// ==UserScript==
// @name         ao3 rekudos converter
// @version      2.0
// @history      2.0 - added confirmation check for rekudosing, did cleaned up
// @history      1.55 - fixed stupid spelling errors
// @history      1.5 - rename, add extra comment fields and ID functionality
// @history      1.0 - basic functionality
// @description  automatically comment on a fic when you've already left kudos
// @include      /https?://archiveofourown\.org/.*works/\d+/
// @grant        none
// @namespace    https://greasyfork.org/users/36620
// @downloadURL none
// ==/UserScript==

//ACNOWLEDGEMENT: most of the method is cribbed from "ao3 no rekudos" by scriptfairy
//Rest is cribbed from "Change Ao3 Kudos button text to Glory" by AlectoPerdita
//I do not know enough JS to do shit like this on my own
//https://greasyfork.org/en/scripts/406616-ao3-no-rekudos
//https://greasyfork.org/en/scripts/390197-change-ao3-kudos-button-text-to-glory/code

//SETUP//
var auto = false;
    //Set to "true" if you want to skip the confirmation automatically.

var comments = Array(
    "Extra Kudos<3",
    "This is an extra kudos, since I've already left one. :)",
    "I just wanted to leave another kudos<3"
);
    //Remember to keep your message between the quotation marks.
    //Remember to separate comments with a comma!
    //Message max length: 10000 characters
//****//

//Definitions
var greeting, username, work_id, kudos, kudo_btn, cmnt_btn, cmnt_field, id;

greeting = document.getElementById('greeting');

username = greeting.querySelector('a').href;
username = username.slice(username.lastIndexOf('/')+1);

work_id = window.location.pathname;
work_id = work_id.substring(work_id.lastIndexOf('/')+1);

kudos = document.getElementById('feedback');
kudos = kudos.querySelectorAll('.kudos a');

kudo_btn = document.getElementById('new_kudo');
cmnt_btn = document.getElementById('comment_submit_for_'+work_id);
cmnt_field = document.getElementById('comment_content_for_'+work_id);

//Message randomiser
var random = Math.floor(Math.random() * comments.length);
var message = comments[random];

// ID
var d = new Date();
id = d.toISOString();
id = id.substring(0,10);
message = message+'</br><sub>Sent '+id+' using Ao3 Rekudos Converter</sub>'

//Comment-sending with button press rather than form submit
function send() {
    cmnt_btn.click();
}

//Extra click for confirmation
var active = 'Rekudos?';
function rename() {
    'use strict';
    var kudo_text = document.querySelector('#kudo_submit');
    kudo_text.value = active;
    change();
}

//Change kudos button behaviour
function change() {
for (var i = 0; i < kudos.length; i++) {
  if (kudos[i].innerText == username) {
    cmnt_field.value = message;
    kudo_btn.addEventListener("click", send);
    break;}
  }
}

//Confirmation (this is ugly as hell don't even look at this)
if (auto == true) {
    change();}
else {
for (var i = 0; i < kudos.length; i++) {
  if (kudos[i].innerText == username) {
    kudo_btn.addEventListener("click", rename);
    break;}
  }
}