// ==UserScript==
// @name          Egloos comments blacklist
// @namespace     http://www.egloos.com/
// @description      block the comments of user who is in black list
// @version            1.0.1
// @include            http://*.egloos.com/*
// @exclude           http://www.egloos.com/*
// @exclude           http://valley.egloos.com/*
// ==/UserScript==

// 데이터 정리
var that_blacklist_key = "egloos_mugansim2_list";
var that_blacklist = {};
if (typeof(GM_getValue(that_blacklist_key)) != 'undefined') eval("that_blacklist={"+GM_getValue(that_blacklist_key)+"}");

var commentsId = 'content';
var contentId = 'content';
var that_userPattern = /([\w\d]+).egloos.com/;
var that_validName = /^[\w\d]+$/;

// 리스트 관리
function that_addToBlackList(name) {
  that_blacklist[name] = " ";
  that_saveData();
  that_removeItem();
}

function that_removeFromBlackList(name) {
  if (that_blacklist[name]) that_blacklist[name] = null;
  that_saveData();
}

function that_saveData() {
  GM_setValue(that_blacklist_key, that_cfg2str());
}

function that_cfg2str() {
  var str = '';
  for (name in that_blacklist) if (that_blacklist[name]) str += "\""+ name + "\":\"" + that_blacklist[name] + "\",";
  return str;
}

// 메뉴 처리
function that_menu_command_add(e) {
  var name = prompt("무심각을 발동할 유저를 입력해 주세요.\nhttp://***.egloos.com에서 ***에 해당하는 이름입니다.");
  if (name && name.match(that_validName)) {
    that_addToBlackList(name);
  } else {
    alert("대상 지정이 잘못되었습니다.");
  }
}

function that_menu_command_remove(e) {
  var name = prompt("무심각을 풀 유저를 입력해 주세요.\nhttp://***.egloos.com에서 ***에 해당하는 이름입니다.");
  if (name && name.match(that_validName)) that_removeFromBlackList(name);
}

function that_menu_command_list(e) {
  var str = that_cfg2str();
  alert("아아 그것은 덧(글)없는 인생.\n" + str.split(",").join("\n").replace(/[\":]/g, ""));
}

// 제거작업
function that_removeItem() {
	if (document.getElementById && document.getElementsByTagName) {  
		var content = document.getElementById(contentId);
		if (!content) {
			content = document.getElementsByTagName("body")[0];
		}
		var divs = content.getElementsByTagName("div");
		for (var i = 0; i < divs.length; i++) {
			if (!divs[i].className.toLowerCase().match(/post/)) continue;
			var spans = divs[i].getElementsByTagName("span");
			for (var j=0; j < spans.length; j++) {
				if (!spans[j].className.toLowerCase().match(/linkback/)) continue;
				that_modifyClickEvent(spans[j]);
			}

			var postDivs = divs[i].getElementsByTagName("div");
			var comment = null;
			for (var j=0; j < postDivs.length; j++) {
				if (!postDivs[j].id.match(/cmt[\d]{7}/)) continue;
				comment = postDivs[j];
				break;
			}
			if (!comment) continue;

			that_modifyComment(comment);
		}
	}
}

function that_modifyClickEvent(p) {
	if (!p) return;
	var anchs = p.getElementsByTagName("a");
	var serial = p.innerHTML.search(/cmtview\(\'(\d{7})\'/) != -1 ? RegExp.$1 : null;
	if (!serial) return;
	for (var i=0; i < anchs.length ; i++)  {
		if (!anchs[i].className.toLowerCase().match(/tail_cmt/)) continue;
		addMyEvent(anchs[i], 'click', function() {
			setTimeout(function() {that_cmtviewCheck(serial)}, 700);
			setTimeout(function() {that_cmtviewCheck(serial)}, 1500);
			setTimeout(function() {that_cmtviewCheck(serial)}, 3000);
			setTimeout(function() {that_cmtviewCheck(serial)}, 5000);
			});
	}
}

function that_modifyComment(comment) {
	var commentDivs = comment.getElementsByTagName("div");
	var nextViewFlag = true;
	for (var j = 0; j < commentDivs.length; j++) {
		var div = commentDivs[j];
		if (!nextViewFlag && div.className.toLowerCase().match(/comment_body/)) {
			var originalComment = div.lastChild;
			originalComment.style.display="none";
			div.innerHTML="<a href=\"#none\" onclick=\"this.innerHTML=(this.nextSibling.style.display=='none')?'[역시나.]':'[혹시나?]';this.nextSibling.style.display=(this.nextSibling.style.display=='none')?'block':'none';return false;\">[혹시나?]</a>";
			div.appendChild(originalComment);
		}
		nextViewFlag = true;
		if (!commentDivs[j].className.toLowerCase().match(/comment_tail/)) continue;

		var linkdata = commentDivs[j].getElementsByTagName("a");
		if (0 == linkdata.length || -1 != linkdata[0].href.search("#")) continue;
		var name = that_getUser(linkdata[0].href);
		if (name != null && that_blacklist[name]) {
			nextViewFlag=false;
		}
	}
}

function that_getUser(url) {
	return url.search(that_userPattern) != -1 ? RegExp.$1 : null;
}

function addMyEvent(obj, event, handler){
	if(obj.addEventListener){
		obj.addEventListener(event,handler,false);
	}
	else if(obj.attachEvent){
		obj.attachEvent("on"+event,handler);
	}
	else{
		obj["on"+event]=handler;
	}
}

function that_cmtviewCheck(serial) {
	if (!serial) return;
	var id = "cmt" + serial;
	if ("" != document.getElementById(id).innerHTML) {
		that_modifyComment(document.getElementById(id));
	}
}

addMyEvent(window, 'load', that_removeItem)

GM_registerMenuCommand("덧글 무심각 : 더하기", that_menu_command_add)
GM_registerMenuCommand("덧글 무심각 : 빼기", that_menu_command_remove)
GM_registerMenuCommand("덧글 무심각 : 목록 보기", that_menu_command_list)