"use strict";

const conversions = require("webidl-conversions");
const utils = require("./utils.js");
const impl = utils.implSymbol;

function Attr() {
  throw new TypeError("Illegal constructor");
}


Attr.prototype.toString = function () {
  if (this === Attr.prototype) {
    return "[object AttrPrototype]";
  }
  return this[impl].toString();
};
Object.defineProperty(Attr.prototype, "namespaceURI", {
  get() {
    return this[impl].namespaceURI;
  },
  enumerable: true,
  configurable: true
});

Object.defineProperty(Attr.prototype, "prefix", {
  get() {
    return this[impl].prefix;
  },
  enumerable: true,
  configurable: true
});

Object.defineProperty(Attr.prototype, "localName", {
  get() {
    return this[impl].localName;
  },
  enumerable: true,
  configurable: true
});

Object.defineProperty(Attr.prototype, "name", {
  get() {
    return this[impl].name;
  },
  enumerable: true,
  configurable: true
});

Object.defineProperty(Attr.prototype, "nodeName", {
  get() {
    return this[impl].nodeName;
  },
  enumerable: true,
  configurable: true
});

Object.defineProperty(Attr.prototype, "value", {
  get() {
    return this[impl].value;
  },
  set(V) {
    V = conversions["DOMString"](V);
    this[impl].value = V;
  },
  enumerable: true,
  configurable: true
});

Object.defineProperty(Attr.prototype, "nodeValue", {
  get() {
    return this[impl].nodeValue;
  },
  set(V) {
    V = conversions["DOMString"](V, { treatNullAsEmptyString: true });
    this[impl].nodeValue = V;
  },
  enumerable: true,
  configurable: true
});

Object.defineProperty(Attr.prototype, "textContent", {
  get() {
    return this[impl].textContent;
  },
  set(V) {
    V = conversions["DOMString"](V, { treatNullAsEmptyString: true });
    this[impl].textContent = V;
  },
  enumerable: true,
  configurable: true
});

Object.defineProperty(Attr.prototype, "ownerElement", {
  get() {
    return utils.tryWrapperForImpl(this[impl].ownerElement);
  },
  enumerable: true,
  configurable: true
});

Object.defineProperty(Attr.prototype, "specified", {
  get() {
    return this[impl].specified;
  },
  enumerable: true,
  configurable: true
});


module.exports = {
  mixedInto: [],
  is(obj) {
    if (obj) {
      if (obj[impl] instanceof Impl.implementation) {
        return true;
      }
      for (let i = 0; i < module.exports.mixedInto.length; ++i) {
        if (obj instanceof module.exports.mixedInto[i]) {
          return true;
        }
      }
    }
    return false;
  },
  isImpl(obj) {
    if (obj) {
      if (obj instanceof Impl.implementation) {
        return true;
      }

      const wrapper = utils.wrapperForImpl(obj);
      for (let i = 0; i < module.exports.mixedInto.length; ++i) {
        if (wrapper instanceof module.exports.mixedInto[i]) {
          return true;
        }
      }
    }
    return false;
  },
  create(constructorArgs, privateData) {
    let obj = Object.create(Attr.prototype);
    this.setup(obj, constructorArgs, privateData);
    return obj;
  },
  createImpl(constructorArgs, privateData) {
    let obj = Object.create(Attr.prototype);
    this.setup(obj, constructorArgs, privateData);
    return utils.implForWrapper(obj);
  },
  _internalSetup(obj) {
  },
  setup(obj, constructorArgs, privateData) {
    if (!privateData) privateData = {};
    privateData.wrapper = obj;

    this._internalSetup(obj);

    obj[impl] = new Impl.implementation(constructorArgs, privateData);
    obj[impl][utils.wrapperSymbol] = obj;
  },
  interface: Attr,
  expose: {
    Window: { Attr: Attr }
  }
};


const Impl = require("../attributes/Attr-impl.js");