const Name = 'jamazon',
Jamazon = 'http://www.amazon.co.jp/',
ItemMax = 35,
Logo = <a class="logo" href={Jamazon} accesskey="0"
><img border="0" align="middle" width="126" height="28"
src={('http://g-ecx.images-amazon.com/images/G/09/gno/images/general/'+
      'navAmazonLogoFooter._V28243234_.gif')}/></a>,
Base = ''+ <div class={Name}><style><![CDATA[
  ol, ul {margin:0; padding:0; list-style:none}
  button {padding:0; border-width:1px; font:bold 96% monospace}
  .item img {float:right; border:none; margin:0 0.2em 0.2em 0}
  .num, .price {font-weight:bold}
  .num, li {margin:0 0 0.2em}
  .price {white-space:nowrap}
  .price, .author, .label, .features {font-size:88%}
  .features li:before {content: "\2022  "}
  .item, logo {clear:both}
  .logo {display:inline-block}
  .error {font-style:oblique; line-height:1.8}
  .loading + .logo {opacity:0.4}
  .error + .logo {opacity:0.7}
  ]]></style><div id={Name}
> </div></div>.appendChild(Logo),
Categories = {
  'All すべて': ['All', 'aps'],
  'Apparel アパレル＆ファッション雑貨': ['Apparel', 'apparel'],
  'Baby ベビー＆マタニティ': ['Baby', 'baby'],
  'Beauty コスメ': ['Beauty', 'beauty'],
  'Books 和書': ['Books', 'stripbooks'],
  'Classical クラシック音楽': ['Classical', 'classical'],
  'DVD ＤＶＤ': ['DVD', 'dvd'],
  'Electronics 家電＆カメラ': ['Electronics', 'electronics'],
  'ForeignBooks 洋書': ['ForeignBooks', 'english-books'],
  'Grocery 食品＆飲料': ['Grocery', 'grocery'],
  'HealthPersonalCare ヘルス＆ビューティー': ['HealthPersonalCare', 'hpc'],
  'Kitchen ホーム＆キッチン': ['Kitchen', 'kitchen'],
  'Music ミュージック': ['Music', 'popular'],
  'Shoes&Bags シューズ＆バッグ': ['Shoes', 'shoes'],
  'Software PCソフト': ['Software', 'software'],
  'SportingGoods スポーツ＆アウトドア': ['SportingGoods', 'sporting'],
  'Toys&Hobbies おもちゃ＆ホビー': ['Toys', 'toys'],
  'VHS ビデオ': ['VHS', 'vhs'],
  'VideoGames TVゲーム': ['VideoGames', 'videogames'],
  'Watches 時計': ['Watches', 'watch'],
};
function ng(c){
  c.textContent = Array.slice(arguments, 1).join(' ');
  c.className = 'error';
}
function joinq($_, sel, delim)(
  $_.find(sel).map(function() this.textContent).get().join(delim || ' '));
function onfocus(e){
  var b = e.target;
  if(b.nodeName !== "BUTTON") return;
  b.blur();
  b.disabled = true;
  Utils.openUrlInBrowser(b.value);
}
function percentize(c) '%'+ c.charCodeAt().toString(16);
function amazEnc(str)(
  encodeURIComponent(str).replace(/[!*\'()]/g, percentize));
function amazSig(endp, reqp, params){
  var ps = $.extend({
    Timestamp: new Date().toISOString().slice(0, -5) +'Z',
    AssociateTag: 'matyr-22',
    AWSAccessKeyId: '0SP5F78NM10ZVNWWG482',
    SignatureMethod: 'HmacSHA256',
    SignatureVersion: 2,
  }, params);
  var sps = [k +'='+ amazEnc(ps[k]) for(k in ps)].sort().join('&');
  return ('http://'+ endp + reqp +'?'+ sps +'&Signature='+
          amazEnc(Utils.signHMAC('SHA256',
                                 'DlSRkBtC3WDAMjA5fVJO4Fg04omvXYVXs49oNPlo',
                                 ['GET', endp, reqp, sps].join('\n'))));
}
CmdUtils.CreateCommand({
  name: 'jamazon',
  icon: Jamazon +'favicon.ico',
  description: ''+ Logo,
  help: ('[ Categories カテゴリリスト ]<ul>'+
         [<li>{c}</li>.toXMLString() for(c in Categories)].join('') +
         '</ul>'),
  arguments: {
    object: noun_arb_text,
    format: CmdUtils.NounType('category カテゴリ', Categories, 'All'),
  },
  execute: function jam_execute({object: {text}, format: {data}}){
    Utils.openUrlInBrowser(
      (text = Utils.trim(text))
      ? (Jamazon +'s/ref=nb_ss_?tag=matyr-22&__mk_ja_JP='+
         '%E3%82%AB%E3%82%BF%E3%82%AB%E3%83%8A&url=search-alias%3D'+ data[1] +
         '&field-keywords='+ encodeURIComponent(text))
      : Jamazon);
  },
  preview: function jam_preview(pb, {object: {text}, format: {data}}){
    do var cn = pb.ownerDocument.getElementById(Name);
    while(!cn && (pb.innerHTML = Base));
    if(!text) return;
    cn.className += ' loading';
    CmdUtils.previewAjax(pb, {
      url: amazSig('xml-jp.amznxslt.com', '/onca/xml', {
        Service: 'AWSECommerceService',
        Version: '2008-08-19',
        Operation: 'ItemSearch',
        Condition: 'All',
        Merchant: 'All',
        ResponseGroup: 'ItemAttributes,Images',
        SearchIndex: data[0],
        Keywords: text,
      }),
      dataType: 'text',
      success: function jam_success(xml){
        var res = XML(xml.replace(/^\s*<\?[^>]*>/, '')
                      .replace(/ xmlns=".*?"/g, '')),
        em = res..Error.Message;
        if(em[0]) return ng(cn, em);
        var ol = <ol/>, i = 1;
        for each(var it in res.Items.Item){
          var img = it..SmallImage[0],
          attr = it.ItemAttributes,
          price = attr.ListPrice,
          url = it.DetailPageURL +'',
          key = i.toString(ItemMax + 1).toUpperCase(),
          author = [x for each(x in attr.Author)].join(', '),
          label = attr.Label +'',
          features = [x for each(x in attr.Feature)],
          li = (
            <li class="item"><button value={url} accesskey={key}
            >{key}</button><a href={url}><span class="title">{attr.Title +''}
            </span></a><span class="price">{price.FormattedPrice +''}
            </span></li>);
          img && li.prependChild(
            <img src={img.URL} width={img.Width} height={img.Height}/>);
          author && li.appendChild(<div class="author">{author}</div>);
          label && li.appendChild(<div class="label">{label}</div>);
          features.length && li.appendChild(
            features.reduce(function(ul, f) ul.appendChild(<li>{f}</li>),
                            <ul class="features"/>));
          ol.appendChild(li);
          if(++i > ItemMax) break;
        }
        cn.innerHTML =
          <div class="num">Total: {res.Items.TotalResults}</div> + ol;
        cn.addEventListener('focus', onfocus, true);
        cn.className = '';
      },
      error: function jam_error(x, s){
        ng(cn, x.status, x.statusText, '('+ s +')');
      },
    });
  },
  author: 'satyr', license: 'MIT',
});