// ==UserScript==
// @name        Download all
// @namespace   Violentmonkey Scripts
// @include     https://bamboo.internal.numetric.com/*/ci_test_logs
// @grant       none
// @version     1.0
// @author      -
// @description 10/24/2023, 1:01:20 PM
// ==/UserScript==

async function main() {
  const [parent, ...links] = [...document.querySelectorAll('table>tbody>tr>td>a')].map(({ href }) => href)
  const job = parent.split('/')[5].toLowerCase()

  const records = links.map((link) => {
    const filename = link.split('/')[9];
    const tag = `_${job}_`;
    const tagIndex = filename.indexOf(tag);
    if (filename.endsWith(`_${job}.log`)) {
      let containerName = filename.split('_').slice(1, -1).join('_');
      containerName = containerName.substring(0, containerName.length - 32);
      return { link, containerName };
    } else if(tagIndex !== -1) {
      const containerName = filename.substring(tagIndex + tag.length, filename.length - '.log'.length);
      return { link, containerName };
    }
  }).filter((obj) => !!obj);

  let parts = [];
  for (const { link, containerName } of records) {
    const response = await fetch(link);
    const text = await response.text();
    const lines = text.split('\n');
    const newlines = lines.map((line) => {
      const [timestamp, ...rest] = line.split(' ');
      return [timestamp, containerName, ...rest].join(' ');
    });
    parts.push(`${newlines.join('\n')}\n`);
  }
  parts = [parts.join('').split('\n').sort().join('\n')];

  function downloadBlob(blob, filename) {
    // Create an object URL for the blob object
    const url = URL.createObjectURL(blob);

    // Create a new anchor element
    const a = document.createElement('a');

    // Set the href and download attributes for the anchor element
    // You can optionally set other attributes like `title`, etc
    // Especially, if the anchor element will be attached to the DOM
    a.href = url;
    a.download = filename || 'download';

    // Click handler that releases the object URL after the element has been clicked
    // This is required for one-off downloads of the blob content
    const clickHandler = () => {
      setTimeout(() => {
        URL.revokeObjectURL(url);
        removeEventListener('click', clickHandler);
      }, 150);
    };

    // Add the click event listener on the anchor element
    // Comment out this line if you don't want a one-off download of the blob content
    a.addEventListener('click', clickHandler, false);

    // Programmatically trigger a click on the anchor element
    // Useful if you want the download to happen automatically
    // Without attaching the anchor element to the DOM
    // Comment out this line if you don't want an automatic download of the blob content
    //a.click();

    // Return the anchor element
    // Useful if you want a reference to the element
    // in order to attach it to the DOM or use it in some other way
    return a;
  }

  const element = downloadBlob(new Blob(parts), 'all-combined.log');
  element.title = 'all-combined.log';
  element.classList.add('btn-link', 'download-link');
  element.textContent = 'all-combined.log';
  document.body.appendChild(element);
}
main().catch(e => console.error(e));