/**
 * Created by yanggx on 17-6-9 009.
 */
(function() {
    var queryString = document.location.search.substring(1);
    var params = parseQueryString(queryString);
    var objectId = params.objectid;
    if (!objectId) {
        alert("参数错误");
        return;
    }
    
    // 金山区，学校数图读书时，二级目录、IE阅读有问题
    // 不使用，请注释掉
    //-------------------------------------------
    var context="";
    var referer = document.location;
    if(referer) {
        var result = /\/(s310116[0-9]{3}[c|d])\//.exec(referer);
        if(result && result.length > 1) {
            context = "/"+result[1];
        }
    }
    ppath = context + ppath;

    //服务器地址
    serverUrl = "http://" + window.location.host;
    //单页文件获取地址，不要传页数
    pdfUrl = serverUrl + ppath + "/fetchPdfPage.action?objectId=" + objectId + "&pageNum=";
    //目录获取地址
    contentUrl = serverUrl + ppath + "/fetchPdfCatalog.action?objectId=" + objectId;
    //总页数获取地址
    pageUrl = serverUrl + ppath + "/fetchPdfTotalPage.action?objectId=" + objectId;
})();
function parseQueryString(query) {
    var parts = query.split('&');
    var params = {};
    for (var i = 0, ii = parts.length; i < ii; ++i) {
        var param = parts[i].split('=');
        var key = param[0].toLowerCase();
        var value = param.length > 1 ? param[1] : null;
        params[decodeURIComponent(key)] = decodeURIComponent(value);
    }
    return params;
}
function displaySel(type){
  var obj = document.getElementById("sel_list");
  if(type == 1){
    obj.style.display="block";
  }else if(type == 2){
    obj.style.display="none";
  }
}
function changeEvent(object, eventName){
  //模拟change事件，调用pdfjs缩放功能
  var ev = document.createEvent("HTMLEvents");
  ev.initEvent(eventName, false, true);
  object.dispatchEvent(ev);
}
function zoom(size) {
  var select = document.getElementById("scaleSelect");
  select.value = size;
  changeEvent(select, "change");
  var zoomValue = document.getElementById("zoomValue");
  if(size === 'page-actual'){
    zoomValue.value = "实际大小";
  }
  else {
    zoomValue.value = size * 100 + "%";
  }
  /*$(".sel_list span").attr("class","");
  $("#selFit img").attr("class","");*/
  var nodes = document.getElementById("sel_list").childNodes;
  for(var i in nodes){
    var node = nodes[i];
    if(node !== undefined){
      node.className = "";
    }
  }
  document.getElementById(size).className="on";
  clearFitClass();
}
function selFit(id){
  var select = document.getElementById("scaleSelect");
  if(id == "width"){
    select.value = 'page-width';
  }else if(id == "height"){
    select.value = 'page-fit';
  }
  changeEvent(select, "change");
  clearFitClass();
  document.getElementById(id).className="on";
}
function clearFitClass(){
  document.getElementById("height").className="";
  document.getElementById("width").className="";
}
function selMode(id){
  var reading = document.getElementById("reading");
  var choose = document.getElementById("choose");
  if(id == "choose"){
    if(choose.className == "on")
      return;
    if(reading.className !== "on"){
      choose.className = "on";
      return;
    }
    reading.className="";
  }else if(id == "reading"){
    if(reading.className == "on")
      return;
    choose.className="";
  }
  var toggle = document.getElementById("toggleHandTool");
  changeEvent(toggle, "click");
  document.getElementById(id).className="on";
}
function displayDiv(divId){
  var commentDiv = document.getElementById("bookCommentDiv");
  var itemDiv = document.getElementById("outlineView");
  var noteDiv = document.getElementById("bookNoteDiv");

  if(divId){
    var obj = document.getElementById(divId);
  }else{
    itemDiv.style.display = "none";
    commentDiv.style.display = "none";
    noteDiv.style.display = "none";
    document.getElementById("aBootItemId").className="catalog";
    document.getElementById("aBootNoteId").className="note";
    document.getElementById("aBootCommentId").className="comment";
    //调整pdf显示区域大小
    changeViewerSize(80);
    return;
  }
  //调整pdf显示区域大小
  changeViewerSize(360);
  if(divId=="bookCommentDiv"){
    noteDiv.style.display = "none";
    itemDiv.style.display = "none";
    commentDiv.style.display = "block";
    document.getElementById("aBootItemId").className="catalog";
    document.getElementById("aBootNoteId").className="note";
    document.getElementById("aBootCommentId").className="comment comment_on";
  }
  else if(divId=="outlineView"){
    itemDiv.style.display = "block";
    commentDiv.style.display = "none";
    noteDiv.style.display = "none";
    document.getElementById("aBootItemId").className="catalog catalog_on";
    document.getElementById("aBootNoteId").className="note";
    document.getElementById("aBootCommentId").className="comment";
  }
  else if(divId=="bookNoteDiv"){
    itemDiv.style.display = "none";
    commentDiv.style.display = "none";
    noteDiv.style.display = "block";
    document.getElementById("aBootItemId").className="catalog";
    document.getElementById("aBootNoteId").className="note note_on";
    document.getElementById("aBootCommentId").className="comment";
  }
}
function changeViewerSize(size) {
  //调整左侧菜单大小
  document.getElementById("sidebarContent").style.width = size + "px";
  //浏览器宽度小于840时，左侧菜单浮于阅读区域之上，不调整阅读区域大小
  if(window.innerWidth > 840){
    //调整阅读区域大小
    document.getElementById("viewerContainer").style.left = size + "px";
    //如果是适合宽度，调用适合宽度
    var select = document.getElementById("scaleSelect");
    if(select.value === 'page-width'){
      selFit('width');
    }
  }
}
//页面发生变化，回调此函数
function pageChanged(pageNum) {
  console.log(pageNum);
}

function loadPageComment(currPage) {
	var bookId = $("#bookId").val();
	webDwr.getBookComment(bookId, currPage, 0, function(info){
		var jsonArr = eval("(" + info + ")");
		var comments = "";
		for(var i=0;i<jsonArr["comments"].length;i++) {
			comments += "<li> <img title=\""+jsonArr["comments"][i].user+"\" src=\""+jsonArr["comments"][i].portraint+"\">";
			comments += "<div class=\"right\"><div>"+jsonArr["comments"][i].content+"</div>";
			comments += "<div class=\"time\"><span>"+jsonArr["comments"][i].user+"</span>";
			comments += "<span class=\"fright\">"+jsonArr["comments"][i].pubTime+"</span></div></div></li>";
		}
		if(comments != "")
			document.getElementById("commentList").innerHTML = comments;
	});
}

function addComment() {
	var bookId = $("#bookId").val();
	var content = $("#commentContext").val();
	if(content=="") {
		alert("请输入评论内容！");
		return;
	}
	if(content.length > 1000) {
		alert("评论内容不能超过1000字！你现在输入的内容有" + content.length + "个字");
		return;
	}
	var csrfToken = $.trim($("#csrfToken").val());
	if(csrfToken == "") {
		webDwr.addBookComment(bookId, content, function(info){
			if(info != "") {
				if(info=="noLogged") {
					alert("请登录后再发表评论");
					return;
				}
				loadPageComment(1);
				$("#commentContext").val("");
			}
		});
	} else {
		webDwr.addBookComment(bookId, content, csrfToken, function(info){
			if(info != "") {
				if(info=="noLogged") {
					alert("请登录后再发表评论");
					return;
				}
				loadPageComment(1);
				$("#csrfToken").val(info);
				$("#commentContext").val("");
			}
		});
	}
	
}