// ==UserScript==
// @name          debianforum.de-nopaste-addition
// @namespace     org.free.for.all
// @require       http://code.jquery.com/jquery-latest.min.js
// @include       /^https?://debianforum\.de/forum/posting\.php.*/
// @author        Thorsten Sperber
// @version       3.0
// ==/UserScript==

const MIN_LINES=20;
const MIN_CHARACTERS=20000;

function sleep(ms) {
    var start = new Date().getTime(), expire = start + ms;
    while (new Date().getTime() < expire) { }
    return;
}

$("#format-buttons").append('<input type="button" class="button2" name="addbbcodeNOPASTE" value="NoPaste" id="nopaster" title="Pasta">');

function replaceIt(txtarea, newtxt, start, end) {
    $(txtarea).val(
        $(txtarea).val().substring(0, start)+
        newtxt+
        $(txtarea).val().substring(end)
    );
}
function getMessageText (ta) { return ta.value.substring(ta.selectionStart, ta.selectionEnd); }

function postSelection(data, textStatus, jqXHR)
{
    var message = $("#message")[0];
    var start = message.selectionStart;
    var end = message.selectionEnd;

    var pasteID = data.REFRESH_DATA.url.match(/[0-9]+$/)[0];
    console.log("pasteID: " + pasteID);
    replaceIt(message, '[np]' + pasteID + '[/np]', start, end);
}

function checkAll(textarea) {
    var counter = 0;
    var last_found = 0;

    var message = textarea.value;

    var start = message.indexOf("[code]");
    var end = message.indexOf("[/code]");
    if (start == -1) { return; }

    // message excluding the code tags
    var long_text = message.slice(start + 6, end);
    var line_count = (long_text.match(/\n/g) || []).length;

    console.log("[" + counter + "]", "found:", start, end, "beginning at", last_found);
    var confirm_message = "found: " + (end-start) + " chars long with " + line_count + " lines, delete?";
    console.log(confirm_message);
    // var do_it = confirm(confirm_message);
    // cannot confirm due to greasemonkey/firefox bug

    if (line_count > MIN_LINES || (end-start) > MIN_CHARACTERS) {
        textarea.setSelectionRange(start, end + 7);
        console.log("send to nopaste");
        sendToNoPaste(long_text, postSelection, end + 7);
    } else {
        console.log("not worth it");
    }
}

function sendToNoPaste(message, callback) {
    var url = "https://debianforum.de/forum/pastebin/";

    // rip some secrets from the page first, otherwise we won't get anywhere
    $.get(url).done(function(resp) {
        var ctime = resp.match(/creation_time"\s+value="(.+)"/).pop();
        var token = resp.match(/form_token"\s+value="(.+)"/).pop();

        // I do not know what I am doing. Request fails (but status 200) if done immediately...
        // Spam protection maybe?
        sleep(1000);
        var data =
            {
                snippet_title: $("#subject").val(),
                // the nopaste service behaves strange if it finds the sid.. maybe due to length?
                snippet_desc: window.location.href.replace(/&sid=.*/, ''),
                snippet_highlight: "text",
                pruning_months: -1,
                fileupload: null,
                snippet_text: message,
                mode: "post",
                creation_time: ctime,
                form_token: token,
                submit: "Absenden"
            };
        // console.log(url);
        // console.log(data);
        $.ajax(
            {
                type: 'POST',
                url: url,
                data: data,
                dataType: "json",
                success: function(data, textStatus, jqXHR) {
                    callback(data);
                    checkAll($("#message")[0]);
                },
                error: function(data, textStatus, jqXHR) { console.log("error while sending to nopaste"); console.log(data); console.log(textStatus); }
            });
    });
}

$("#nopaster").click(function() {
    checkAll($("#message")[0]);
});