/*
The MIT License (MIT)
Copyright (c) 2013 Calvin Montgomery

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

// Format a userlist entry based on a person's rank
function formatUserlistItem(div, data) {
    var name = div.children[1];
    $(name).removeClass();
    $(name).css("font-style", "");
    $(name).addClass(getNameColor(data.rank));
    $(div).find(".profile-box").remove();

    var profile;
    $(name).mouseenter(function(ev) {
        profile = $("<div/>")
            .addClass("profile-box")
            .css("top", (ev.pageY + 5) + "px")
            .css("left", ev.pageX + "px")
            .appendTo(div);
        if(data.profile.image) {
            $("<img/>").addClass("profile-image")
                .attr("src", data.profile.image)
                .appendTo(profile);
        }
        $("<strong/>").text(data.name).appendTo(profile);
        $("<p/>").text(data.profile.text).appendTo(profile);
    });
    $(name).mousemove(function(ev) {
        profile.css("top", (ev.pageY + 5) + "px")
            .css("left", ev.pageX + "px")
    });
    $(name).mouseleave(function() {
        profile.remove();
    });

    var flair = div.children[0];
    flair.innerHTML = "";
    // denote current leader with a star
    if(data.leader) {
        $("<i/>").addClass("icon-star-empty").appendTo(flair);
    }
    if(data.meta && data.meta.afk) {
        $(name).css("font-style", "italic");
        $("<i/>").addClass("icon-time").appendTo(flair);
    }
}

function getNameColor(rank) {
    if(rank >= Rank.Siteadmin)
        return "userlist_siteadmin";
    else if(rank >= Rank.Owner)
        return "userlist_owner";
    else if(rank >= Rank.Moderator)
        return "userlist_op";
    else if(rank == Rank.Guest)
        return "userlist_guest";
    else
        return "";
}

// Adds a dropdown with user actions (promote/demote/leader)
function addUserDropdown(entry, name) {
    $(entry).find(".dropdown").remove();
    $(entry).unbind();
    var div = $("<div />").addClass("dropdown").appendTo(entry);
    var ul = $("<ul />").addClass("dropdown-menu").appendTo(div);
    ul.attr("role", "menu");
    ul.attr("aria-labelledby", "dropdownMenu");

    var ignore = $("<li />").appendTo(ul);
    var a = $("<a />").attr("tabindex", "-1").attr("href", "javascript:void(0);").appendTo(ignore);
    if(IGNORED.indexOf(name) != -1) {
        a.text("Unignore User");
    }
    else {
        a.text("Ignore User");
    }
    a.click(function() {
        if(IGNORED.indexOf(name) != -1) {
            IGNORED.splice(IGNORED.indexOf(name), 1);
            this.text("Ignore User");
        }
        else {
            IGNORED.push(name);
            this.text("Unignore User");
        }
    }.bind(a));

    if(hasPermission("kick")) {
        var kick = $("<li />").appendTo(ul);
        var a = $("<a />").attr("tabindex", "-1").attr("href", "javascript:void(0);").appendTo(kick);
        a.text("Kick");
        a.click(function() {
            socket.emit("chatMsg", {
                msg: "/kick " + name
            });
        });
    }

    if(RANK >= Rank.Moderator) {
        $("<li />").addClass("divider").appendTo(ul);

        var makeLeader = $("<li />").appendTo(ul);
        var a = $("<a />").attr("tabindex", "-1").attr("href", "javascript:void(0);").appendTo(makeLeader);
        a.text("Make Leader");
        a.click(function() {
            socket.emit("assignLeader", {
                name: name
            });
        });

        var takeLeader = $("<li />").appendTo(ul);
        var a = $("<a />").attr("tabindex", "-1").attr("href", "javascript:void(0);").appendTo(takeLeader);
        a.text("Take Leader");
        a.click(function() {
            socket.emit("assignLeader", {
                name: ""
            });
        });

        var ban = $("<li />").appendTo(ul);
        var a = $("<a />").attr("tabindex", "-1").attr("href", "javascript:void(0);").appendTo(ban);
        a.text("IP Ban");
        a.click(function() {
            socket.emit("chatMsg", {
                msg: "/ban " + name
            });
        });

        var nameban = $("<li />").appendTo(ul);
        var a = $("<a />").attr("tabindex", "-1").attr("href", "javascript:void(0);").appendTo(nameban);
        a.text("Name Ban");
        a.click(function() {
            socket.emit("banName", {
                name: name
            });
        });

        $("<li />").addClass("divider").appendTo(ul);

        var promote = $("<li />").appendTo(ul);
        var a = $("<a />").attr("tabindex", "-1").attr("href", "javascript:void(0);").appendTo(promote);
        a.text("Promote");
        a.click(function() {
            socket.emit("promote", {
                name: name
            });
        });

        var demote = $("<li />").appendTo(ul);
        var a = $("<a />").attr("tabindex", "-1").attr("href", "javascript:void(0);").appendTo(demote);
        a.text("Demote");
        a.click(function() {
            socket.emit("demote", {
                name: name
            });
        });
    }

    $(entry).click(function() {
        if(ul.css("display") == "none") {
            // Hide others
            $("#userlist ul.dropdown-menu").each(function() {
                if(this != ul) {
                    $(this).css("display", "none");
                }
            });
            ul.css("display", "block");
        }
        else {
            ul.css("display", "none");
        }
    });

    return ul;
}

function addChatMessage(data) {
    if(IGNORED.indexOf(data.username) != -1) {
        return;
    }
    var div = formatChatMessage(data);
    div.data("sender", data.username);
    div.appendTo($("#messagebuffer"));
    div.mouseover(function() {
        $("#messagebuffer").children().each(function() {
            var name = $(this).data("sender");
            if(name == data.username) {
                $(this).addClass("nick-hover");
            }
        });
    });
    div.mouseleave(function() {
        $("#messagebuffer").children().each(function() {
            $(this).removeClass("nick-hover");
        });
    });
    // Cap chatbox at most recent 100 messages
    if($("#messagebuffer").children().length > 100) {
        $($("#messagebuffer").children()[0]).remove();
    }
    if(SCROLLCHAT)
        $("#messagebuffer").scrollTop($("#messagebuffer").prop("scrollHeight"));
    if(USEROPTS.blink_title && !FOCUSED && !TITLE_BLINK) {
        TITLE_BLINK = setInterval(function() {
            if(document.title == "*Chat*")
                document.title = PAGETITLE;
            else
                document.title = "*Chat*";
        }, 1000);
    }
    if(uname) {
        if(data.msg.toUpperCase().indexOf(uname.toUpperCase()) != -1) {
            div.addClass("nick-highlight");
            if(!FOCUSED && !TITLE_BLINK) {
                TITLE_BLINK = setInterval(function() {
                    if(document.title == "*Chat*")
                        document.title = PAGETITLE;
                    else
                        document.title = "*Chat*";
                }, 1000);
            }
        }
    }
}

function formatChatMessage(data) {
    var skip = data.username == LASTCHATNAME;
    if(data.msgclass == "drink" || data.msgclass == "shout") {
        skip = false;
    }
    LASTCHATNAME = data.username;
    LASTCHATTIME = data.time;
    var div = $("<div/>");
    if(USEROPTS.show_timestamps) {
        var time = $("<span/>").addClass("timestamp").appendTo(div);
        var timestamp = new Date(data.time).toTimeString().split(" ")[0];
        time.text("["+timestamp+"] ");
    }
    var name = $("<span/>");
    if(!skip) {
        name.appendTo(div);
    }
    $("<strong/>").addClass("username").text(data.username + ": ").appendTo(name);
    var message = $("<span/>").appendTo(div);
    message[0].innerHTML = data.msg;
    if(data.modflair) {
        name.addClass(getNameColor(data.modflair));
    }
    if(data.msgclass == "action") {
        name.remove();
        message.addClass("action");
        message[0].innerHTML = data.username + " " + data.msg;
    }
    else if(data.msgclass == "drink") {
        div.addClass("drink");
    }
    else if(data.msgclass == "shout") {
        message.addClass("shout");
        name.addClass("shout");
    }
    else  {
        message.addClass(data.msgclass);
    }
    return div;
}

// Creates and formats a queue entry
function makeQueueEntry(video) {
    var li = $("<li />");
    li.attr("class", "well");
    if(video.thumb) {
        $("<img/>").attr("src", video.thumb.url)
            .css("float", "left")
            .css("clear", "both")
            .appendTo(li);
    }
    var title = $("<a/>").addClass("qe_title").appendTo(li)
        .text(video.title)
        .attr("href", idToURL(video))
        .attr("target", "_blank");
    var time = $("<span />").addClass("qe_time").appendTo(li);
    time.text(video.duration);
    var clear = $("<div />").addClass("qe_clear").appendTo(li);
    if(video.temp) {
        li.addClass("alert alert-error");
    }
    return li;
}

// Add buttons to a queue list entry
function addQueueButtons(li) {
    var btnstrip = $("<div />").attr("class", "btn-group qe_buttons").prependTo(li);

    if(hasPermission("playlistmove")) {
        var btnMove = $("<button />").addClass("btn qe_btn").appendTo(btnstrip);
        $("<i />").addClass("icon-resize-vertical").appendTo(btnMove);
        // Callback time
        btnMove.mousedown(function() {
            GRABBEDLI = li;
            OLDINDEX = $("#queue").children().index(li);
        });

        btnMove.mousemove(function() {
            if(GRABBEDLI != null) {
                var idx = $("#queue").children().index(li);
                var lidx = $("#queue").children().index(GRABBEDLI);
                if(idx != lidx)
                    moveVideo(lidx, idx, true);
            }
        });
    }

    if(hasPermission("playlistdelete")) {
        var btnRemove =  $("<button />").attr("class", "btn btn-danger qe_btn").appendTo(btnstrip);
        $("<i />").attr("class", "icon-remove").appendTo(btnRemove);
        $(btnRemove).click(function() {
            btnstrip.remove();
            var idx = $("#queue").children().index(li);
            socket.emit("unqueue", { pos: idx });
        });
    }

    if(hasPermission("playlistjump")) {
        var btnPlay =  $("<button />").attr("class", "btn btn-success qe_btn").appendTo(btnstrip);
        $("<i />").attr("class", "icon-play").appendTo(btnPlay);
        $(btnPlay).click(function() {
            var idx = $("#queue").children().index(li);
            socket.emit("jumpTo", {
                pos: idx
            });
        });
    }

    if(hasPermission("playlistnext")) {
        var btnNext =  $("<button />").attr("class", "btn qe_btn").appendTo(btnstrip);
        $("<i/>").addClass("icon-share-alt").appendTo(btnNext);
        $(btnNext).click(function() {
            var idx = $("#queue").children().index(li);
            var dest = idx < POSITION ? POSITION : POSITION + 1;
            socket.emit("moveMedia", {
                src: idx,
                dest: dest
            });
        });
    }

    if(hasPermission("settemp")) {
        var btnTemp =  $("<button />").attr("class", "btn qe_btn").appendTo(btnstrip);
        var temp = $(li).hasClass("alert-error");
        $("<i/>").addClass("icon-flag").appendTo(btnTemp);
        if(temp) {
            btnTemp.addClass("btn-success");
        }
        else {
            btnTemp.addClass("btn-danger");
        }
        $(btnTemp).click(function() {
            temp = $(li).hasClass("alert-error");
            var idx = $("#queue").children().index(li);
            socket.emit("setTemp", {
                idx: idx,
                temp: !temp
            });
        });
    }

    $(document).mouseup(function() {
        if(GRABBEDLI != null) {
            var idx = $("#queue").children().index(GRABBEDLI);
            GRABBEDLI = null;
            moveVideo(idx, OLDINDEX, true);
            socket.emit("moveMedia", {
                src: OLDINDEX,
                dest: idx
            });
        }
    });
}

function rebuildPlaylist() {
    $("#queue li").each(function() {
        $(this).find(".btn-group").remove();
        addQueueButtons(this);
    });
}

// Add buttons to a list entry for the library search results
function addLibraryButtons(li, id, yt) {
    var btnstrip = $("<div />").attr("class", "btn-group qe_buttons").prependTo(li);

    if(hasPermission("playlistnext")) {
        var btnNext =  $("<button />").addClass("btn qe_btn")
            .text("Next")
            .appendTo(btnstrip);
        btnNext.click(function() {
            if(yt) {
                socket.emit("queue", {
                    id: id,
                    pos: "next",
                    type: "yt"
                });
            }
            else {
                socket.emit("queue", {
                    id: id,
                    pos: "next"
                });
            }
        });
    }

    var btnEnd =  $("<button />").addClass("btn qe_btn").text("End").appendTo(btnstrip);
    btnEnd.click(function() {
        if(yt) {
            socket.emit("queue", {
                id: id,
                pos: "end",
                type: "yt"
            });
        }
        else {
            socket.emit("queue", {
                id: id,
                pos: "end"
            });
        }
    });

    if(RANK >= Rank.Moderator) {
        var btnDelete = $("<button/>").addClass("btn qe_btn btn-danger").appendTo(btnstrip);
        $("<i/>").addClass("icon-remove").appendTo(btnDelete);
        btnDelete.click(function() {
            socket.emit("uncache", {
                id: id
            });
            $(li).hide("blind", function() {
                $(li).remove();
            });
        });
    }
}

function loadSearchPage(page) {
    $("#library").html("");
    var results = $("#library").data("entries");
    var start = page * 100;
    for(var i = start; i < start + 100 && i < results.length; i++) {
        var li = makeQueueEntry(results[i]);
        if(hasPermission("playlistadd")) {
            if(results[i].thumb) {
                addLibraryButtons(li, results[i].id, true);
            }
            else {
                addLibraryButtons(li, results[i].id);
            }
        }
        $(li).appendTo($("#library"));
    }
    if($("#search_pagination").length > 0) {
        $("#search_pagination").find("li").each(function() {
            $(this).removeClass("active");
        });
        $($("#search_pagination").find("li")[page]).addClass("active");
    }
}

function clearSearchResults() {
    $("#library").html("");
    $("#search_pagination").remove();
}

function loadLoginlogPage(page) {
    var entries = $("#loginlog").data("entries");
    var start = page * 20;
    var tbl = $("#loginlog table");
    if(tbl.children().length > 1) {
        $(tbl.children()[1]).remove();
    }
    for(var i = start; i < start + 20 && i < entries.length; i++) {
        var tr = $("<tr/>").appendTo(tbl);
        var bantd = $("<td/>").appendTo(tr);
        if(entries[i].banned) {
            bantd.text("Banned");
            tr.addClass("alert alert-error");
        }
        else {
            var ban = $("<button/>").addClass("btn btn-mini btn-danger")
                .text("Ban IP")
                .appendTo(bantd);
            var banrange = $("<button/>").addClass("btn btn-mini btn-danger")
                .text("Ban IP Range")
                .appendTo(bantd);
            var callback = (function(id, name) { return function() {
                socket.emit("banIP", {
                    id: id,
                    name: name,
                    range: false
                });
                return false;
            } })(entries[i].id, entries[i].names[0]);
            ban.click(callback);
            var callback2 = (function(id, name) { return function() {
                socket.emit("banIP", {
                    id: id,
                    name: name,
                    range: true
                });
                return false;
            } })(entries[i].id, entries[i].names[0]);
            banrange.click(callback2);
        }
        var ip = $("<td/>").text(entries[i].ip).appendTo(tr);
        var name = $("<td/>").text(entries[i].names).appendTo(tr);
        tr.data("names", entries[i].names);
        tr.data("banned", entries[i].banned);
        tr.click(function(ev) {
            tbl.find(".name-detail").remove();
            if(this.data("namesopen")) {
                this.data("namesopen", false);
                return;
            }
            var names = this.data("names") || [];
            for(var i = names.length-1; i >= 0; i--) {
                var detail = $("<tr/>").insertAfter(this);
                detail.addClass("name-detail");
                if(this.data("banned")) {
                    detail.addClass("alert alert-error");
                }
                var buttontd = $("<td/>").appendTo(detail);
                $("<button/>").addClass("btn btn-mini btn-danger")
                    .text("Ban Name")
                    .appendTo(buttontd)
                    .click(function() {
                        socket.emit("banName", {
                            name: this
                        });
                    }.bind(names[i]));
                $("<td/>").text("\"").appendTo(detail);
                $("<td/>").text(names[i]).appendTo(detail);
            }
            this.data("namesopen", true);
        }.bind(tr));
    }
    if($("#loginlog_pagination").length > 0) {
        $("#loginlog_pagination").find("li").each(function() {
            $(this).removeClass("active");
        });
        $($("#loginlog_pagination").find("li")[page]).addClass("active");
    }
}

function loadACLPage(page) {
    var entries = $("#channelranks").data("entries");
    $("#channelranks").data("page", page);
    var start = page * 20;
    var tbl = $("#channelranks table");
    if(tbl.children().length > 1) {
        $(tbl.children()[1]).remove();
    }
    for(var i = start; i < start + 20 && i < entries.length; i++) {
        var tr = $("<tr/>").appendTo(tbl);
        var name = $("<td/>").text(entries[i].name).appendTo(tr);
        name.addClass(getNameColor(entries[i].rank));
        var rank = $("<td/>").text(entries[i].rank)
            .css("min-width", "220px")
            .appendTo(tr);
        (function(name) {
        rank.click(function() {
            if(this.find(".rank-edit").length > 0)
                return;
            var r = this.text();
            this.text("");
            var edit = $("<input/>").attr("type", "text")
                .attr("placeholder", r)
                .addClass("rank-edit")
                .appendTo(this)
                .focus();
            if(parseInt(r) >= RANK) {
                edit.attr("disabled", true);
            }
            function save() {
                var r = this.val();
                var r2 = r;
                if(r.trim() == "" || parseInt(r) >= RANK || parseInt(r) < 1)
                    r = this.attr("placeholder");
                r = parseInt(r) + "";
                this.parent().text(r);
                socket.emit("setChannelRank", {
                    user: name,
                    rank: parseInt(r)
                });
            }
            edit.blur(save.bind(edit));
            edit.keydown(function(ev) {
                if(ev.keyCode == 13)
                    save.bind(edit)();
            });
        }.bind(rank));
        })(entries[i].name);
    }
    if($("#acl_pagination").length > 0) {
        $("#acl_pagination").find("li").each(function() {
            $(this).removeClass("active");
        });
        $($("#acl_pagination").find("li")[page]).addClass("active");
    }
}

// Rearranges the queue
function moveVideo(src, dest, noanim) {
    var li = $($("#queue").children()[src]);
    var ul = $("#queue")[0];
    if(noanim) {
        li.detach();
        if(dest == ul.children.length) {
            li.appendTo(ul);
        }
        else {
            li.insertBefore(ul.getElementsByTagName("li")[dest]);
        }
    }
    else {
        li.hide("blind", function() {
            li.detach();
            if(dest == ul.children.length) {
                li.appendTo(ul);
            }
            else {
                li.insertBefore(ul.getElementsByTagName("li")[dest]);
            }
            $(li).show("blind");
        });
    }
    if(src < POSITION && dest >= POSITION)
        POSITION--;
    if(src > POSITION && dest < POSITION)
        POSITION++;
}

function parseVideoURL(url){
    url = url.trim()
    if(typeof(url) != "string")
        return null;
    if(url.indexOf("jw:") == 0) {
        url = url.substring(3);
        return [url, "jw"];
    }
    if(url.indexOf("rtmp://") == 0) {
        return [url, "rt"];
    }
    else if(url.indexOf("youtu.be") != -1 || url.indexOf("youtube.com") != -1) {
        if(url.indexOf("playlist") != -1) {
            return [parseYTPlaylist(url), "yp"];
        }
        return [parseYTURL(url), "yt"];
    }
    else if(url.indexOf("twitch.tv") != -1)
        return [parseTwitch(url), "tw"];
    else if(url.indexOf("justin.tv") != -1)
        return [parseJustinTV(url), "jt"];
    else if(url.indexOf("livestream.com") != -1)
        return [parseLivestream(url), "li"];
    else if(url.indexOf("ustream.tv") != -1)
        return [parseUstream(url), "us"];
    else if(url.indexOf("soundcloud.com") != -1)
        return [url, "sc"];
    else if(url.indexOf("vimeo.com") != -1)
        return [parseVimeo(url), "vi"];
    else if(url.indexOf("dailymotion.com") != -1)
        return [parseDailymotion(url), "dm"];
    else if(url.indexOf("imgur.com") != -1)
        return [parseImgur(url), "im"];
}

function parseYTURL(url) {
    var m = url.match(/v=([^&#]+)/);
    if(m) {
        return m[1];
    }
    var m = url.match(/youtu\.be\/([^&#]+)/);
    if(m) {
        return m[1];
    }
    var m = url.match(/([^&#]*)/);
    if(m) {
        return m[1];
    }
    return null;
}

function parseYTPlaylist(url) {
    var m = url.match(/youtube\.com\/playlist\?list=([^&]+)/);
    if(m) {
        return m[1];
    }
    return null;
}

function parseTwitch(url) {
    var m = url.match(/twitch\.tv\/([^#\?\/]+)/);
    if(m) {
        return m[1];
    }
    return null;
}

function parseJustinTV(url) {
    var m = url.match(/justin\.tv\/([^#\?\/]+)/);
    if(m) {
        return m[1];
    }
    return null;
}

function parseLivestream(url) {
    var m = url.match(/livestream\.com\/([^#\?\/]+)/);
    if(m) {
        return m[1];
    }
    return null;
}

function parseUstream(url) {
    var m = url.match(/ustream\.tv\/([^#\?\/]+)/);
    if(m) {
        return m[1];
    }
    return null;
}

function parseVimeo(url) {
    var m = url.match(/vimeo\.com\/([0-9]+)/);
    if(m) {
        return m[1];
    }
    return null;
}

function parseDailymotion(url) {
    var m = url.match(/dailymotion\.com\/video\/([a-zA-Z0-9_-]+)/);
    if(m) {
        return m[1];
    }
    return null;
}

function parseImgur(url) {
    var m = url.match(/imgur\.com\/a\/([a-zA-Z0-9]+)/);
    if(m) {
        return m[1];
    }
    return null;
}

function closePoll() {
    if($("#pollcontainer .active").length != 0) {
        var poll = $("#pollcontainer .active");
        poll.removeClass("active").addClass("muted");
        poll.find(".option button").each(function() {
            $(this).attr("disabled", "disabled");
        });
        poll.find(".btn-danger").each(function() {
            $(this).remove()
        });
    }
}

function canQueue() {
    var anon = !uname;
    var guest = (uname && !session);
    var canqueue = (!guest && !anon) ||
                   (guest && CHANNELOPTS.qopen_allow_guest) ||
                   (anon && CHANNELOPTS.qopen_allow_anon);
    canqueue = canqueue && OPENQUEUE;
    return canqueue;
}

function handlePermissionChange() {
    function setVisible(selector, bool) {
        var disp = bool ? "" : "none";
        $(selector).css("display", disp);
    }

    if(RANK < 2) {
        $(".modonly").hide();
    }

    setVisible("#playlist_controls", hasPermission("playlistadd"));
    $("#queue_next").attr("disabled", !hasPermission("playlistnext"));
    setVisible("#qlockbtn", RANK >= 2);

    setVisible("#getplaylist", hasPermission("playlistgeturl"));
    setVisible("#clearplaylist", hasPermission("playlistclear"));
    setVisible("#shuffleplaylist", hasPermission("playlistshuffle"));

    $("#userpl_queueend").attr("disabled", !hasPermission("playlistaddlist"));
    $("#userpl_queuenext").attr("disabled", !hasPermission("playlistaddlist") || !hasPermission("playlistnext"));

    setVisible("#modnav", RANK >= 2);
    setVisible("#chanperms_tab", RANK >= 3);
    setVisible("#banlist_tab", hasPermission("ban"));
    setVisible("#motdeditor_tab", hasPermission("motdedit"));
    setVisible("#csseditor_tab", RANK >= 3);
    setVisible("#jseditor_tab", RANK >= 3);
    setVisible("#filtereditor_tab", hasPermission("filteredit"));
    setVisible("#acl_tab", RANK >= 3);
    setVisible("#dropchannel_tab", RANK >= 10);

    $("#pollcontainer .active").find(".btn-danger").remove();
    if(hasPermission("pollctl")) {
        var poll = $("#pollcontainer .active");
        if(poll.length > 0) {
            $("<button/>").addClass("btn btn-danger pull-right")
                .text("End Poll")
                .insertAfter(poll.find(".close"))
                .click(function() {
                    socket.emit("closePoll");
                });
        }
    }
    var poll = $("#pollcontainer .active");
    if(poll.length > 0) {
        poll.find(".btn").attr("disabled", !hasPermission("pollvote"));
    }
    var users = $("#userlist").children();
    for(var i = 0; i < users.length; i++) {
        addUserDropdown(users[i], users[i].children[1].innerHTML);
    }
    rebuildPlaylist();
}



function onWindowFocus() {
    clearInterval(TITLE_BLINK);
    TITLE_BLINK = false;
    document.title = PAGETITLE;
}

function newPollMenu() {
    PLAYER.hide();
    var modal = $("<div/>").addClass("modal hide fade")
        .appendTo($("body"));
    var head = $("<div/>").addClass("modal-header")
        .appendTo(modal);
    $("<button/>").addClass("close")
        .attr("data-dismiss", "modal")
        .attr("aria-hidden", "true")
        .appendTo(head)[0].innerHTML = "&times;";
    $("<h3/>").text("New Poll").appendTo(head);
    var body = $("<div/>").addClass("modal-body").appendTo(modal);

    var form = $("<form/>").addClass("form-horizontal")
        .appendTo(body);

    var tgroup = $("<div/>").addClass("control-group").appendTo(form);
    $("<label/>").text("Title")
        .addClass("control-label")
        .attr("for", "polltitle")
        .appendTo(tgroup);
    $("<input/>").attr("type", "text")
        .attr("id", "polltitle")
        .appendTo($("<div/>").addClass("controls").appendTo(tgroup))

    function addPollOption() {
        var g = $("<div/>").addClass("control-group").appendTo(form);
        var c = $("<div/>").addClass("controls").appendTo(g);
        $("<input/>").attr("type", "text")
            .appendTo(c);
    }
    addPollOption();

    var footer = $("<div/>").addClass("modal-footer").appendTo(modal);
    $("<button/>").addClass("btn pull-left")
        .text("Add Poll Option")
        .appendTo(footer)
        .click(addPollOption);

    var submit = function() {
        var all = form.find("input[type=\"text\"]");
        var title = $(all[0]).val();
        var opts = new Array(all.length - 1);
        for(var i = 1; i < all.length; i++) {
            opts[i - 1] = $(all[i]).val();
        }

        socket.emit("newPoll", {
            title: title,
            opts: opts
        });
    }

    $("<button/>").addClass("btn btn-primary")
        .attr("data-dismiss", "modal")
        .attr("aria-hidden", "true")
        .text("Open Poll")
        .appendTo(footer)
        .click(submit);
    modal.on("hidden", function() {
        PLAYER.unhide();
        modal.remove();
    });
    modal.modal();
}

function showLoginFrame() {
    PLAYER.hide();
    var modal = $("<div/>").addClass("modal hide fade")
        .appendTo($("body"));
    var head = $("<div/>").addClass("modal-header")
        .appendTo(modal);
    $("<button/>").addClass("close")
        .attr("data-dismiss", "modal")
        .attr("aria-hidden", "true")
        .appendTo(head)[0].innerHTML = "&times;";
    $("<h3/>").text("Login").appendTo(head);
    var body = $("<div/>").addClass("modal-body").appendTo(modal);
    var frame = $("<iframe/>")
        .attr("id", "loginframe")
        .attr("src", "login.html")
        .css("border", "none")
        .css("width", "100%")
        .css("height", "300px")
        .css("margin", "0")
        .appendTo(body);
    var timer = setInterval(function() {
        frame[0].contentWindow.postMessage("cytube-syn", document.location);
    }, 1000);
    var respond = function(e) {
        if(e.data == "cytube-ack") {
            clearInterval(timer);
        }
        if(e.data.indexOf(":") == -1) {
            return;
        }
        if(e.data.substring(0, e.data.indexOf(":")) == "cytube-login") {
            var data = e.data.substring(e.data.indexOf(":")+1);
            data = JSON.parse(data);
            if(data.error) {
                // Since this is the login page, invalid session implies bad credentials
                if(data.error == "Invalid session") {
                    alert("Invalid username/password");
                }
                else {
                    alert(data.error);
                }
            }
            else if(data.success) {
                session = data.session || "";
                uname = data.uname || "";
                socket.emit("login", {
                    name: uname,
                    session: session
                });
                if(window.removeEventListener) {
                    window.removeEventListener("message", respond, false);
                }
                else if(window.detachEvent) {
                    // If an IE dev ever reads this, please tell your company 
                    // to get their shit together
                    window.detachEvent("onmessage", respond);
                }
                modal.modal("hide");
            }
        }
        else if(e.data.substring(0, e.data.indexOf(":")) == "cytube-changepass") {
            var data = e.data.substring(e.data.indexOf(":")+1);
            data = JSON.parse(data);
            if(data.error) {
                alert(data.error);
            }
            else if(data.success) {
                alert("Password changed");
            }
        }
    }
    if(window.addEventListener) {
        window.addEventListener("message", respond, false);
    }
    else if(window.attachEvent) {
        // If an IE dev ever reads this, please tell your company to get
        // their shit together
        window.attachEvent("onmessage", respond);
    }
    var footer = $("<div/>").addClass("modal-footer").appendTo(modal);
    modal.on("hidden", function() {
        PLAYER.unhide();
        modal.remove();
    });
    modal.modal();
}

function showUserOpts() {
    PLAYER.hide();
    var modal = $("<div/>").addClass("modal hide fade")
        .appendTo($("body"));
    var head = $("<div/>").addClass("modal-header")
        .appendTo(modal);
    $("<button/>").addClass("close")
        .attr("data-dismiss", "modal")
        .attr("aria-hidden", "true")
        .appendTo(head)[0].innerHTML = "&times;";
    $("<h3/>").text("User Options").appendTo(head);
    var body = $("<div/>").addClass("modal-body").appendTo(modal);
    var form = $("<form/>").addClass("form-horizontal")
        .appendTo(body);

    function addOption(lbl, thing) {
        var g = $("<div/>").addClass("control-group").appendTo(form);
        $("<label/>").addClass("control-label").text(lbl).appendTo(g);
        var c = $("<div/>").addClass("controls").appendTo(g);
        thing.appendTo(c);
    }

    var themeselect = $("<select/>");
    $("<option/>").attr("value", "default").text("Default").appendTo(themeselect);
    $("<option/>").attr("value", "assets/css/darkstrap.css").text("Dark").appendTo(themeselect);
    themeselect.val(USEROPTS.theme);
    addOption("Theme", themeselect);

    var usercss = $("<input/>").attr("type", "text")
        .attr("placeholder", "Stylesheet URL");
    usercss.val(USEROPTS.css);
    addOption("User CSS", usercss);

    var layoutselect = $("<select/>");
    $("<option/>").attr("value", "default").text("Default")
        .appendTo(layoutselect);
    $("<option/>").attr("value", "large").text("Large")
        .appendTo(layoutselect);
    $("<option/>").attr("value", "huge").text("Huge")
        .appendTo(layoutselect);
    $("<option/>").attr("value", "single").text("Single Column")
        .appendTo(layoutselect);
    $("<option/>").attr("value", "synchtube").text("Synchtube")
        .appendTo(layoutselect);
    $("<option/>").attr("value", "fluid").text("Fluid")
        .appendTo(layoutselect);
    layoutselect.val(USEROPTS.layout);
    addOption("Layout", layoutselect);
    var warn = $("<p/>").addClass("text-error")
        .text("Changing layouts may require a refresh")
    addOption("", warn);
    $("<hr>").appendTo(form);

    var synchcontainer = $("<label/>").addClass("checkbox")
        .text("Synchronize Media");
    var synch = $("<input/>").attr("type", "checkbox").appendTo(synchcontainer);
    synch.prop("checked", USEROPTS.synch);
    addOption("Synch", synchcontainer);

    var syncacc = $("<input/>").attr("type", "text")
        .attr("placeholder", "Seconds");
    syncacc.val(USEROPTS.sync_accuracy);
    addOption("Synch Accuracy", syncacc);

    var vidcontainer = $("<label/>").addClass("checkbox")
        .text("Hide Video");
    var hidevid = $("<input/>").attr("type", "checkbox").appendTo(vidcontainer);
    hidevid.prop("checked", USEROPTS.hidevid);
    addOption("Hide Video", vidcontainer);
    $("<hr>").appendTo(form);

    var tscontainer = $("<label/>").addClass("checkbox")
        .text("Show timestamps in chat");
    var showts = $("<input/>").attr("type", "checkbox").appendTo(tscontainer);
    showts.prop("checked", USEROPTS.show_timestamps);
    addOption("Show timestamps", tscontainer);

    var blinkcontainer = $("<label/>").addClass("checkbox")
        .text("Flash title on every incoming message");
    var blink = $("<input/>").attr("type", "checkbox").appendTo(blinkcontainer);
    blink.prop("checked", USEROPTS.blink_title);
    addOption("Chat Notice", blinkcontainer);

    var sendbtncontainer = $("<label/>").addClass("checkbox")
        .text("Add a send button to the chatbox");
    var sendbtn = $("<input/>").attr("type", "checkbox").appendTo(sendbtncontainer);
    sendbtn.prop("checked", USEROPTS.chatbtn);
    addOption("Send Button", sendbtncontainer);

    var altsocketcontainer = $("<label/>").addClass("checkbox")
        .text("Use alternative socket connection");
    var altsocket = $("<input/>").attr("type", "checkbox")
        .appendTo(altsocketcontainer);
    altsocket.prop("checked", USEROPTS.altsocket);
    addOption("Alternate Socket", altsocketcontainer);

    var profile = $("<a/>").attr("target", "_blank")
        .addClass("btn")
        .attr("href", "./account.html")
        .text("Profile has moved to the account page");
    addOption("Profile", profile);

    if(RANK >= Rank.Moderator) {
        $("<hr>").appendTo(form);
        var modhatcontainer = $("<label/>").addClass("checkbox")
            .text("Show name color");
        var modhat = $("<input/>").attr("type", "checkbox").appendTo(modhatcontainer);
        modhat.prop("checked", USEROPTS.modhat);
        addOption("Modflair", modhatcontainer);
    }

    var footer = $("<div/>").addClass("modal-footer").appendTo(modal);
    var submit = $("<button/>").addClass("btn btn-primary pull-right")
        .text("Save")
        .appendTo(footer);

    submit.click(function() {
        USEROPTS.theme           = themeselect.val();
        USEROPTS.css             = usercss.val();
        USEROPTS.layout          = layoutselect.val();
        USEROPTS.synch           = synch.prop("checked");
        USEROPTS.sync_accuracy   = parseFloat(syncacc.val()) || 2;
        USEROPTS.hidevid         = hidevid.prop("checked");
        USEROPTS.show_timestamps = showts.prop("checked");
        USEROPTS.blink_title     = blink.prop("checked");
        USEROPTS.chatbtn         = sendbtn.prop("checked");
        USEROPTS.altsocket       = altsocket.prop("checked");
        if(RANK >= Rank.Moderator) {
            USEROPTS.modhat = modhat.prop("checked");
        }
        saveOpts();
        modal.modal("hide");
    });

    modal.on("hidden", function() {
        PLAYER.unhide();
        applyOpts();
        modal.remove();
    });
    modal.modal();
}

function saveOpts() {
    for(var key in USEROPTS) {
        localStorage.setItem(key, USEROPTS[key]);
    }
}

// To be overridden in callbacks.js
function setupNewSocket() { }

function applyOpts() {
    $("#usertheme").remove();
    if(USEROPTS.theme != "default") {
        $("<link/>").attr("rel", "stylesheet")
            .attr("type", "text/css")
            .attr("id", "usertheme")
            .attr("href", USEROPTS.theme)
            .appendTo($("head"));
    }

    $("#usercss").remove();
    if(USEROPTS.css) {
        $("<link/>").attr("rel", "stylesheet")
            .attr("type", "text/css")
            .attr("id", "usercss")
            .attr("href", USEROPTS.css)
            .appendTo($("head"));
    }

    switch(USEROPTS.layout) {
        case "large":
            largeLayout();
            break;
        case "huge":
            hugeLayout();
            break;
        case "single":
            singleColumnLayout();
            break;
        case "synchtube":
            synchtubeLayout();
            break;
        case "fluid":
            fluidLayout();
            break;
        default:
            break;
    }

    if(USEROPTS.hidevid) {
        $("#videodiv").remove();
    }

    $("#chatbtn").remove();
    if(USEROPTS.chatbtn) {
        var btn = $("<button/>").addClass("btn btn-block")
            .text("Send")
            .attr("id", "chatbtn")
            .appendTo($("#chatdiv"));
        btn.click(function() {
            if($("#chatline").val().trim()) {
                socket.emit("chatMsg", {
                    msg: $("#chatline").val()
                });
                $("#chatline").val("");
            }
        });
    }

    if(USEROPTS.altsocket) {
        if(socket)
            socket.disconnect();
        socket = new NotWebsocket();
        setupNewSocket();
    }
    // Switch from NotWebsocket => Socket.io
    else if(socket && typeof socket.poll !== "undefined") {
        try {
            socket = io.connect(IO_URL);
            setupNewSocket();
        }
        catch(e) {
        }
    }
}

function idToURL(data) {
    var entry = "";
    switch(data.type) {
        case "yt":
            entry = "http://youtube.com/watch?v="+data.id;
            break;
        case "vi":
            entry = "http://vimeo.com/"+data.id;
            break;
        case "dm":
            entry = "http://dailymotion.com/video/"+data.id;
            break;
        case "sc":
            entry = data.id;
            break;
        case "li":
            entry = "http://livestream.com/"+data.id;
            break;
        case "tw":
            entry = "http://twitch.tv/"+data.id;
            break;
        case "rt":
        case "jw":
            entry = data.id;
            break;
        default:
            break;
    }
    return entry;
}

function genPermissionsEditor() {
    $("#chanperms").html("");
    var form = $("<form/>").addClass("form-horizontal")
        .attr("action", "javascript:void(0)")
        .appendTo($("#chanperms"));
    var fs = $("<fieldset/>").appendTo(form);

    function makeOption(text, key, permset, defval) {
        var group = $("<div/>").addClass("control-group")
            .appendTo(fs);
        $("<label/>").addClass("control-label")
            .text(text)
            .appendTo(group);
        var controls = $("<div/>").addClass("controls")
            .appendTo(group);
        var select = $("<select/>").appendTo(controls);
        select.data("key", key);
        for(var i = 0; i < permset.length; i++) {
            $("<option/>").attr("value", permset[i][1])
                .text(permset[i][0])
                .attr("selected", defval == permset[i][1])
                .appendTo(select);
        }
    }

    function addDivider(text) {
        $("<hr/>").appendTo(fs);
        $("<h3/>").text(text).appendTo(fs);
    }

    var standard = [
        ["Anonymous"    , "-1"],
        ["Guest"        , "0"],
        ["Registered"   , "1"],
        ["Leader"       , "1.5"],
        ["Moderator"    , "2"],
        ["Channel Admin", "3"]
    ];

    var modleader = [
        ["Leader"       , "1.5"],
        ["Moderator"    , "2"],
        ["Channel Admin", "3"]
    ];

    var modplus = [
        ["Moderator"    , "2"],
        ["Channel Admin", "3"]
    ];

    addDivider("Open playlist permissions");
    makeOption("Add to playlist", "oplaylistadd", standard, CHANPERMS.oplaylistadd+"");
    makeOption("Add/move to next", "oplaylistnext", standard, CHANPERMS.oplaylistnext+"");
    makeOption("Move playlist items", "oplaylistmove", standard, CHANPERMS.oplaylistmove+"");
    makeOption("Delete playlist items", "oplaylistdelete", standard, CHANPERMS.oplaylistdelete+"");
    makeOption("Jump to video", "oplaylistjump", standard, CHANPERMS.oplaylistjump+"");
    makeOption("Queue playlist", "oplaylistaddlist", standard, CHANPERMS.oplaylistaddlist+"");

    addDivider("General playlist permissions");
    makeOption("Add to playlist", "playlistadd", standard, CHANPERMS.playlistadd+"");
    makeOption("Add/move to next", "playlistnext", standard, CHANPERMS.playlistnext+"");
    makeOption("Move playlist items", "playlistmove", standard, CHANPERMS.playlistmove+"");
    makeOption("Delete playlist items", "playlistdelete", standard, CHANPERMS.playlistdelete+"");
    makeOption("Jump to video", "playlistjump", standard, CHANPERMS.playlistjump+"");
    makeOption("Queue playlist", "playlistaddlist", standard, CHANPERMS.playlistaddlist+"");
    makeOption("Queue livestream", "playlistaddlive", standard, CHANPERMS.playlistaddlive+"");
    makeOption("Add nontemporary media", "addnontemp", standard, CHANPERMS.addnontemp+"");
    makeOption("Temp/untemp playlist item", "settemp", standard, CHANPERMS.settemp+"");
    makeOption("Retrieve playlist URLs", "playlistgeturl", standard, CHANPERMS.playlistgeturl+"");
    makeOption("Shuffle playlist", "playlistshuffle", standard, CHANPERMS.playlistshuffle+"");
    makeOption("Clear playlist", "playlistclear", standard, CHANPERMS.playlistclear+"");

    addDivider("Polls");
    makeOption("Open/Close poll", "pollctl", modleader, CHANPERMS.pollctl+"");
    makeOption("Vote", "pollvote", standard, CHANPERMS.pollvote+"");

    addDivider("Moderation");
    makeOption("Kick users", "kick", modleader, CHANPERMS.kick+"");
    makeOption("Ban users", "ban", modplus, CHANPERMS.ban+"");
    makeOption("Edit MOTD", "motdedit", modplus, CHANPERMS.motdedit+"");
    makeOption("Edit chat filters", "filteredit", modplus, CHANPERMS.filteredit+"");

    addDivider("Misc");
    makeOption("Drink calls", "drink", modleader, CHANPERMS.drink+"");

    var submit = $("<button/>").addClass("btn btn-primary").appendTo(fs);
    submit.text("Save");
    submit.click(function() {
        var perms = {};
        fs.find("select").each(function() {
            perms[$(this).data("key")] = parseFloat($(this).val());
        });
        socket.emit("setPermissions", perms);
    });
}

function hasPermission(key) {
    if(key.indexOf("playlist") == 0 && OPENQUEUE) {
        var key2 = "o" + key;
        var v = CHANPERMS[key2];
        if(typeof v == "number" && RANK >= v) {
            return true;
        }
    }
    var v = CHANPERMS[key];
    if(typeof v != "number") {
        return false;
    }
    return RANK >= v;
}

function makeAlert(title, text, klass) {
    if(!klass) {
        klass = "alert-info";
    }

    var al = $("<div/>").addClass("alert")
        .addClass(klass)
        .text(text);
    $("<br/>").prependTo(al);
    $("<strong/>").text(title).prependTo(al);
    $("<button/>").addClass("close pull-right").html("&times;")
        .click(function() {
            al.hide("blind", function() {
                al.remove();
            });
        })
        .prependTo(al);
    return al;
}