// ==UserScript==
// @name        What.CD to bB Crossposter
// @description Fills the bB upload form with data from WCD
// @namespace   BlackNullerNS
// @include     http*://what.cd/torrents.php*
// @include     http*://what.cd/artist.php?id=*
// @version     1.1.4
// @grant       GM_xmlhttpRequest
// @downloadURL none
// ==/UserScript==

var span, pos, lnk;

var bb = document.createElement('a');
bb.textContent = '+bB';
bb.setAttribute('href', '#');
bb.setAttribute('title', 'Crosspost to bB');

var userId = document.getElementById('nav_userinfo').firstElementChild.getAttribute('href').split('?id=')[1];

if (document.location.href.indexOf('type=seeding&userid=' + userId) > -1 || document.location.href.indexOf('type=uploaded&userid=' + userId) > -1) {
    var t, torrents = document.getElementsByClassName('torrent_links_block');

    for (var i = 0, l = torrents.length; i < l; i++) {
        t = torrents.item(i);
        pos = t.lastElementChild.nextSibling;
        t.insertBefore(document.createTextNode(" | "), pos);

        lnk = bb.cloneNode(true);
        lnk.onclick = crossPostToBb;

        t.insertBefore(lnk, pos);
    }

    return;
}

var seeded = document.getElementsByClassName('wcds_seeding');
if (seeded.length === 0) seeded = document.getElementsByClassName('wcds_snatched');
if (seeded.length === 0) seeded = document.getElementsByClassName('wcds_uploaded');

if (seeded.length > 0) {
    for (var i = 0, l = seeded.length; i < l; i++) {
        span = seeded.item(i).parentNode.firstElementChild;
        pos = span.lastElementChild.nextSibling;
        span.insertBefore(document.createTextNode(" | "), pos);

        lnk = bb.cloneNode(true);
        lnk.onclick = crossPostToBb;

        span.insertBefore(lnk, pos);
    }

    return;
}

seeded = document.getElementsByClassName('snatched_torrent');
if (seeded.length > 0) {
    for (var i = 0, l = seeded.length; i < l; i++) {
        span = seeded.item(i).firstElementChild.firstElementChild;
        pos = span.lastElementChild.nextSibling;
        span.insertBefore(document.createTextNode(" | "), pos);

        lnk = bb.cloneNode(true);
        lnk.onclick = crossPostToBb;

        span.insertBefore(lnk, pos);
    }

    return;
}

function loadTorrentInfo(a, callback)
{
    var tr = a.closest('tr');

    var id = ('id' in tr && tr.id)
        ? tr.id.replace('torrent', '')
        : a.parentNode.firstElementChild.getAttribute('href').split('&id=')[1].split('&')[0];

	GM_xmlhttpRequest({
		url: 'https://what.cd/ajax.php?action=torrent&id=' + id,
		method: 'GET',
		onload: function(response){
            try {
    			var data = JSON.parse(response.responseText);

    			if (data.status !== 'success') {
    				alert('Request failed!');
    				return;
    			}
            } catch (e) {
                alert('Bad response from What.CD API');
                return;
            }

            if (!('torrent' in data.response)) {
                alert('Unexpected response from What.CD API');
                return;
            }

            callback(data.response);
		},
		timeout: 7000,
		ontimeout: function(response){
			alert('API request timed out!');
		}
	});

    return false;
}

function crossPostToBb(data)
{
    if (!('torrent' in data)) {
        return loadTorrentInfo(this, crossPostToBb);
    }

    var form = document.createElement('form');
    form.setAttribute('target', '_blank');
    form.setAttribute('method', 'post');
    form.setAttribute('action', 'https://baconbits.org/upload.php');

    input(form, 'type', data.group.categoryName);

    var artist = '';
    var groupName = data.group.name.replace(/&amp;/g, '&');

    if (data.group.categoryName === 'Music') {
        var media = data.torrent.media;
        if (media === 'WEB') media = 'Web';

        if (data.group.musicInfo.artists.length > 2) {
            artist = 'Various Artists';
        } else if (data.group.musicInfo.artists.length === 2) {
            artist = data.group.musicInfo.artists[0].name + ' & ' + data.group.musicInfo.artists[1].name;
        } else {
            artist = data.group.musicInfo.artists[0].name;
        }
        artist = artist.replace(/&amp;/g, '&');

        input(form, 'artist', artist);
        input(form, 'media', media);
        input(form, 'format', data.torrent.format);
        input(form, 'bitrate', data.torrent.encoding);

        if (data.torrent.remasterTitle) {
            input(form, 'remaster', 1);
            input(form, 'remaster_year', data.torrent.remasterYear);
            input(form, 'remaster_title', data.torrent.remasterTitle);
        }
    }

    if (data.group.categoryName === 'Music' || data.group.categoryName === 'Audiobooks') {
        input(form, 'album_desc', strip(data.group.wikiBody));
        input(form, 'release_desc', strip(data.torrent.description));
    } else {
        input(form, 'desc', strip(data.group.wikiBody) + "\n" + strip(data.torrent.description));
    }

    input(form, 'submit', 'true');
    input(form, 'image', data.group.wikiImage);
    input(form, 'title', groupName);
    input(form, 'year', data.group.year);
    input(form, 'tags', data.group.tags.join(', '));

    if (data.torrent.scene) {
        input(form, 'scene', 1);
    }

	var div = document.createElement("div");
	div.setAttribute("id","bbConfirm");
	div.setAttribute("style", "position:fixed;width:260px;top:50%;left:50%;margin-top:-5%;margin-left:-130px;padding:30px;display:inline-block;border:1px solid #666;border-radius:6px;-moz-box-shadow: 0px 0px 7px #2e2e2e;-webkit-box-shadow: 0px 0px 7px #2e2e2e;box-shadow: 0px 0px 7px #2e2e2e;background:#fff;text-align:center;z-index:200;transition:all 0.5s;transition-delay:0s;");

	var search = document.createElement("div");
    search.style.marginBottom = '18px';
    search.textContent = 'Searching bB...';

	var btn = document.createElement("button");
	btn.type = "submit";
	btn.appendChild(document.createTextNode("Repost to bB?"));

    div.appendChild(search);
    div.appendChild(btn);

	var a = document.createElement("a");
	a.style.cursor = "pointer";
	a.appendChild(document.createTextNode("Cancel"));
	div.appendChild(document.createElement("br"));
	div.appendChild(document.createElement("br"));
    div.appendChild(a);

    form.appendChild(div);

	document.body.appendChild(form);
    
	form.onsubmit = function(){
        setTimeout(function(){
            form.parentNode.removeChild(form);
        }, 1000);
	};

	a.onclick = function(){
        form.parentNode.removeChild(form);
	};

    url = data.group.categoryName === 'Music'
        ? 'https://baconbits.org/torrents.php?artistname='+ encodeURIComponent(artist) +'&action=advanced&torrentname='+ encodeURIComponent(groupName) +'&format='+ encodeURIComponent(data.torrent.format) +'&disablegrouping=1'
        : 'https://baconbits.org/torrents.php?disablegrouping=1&searchstr=' + encodeURIComponent(groupName);

	GM_xmlhttpRequest({
		url: url,
		method: 'GET',
		onload: function(response){
            if (response.responseText.indexOf('action=download') === -1) {
                search.innerHTML = '<a href="'+ url +'" target="_blank">No duplicates found on bB, go ahead!</a>';
                return;
            }

            div.style.width = '600px';
            div.style.marginLeft = '-300px';

            var searchLink = document.createElement('a');
            searchLink.setAttribute('href', url);
            searchLink.setAttribute('target', '_blank');
            searchLink.style.fontWeight = 'bold';
            searchLink.textContent = 'Found on bB:';

            search.textContent = '';
            search.appendChild(searchLink);
            search.appendChild(document.createElement('br'));

            var dom = document.createElement("div");
            dom.insertAdjacentHTML("afterbegin", response.responseText.replace(/<img /g, '<meta '));

            var td, a, row, results = dom.getElementsByClassName("torrent");

            for (var i = 0, l = results.length; i < l; i++) {
                td = results.item(i).firstElementChild.nextElementSibling;

                remove(td.firstElementChild);
                remove(td.lastElementChild);

                row = document.createElement('div');
                row.innerHTML = td.innerHTML;

                row.firstElementChild.setAttribute('href', 'https://baconbits.org/' + row.firstElementChild.getAttribute('href'));
                row.firstElementChild.nextElementSibling.setAttribute('href', 'https://baconbits.org/' + row.firstElementChild.nextElementSibling.getAttribute('href'));

                search.appendChild(row);
            }

		},
		timeout: 7000,
		ontimeout: function(response){
            search.textContent = 'bB request timed out!';
		}
	});

    return false;
}

function remove(node)
{
    node.parentNode.removeChild(node);
}

function input(form, name, value)
{
    var input = document.createElement('input');
    input.setAttribute('type', 'hidden');
    input.setAttribute('name', name);
    input.setAttribute('value', value);

    form.appendChild(input);
}

function strip(html)
{
    html = html.replace(/<a.*?href="([^"]+)".*?>(.+?)<\/a>/g, "[url=$1]$2[/url]");
    html = html.replace(/<img.*?src="([^"]+)".*?>/g, "[img]$1[/img]");
    html = html.replace(/<span class="size(\d+)">(.+?)<\/span>/g, "[size=$1]$2[/size]");
    html = html.replace(/<span style="color: ([^"]+?);">(.+?)<\/span>/g, "[color=$1]$2[/color]");
    html = html.replace(/<ol.*?>(.+?)<\/ol>/g, "[list=1]\n$1[/list]");
    html = html.replace(/<ul.*?>(.+?)<\/ul>/g, "[list]\n$1[/list]");
    html = html.replace(/<li.*?>(.+?)<\/li>/g, "[#]$1\n");
    html = html.replace(/<b>(.+?)<\/b>/g, "[b]$1[/b]");
    html = html.replace(/<strong>(.+?)<\/strong>/g, "[b]$1[/b]");
    html = html.replace(/<i>(.+?)<\/i>/g, "[i]$1[/i]");
    html = html.replace(/<em>(.+?)<\/em>/g, "[i]$1[/i]");
    html = html.replace(/<s>(.+?)<\/s>/g, "[s]$1[/s]");
    html = html.replace(/<u>(.+?)<\/u>/g, "[u]$1[/u]");

    html = html.replace(/\[hide/g, "[spoiler");
    html = html.replace(/\[\/hide\]/g, "[/spoiler]");

    var tmp = document.createElement("DIV");
    tmp.innerHTML = html;
    return tmp.textContent || tmp.innerText || "";
}