function setLoginMessage(msg='',colour='') {
    var $msgDiv = $('#loginmessage');
    if (msg==='') {
        msg='Access all the pest management service data and reports for your sites via the MyEcolab portal.';
    }
    $msgDiv.html(msg);
    
    if (colour==='') {
        $msgDiv.css({'color':'black','text-align':'left','vertical-align':'top'});
    } else {
        $msgDiv.css({'color':colour,'text-align':'center','vertical-align':'middle'});
    }        
}

function isEmpty(val) {
    if (val) {
	   return ((val===null) || val.length==0 || /^\s+$/.test(val));
	} else {
	   return true;
	}
}

function stopHRefEvent(e) {
  if (e) {
      if (e.preventDefault) {
            e.preventDefault();
      } else if (e.stopPropagation) {
            e.stopPropagation();
      }
      e.returnValue = false;
  }
}


function login_submit(e, $element) {
    stopHRefEvent(e);
    var lstep = $($element).data('step');
    login_submit_helper(lstep);
}    


function login_submit_helper(lstep) {
    
    var custno = $('input#login_custno').val();
    var user = $('input#login_username').val();
    var pwd = $('input#login_password').val();
    
 
    if (lstep == 1) {
        setLoginMessage();
    } else if (lstep == 5 && isEmpty(pwd)) {
        setLoginMessage('Password cannot be left blank','red');
        return;
    } else if (isEmpty(custno) || isEmpty(user)) {
        setLoginMessage('Fields cannot be left blank','red');
        lstep = 1;
    } else if (lstep == 3 || lstep == 4)  {

        if (lstep == 3) {
            setLoginMessage('An email has been sent with your temporary password.  It may take several minutes to reach you.','blue');
        } else {
            setLoginMessage('Please enter your password','blue');
        }            

        var submitbutton = $('#loginsubmit');
        submitbutton.val('Log in');
        submitbutton.data('step','5');
        submitbutton.show();
        
        $('.loginstep5').show();
        $('#loginsubmitblock').show();
        $('#login_password').focus();
        
        return;
    }
    
    if (lstep == 1) {

        $('.loginstep1').prop('readonly', false);
        // $('.loginstep1').css('background-color', '');
        $('.loginstep5').hide();
        
        var submitbutton = $('#loginsubmit');
        submitbutton.val('Next');
        submitbutton.data('step','2');
        submitbutton.show();
        
        $('#loginsubmitblock').show();
        
    } else {
        
        $('.loginstep1').prop('readonly', true);        
        // $('.loginstep1').css('background-color', '#999');
        
        $('#loginsubmitblock').hide();
        setLoginMessage('Loading...','blue');
        
        if ((lstep == 2) || (lstep == 5)) {
        
            var jsonData;

            if (lstep == 2) {
                jsonData = {op:"prechkuser", login_custno: custno, login_username:user};
            } else {
                jsonData = {op:"chklogin", login_custno: custno, login_username:user, login_password:pwd};
            }                

            $.ajax({
                    type: "POST",
                    url: 'index.php',
                    data: jsonData,
                    dataType: "json",
                    async: true
                }
            ).done(function (json) {
                    
                    if (json.success == 1) {
                        if (lstep == 2) {
                            if (json.sndeml) {
                                sendTmpPassword(custno,user);
                            } else {
                                login_submit_helper(4);
                            }
                        } else {
                            
                            if (json.newpwd) {
                                                        
                               if(typeof document.MyEcolabJSLoaded == "undefined") {
                                   $.getScript('resources/scripts/myecolab.js.php', function() {
                                       window.pwdChange(true,'Index.php','Index.php?logout=1');
                                   });
                               } else {
                                   window.pwdChange(true,'Index.php','Index.php?logout=1');
                               }
                                
                            } else {
                               window.location.replace('Index.php'); 
                            }
                            
                        }
                        
                    } else {
                        if (! isEmpty(json.errormessage)) {
                            setLoginMessage(json.errormessage,'red');
                        } else {    
                            setLoginMessage('Server Error','red');
                        }  
                        $('#loginsubmitblock').show();
                    }        

                }
                
            ).fail(function (jqXHR, textStatus, errorThrown) {
                    setLoginMessage('Server Error','red');
                    $('#loginsubmitblock').show();
                }   
            );                 
            
        }
    
    }
    
}


function sendTmpPassword(custno,user) {
    
    setLoginMessage('Sending password email...','blue');
    var jsonData = {op:"resetpwd", login_custno: custno, login_username:user};

    $.ajax({
            type: "POST",
            url: 'index.php',
            data: jsonData,
            dataType: "json",
            async: true
        }
    ).done(function (json) {

            if (json.success == 1) {
                login_submit_helper(3);
            } else {    
                setLoginMessage('Server Error','red');
            }  
            
        }
        
    ).fail(function (jqXHR, textStatus, errorThrown) {
           setLoginMessage('Server Error','red');
        }   
    );                 
    
}




function loadResetModal(e) {
    
    stopHRefEvent(e);
    
    var custno = $('input#login_custno').val();
    var user = $('input#login_username').val();
    var $pg = "index.php?op=resetmodal&login_custno="+encodeURIComponent(custno)+"&login_username="+encodeURIComponent(user);
    
    $('.reset_24928FE2_1647_4C27_BA34_8DEFA089F4F3').remove();
    
    var $dialog = $('<div class="reset_24928FE2_1647_4C27_BA34_8DEFA089F4F3"><img src="resources/images/colorbox/loading.gif" alt="loading" class="loading"></div>')
                  .load($pg)
                  .dialog({
                       autoOpen: false,
                       title: 'Reset your Password',
                       width: 800,
                       height: 475,
                       closeOnEscape: true,
                       modal: true,
                       buttons: {
                              "Close": function () {$(this).dialog("close"); $('.reset_24928FE2_1647_4C27_BA34_8DEFA089F4F3').remove();$('#login_password').focus();}
                       }
                  });
    $dialog.dialog('open');
    return false;
    
}


function setResetMessage(msg='',colour='') {

    var $msgDiv = $('#reset_msgdiv');

    if (msg==='') {
        msg = '<b>A temporary password has been requested.</b><br>If you do not receive the email within 10 minutes ';
        msg += 'please check the login details and try again or call our Customer Service Centre on 0800 789 600. ';
        msg += 'Alternatively you can send an email to MyEcolabHelp.UK@ecolab.com';
        if (colour==='') {
            colour='blue';
        }
    }

    $msgDiv.html(msg);
    
    if (colour!=='') {
        $msgDiv.css({'color':colour});
    }        

}


function resetLoginPwd(e) {

    stopHRefEvent(e);
    
    $btn = $('#reset_submit_btn');
    $btn.hide();
    
    var custno = $('input#reset_custno').val();
    var user = $('input#reset_username').val();
    var jsonData = {op:"resetpwd", login_custno: custno, login_username:user};

    setResetMessage('Requesting password email...','blue');

    $.ajax({
            type: "POST",
            url: 'index.php',
            data: jsonData,
            dataType: "json",
            async: true
        }
    ).done(function (json) {
            if (json.success == 1) {
                setResetMessage();
            } else {    
                setResetMessage('Server Error','red');
                $btn.show();
            }  
        }
        
    ).fail(function (jqXHR, textStatus, errorThrown) {
           setResetMessage('Server Error','red');
           $btn.show();
        }   
    );                 

    
}