// ==UserScript==
// @name           imgbox tweaker
// @namespace      surrealmoviez.info
// @description    Adds custom formatted links and other improvements.
// @icon           data:image/png;base64,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
// @include        https://imgbox.com/
// @include        https://imgbox.com/upload/edit/*
// @include        https://imgbox.com/gallery/edit/*
// @require        https://code.jquery.com/jquery-3.5.1.min.js
// @version        1.1
// @grant          none
// @run-at         document-start
// @downloadURL none
// ==/UserScript==
/*
//==============================================================================
//                         Version History:
//==============================================================================

1.1     -    Fixed: The script was breaking the upload page.

1.0     -    New feature: Working Copy buttons.
             Added an icon for the script.

0.0.4   -    Disabled centering for BBCode boxes (can be enabled with a variable below).

0.0.3   -    Fixed: the script wasn't working with the current imgbox.

0.0.2   -    Last version from SMz before his disappearance.

*/

// Change this to true to enable [center] BBCode:
const enable_center = false;


/**
 * Sets array elements into placeholders of a pattern.
 * @param {string} Base pattern. Placeholders as {%i} for the i-th replacement
 *        array.
 * @param {...string[]} Replacement sources for the pattern. The first array
 *        will set the returned array length.
 * @return {string[]} Replaced pattern elements.
 */
function createPatternedArray() {
  var pattern = arguments[0];
  var modArray = [];
  for (var i = 0; i < arguments[1].length; i++) {
    modArray[i] = pattern;
  }
  for (var j = 1; j < arguments.length; j++) {
    for (var k = 0; k < modArray.length; k++) {
      var replacement = arguments[j][k] || '';
      modArray[k] = modArray[k].split('{%' + j + '}').join(replacement);
    }
  }
  return modArray;
}


function copyInfoToClipboard(collect) {
  document.body.insertBefore(collect,document.body.firstChild);
  collect.focus();
  collect.select();
  const x = document.execCommand('copy');
  document.body.removeChild(collect);
}


function startImboxTweaker() {
  // Stop the script if on the upload page
  if ($('#upload-form').length === 1) {
    console.log("Imgbox Tweaker: Upload page detected. Terminate!");
    return;
  } else {
    console.log("Imgbox Tweaker: Upload page not detected. Continue!");
  }

  // Index page
  if ($('#upload-form').length === 1) {
    // Set defaults to enable 1-click upload
    $('#dropdown-content-type').val('2');
    $('#thumbnail-option').val('250r');
    $('#comments-option').val('0');
    $('#gallery-option').val('3');
  }

  // Upload result
  if ($('#codes-full').length === 1) {
    // Display all available outputs
    $('#codes-full').show().css('visibility', 'visible')
      .insertBefore('#codes-thumb');
    $('#codes-thumb').show().css('visibility', 'visible');

    // Extract direct links to full images and thumbs
    var links = [];
    $($('#code-html-full').text()).find('img').each(function() {
      links.push($(this).attr('src'));
    });

    var thumbs = [];
    $($('#code-html-thumb').text()).find('img').each(function() {
      thumbs.push($(this).attr('src'));
    });

    // Modify the existing outputs and titles, display all options
    $('#code-link-full')
      .text(links.join('\n'))
      .prev('div').children('span').text('Full size plain');
    $('#code-html-full')
      .text('<center>' +
        createPatternedArray('<img src="{%1}">', links).join('\n\n') +
        '</center>')
      .prev('div').children('span').text('Full size HTML');

    if(enable_center == true){
      $('#code-bb-full')
        .text('[center]' +
          createPatternedArray('[img]{%1}[/img]', links).join('\n\n') +
          '[/center]')
        .prev('div').children('span').text('Full size BBCode');
    } else {
      $('#code-bb-full')
        .text(createPatternedArray('[img]{%1}[/img]', links).join('\n\n'))
        .prev('div').children('span').text('Full size BBCode');
    }

    $('#code-link-thumb')
      .text(thumbs.join('\n'))
      .prev('div').children('span').text('Thumbs plain');
    $('#code-html-thumb')
      .text('<center>' +
        createPatternedArray('<a href="{%1}" target="imgbox-full-size">' +
          '<img src="{%2}"></a>', links, thumbs).join('\n\n') +
        '</center>')
      .prev('div').children('span').text('Linked thumbs HTML');

    if(enable_center == true){
      $('#code-bb-thumb')
        .text('[center]' +
          createPatternedArray('[url={%1}][img]{%2}[/img][/url]', links, thumbs)
            .join('\n\n') +
          '[/center]')
        .prev('div').children('span').text('Linked thumbs BBCode');
    } else {
      $('#code-bb-thumb')
        .text(createPatternedArray('[url={%1}][img]{%2}[/img][/url]', links, thumbs)
                .join('\n\n'))
        .prev('div').children('span').text('Linked thumbs BBCode');
    }

    // Preparing copy buttons
    let buttons = $('.clipboard-button');

    if (buttons.length > 2) {
      buttons.each(function() {
        let elem = $(this);
            elem.off("click");
        const collect_id  = elem.attr("data-clipboard-target");
        const collect_txt = $('#' +collect_id).text();

        let collect = document.createElement("textarea");
            collect.innerHTML+=collect_txt;
        elem.click(function() {
          copyInfoToClipboard(collect);
        });
      });
    }
  }
}

document.addEventListener('DOMContentLoaded', startImboxTweaker);