var forms = new Array();
var validator_init = function(){
    $('form').each(function(){
      var current = $(this);
      if(current.hasClass("webapp") && current.attr("id") != undefined) forms.push(new validator(current.attr("id")));
  });

//  $('.date').datepicker({ dateFormat: 'dd.mm' });
  //$('.date').attr('readonly',true);
}

/**
 * validator object
 * requires jquery
 */
var validator = function(formId){
    var self = this;
    this.formId = formId;

    $('#'+formId).bind('submit', function(){return self.validate();});

    var required = {
        field: undefined,
        msg: "",
        //add grater and less,  id or name holds than a number/float, or a fieldId
        //what todo with checkboxes? and radio
        //as well as street and city - bia google-maps api ;-)
        required: function(){
            if(this.field.val().length == 0){
                this.msg += this.field[0].title + " muss angegeben werden.\n";
                return false;
            }return true;
        },
        email: function(){
            if(this.field.val() == '') return true;
            var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
            if(reg.test(this.field.val()) == false){
                this.msg += this.field[0].title+" ist keine korrekte E-Mailadresse.\n";
                return false;
            }return true;
        },
        intval: function(){
            var reg = /^([0-9])/;
            if(reg.test(this.field.val()) == false){
                this.msg += 'In '+this.field[0].title+" ist keine korrekte Zahl eingetragen.\n";
                return false;
            }return true;
        },
        floatval: function(){
            var reg = /^([0-9])|^([0-9])+\.([0-9])$|\.([0-9])$/;
            if(reg.test(this.field.val()) == false){
                this.msg += 'In '+this.field[0].title+" ist keine korrekte Zahl eingetragen.\n";
                return false;
            }return true;
        },
        match: function(){
           var delimitter = "_";
           var ids = this.field[0].id.split(delimitter);
           var match = $('#'+ids[1]+delimitter+ids[0]);
           if( ids[1]!=undefined && this.field.val() != match.val() && this.field.attr('name') != ""){
               this.msg += "Die Felder "+this.field[0].title+" und "+match[0].title+" sind unterschiedlich.\n";
               return false;
           }return true;
        },
        password: function(){
            if(this.field.attr('name')=="") return true;
            if(this.field.val().length < 8){
                this.msg += "Jedes Passwort muss mindestens 8 Zeichen lang sein und wenigstens zwei Ziffern und zwei Buchstaben enthalten.\n";
                return false;
            }

            var pwd = this.field.val();
            
            var strlen = pwd.toString().length;
            
            var digits = 0;
            var letters = 0;

            for(var i=0; i<strlen; i++ ) {
                var curr_char = pwd.charAt(i);
                if( self.strpos('0123456789', curr_char) !== false ) {
                    digits ++;
                } else if( self.strpos('ABCDEFGHIJKLMOPQRSTUVWXYZabcdefghijklmopqrstuvwxyz', curr_char) !== false ) {
                    letters ++;
                } else {
                    // some other character
                }
            }

            if(digits < 2 || letters < 2){
                this.msg += "Jedes Passwort muss mindestens 8 Zeichen lang sein und wenigstens zwei Ziffern und zwei Buchstaben enthalten.\n";
                return false;
            }

            return true;
        }
    }

    this.validate = function(){
        required.msg = "";
        $('#'+this.formId+' input').each(function(){

           required.field = $(this);
           for(var item in required) {
                if( $(this).hasClass(item.toString()) )
                    if(! eval('required.'+(item.toString())+'()') ) break;
           }
        });

         $('#'+this.formId+' textarea').each(function(){

           required.field = $(this);
           for(var item in required) {
                if( $(this).hasClass(item.toString()) )
                    if(! eval('required.'+(item.toString())+'()') ) break;
           }
        });


        if(required.msg.length > 0) {
            outMsg(required.msg);
            return false;
        }
        return true;
    }

    this.strpos = function(haystack, needle, offset) {
        // Finds position of first occurrence of a string within another
        //
        // version: 1109.2015
        // discuss at: http://phpjs.org/functions/strpos
        // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
        // +   improved by: Onno Marsman
        // +   bugfixed by: Daniel Esteban
        // +   improved by: Brett Zamir (http://brett-zamir.me)
        // *     example 1: strpos('Kevin van Zonneveld', 'e', 5);
        // *     returns 1: 14
        var i = (haystack + '').indexOf(needle, (offset || 0));
        return i === -1 ? false : i;
    }
}

var outMsg = function(message){
    var target = $('#msg');
        var html = "<p>Das Formular wurde nicht ganz korrekt ausgefüllt, wir bitten um Verständnis. Bitte beachte </p>"
    html += "<ul>";
    var messages = message.split("\n");

    for(var i=0;i<messages.length-1;i++)
        html += '<li>'+messages[i]+'</li>';

    html += "</ul>";


    if(target.length == 0){
        var msg = '<div id="msg" style="position: fixed; display:none; z-index: 99; width: 600px; height: 200px; overflow: auto; background-color: #fff; border: 2px solid #990000; left: 50%; top: 50%; margin-left: -300px; margin-top: -100px; padding: 40px;"></div>';
        $('body').append(msg);
        target = $('#msg');
    }

    target.html(html);
    target.fadeIn(200);
    var msg_count = i;
    window.setTimeout(function(){target.fadeOut(500 + 10*i)}, 1000+1000*i);
}