BBS Passwords

// ==UserScript==
// @name             BBS Passwords
// @namespace        dollars-bbs.org
// @author           Degritone
// @description      Shows the Password input box when you click new reply/thread
// @match            *://*.dollars-bbs.org/*
// @grant            none
// ==/UserScript==

function work(loaded){
  let threadlinks = document.getElementsByClassName("threadlinks");
  if(threadlinks.length<1){
    setTimeout(work,100,false);
    return;
  }
  if(!loaded){
    setTimeout(work,1000,true);
    return;
  }
  let newposts = [];
  for(let i=0;i<threadlinks.length;i++){
    let a = 0;
    if(window.location.href.includes("/res/"))
      a++;
    newposts[i] = threadlinks[i].getElementsByTagName("a")[a];
  }

  let forms = [];

  for(let i=0;i<newposts.length;i++){
    if(newposts[i]){
      forms[i] = newposts[i].parentNode.parentNode.parentNode.parentNode.parentNode.parentNode;
      let threadNumber = newposts[i].href.match(/reply[0-9]+/)[0].replace("reply","");
      newposts[i].href = newposts[i].href+" show('password"+threadNumber+"');"
      let pw = document.createElement("input");
      pw.type = "text";
      pw.value = forms[i].password.value;
      pw.oninput = ()=>{forms[i].password.value = pw.value;};
      let tr = document.createElement("tr");
      tr.id = "password"+threadNumber;
      tr.style.display = "none";
      let td = document.createElement("td");
      td.innerHTML = "Password:";
      tr.appendChild(td);
      let td2 = document.createElement("td");
      td2.appendChild(pw);
      tr.appendChild(td2);
      if(document.getElementById("reply"+threadNumber))
        document.getElementById("reply"+threadNumber).after(tr);
    }
  }

  if(document.getElementById("createbox")){
    let newthread = document.getElementById("createbox").getElementsByClassName("innerbox")[0].getElementsByTagName("a")[0];
    newthread.href = newthread.href+" show('threadpassword');";

    let threadform = document.getElementById("threadform");
    let pw = document.createElement("input");
    pw.type = "text";
    pw.oninput = ()=>{threadform.password.value = pw.value;};
    let tr = document.createElement("tr");
    tr.style.display = "none";
    tr.id = "threadpassword";
    let td = document.createElement("td");
    td.innerHTML = "Password:";
    tr.appendChild(td);
    let td2 = document.createElement("td");
    td2.appendChild(pw);
    tr.appendChild(td2);
    if(document.getElementById("postname"))
      document.getElementById("postname").after(tr);
  }
}

work(false);