// ==UserScript==
// @name         Quote in locked threads
// @namespace    https://bitcointalk.org
// @version      0.1
// @description  Save headache when quoting from locked threads
// @author       minifrij
// @match        https://bitcointalk.org/index.php?topic=*
// @require      https://code.jquery.com/jquery-3.4.1.slim.min.js
// @grant        none
// ==/UserScript==

function post2BB(input){
    //This deletes all quotes in the post
    //I do this because I can't be arsed with them.
    //https://www.youtube.com/watch?v=Jne9t8sHpUc
    //Maybe it's something I'll fix later, if no one else has a go
    //Don't hold your breath though
    input = input.replace(/<div class="quoteheader">.*?<\/div>/g, '');
    input = input.replace(/<div class="quote">.*<\/div>/g, '');

    //FFS (For Formatting Sake)
    let output = "\n";

    //Match and replace some basic tags
    input = input.replace(/<br>/g, "\n");
    input = input.replace(/<hr>/g, "[hr]");
    input = input.replace(/<span class="BTC">BTC<\/span>/g, "[btc]");
    input = input.replace(/<b>([\S|\s]*?)<\/b>/gm, "[b]$1[/b]");
    input = input.replace(/<i>([\S|\s]*?)<\/i>/gm, "[i]$1[/i]");
    input = input.replace(/<span style="text-decoration: underline;">([\S|\s]*?)<\/span>/gm, "[u]$1[/u]");
    input = input.replace(/<del>([\S|\s]*?)<\/del>/gm, "[s]$1[/s]");

    //I felt like a genius when I figured this out. I'm not very good with regex
    //If someone tries to make a link go over several lines this will break, but what sort of a barbarian would do that?
    //Is that even possible?
    input = input.replace(/<a.*href="(.*?)">(.*?)<\/a>/g, '[url=$1]$2[/url]');

    //I'll reason with you, this doesn't really work too good
    //If the layout of your post is broken, this part is probably why
    //However, so long as you're not quoting the post of a crazed lunatic (or minerjones) you're probably alright
    input = input.replace(/<span style="font-size: (\d*pt) !important; line-height:.*;">([\S|\s]*?)<\/span>/g, '[size=$1]$2[/size]');
    input = input.replace(/<span style="background-color: (.*?);">([\S|\s]*?)<\/span>/g, '[glow=$1,2,300]$2[/glow]');
    input = input.replace(/<span style="color: (.*);">([\S|\s]*?)<\/span>/g, '[color=$1]$2[/color]');

    //Deal with the images and the image proxy
    //Sometimes this doesn't properly match an image. I don't know why.
    images = input.match(/<img class="userimg.*?".*?>/gm);
    console.log(images);
    if(images !== null){
        for(let i=0;i<images.length;i++){
            let image = /<img.*src="https:\/\/ip\.bitcointalk\.org\/\?u=(.*?)&amp;t=.*&amp;c=.*".*>/g.exec(images[i]);
    
            input = input.replace(images[i], '[img]' + decodeURIComponent(image[1]) + '[/img]')
        }
    }

    //Lazily delete any other tags that are left behind
    input = input.replace(/<.*?>|<\/.*?>/g, '');

    //Add the cooked parsed-a to the pan
    output += input;

    //Season it
    output += "\n";

    //Plate it
    return output;
}

(function() {
    'use strict';

    //This script uses jQuery because I didn't feel like spending 2 weeks writing this thing
    //Feel free to remove it if you really want to, I wish you the best of luck

    if($('a[href^="https://bitcointalk.org/index.php?action=logout;"]').length == 0){
        return;
    }

    let topicIcon = $('img[src^="https://bitcointalk.org/Themes/custom1/images/topic/"]');
    if(topicIcon.length == 0 || !topicIcon.attr('src').includes('locked')){
        return;
    }

    //If you've got this far then you're both logged in and on a locked topic. Way to go, champ!

    //Create the quote button
    let quoteButton = '<a style="cursor:pointer;" class="fake-quote"><img src="https://bitcointalk.org/Themes/custom1/images/frostee/frostee_quote.png" alt="Reply with quote" class="reply_button" style="vertical-align: middle;"></a>';
    $('div[id^="ignmsgbttns"]').prepend(quoteButton);

    //Make said quote button do things
    $('.td_headerandpost').on('click', '.fake-quote', function(){
        let quoteBB = '';
        let postArea = $(this).parents('.td_headerandpost');

        //Get all the necessary stuff for building a quote
        let quoteUser = postArea.prev().find('a[title^="View the profile of"]').text().trim();
        let quoteLink = postArea.find('.subject a').attr('href').split('?')[1].trim();
        let quoteDate = Math.round(new Date(postArea.find('.subject').next().text()).getTime()/1000);

        //If the post has been edited, it'll run this
        if(quoteDate.toString() == 'NaN'){
            quoteDate = Math.round(new Date(postArea.find('.subject').next().find('span:first-child').text()).getTime()/1000);
        }

        //Build the quote
        quoteBB += '[quote author=' + quoteUser + ' link=' + quoteLink + ' date=' + quoteDate + ']';

        //Enjoy your meal.
        quoteBB += post2BB(postArea.find('.post').html());

        quoteBB += '[/quote]';

        //Create a textarea, make it fill the post and put the quote inside
        let quoteArea = '<textarea style="position:absolute;width:calc(100% - 6px);height:calc(100% - 6px);top:0;left:0;">' + quoteBB + '</textarea>';
        
        //Shove it in place of the post
        postArea.find('.post').attr('style', 'position:relative;overflow:hidden;min-height:200px;');
        postArea.find('.post').append(quoteArea);
    });
})();