$(document).ready(function(){
    
    inputs.init();
    dukeForm.init();
});
function getAncestor(el, type) {
    var ancestor = el.parentNode;
    //if(!ancestor) return false;
    while (ancestor.nodeName != type) {
        //alert(ancestor.nodeName);
        ancestor = ancestor.parentNode;
    }
    return ancestor;
}
inputs = {
    init: function() {
        var forms = $('#content form');
        for (var i = 0; i < forms.length; i++){
            if (forms[i].className.indexOf('survey') != -1) return;
        }
        inputs.tag('input');
        inputs.tag('select');
        inputs.tag('textarea');
    },
    tag: function(type) {
        var els = $('#content' + ' ' + type);
        
        for (var i = 0; i < els.length; i++) {
            if (els[i].type == 'button' || els[i].type == 'submit' || els[i].type == 'checkbox') continue;
            els[i].onfocus = function(){inputs.highlight(this)};
            els[i].onblur = function(){inputs.unhighlight(this)};
        }
    },
    highlight: function(input) {
        var par = inputs.parent();
        var div = getAncestor(input, par);
        div.className += ' highlight';
    },
    unhighlight: function(input) {
        var par = inputs.parent();
        var div = getAncestor(input, par);
        var oldClass = div.className;
        div.className = oldClass.replace('highlight','');
    },
    parent: function() {
        if ($('#contactUs')) {
            return 'FIELDSET';
        }
        else { 
            return 'FIELDSET';
        }
    }
}

dukeForm = {
    init: function() {
        var forms = document.getElementsByTagName('form');
        
        for (var i = 0; i < forms.length; i++) {
            if (forms[i].className.indexOf('validate') == -1) continue;
            var oldOnSubmit = forms[i].onsubmit;
            forms[i].onsubmit = function() {
                oldOnSubmit;
                return dukeForm.submit(this);            
            }
        }
    },
    submit: function(form) {
        dukeForm.name = form.name;
        if (!dukeForm.validate(form)) return false;
        dukeForm.enableFields(form);
        form.submit;
    },
    enableFields: function(form) {
        var length = form.elements.length;
        for (var i = 0; i < length; i++) {
            var field = form.elements[i];
            field.disabled = '';
        }
    },
    error: {
        show: function(field) {
            msg = field.name + '_error';
            document.getElementById(msg).style.display = 'block';
        },
        hide: function(field) {
            msg = field.name + '_error';
            document.getElementById(msg).style.display = 'none';
        }
    },        
    name: 'registrationForm',
    validate: function(form) {
        var length = form.elements.length;
        var result = true;
        for (var i = 0; i < length; i++) {
            var field = form.elements[i];
            if (field.className.indexOf('required') == - 1 || field.style.display == 'none') continue;
            if (!dukeForm.field.validate(field)) {
                dukeForm.error.show(field);
                result = false;
            }
            else {
                dukeForm.error.hide(field);
                var rel = document.getElementById(field.getAttribute('rel'));
                if(rel) {
                    if(!dukeForm.field.checkMatch(field)) {
                        var rel = document.getElementById(field.getAttribute('rel'));
                        dukeForm.error.show(rel);
                        result = false;
                    }
                    else {
                        dukeForm.error.hide(rel);
                    }
                }                    
            }
        }
        return result;
    },
    field: {
        validate: function(field,length) {
            switch(field.type) {
                case 'text':
                    if (!dukeForm.field.isFilled(field,length)) return false;
                    if (field.className.indexOf('email') > -1) return dukeForm.field.isEmail(field);
                    if (field.className.indexOf('phone') > -1) return dukeForm.field.isPhone(field);
                    if (field.className.indexOf('date') > -1) return dukeForm.field.isDate(field);
                    return dukeForm.field.otherTests(field);
                    break;
                case 'password':
                    if (dukeForm.field.isFilled(field,8)) return true;
                    break;
                case 'textarea':
                    return dukeForm.field.isFilled(field,length);
                    break;
                case 'select-one':
                    return dukeForm.field.isSelected(field);
                    break;
                case 'radio':
                    return dukeForm.field.isRadioed(field);
                    break;
                case 'checkbox':
                    return dukeForm.field.isChecked(field);
                    break;
                default:
                    //alert('not accounted for: ' + field.type);
            }
        },
        isEmail: function(field) {
            if (field.value.indexOf("@") < 1 || field.value.indexOf(".") == -1) {
                return false;
              } 
              else {
                return true;
              }
        },
        isFilled: function(field, length) {
            if (field.value.length < 1) {
                return false;
             } 
              else {
                if(!length) length = 1;
                var result = (field.value.length >= length) ? true : false;
                return result;
              }
        },
        isPhone: function(field) {
            if (!dukeForm.field.isNotAlpha(field)) return false;
            field.value = dukeForm.field.cleanPhone(field.value);
            var result = (field.value.length == 12) ? true : false;
            return result;
        },
        isDate: function(field) {
            if (!dukeForm.field.isNotAlpha(field)) return false;
            var date = dukeForm.field.cleanDate(field.value);
            field.value = (date != null) ? date : field.value;
            var result = (field.value.length == 12 || field.value.length == 7) ? true : false;
            return result;
        },
        isNotAlpha: function(field) {
            var result = (field.value.search(/[a-zA-Z]/g) > -1) ? false: true;
            return result;
        },
        isSelected: function(field) {
            var result = (field.selectedIndex == 0) ? false : true;
            return result;
        },
        isRadioed: function(field) {
            //var form = getAncestor(field, 'form');
            var opts = document.forms[dukeForm.name].elements[field.name];
            var result = false;
            for (var i = 0; i < opts.length; i++) {
                if (opts[i].checked) result = true;
            }
            return result;
        },
        isChecked: function(field) {
            return field.checked;
        },
        cleanPhone:    function(value) {
            value = value.replace(/\D/g,'');
            if (value.charAt(0) == 1) value = value.substring(1, value.length);
            var newValue = value.substring(0, 3) + '-' + value.substring(3, 6) + '-' + value.substring(6); 
            return newValue;            
        },
        cleanDate: function(value) {
            value = value.replace(/-/g,'/');
            var parts = value.split('/');
            value = '';
            if (parts.length !=3) return null;
            for (var i = 0; i < parts.length; i++) {
                if (i != 2) {
                    value = (parts[i].length == 2) ? value + parts[i] : value + String('0') + parts[i];
                    value += '/';
                }
                else if (parts[i].length > 2) {
                    value += parts[i];
                }
                else {
                    var d = new Date();
                    var yr = String(d.getFullYear());
                    yr = yr.substring(2,4);
                    value = (parts[i] > yr) ? value + '19' + parts[i] : value + '20' + parts[i];
                }
            }
            return value;
        },
        checkMatch: function(field) {
            var rel = field.getAttribute('rel');
            if(!rel) return true;
            var relValue = $(rel).value;
            var result = (field.value == relValue) ? true : false;
            return result;
        },
        otherTests: function(field) {
            switch(field.id) {
                case 'acctNumber':
                    //return register.checkAcct();
                    break;
                default:
                    return true;
            }
        }
    }
}