn.valid_unit = function(unit_test) {
	
    var unit_test_mode = unit_test || "off";
    
	//array of selected items, run valid() on each item
	debug("Validating...");
	
	// "this" is an array of elements inside a given form
	if(this.length > 1){
		debug("\tMultiple items found, looping through each.");
		var error_flag = false;
		for(var i = 0; i < this.length; i++){
			debug("Loop: "+i);
			if( !$(this[i]).valid() ) error_flag = true;
		}
		if(error_flag) return false;
		else return true;
	}
	
	//selected item is not form field
	//look for form fields inside and valid() them
	else if( this.prop("tagName")	
	&& !this.prop("tagName").toLowerCase().match(/(select|input|textarea)/) ){
		debug("\tNot a input field, searching for fields inside");
		var found_fields = this.find('input, select, textarea');
		if(found_fields.length) {
			return $(found_fields).valid();
		} else {
			//return true, because nothing was found
			return true;
		}
	}
	
	//if selected is a form field
	//AND make sure there is an entry in the field response
	else if( this.prop("tagName")
	&& this.prop("tagName").toLowerCase().match(/(select|input|textarea)/) 
	&& typeof(fields[this.attr("name")]) != "undefined"){
		debug("\tInput field found: " + this.attr("name"));
		var field_name = this.attr("name");

		var field_constraints = fields[field_name];
		//loop through constraint names
		main_loop:
		for(var key in field_constraints){
			debug('\t\tConstraint: '+ key);
			// do a dependency check
			if(field_constraints[key].deps && unit_test_mode != 'on'){
				debug('\t\t\tDependencies');
				for( var dep_field in field_constraints[key].deps ){
					debug('\t\t\tField: '+dep_field);
					for( var dep in field_constraints[key].deps[dep_field] ){
						debug('\t\t\tConstraint: '+dep);
						//skip the current constraint if it doesn't pass 
						// its dependencies
						var params = field_constraints[key].deps[dep_field][dep];
						if( !constraints[dep]( $("input[name="+dep_field+"], select[name="+dep_field+"]").value() || '', params.slice(0)) ){
							debug('\t\t\tFailed');
							continue main_loop;
						}
						debug('\t\t\tPassed');
					}
				}
			}
			//run the constraint, passing value from this and params from
			//service
			var params;
			if(field_constraints[key].params){
				params = field_constraints[key].params;
			}else{
				params = [""];
		  
			} 
            
			if( typeof (constraints[key]) != 'undefined' && !constraints[key](this.value() || '', params.slice(0)) ){
                               
                
                try{
            
				var error = ( typeof content[field_name][$('#lang_id').val()].errors[key] == 'undefined')? 'default' : key;                                
				this.show_error(false, content[field_name][$('#lang_id').val()].errors[error]);
                debug('\t\tFailed');
                
                } catch(e){ 
                
                    debug("Fail on Field with no 'errors' nodes in content-fields JSON.  : " + field_name + " Constraint : " + key + " val : " +this.value() + " msg: " +  e) ;
                                
                }
				return false;
			}else if (typeof (constraints[key]) == 'undefined') {
                
                debug("Missing constraint function " + key);
                return false;                
            
            }            
            
			debug('\t\tPassed');
		}
		//clear errors
		this.show_error(true);
		return true;
	}
	else if(typeof(fields[this.attr("name")]) == "undefined"){
		debug('No validation exists for: '+this.attr("name"));        
		return false;
	}
	else{ 
		debug('Mystery (returning true for now)');
		//no validation found
		//or not a tag
		//go to error page?
		//return true for now
		return true;
	}
	
		
};

//-----------------------------------------------------------------------------
// show_error   - show/hide callout and field validation messages 
//-----------------------------------------------------------------------------
$.fn.show_error = function(valid, error_message) {
	var field_name = this.attr("name");

	if (!valid && typeof(error_message) == "undefined"){
		error_message = " ";
	}
	
	// show error if valid is false
	if(!valid){
		if(this.attr('type') == 'radio' || this.attr('type') == 'checkbox'){
			$("input[name="+field_name+"]").addClass("app-error");
		}
		else this.addClass("app-error");	
		$("."+field_name+".app-message span").html(error_message);
		$("."+field_name+".app-message").show();
		$("."+field_name+".app-parent").addClass('app-error');
		$("."+field_name+".app-parent").removeClass("app-valid");
	}
	// hide error if valid is true
	else{
		if(this.attr('type') == 'radio' || this.attr('type') == 'checkbox'){
			$("input[name="+field_name+"]").removeClass("app-error");
		}
		else this.removeClass("app-error");	
		$("."+field_name+".app-message span").html('');
		$("."+field_name+".app-message").hide();
		//only remove the app-error on a app-parent if it can't find any
		//fields with errors inside it
		if($("."+field_name+".app-parent").find('input.app-error, select.app-error').length == 0){
			$("."+field_name+".app-parent").removeClass('app-error');
			$("."+field_name+".app-parent").addClass("app-valid");
		}
	}
};

function debug(string){
	<!--[if !IE]-->
	if(typeof(DEBUG) != 'undefined' && DEBUG == true){
		console.log(string);
	}
	<!--[endif]-->
}

if(typeof convertFrenchCharsToEnglish == 'undefined') {
		convertFrenchCharsToEnglish = function (text) {
			return text.replace(/[\u00A0-\u2666]/g, function(c) {  
					return convertFrenchCharsToEnglish.entityTable[c.charCodeAt(0)];
			});
		};
		// all HTML4 entities as defined here: http://www.w3.org/TR/html4/sgml/entities.html
		convertFrenchCharsToEnglish.entityTable = {
		/*'À'*/	192 : 'A', 
		/*'Á'*/	193 : 'A', 
		/*'Â'*/	194 : 'A', 
		/*'Ä'*/	196 : 'A', 
		/*'Ç'*/	199 : 'C', 
		/*'È'*/	200 : 'E', 
		/*'É'*/	201 : 'E', 
		/*'Ê'*/	202 : 'E', 
		/*'Ë'*/	203 : 'E', 
		/*'Ì'*/	204 : 'I', 
		/*'Í'*/	205 : 'I', 
		/*'Î'*/	206 : 'I', 
		/*'Ï'*/	207 : 'I', 
		/*'Ò'*/	210 : 'O', 
		/*'Ó'*/	211 : 'O', 
		/*'Ô'*/	212 : 'O', 
		/*'Ù'*/	217 : 'U', 
		/*'Ú'*/	218 : 'U', 
		/*'Û'*/	219 : 'U', 
		/*'Ü'*/	220 : 'U', 
		/*'à'*/	224 : 'a', 
		/*'á'*/	225 : 'a', 
		/*'â'*/	226 : 'a', 
		/*'ä'*/	228 : 'a', 
		/*'ç'*/	231 : 'c', 
		/*'è'*/	232 : 'e', 
		/*'é'*/	233 : 'e', 
		/*'ê'*/	234 : 'e', 
		/*'ë'*/	235 : 'e', 
		/*'ì'*/	236 : 'i', 
		/*'í'*/	237 : 'i', 
		/*'î'*/	238 : 'i', 
		/*'ï'*/	239 : 'i', 
		/*'ò'*/	242 : 'o', 
		/*'ó'*/	243 : 'o', 
		/*'ô'*/	244 : 'o', 
		/*'ù'*/	249 : 'u', 
		/*'ú'*/	250 : 'u', 
		/*'û'*/	251 : 'u', 
		/*'ü'*/	252 : 'u', 
		/*'ÿ'*/	255 : 'y',
		/*'Ÿ'*/	376 : 'Y'

		};
}