var HealthForm = Class.create();
HealthForm.prototype =
{
  initialize: function(form_id){
    if ( $("health-info") ) {
      this.initializeHealthDisplay();
      this.initializeRequiredHealthFields();
      this.initializeHealthEvents();
    }
    if ( $("senior-health-info") ) {
      this.initializeRequiredSeniorFields();
    }
    this.lockReturnKey = false;
    this.form_elements = this.getErrorElements();
    this.step          = 1;
    this.is_valid      = true;
  },
  /***************************************************************************************************
   *initialize the elements of the form, hide and show as directed
   */
  initializeHealthDisplay : function(){
    $("spouse-row").show();
    $("number_of_children_row").show();
    showChildren($("number_of_children"));
    this.showExistingCarrier();
    this.showTakesMedications();
    this.showPreExisting();
  },
  /*************************************************
   *initialize the validations for required elements
   */
  initializeRequiredHealthFields : function() {
    // coverage section (applicant)
    $("gender1_error").addClassName("required");
    $("dob1_on_error").addClassName("validate-dob");
    $("insured1_height_error").addClassName("validate-height");
    $("insured1_weight_error").addClassName("validate-weight");
    // health info section
    $("reqdate_begin_error").addClassName("validate-request-date");
    // contact info section
    $("first_name_error").addClassName("validate-alpha");
    $("last_name_error").addClassName("validate-alpha");
    $("address1_street1_error").addClassName("required");
    $("address1_city_error").addClassName("validate-alpha");
    if ( $("address1_state_error") ) {
      $("address1_state_error").addClassName("validate-state");
    }
    if ( $("address1_zip_error") ) {
      $("address1_zip_error").addClassName("validate-zip");
    }
    $("phone1_error").addClassName("validate-phone");
    $("email1_error").addClassName("validate-email");
    $("privacy_policy_error").addClassName("validate-privacy");     
  },
  initializeRequiredSeniorFields : function() {
    if ( $("has_medicare_a_b_error") ) $("has_medicare_a_b_error").addClassName("validate-one-selected");
    if ( $("has_esrd_error") ) $("has_esrd_error").addClassName("validate-one-selected");
  },
  /***************************************************************************************************
   *add event listeners for submit button, return key and custom onclick/onchange
   */
  initializeHealthEvents : function(){
    Event.observe(document, "keypress", this.validateOnReturnKey.bindAsEventListener(this));
    Event.observe("submit", "click", this.validateFields.bindAsEventListener(this));
    Event.observe("takes_medications_1", "click", this.showTakesMedications.bindAsEventListener(this));
    Event.observe("takes_medications_0", "click", this.showTakesMedications.bindAsEventListener(this));
    Event.observe("pre_existing_1", "click", this.showPreExisting.bindAsEventListener(this));
    Event.observe("pre_existing_0", "click", this.showPreExisting.bindAsEventListener(this));
    Event.observe("has_existing_carrier_1", "click", this.showExistingCarrier.bindAsEventListener(this));
    Event.observe("has_existing_carrier_0", "click", this.showExistingCarrier.bindAsEventListener(this));
    Event.observe("gender2", "change", function(e){ spouseValidation(); Event.stop(e); });
    Event.observe("dob2_mm_on", "keyup", function(e){ spouseValidation(); Event.stop(e); });
    Event.observe("dob2_dd_on", "keyup", function(e){ spouseValidation(); Event.stop(e); });
    Event.observe("dob2_yyyy_on", "keyup", function(e){ spouseValidation(); Event.stop(e); });
    Event.observe("insured2_height_feet", "change", function(e){ spouseValidation(); Event.stop(e); });
    Event.observe("insured2_height_inches", "change", function(e){ spouseValidation(); Event.stop(e); });
    Event.observe("insured2_weight", "keyup", function(e){ spouseValidation(); Event.stop(e); });
    Event.observe("number_of_children", "change", function(e){
      showChildren($("number_of_children"));
      Event.stop(e);
    });
  },
  /***************************************************************************************************
   *show/add functions
   *takes hidden row, element and validation to apply/remove
   */
  showAddValidations: function(name, element, validation_name){
    var name = String(name);
    $$(name).each(function(element){ element.show(); });
    $(element.id).addClassName(validation_name);
  },
  hideRemoveValidations: function(name, element, validation_name){
    var name = String(name);
    $$(name).each(function(element){ element.hide(); });
    $(element.id).hide();
    $(element.id).removeClassName(validation_name);
  },
  validateFields: function(e){
    this.form_elements = $$(".error");
    var form      = new Validator(this.form_elements);
    this.is_valid    = form.isFormValid();
    if($("pre_existing_1").checked){
      if(!isAnyChecked("pre_existing_conditions_row")){
        this.is_valid = false;
      }
    }
    if (this.is_valid) {
      window.onbeforeunload = null;
    } else {
      if (e) Event.stop(e);
    }
  },
  validateOnReturnKey: function(e){
    if(e.keyCode == Event.KEY_RETURN){
      this.validateFields(e);
      Event.stop(e);
    }
  },
  getErrorElements: function(){
    return $$("error");
  },
  /***************************************************************************************************
   *Custom functions
   */
  showTakesMedications : function(){
    if($("takes_medications_1").checked){
      this.showAddValidations("#insured1_current_medications_detail_row",$("insured1_current_medications_detail_error"),"required");
    }else{
      this.hideRemoveValidations("#insured1_current_medications_detail_row",$("insured1_current_medications_detail_error"),"required");
      $("insured1_current_medications_detail").clear();
    }
  },
  showPreExisting : function(){
    if($("pre_existing_1").checked){
      $("pre_existing_conditions_row").show();
    }else{
      $("pre_existing_conditions_row").hide();
      var PECs = Form.getElements($("pre_existing_conditions_row"));
      PECs.each(function(e){ return (e.checked = false); });
    }
  },
  showExistingCarrier : function(){
    ($("has_existing_carrier_1").checked) ? this.showAddValidations("#existing_carrier_row",$("existing_carrier_error"),"required") : this.hideRemoveValidations("#existing_carrier_row",$("existing_carrier_error"),"required");
  }
}
function spouseValidation(){
  if($("gender2").value != ""    || $("dob2_mm_on").value != ""   ||
    $("dob2_dd_on").value != "" || $("dob2_yyyy_on").value != "" ||
    $("insured2_height_feet").value != "" || $("insured2_height_inches").value != "" ||
    $("insured2_weight").value != ""){
    $("gender2_error").addClassName("required");
    $("dob2_on_error").addClassName("validate-dob");
    $("insured2_height_error").addClassName("validate-height");
    $("insured2_weight_error").addClassName("validate-weight");
  }else{
    $("gender2_error").removeClassName("required");
    $("dob2_on_error").removeClassName("validate-dob");
    $("insured2_height_error").removeClassName("validate-height");
    $("insured2_weight_error").removeClassName("validate-weight");
    clearErrorMessage("gender2_error");
    clearErrorMessage("dob2_on_error");
    clearErrorMessage("insured2_height_error");
    clearErrorMessage("insured2_weight_error");
    $("dob2_mm_on").clear();
    $("dob2_dd_on").clear();
    $("dob2_yyyy_on").clear();
    $("insured2_height_feet").clear();
    $("insured2_height_inches").clear();
    $("insured2_weight").clear();
  }
}
function isEmptyInsured(insured){
  var gender  = isEmptyGender(insured);
  var dob   = isEmptyDob(insured);
  var height  = isEmptyHeight(insured);
  var weight  = isEmptyWeight(insured);
  return (gender && dob && height && weight);
}
function isEmptyGender(insured){
  return (($F("gender" + insured) == ""));
}
function isEmptyDob(insured){
  return (($F("dob" + insured + "_mm_on") == "") && ($F("dob" + insured + "_dd_on") == "") && ($F("dob" + insured + "_yyyy_on") == ""));
}
function isEmptyHeight(insured){
  return (($F("insured" + insured + "_height_feet") == ""));
}
function isEmptyWeight(insured){
  return (($F("insured" + insured + "_weight") == ""));
}
function showSpouse(){
  if($F("has_spouse") == 1){
    $("add-spouse").hide();
    $("spouse-row").show();
    spouseValidation();
  }else{
    $("add-spouse").show();
    $("spouse-row").hide();
    spouseValidation();
  }
}
function showChildren(el) {
  var num_children = $F(el);
  for (var i = 1;i <= 5; i++) {
    var id   = "child_option" + i;
    var insured = i + 2;
    if ( i <= num_children ) {
      $(id).show();
      changeValidationForInsured(insured, true);
    } else {
      $(id).hide();
      $("gender" + insured).value = "";
      changeValidationForInsured(insured, false);
    }
  }
}
function toggleAddChild(){
  var num_children = $F("number_of_children");
  if(num_children == 5){
    $("add-child").hide();
  }else{
    $("add-child").show();
  }
}
function shiftChildren(child_removed){
  var packed_children = new Array();
  var insured_kid     = 3;
  var total_children  = 0;
  var start_total     = $F("number_of_children");
  //Shift children down
  for (i=3; i<=7; i++) {
      if(
          $F("gender" +1) != "" && $F("insured" +  i + "_height_feet") != "" && $F("insured" +  i + "_height_inches") != "" &&
          $F("dob" +  i + "_yyyy_on") != "" && $F("dob" +  i + "_mm_on") != "" && $F("dob" +  i + "_dd_on") != ""
        ){
        if(i < child_removed){
          packed_children["gender" + insured_kid]                     = $F("gender" + i);
          packed_children["insured" + insured_kid + "_height_feet"]   = $F("insured" +  i + "_height_feet");
          packed_children["insured" + insured_kid + "_height_inches"] = $F("insured" +  i + "_height_inches");
          packed_children["insured" + insured_kid + "_weight"]        = $F("insured" +  i + "_weight");
          packed_children["is_smoker" + insured_kid + "_1"]           = $("is_smoker" +  i + "_1").checked;
          packed_children["is_student" + insured_kid + "_1"]          = $("is_student" +  i + "_1").checked;
          packed_children["dob" + insured_kid + "_yyyy_on"]           = $F("dob" +  i + "_yyyy_on");
          packed_children["dob" + insured_kid + "_mm_on"]             = $F("dob" +  i + "_mm_on");
          packed_children["dob" + insured_kid + "_dd_on"]             = $F("dob" +  i + "_dd_on");
          insured_kid++;
        }else if (i > child_removed){
          if($F("gender" + i) != ""){
            packed_children["gender" + insured_kid]                     = $F("gender" + i);
            packed_children["insured" + insured_kid + "_height_feet"]   = $F("insured" +  i + "_height_feet");
            packed_children["insured" + insured_kid + "_height_inches"] = $F("insured" +  i + "_height_inches");
            packed_children["insured" + insured_kid + "_weight"]        = $F("insured" +  i + "_weight");
            packed_children["is_smoker" + insured_kid + "_1"]           = $("is_smoker" +  i + "_1").checked;
            packed_children["is_student" + insured_kid + "_1"]          = $("is_student" +  i + "_1").checked;
            packed_children["dob" + insured_kid + "_yyyy_on"]           = $F("dob" +  i + "_yyyy_on");
            packed_children["dob" + insured_kid + "_mm_on"]             = $F("dob" +  i + "_mm_on");
            packed_children["dob" + insured_kid + "_dd_on"]             = $F("dob" +  i + "_dd_on");
            insured_kid++;
          }
        }
      }
    }
    for (i=3; i<=7; i++) {
      if(i < insured_kid){
        $("insured" +  i + "_height_feet").value    = packed_children["insured" +  i + "_height_feet"];
        $("insured" +  i + "_height_inches").value  = packed_children["insured" +  i + "_height_inches"];
        $("insured" +  i + "_weight").value         = packed_children["insured" +  i + "_weight"];
        $("gender" +  i + "").value                 = packed_children["gender" +  i + ""];
        $("is_smoker" +  i + "_1").checked          = packed_children["is_smoker" +  i + "_1"];
        $("is_student" +  i + "_1").checked         = packed_children["is_student" +  i + "_1"];
        $("dob" +  i + "_yyyy_on").value            = packed_children["dob" +  i + "_yyyy_on"];
        $("dob" +  i + "_mm_on").value              = packed_children["dob" +  i + "_mm_on"];
        $("dob" +  i + "_dd_on").value              = packed_children["dob" +  i + "_dd_on"];
      }else{
        if(packed_children["gender" + i] != undefined){
          changeValidationForInsured(i, false);
        }
      }
    }
    $("number_of_children").value = start_total - 1;
    showChildren($("number_of_children"))
}
function changeValidationForInsured(insured, add_validations) {
  var id     = "gender" + insured;
  var gender = $F(id);
  if ( add_validations ) {
    $(id + "_error").addClassName("required");
    $("insured" + insured + "_height_error").addClassName("validate-height");
    $("insured" + insured + "_weight_error").addClassName("validate-weight");
    $("dob" + insured + "_on_error").addClassName("validate-child-dob");
  } else {
    $(id).clear();
    $("insured" + insured + "_height_feet").clear();
    $("insured" + insured + "_height_inches").clear();
    $("insured" + insured + "_weight").value = "";
    $("dob" + insured + "_mm_on").value = "";
    $("dob" + insured + "_dd_on").value = "";
    $("dob" + insured + "_yyyy_on").value = "";
    $(id + "_error").removeClassName("required");
    $("insured" + insured + "_height_error").removeClassName("validate-height");
    $("insured" + insured + "_weight_error").removeClassName("validate-weight");
    $("dob" + insured + "_on_error").removeClassName("validate-child-dob");
    $(id + "_error").hide();
    $("insured" + insured + "_height_error").hide();
    $("insured" + insured + "_weight_error").hide();
    $("dob" + insured + "_on_error").hide();
  }
}
function isAnyChecked(parent_id){
  var is_valid = true;
  is_valid   = Form.getElements($(parent_id)).any(function(e){ return (e.checked); });
  if(!is_valid){
    $("pre_existing_conditions_error").addClassName("error");
  }else{
    $("pre_existing_conditions_error").removeClassName("error");
  }
  return is_valid
}
if (!(BrowserDetect.browser == "Explorer" && BrowserDetect.version < 6)) {
  FastInit.addOnLoad(function() {
    var health_form = new HealthForm();
  });
}