/*
 *  Copyright (C) Seesaa Inc. 2008
 *  All rights reserved.
 */

if(typeof seesaaInterestMatchScriptLoading == 'undefined')
  var seesaaInterestMatchScriptLoading = false;

function seesaaInterestMatchInterface () {
  this.initialize.apply(this, arguments);
}

seesaaInterestMatchInterface.prototype = {
  initialize: function (args) {
    if(args){
      this.id  = args.id;
      this.c   = args.c;
      this.img = args.img;
      this.imSource = args.imSource;
      this.imType   = args.imType;
      this.ctxtId   = args.ctxtId;
      this.ctxtKeywords = args.ctxtKeywords;
      this.traceClick   = args.traceClick;
      this.loadTwice    = args.loadTwice;
      this.grokIM       = args.grokIM;
      this.params       = args.params;
      this.preload      = window.onload;
      this.failedFirst  = false;
      this.loadCounter  = 0;
      this.isSSL        = ("https:" == document.location.protocol);
      this.ads          = [];
    }
  },
  ce: function (tag, attr, innerTxt) {
    var ele = document.createElement(tag);
    if(attr){
      if("id" in attr) {
	ele.setAttribute("id", attr["id"]);
      }
      if("class" in attr) {
	ele.className = attr["class"];
      }
    }
    if(innerTxt) {
      ele.innerHTML = innerTxt;
//      ele.appendChild(document.createTextNode(innerTxt));
    }
    return ele;
  },
  showListings: function () {
    this.beforeShowListings();

    var container = this.ce('div');

    var i=6;
    if(typeof zSr != "undefined"){
      while (i < zSr.length) {
	var text    = zSr[i++];
	var unused1  = zSr[i++];
	var url      = zSr[i++];
	var title    = zSr[i++];
	var sitehost = zSr[i++];
	var imp      = zSr[i++];
	this.ads.push([ title, text, url, sitehost, imp ]);
      }
      zSr = new Array();
    }

    if(this.ads.length == 0 && this.loadTwice && this.failedFirst == false){
      this.failedFirst = true;
      this.loadIM();
      return;
    }

    this.constructHeader(container);
    this.constructListing(container);
    this.constructFooter(container);
      
    var self = this;
    setTimeout(function () {
      var div = document.getElementById(self.id);
      if(div){
	if(div.firstChild){
	  div.replaceChild(container, div.firstChild);
	}
	else {
	  div.appendChild(container);
	}
	self.afterShowListings();
      }
    }, 100);
    seesaaInterestMatchScriptLoading = false;
    this.loadCounter++;
  },
  adboxOrder: function () { return [ 'title', 'text', 'url' ] },
  constructListing: function (container, ads) {
    if ( typeof ads == 'undefined' ) {
      ads = this.ads;
    } 
    var listing = this.ce('div', { "class": "seesaa-adBox" });

    var line = this.ce('div', { "class": "adHr" });
    for(var i=0;i<ads.length;i++){
      if(i==0) container.appendChild(line);
      var title    = ads[i][0];
      var text     = ads[i][1];
      var url      = ads[i][2];
      var sitehost = ads[i][3];
      var imp_counter = ads[i][4];
      
      if(this.traceClick){
	url = this.addRedirector(url);
      }

      var link = this.ce('a', { "class": "seesaa-adLink" });

      link.href = url;
      link.target = '_blank';
      link.title  = text;

      if(this.img){
	var imgHost = this.isSSL ? "https://ssl.seesaa.jp/match" : "http://match.seesaa.jp";
	var image = this.ce('span', { "class" : "adImage" });
	var img     = this.ce('img');
	img.src     = imgHost + '/sitethumb.pl?url=' + encodeURIComponent(sitehost);
	img.onclick = 'window.open("\'' + url + '\' ,\'_blank\')"';
	image.appendChild(img);
	link.appendChild(image);
      }
      
      var box = this.ce('span', { "class": "adBox" });
      var order = this.adboxOrder();
      for(var j=0;j<order.length;j++){
	switch(order[j]){
	case 'title':
	  box.appendChild(this.ce('span', { "class": "adTitle" }, title));
	  break;
	case 'text':
	  box.appendChild(this.ce('span', { "class": "adText"  }, text));
	  break;
	case 'url':
	  box.appendChild(this.ce('span', { "class": "adUrl"   }, sitehost));
	  break;
	}
      }

      if ( imp_counter ) {
	  var img     = this.ce('img');
	  img.src     = imp_counter;
	  img.width   = 0;
	  img.height  = 0;
	  img.border  = 0;
          link.appendChild(img);
      }

      link.appendChild(box);
      link.appendChild(this.ce('span', { "class": "adBoth" }));
      listing.appendChild(link);
      listing.appendChild(line.cloneNode(true));

      if((i + 1) % 2 == 0){
	listing.appendChild(this.ce('span', { "class": "adBoth2" }));
      }
    }

    for(var i=ads.length;i<this.c;i++){
      var empty = this.emptyListing();
      if(empty) {
	if(i==0) container.appendChild(line);
        listing.appendChild(empty, i);
	listing.appendChild(line.cloneNode(true));
      }
    }

    listing.appendChild(this.ce('span', { "class": "adBoth" }));
    container.appendChild(listing);
  },
  constructHeader: function (container, ads) {
  },
  sponsorText: "インタレストマッチ − 広告掲載について",
  sponsorUrl: "http://www.seesaa.co.jp/service/sponsor_guide.html",
  constructFooter: function (container, ads) {
    if ( typeof ads == 'undefined' ) {
      ads = this.ads;
    }
    if(ads.length){
      var spo = this.ce('span', { "class": "adSponsor" });
      var spoLink = this.ce('a', { "class": "adSponsorUrl" }, this.sponsorText);
      spoLink.href   = this.sponsorUrl;
      spoLink.target = '_blank';
      spo.appendChild(spoLink);
      
      container.appendChild(this.ce('span', { "class": "adBoth" }));
      container.appendChild(spo);
    }
  },
  emptyListing: function () {
  },
  beforeShowListings: function () {
  },
  afterShowListings: function () {
  },
  show: function () {
    if(seesaaInterestMatchScriptLoading){
      var self = this;
      setTimeout(function () { self.show() }, 100);
      this.loadCounter++;
    }
    else {
      if(this.loadCounter < 100){
	seesaaInterestMatchScriptLoading = true;
	this.loadIM();
      }
      if(this.loadCounter > 100){
	seesaaInterestMatchScriptLoading = false;
      }
    }
  },
  addRedirector: function (url) {
    return url;
  },
  imUrl: function () {
    if(this.grokIM && grokIMResult){
      this.ctxtKeywords = grokIMResult.keywords;
      this.ctxtId       = grokIMResult.ctxtId;
    }

    var imUrl = (this.isSSL ? 'https://ssl.seesaa.jp/ov_js_flat/?' : 'http://im.seesaa.ov.yahoo.co.jp/js_flat/?')
    + 'source=' + this.imSource
    + '&type='  + this.imType
    + '&ctxtKeywords=' + encodeURIComponent(this.ctxtKeywords.join(','))
    + '&ctxtId='       + encodeURIComponent(this.ctxtId)
    + '&ctxtUrl='      + encodeURIComponent(this.mkCtxtUrl())
    + '&ctxtCat=default_cat'
    + '&keywordCharEnc=utf8'
    + '&outputCharEnc=utf8'
    + '&maxCount=' + this.c
    + '&t='        + (new Date()).getTime()
    + '';
    return imUrl;
  },
  mkCtxtUrl: function () {
    return document.location.href;
  },
  grokIMTargetText: function () {
    var head = document.getElementsByTagName('head')[0];
    var text = [];
    if(head){
      var title = head.getElementsByTagName('title')[0];
      if(title)
	text.push(title.textContent);

      var meta = head.getElementsByTagName('meta');
      for (var i=0;i<meta.length;i++){
	if(meta[i].name == 'description')
	  text.push(meta[i].content);
      }
    }
    return new String(text.join(' '));
  },
  loadIM: function () {
    if(this.grokIM){
      var host = this.isSSL ? "https://ssl.seesaa.jp/match" : "http://match.seesaa.jp";
      var body = this.grokIMTargetText();
      if(body && body.length && body.length > 128){
	body = body.substr(0, 128);
      }
      var sUrl = host + '/kizasi/grokIM.pl?'
      + 'source=' + this.imSource
      + '&body='  + encodeURIComponent(body)
      + '&t='     + (new Date()).getTime()
      + '';
      var self = this;
      this.loadScript(sUrl, function () { self.loadIMScript(); });
    }
    else {
      this.loadIMScript();
    }
  },
  loadIMScript: function () {
    var scriptUrl = this.imUrl();
    if(scriptUrl){
      var self  = this;
      this.loadScript(scriptUrl, function () { self.showListings(); });
    }
    else {
	seesaaInterestMatchScriptLoading = false;
    }
    if(this.preload)
      this.preload();
  },
  loadScript: function (sUrl, onload) {
    var s     = document.createElement('script');
    s.src     = sUrl;
    s.type    = 'text/javascript';
    s.charset = 'utf-8';
    s.onload  = onload;
    
    if( document.all ){
      s.onreadystatechange = function () {
	switch(s.readyState) {
	  case 'loaded' :
	  s.onload();
	  break;
	}
      };
    }
    document.body.appendChild(s);
  },
  END:""
};


var seesaa_gid_candidate = 'boo0100 boo0101 boo0102 boo0103 boo0104 boo0105 boo0200 boo0300 boo0301 boo0302 hea0100 hea0101 hea0102 hea0103 hea0200 hea0201 hea0202 hea0203 hea0204 hea0205 hea0206 hea0300 hea0400 hea0500 hea0501 hea0502 hea0503 edu0000 edu0100 edu0200 edu0201 edu0202 edu0203 edu0204 edu0205 edu0206 edu0207 edu0208 edu0209 edu0300 edu0400 edu0500 edu0600 edu0601 edu0602';

seesaaInterestMatchInterface.prototype.constructListing = function (container) {
  var parent = document.getElementById(this.id);

  var line = this.ce('div', { "class": "adHr" });
  for(var i=0;i<this.ads.length;i++){
    if(i==0) container.appendChild(line);
    title    = this.ads[i][0];
    text     = this.ads[i][1];
    url      = this.ads[i][2];
    sitehost = this.ads[i][3];
    
    var link = this.ce('a', { "class": "seesaa-adLink" });
    
    link.href = url;
    link.target = '_blank';
    link.title  = text;
    
    if(this.img){
      var image = this.ce('span', { "class" : "adImage" });
      var img     = this.ce('img');
      img.src     = "http://match.seesaa.jp/sitethumb.pl?url=" + encodeURIComponent(sitehost);
      img.onclick = 'window.open("\'' + url + '\' ,\'_blank\')"';
      image.appendChild(img);
      link.appendChild(image);
    }
    
    var box = this.ce('span', { "class": "adBox" });

    box.appendChild(this.ce('span', { "class": "adTitle" }, title));
    box.appendChild(this.ce('span', { "class": "adUrl"   }, sitehost));
    box.appendChild(this.ce('span', { "class": "adText"  }, text));
    
    link.appendChild(box);
    link.appendChild(this.ce('span', { "class": "adBoth" }));
    container.appendChild(link);
    container.appendChild(line.cloneNode(true));
  }
  
  for(var i=this.ads.length;i<this.c;i++){
    var empty = this.emptyListing();
    if(empty) {
      if(i==0) container.appendChild(line);
      container.appendChild(empty, i);
      container.appendChild(line.cloneNode(true));
    }
  }
};

if(typeof seesaa_css_path != "undefined")
  document.write('<link rel="stylesheet" href="' + seesaa_css_path + '" type="text/css" />');

if(typeof seesaaImContainer == "undefined") {
  seesaaImContainer = {};
  seesaaImContainerCounter = 0;
  seesaaImContainerMaker = function () {
    seesaaImContainerCounter = seesaaImContainerCounter + 1;
    seesaa_id = 'seesaa-im-container-' + seesaaImContainerCounter;
    seesaaImContainer[seesaa_id] = true;
    document.write('<div id="' + seesaa_id + '" class="' + seesaa_css_class + '"></div>');
  }
}

(function () {
  if(typeof seesaa_id == "undefined"){
    seesaaImContainerMaker();
  }
  else {
    var container = document.getElementById(seesaa_id);
    if(container && seesaa_id in seesaaImContainer){
      if(seesaaImContainer[seesaa_id] == false){
	seesaa_css_class = container.className;
      }
      seesaaImContainerMaker();
    }
    else {
      seesaaImContainer[seesaa_id] = false;
    }
  }
  
  var args = {
    "imSource" : seesaa_im_source,
    "imType"   :"",
    "id"  : seesaa_id,
    "c"   : seesaa_adcount,
    "img" : false,
    "ctxtId" : "",
    "ctxtKeywords" : [],
    "traceClick" : false,
    "loadTwice"  : false,
    "grokIM"     : false,
    "params"     : {}
  };

  function seesaaRandomChoice (arr, c) {
    var list = [];
    while (list.length < c) {
      list.push(arr.splice(Math.floor(Math.random() * arr.length), 1));
    }
    return c == 1 ? list[0] : list;
  }

  if(typeof seesaa_gid_candidate != "undefined"){
    seesaa_gid = seesaaRandomChoice(seesaa_gid_candidate.split(' '), 1);
  }

  if(typeof seesaa_image        != "undefined") args.img          = seesaa_image;
  if(typeof seesaa_im_type      != "undefined") args.imType       = seesaa_im_type;
  if(typeof seesaa_gid          != "undefined") args.ctxtId       = seesaa_gid;
  if(typeof seesaa_keyword_list != "undefined") args.ctxtKeywords = seesaa_keyword_list;
  if(typeof seesaa_other_params != "undefined") args.params       = seesaa_other_params;

  var simf = new seesaaInterestMatchInterface(args);
  window.onload = function () { simf.show(); };
})();