// ==UserScript==
// @name         Stealthgram Profile Link & Clipboard Tools
// @namespace    https://stealthgram.com/
// @version      1.1
// @description  Inserts profile link, copy buttons, and notifications under profile on Stealthgram post pages, even if DOM reloads dynamically
// @author       OpenAI Perplexity
// @match        https://stealthgram.com/media/*
// @grant        GM_setClipboard
// @run-at       document-end
// ==/UserScript==

(function() {
  'use strict';

  // Toast notification creator
  function showToast(msg) {
    let toast = document.createElement("div");
    toast.textContent = msg;
    toast.style.position = "fixed";
    toast.style.bottom = "32px";
    toast.style.left = "50%";
    toast.style.transform = "translateX(-50%)";
    toast.style.background = "rgba(30,30,30,0.98)";
    toast.style.color = "white";
    toast.style.padding = "12px 32px";
    toast.style.fontSize = "1rem";
    toast.style.borderRadius = "16px";
    toast.style.zIndex = 99999;
    toast.style.boxShadow = "0 4px 32px #000a";
    toast.style.fontWeight = "500";
    document.body.appendChild(toast);
    setTimeout(() => {toast.remove();}, 1800);
  }

  // Insert tools if profile header exists
  function insertTools() {
    const h = document.querySelector('h5.header');
    if (!h) return false;

    let profileName = h.textContent.trim();
    if (!profileName) return false;

    let profileUrl = `https://stealthgram.com/profile/${profileName}`;
    let m = window.location.pathname.match(/\/media\/([^\/?#]+)/);
    if (!m) return false;
    let postId = m[1];
    let filename = `instagram_p_${postId} by ${profileName}`;

    // Prevent adding twice
    if (h.parentNode.querySelector('.stealth-profiletools')) return true;

    let container = document.createElement('div');
    container.className = 'stealth-profiletools';
    container.style.marginTop = '10px';
    container.style.display = 'flex';
    container.style.alignItems = 'center';
    container.style.gap = '10px';

    // Profile link
    let a = document.createElement('a');
    a.href = profileUrl;
    a.textContent = profileUrl;
    a.target = '_blank';
    a.style.color = '#1da1f2';
    a.style.fontSize = '1rem';
    a.style.textDecoration = 'underline';
    container.appendChild(a);

    // Copy link button
    let btnClipboard = document.createElement('button');
    btnClipboard.textContent = '📋';
    btnClipboard.title = 'Copy profile link';
    btnClipboard.style.cursor = 'pointer';
    btnClipboard.style.border = 'none';
    btnClipboard.style.background = 'transparent';
    btnClipboard.style.fontSize = '1.2em';
    btnClipboard.onclick = function() {
      if (typeof GM_setClipboard === "function") {
        GM_setClipboard(profileUrl);
      } else {
        navigator.clipboard.writeText(profileUrl);
      }
      showToast('Profile link copied!');
    };
    container.appendChild(btnClipboard);

    // Copy filename button
    let btnFilename = document.createElement('button');
    btnFilename.textContent = 'Filename';
    btnFilename.title = 'Copy filename';
    btnFilename.style.cursor = 'pointer';
    btnFilename.style.border = '1px solid #bbb';
    btnFilename.style.background = 'white';
    btnFilename.style.borderRadius = '7px';
    btnFilename.style.fontSize = '0.95em';
    btnFilename.style.marginLeft = '6px';
    btnFilename.onclick = function() {
      if (typeof GM_setClipboard === "function") {
        GM_setClipboard(filename);
      } else {
        navigator.clipboard.writeText(filename);
      }
      showToast('Filename copied!');
    };
    container.appendChild(btnFilename);

    h.parentNode.insertBefore(container, h.nextSibling);

    return true;
  }

  // Timed retries (for slow loading)
  let tries = 0;
  let maxTries = 40;
  function tryInsertTools() {
    if (!insertTools() && (++tries < maxTries)) {
      setTimeout(tryInsertTools, 100);
    }
  }
  tryInsertTools();

  // MutationObserver (for dynamic DOM reloads)
  const observer = new MutationObserver(() => {
    insertTools();
  });
  observer.observe(document.body, { childList: true, subtree: true });
})();