"use strict";
  const HTMLElementImpl = require("./HTMLElement-impl").implementation;
  const { isDisabled, formOwner } = require("../helpers/form-controls");
  const DefaultConstraintValidationImpl =
    require("../constraint-validation/DefaultConstraintValidation-impl").implementation;
  const { mixin } = require("../../utils");
  const { getLabelsForLabelable } = require("../helpers/form-controls");
  
  class HTMLButtonElementImpl extends HTMLElementImpl {
    constructor(globalObject, args, privateData) {
      super(globalObject, args, privateData);
  
      this._customValidityErrorMessage = "";
      this._labels = null;
  
      this._hasActivationBehavior = true;
    }
  
    _activationBehavior() {
      const { form } = this;
      if (form && !isDisabled(this)) {
        if (this.type === "submit") {
          form._doSubmit();
        }
        if (this.type === "reset") {
          form._doReset();
        }
      }
    }
  
    _getValue() {
      const valueAttr = this.getAttributeNS(null, "value");
      return valueAttr === null ? "" : valueAttr;
    }
  
    get labels() {
      return getLabelsForLabelable(this);
    }
  
    get form() {
      return formOwner(this);
    }
  
    get type() {
      const typeAttr = (this.getAttributeNS(null, "type") || "").toLowerCase();
      switch (typeAttr) {
        case "submit":
        case "reset":
        case "button":
          return typeAttr;
        default:
          return "submit";
      }
    }
  
    set type(v) {
      v = String(v).toLowerCase();
      switch (v) {
        case "submit":
        case "reset":
        case "button":
          this.setAttributeNS(null, "type", v);
          break;
        default:
          this.setAttributeNS(null, "type", "submit");
          break;
      }
    }
  
    _barredFromConstraintValidationSpecialization() {
      return this.type === "reset" || this.type === "button";
    }
  }
  
  mixin(HTMLButtonElementImpl.prototype, DefaultConstraintValidationImpl.prototype);
  
  module.exports = {
    implementation: HTMLButtonElementImpl
  };