var BWSubBuilder = {
	
	addMorePeople: function() {
	
		// First check the people count, if it is going to go over 12, show the warning and remove the button to add more.
		var people_count = parseInt($('people_count').value);
		
		if(people_count + 3 >= 12) {
			
			$('too-many-people-warning').show();
			$('builder_addmorepeoplebutton').hide();
			
		}
		
		var new_count = people_count + 3;
		
		if(new_count > 12)
			new_count = 12;
		
		while(people_count < new_count) {
			
			people_count++;
			
			// Add a new person.
			//var current_table_text = $('builder-people').innerHTML;
			
			// New row.
			var new_row = '<tr id="builder_people_'+people_count+'" class="builder-people-skeleton">';
			new_row += '<td class="builder-people-skeleton-index">'+people_count+'</td>';
			new_row += '<td class="builder-people-skeleton-name"><input type="text" name="name_'+people_count;
			new_row += '" id="name_'+people_count+'" onchange="BWSubBuilder.updateTotal();"/></td>';
			new_row += '<td class="builder-people-skeleton-email"><input type="text" name="email_'+people_count;
			new_row += '" id="email_'+people_count+'" onchange="BWSubBuilder.updateTotal();"/></td>';
			new_row += '<td class="calc-column"><div id="person_price_'+people_count+'">&nbsp;</div></td>';	
			new_row += '</tr>';
			
			$('builder-people').insert(new_row);
			
		}
		
		$('people_count').value = people_count;
		
	},
	
	applyDiscountCode: function() {
		
		// Get the entered discount code, if there is one.
		var discount_code = $('discount_code').value;
		
		if(discount_code != '') {			
			
			// Try to get the tab_index of a tab that matches this, or a new tab.
			new Ajax.Request("/store/_check_discount_code.php?discount_code="+discount_code, {
				
				method: 'get',
				onSuccess: function(t) {

					var discount_code_data = t.responseText;
				
					// The data is a semicolon-separated string.  Each chunk represents either an error code, or
					// a product_id:discount pair.
					var dcd_parts = discount_code_data.split(';');
														
					// Check for errors, if there are any, we aren't doing anything else.
					for(var i = 0; i < dcd_parts.length; i++) {
						
						var dcd_subparts = dcd_parts[i].split(':');
						
						if(dcd_subparts[0] == 'ERROR') {
							
							switch(dcd_subparts[1]) {
							
								case 'INVALID':
									$('discount_code_status').style.color = '#FF0000';
									$('discount_code_status').update('You have entered an invalid discount code, please try again');
									return;
									break;
							
								case 'INACTIVE':
									$('discount_code_status').style.color = '#FF0000';
									$('discount_code_status').update('The discount code you have entered is not yet active, please check the dates for your code.');
									return;
									break;
							
								case 'EXPIRED':
									$('discount_code_status').style.color = '#FF0000';
									$('discount_code_status').update('The discount code you have entered has expired.');
									return;
									break;
									
							}
							
						}
						
					}
					
					// Is there a discount for standard or plus?
					var discount_for_standard = 0;
					var discount_for_plus = 0;
					
					var discount_applies_to_this_order = false;
										
					for(var i = 0; i < dcd_parts.length; i++) {
						
						var dcd_subparts = dcd_parts[i].split(':');
						
						if(dcd_subparts[0] == '201') {
							
							discount_for_standard = dcd_subparts[1];
							discount_applies_to_this_order = true;
							
						} else if(dcd_subparts[0] == '252') {
							
							discount_for_plus = dcd_subparts[1];
							discount_applies_to_this_order = true;
							
						}
						
					}

					$('per_person_price_discount').value = discount_for_standard;
					$('plus_upgrade_price_discount').value = discount_for_plus;
					
					if(discount_applies_to_this_order) {
						
						$('discount_code_status').style.color = '#336699';
						$('discount_code_status').update('Your discount has been applied to this order.');
						
					} else {
						
						$('discount_code_status').style.color = '#FF000';
						$('discount_code_status').update('Your discount does not apply to this order.');
						
					}
						
					BWSubBuilder.updateTotal();				
					
				}	
		
			});	
			
		}
		
	},
	
	selectPlus: function(on) {
		
		if(on) {
			
			$('plus_unchecked').hide();
			$('plus_checked').show();			
			$('plus').checked = true;
			
		} else {
			
			$('plus_unchecked').show();
			$('plus_checked').hide();			
			$('plus').checked = false;
						
		}
		
		// Update total value.
		BWSubBuilder.updateTotal();
		
	},	
	
	submitForm: function() {
		
		var people_count = $('people_count').value;
		
		// Check that the form has some people.
		var has_people = false;
		
		for(var i = 1; i <= people_count; i++)	{
			
			// Check to see if we have complete data for this person.
			var name=$('name_'+i).value;
			var email=$('email_'+i).value;
			
			if(name !='' && email != '')
				has_people = true;

		}
		
		if(!has_people) {
			
			alert("You need to specify at least one user's name and e-mail address.");
			return false;
			
		} else {
			
			$('builder-form').submit();
			
		}
		
	},	
		
	updateTotal: function() {
		
		var people_count = $('people_count').value;
		
		var total = 0;
		
		var person_price = parseFloat($('per_person_price').value) - parseFloat($('per_person_price_discount').value);
		var plus_upgrade_price = parseFloat($('plus_upgrade_price').value) - parseFloat($('plus_upgrade_price_discount').value);
		
		// Add in each person.
		for(var i = 1; i <= people_count; i++)	{
			
			// Check to see if we have complete data for this person.
			var name=$('name_'+i).value;
			var email=$('email_'+i).value;
			
			// If we have both values, then update the person price.
			if(name !='' && email != '') {
				
				$('person_price_'+i).update('$'+person_price);
				total += person_price;
				
			} else {

				$('person_price_'+i).update('');
				
			}

		}
		
		// Add in plus, if applicable.
		if($('plus').checked) {
			
			$('plus_price').update('$'+plus_upgrade_price);
			total += plus_upgrade_price;
			
		} else {
			
			$('plus_price').update('');
			
		}
		
		$('builder-grand-total').update('$'+total);
		
	}		
	
};