/**
 * 
 * @author hank
 * @since CEV 3.1
 * @date 2015-06-15
 * @PatchNo CEV2-01-01-09 
 */
var C_PRIVATE_MAIL = document.getElementById("C_PRIVATE_MAIL");
var email_status_tip = document.getElementById("email_status_tip");


window.onload = function() {
  onInit();
}

function onInit(){
  try {
    C_PRIVATE_MAIL.onchange = function(){
      if(!/^(\w)+(\.\w+)*@([\w\-])+((\.\w{2,3}){1,3})$/.test(C_PRIVATE_MAIL.value)){
        email_status_tip.style.background = "url(../Images/default/form/icon-error.gif) no-repeat 0% 50%";
      }else {
        email_status_tip.style.background = "url(../Images/default/dd/drop-yes.gif) no-repeat 0% 50%";
      }
    }
  } catch (e) {
      showExcpt("SYS_Forgot_Password", e);
  }
}

function initForm(){
  try {
    var prim_continue = document.getElementById("prim_continue");
    var prim_previous = document.getElementById("prim_previous");
    var prim_confirm = document.getElementById("prim_confirm");
    var labLoginID = document.getElementById("labLoginID");
    var oSelUser = document.getElementById("oSelUser");
    C_PRIVATE_MAIL.value = "";
    C_PRIVATE_MAIL.removeAttribute("readonly");
    prim_continue.style.display = "block";
    prim_previous.style.display = "none";
    prim_confirm.style.display = "none";
    labLoginID.style.display = "none";
    oSelUser.style.display = "none";
    email_status_tip.style.display = "block";
    email_status_tip.style.background = "";
    //CEV2-01-01-10 wayne modify 2016-03-09s 
    //remove if exits
    rmNode("C_USER_ID");
    rmNode("C_UNIT_CODE");
    //CEV2-01-01-10 wayne modify 2016-03-09e
  } catch (e) {
      showExcpt("SYS_Forgot_Password", e);
  }
}

//input check
function chkInput() {
  try {
    var C_PRIVATE_MAIL = document.getElementById("C_PRIVATE_MAIL").value;
    var sErrMsg = '';
    
    if(!/^(\w)+(\.\w+)*@([\w\-])+((\.\w{2,3}){1,3})$/.test(C_PRIVATE_MAIL)){
      sErrMsg = 'Email address is not in the right format!';
      //sErrMsg = _getClientMessage(90126);
    }
    
    if(C_PRIVATE_MAIL == ""){
      sErrMsg = 'Email address should not be empty!';
      //sErrMsg = _getClientMessage(90126);
    }
    
    if (sErrMsg.length == 0) {
            return true;
        }else {
            showMsg(sErrMsg);
            return false;
        }
  } 
  catch (e) {
      showExcpt("SYS_Forgot_Password", e);
  }
}

function getMultiUserByAjax() {
  try {
    var oForm = document.getElementById("MAINFORM");
    var actionUrl="../servlets/PasswordManager";
    actionUrl=encodeUrl(actionUrl);
    oForm.action = actionUrl;
    oForm.method = "post";
    postFormByAjax(oForm, _callback);
  } catch (e) {
    showExcpt("SYS_Forgot_Password", e);
  }
}

function _callback(xmlhttp){
try {
  var prim_continue = document.getElementById("prim_continue");
  var prim_previous = document.getElementById("prim_previous");
  var prim_confirm = document.getElementById("prim_confirm");
  var labLoginID = document.getElementById("labLoginID");
  var oSelUser = document.getElementById("oSelUser");
  var respTxt = xmlhttp.responseText;
  var obj = JSON.parse(respTxt);

  if (obj.errMsg) {
      oSelUser.style.display = "none";
      showMsg(obj.errMsg);
  } 
  //CEV2-01-01-10 wayne modify 2015-12-10s 
  else if(obj.uniqueUser){
      _SendLink_Confirm();
  }
  //CEV2-01-01-10 wayne modify 2015-12-10e 
  else {
      var int_len_userInfos = obj.userInfos.length;
      C_PRIVATE_MAIL.setAttribute("readonly", true);
      email_status_tip.style.display = "none";
      labLoginID.style.display = "block";
      // show selection
      oSelUser.style.display = "block"; 
      prim_continue.style.display = "none";
      prim_previous.style.display = "block";
      prim_confirm.style.display = "block";
      // show selection
      oSelUser.options.length = 0; 

      for (var i = 0; i < int_len_userInfos; i++) {
    //CEV2-01-01-10 wayne modify 2015-12-10s 
    var OBJ_C_UNIT_NAME = obj.userInfos[i].C_UNIT_NAME;
    //CEV2-01-01-10 wayne modify 2015-12-10e
    var OBJ_C_USER_ID = obj.userInfos[i].C_USER_ID;
    var OBJ_C_USER_DESC = obj.userInfos[i].C_USER_DESC;
    //CEV2-01-01-10 wayne modify 2015-12-10s 
    var sOpText = "";
    var sOpValue = OBJ_C_USER_ID;
    if(OBJ_C_USER_DESC.length <= 4){
        sOpText = OBJ_C_USER_DESC;
    }else{
        sOpText = OBJ_C_USER_DESC.substring(0, 2) + "****" + OBJ_C_USER_DESC.substring(OBJ_C_USER_DESC.length-2);
    }
    if(typeof OBJ_C_UNIT_NAME != 'undefined'){
        sOpText += "/" + OBJ_C_UNIT_NAME;
        sOpValue += "," + OBJ_C_UNIT_NAME;
    }
    var opt = new Option(sOpText, sOpValue);
    oSelUser.options.add(opt);
      }
      //CEV2-01-01-10 wayne modify 2016-03-09s 
      var formObj = document.getElementById("MAINFORM");
      genHiddenFld(formObj, "C_USER_ID", obj.userInfos[0].C_USER_ID, "");
      if(typeof obj.userInfos[0].C_UNIT_NAME != 'undefined'){
        genHiddenFld(formObj, "C_UNIT_NAME", obj.userInfos[0].C_UNIT_NAME, "");
      }
      //CEV2-01-01-10 wayne modify 2016-03-09e
      //CEV2-01-01-10 wayne modify 2015-12-10e
  }
  
    } catch (e) {
      showExcpt("SYS_Forgot_Password", e);
  }
}

//continue
function _SendLink_Continue(){
  try {
    var _FUNC = document.getElementById("_FUNC");
    var C_PRIVATE_MAIL = document.getElementById("C_PRIVATE_MAIL");
    
    _FUNC.value = "FORGOTPASSWORD";
    
    if(chkInput()){
      getMultiUserByAjax();
      return true;
    } else {
      return false;
    }
  } catch (e) {
      showExcpt("SYS_Forgot_Password", e);
  }
}

//confirm
function _SendLink_Confirm() {
  try {
    var _FUNC = document.getElementById("_FUNC");
    var oSelUser = document.getElementById("oSelUser");
    var oForm = document.getElementById("MAINFORM");
    var actionUrl = "../servlets/PasswordManager";
    _FUNC.value = "RESETPASSWORD";

    if(chkInput()){
      oSelUser.style.disabled = "disabled";
      actionUrl=encodeUrl(actionUrl);
      oForm.action = actionUrl;
      oForm.method = "post";
          submitForm(oForm,actionUrl);
    }
  } catch (e) {
      showExcpt("SYS_Forgot_Password", e);
  }
}

//choose user account
function selectUserEvent(){
  try {
    var C_USER_ID = document.getElementById("C_USER_ID");
    //CEV2-01-01-10 wayne modify 2015-12-10s 
    var C_UNIT_NAME = document.getElementById("C_UNIT_NAME");
    //CEV2-01-01-10 wayne modify 2015-12-10e
    var oSelUser = document.getElementById("oSelUser");
    var selValue = oSelUser.options[oSelUser.selectedIndex].value;
    var valArr = selValue.split(",");
    
    C_USER_ID.value = valArr[0];
    //CEV2-01-01-10 wayne modify 2016-03-09s 
    //CEV2-01-01-10 wayne modify 2015-12-10s 
    if(typeof valArr[1] != 'undefined'){
        C_UNIT_NAME.value = valArr[1];
    }
    //CEV2-01-01-15 bruce modify 2017-02-28s
    else if(C_UNIT_NAME!=null){
        C_UNIT_NAME.value = "";
    }
	//CEV2-01-01-15 bruce modify 2017-02-28e
    //CEV2-01-01-10 wayne modify 2015-12-10e
    //CEV2-01-01-10 wayne modify 2016-03-09e
  } catch (e) {
      showExcpt("SYS_Forgot_Password", e);
  }
}

function back(){
  initForm();
}