// ==UserScript==
// @include http://www.linux.org.ru/*
// ==/UserScript==

function addJQuery(callback) {
  var script = document.createElement("script");
  script.setAttribute("src", "http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js");
  script.addEventListener('load', function() {
    var script = document.createElement("script");
    script.textContent = "(" + callback.toString() + ")();";
    document.body.appendChild(script);
  }, false);
  document.body.appendChild(script);
}

function main() {
    var t1 = '<br /><object style="height: 210px; width: 320px"><param name="movie" value="';
    var t2 = '?version=3&feature=player_detailpage"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="';
    var t3 = '?version=3&feature=player_detailpage" type="application/x-shockwave-flash" allowfullscreen="true" allowScriptAccess="always" width="320" height="180"></object><br />';

    $.each($("a[href^='http://youtu.be']"), function(i, v){ $(v).replaceWith(t1 + v.href.replace("http://youtu.be/", "http://www.youtube.com/v/") + t2 + v.href.replace("http://youtu.be/", "http://www.youtube.com/v/") + t3); });

    function add_answers(parent_post, post){
        if($("div.title:contains('Ответ на') a[href$='" + $(parent_post).attr("id").replace("preview_", "") + "']", $(post)).length){
            var a = "<a href='" + $(post).find(".title a:contains('#')").attr("href") + "'>" + ($(post).find(".sign a").html() ? $(post).find(".sign a").html() : "anonymous") + "</a>";
            if($(".answers", parent_post).length){
                $($(".answers", parent_post)[0]).html($($(".answers", parent_post)[0]).html() + ", " + a);
            }
            else{
                $("<div />", {
                    "class" : "answers"
                    , "html": "Ответы: " + a
                }).insertAfter($("p:last", $(parent_post)));
            }
        }
    }

    function add_parent_post(link, zi, pt, pl){
        var timer;
        link.mouseover(function(e){
            var id = (e.target.hash ? e.target.hash.replace("#", "") : "comment-" + link.attr("href").match(RegExp("[?|&]cid=(.+?)(&|$)"))[0].split("=")[1]);
            if($("#preview_" + id).length){
                clearTimeout(timer);
                return;
            }
            $.get(link.attr("href"), function(data){
                $("<article />", {
                    'id': 'preview_' + id,
                    'html': $("#" + id, $(data)).html(),
                    'class': "target msg highLighted",
                    'style': "position: absolute; z-index: " + zi + "; top: " + (pt + e.target["offsetTop"] + e.target.offsetHeight) + "px; left: " + (l = pl + e.target["offsetLeft"] + e.target.offsetWidth/2) + "px;",
                    'mouseover': function(){ clearTimeout(timer); },
                    'mouseout': function(){
                        timer = setTimeout(
                            function(){
                                $("#preview_" + id).remove();
                            }
                            , 800
                        );
                    }
                }).appendTo(".messages");
                $.each(posts, function(p){
                    add_answers($("#preview_" + id), $(posts[p]));
                });
                $.each($("a:not([href^='/people/']):not([href^='add_comment.jsp']):not([href^='http']):not(:eq(0))", $("#preview_" + id)), function(){
                    add_parent_post($(this), zi + 1, (pt + e.target["offsetTop"] + e.target.offsetHeight), (l = pl + e.target["offsetLeft"] + e.target.offsetWidth/2));
                });
            });
        });
        link.mouseout( function(e){
            var id = (e.target.hash ? e.target.hash.replace("#", "") : "comment-" + link.attr("href").match(RegExp("[?|&]cid=(.+?)(&|$)"))[0].split("=")[1]);
            timer = setTimeout(
                function(){
                    $("#preview_" + id).remove();
                }
                , 800
            );
        });

    }

    //var cur_page = window.location.href.match(/page\d+/) ? window.location.href.match(/page\d+/)[0].replace("page", "") : 0;
    var pages = $("a.page-number:not(:contains('←')):not(:contains('→'))").slice(/*cur_page*/ 0, $("a.page-number:not(:contains('←')):not(:contains('→'))").length/2);
    var posts_sel = ".msg:not([id*='topic'])";
    var posts = $(posts_sel);
    var l = pages.length;
    var c = 0;
    $.each(pages, function(pagei, pagev){
        $.get($(pagev).attr("href"), function(data){
            posts = $.merge(posts, $(posts_sel, $(data)));
            c++;
        });
    });
    (function t1(){
        setTimeout(function(){
            if(c == l){
                var ll = $(posts_sel).length;
                var cc = 0;
                $.each($(posts_sel), function(ppi, ppv){
                    $.each(posts, function(pi, pv){
                        add_answers(ppv, pv);
                    });
                    cc++;
                });
                (function t2(){
                    setTimeout(function(){
                        if(cc == ll){
                            $.each($(posts_sel), function(pi, pv){
                                $.each($("a:not([href^='/people/']):not([href^='add_comment.jsp']):not([href^='http']):not(:eq(0))", $(pv)), function(li, lv){
                                    add_parent_post($(lv), 300, 0, 0);
                                });
                            });
                        }
                        else{
                            t2();
                        }
                    }, 100);
                })();
            }
            else{
                t1();
            }
        }, 100);
    })();
}

addJQuery(main);