// ==UserScript==
// @name         Hacker News URL Highlighter with Enhanced Panel and Scores & Comments
// @namespace    https://news.ycombinator.com/
// @version      1.6
// @description  Highlights URLs in comments, displays them in a toggleable panel with sorting (frequency, name, upvotes, comment count).
// @author       MorganGeek
// @match        https://news.ycombinator.com/item?id=*
// @grant        GM_xmlhttpRequest
// @grant        GM_setClipboard
// @connect      *
// @run-at       document-end
// ==/UserScript==

(function() {
  'use strict';

  const COLORS={low:'#d1e7dd',medium:'#fff3cd',high:'#f8d7da'};
  const toggleButton=document.createElement('button');
  toggleButton.textContent='Afficher les URLs';
  Object.assign(toggleButton.style,{
    position:'fixed',bottom:'10px',right:'10px',zIndex:1000,padding:'10px 15px',
    backgroundColor:'#ff6600',color:'#fff',border:'none',borderRadius:'5px',cursor:'pointer'
  });
  document.body.appendChild(toggleButton);

  const panel=document.createElement('div');
  panel.id='url-panel';
  Object.assign(panel.style,{
    position:'fixed',top:'10px',right:'10px',width:'350px',backgroundColor:'#fff',
    border:'1px solid #ccc',borderRadius:'5px',padding:'10px',boxShadow:'0 0 10px rgba(0,0,0,.2)',
    maxHeight:'80vh',overflowY:'auto',zIndex:1000,display:'none'
  });
  panel.innerHTML=`
    <h4>URLs</h4>
    <div style="margin-bottom:10px;">
      <label for="sort-select">Trier par:</label>
      <select id="sort-select" style="width:100%;padding:5px;margin-top:5px;">
        <option value="frequency">Fréquence</option>
        <option value="name">Nom</option>
        <option value="upvotes">Upvotes</option>
        <option value="commentaires">Commentaires</option>
      </select>
    </div>
    <ul id="url-list" style="margin:0;padding:0;list-style:none;"></ul>
    <div style="margin-top:10px;">
      <label for="limit-select">Afficher:</label>
      <select id="limit-select" style="width:100%;padding:5px;margin-top:5px;">
        <option value="all">Tout</option>
        <option value="10">Top 10</option>
        <option value="20">Top 20</option>
      </select>
    </div>
    <button id="copy-urls" style="margin-top:10px;display:block;width:100%;padding:10px;background:#ff6600;color:#fff;border:none;border-radius:5px;cursor:pointer;">
      Copier les URLs
    </button>
  `;
  document.body.appendChild(panel);

  const tooltip=document.createElement('div');
  tooltip.id='url-tooltip';
  Object.assign(tooltip.style,{
    position:'absolute',background:'#fff',border:'1px solid #ccc',borderRadius:'5px',
    padding:'10px',boxShadow:'0 0 10px rgba(0,0,0,.2)',maxWidth:'300px',
    display:'none',zIndex:1001
  });
  document.body.appendChild(tooltip);

  const urlData={};
  const comments=document.querySelectorAll('.commtext');
  comments.forEach(comment=>{
    const links=comment.querySelectorAll('a[href]');
    links.forEach(link=>{
      const u=link.href;
      if(!urlData[u]) urlData[u]={url:u,count:0,upvotes:0,commentCount:0};
      urlData[u].count++;
      link.style.backgroundColor='#ffff99';
      link.addEventListener('mouseover',()=>{
        GM_xmlhttpRequest({
          method:'GET',url:u,
          onload:r=>{
            tooltip.innerHTML='';
            const d=new DOMParser().parseFromString(r.responseText,'text/html');
            const t=d.querySelector('title')?d.querySelector('title').innerText:'No Title';
            const desc=d.querySelector('meta[name="description"]')?d.querySelector('meta[name="description"]').content:'No Description';
            tooltip.innerHTML=`<strong>${t}</strong><p>${desc}</p>`;
            tooltip.style.display='block';
          },
          onerror:()=>{
            tooltip.innerHTML='<strong>Preview unavailable</strong>';
            tooltip.style.display='block';
          }
        });
        const rect=link.getBoundingClientRect();
        tooltip.style.top=`${rect.bottom+window.scrollY+5}px`;
        tooltip.style.left=`${rect.left+window.scrollX}px`;
      });
      link.addEventListener('mouseout',()=>{tooltip.style.display='none';});
    });
  });

  function updatePanel(){
    const sortBy=panel.querySelector('#sort-select').value;
    const limit=panel.querySelector('#limit-select').value;
    let arr=Object.values(urlData);
    if(sortBy==='frequency') arr.sort((a,b)=>b.count-a.count);
    else if(sortBy==='name') arr.sort((a,b)=>a.url.localeCompare(b.url));
    else if(sortBy==='upvotes') arr.sort((a,b)=>b.upvotes-a.upvotes);
    else if(sortBy==='commentaires') arr.sort((a,b)=>b.commentCount-a.commentCount);
    if(limit!=='all') arr=arr.slice(0,parseInt(limit));
    const urlList=panel.querySelector('#url-list');
    urlList.innerHTML='';
    const counts=arr.map(i=>i.count);
    const maxC=Math.max(...counts),minC=Math.min(...counts);
    arr.forEach(item=>{
      const li=document.createElement('li');
      li.style.marginBottom='5px';li.style.wordWrap='break-word';li.style.cursor='pointer';
      li.dataset.url=item.url;
      const r=(item.count-minC)/(maxC-minC+1);
      li.style.backgroundColor=r>0.66?COLORS.high:r>0.33?COLORS.medium:COLORS.low;
      li.innerHTML=`
        <span>${item.url}</span>
        <span style="float:right;font-weight:bold;">
          ${item.count}${item.upvotes>0?` / ${item.upvotes}`:''}${item.commentCount>0?` / ${item.commentCount}`:''}
        </span>
      `;
      li.addEventListener('click',()=>{
        GM_setClipboard(item.url,'text');
        alert('URL copiée.');
      });
      urlList.appendChild(li);
    });
  }

  updatePanel();
  panel.querySelector('#sort-select').addEventListener('change',updatePanel);
  panel.querySelector('#limit-select').addEventListener('change',updatePanel);
  toggleButton.addEventListener('click',()=>{
    if(panel.style.display==='none'){panel.style.display='block';toggleButton.textContent='Masquer les URLs';}
    else{panel.style.display='none';toggleButton.textContent='Afficher les URLs';}
  });
  panel.querySelector('#copy-urls').addEventListener('click',()=>{
    GM_setClipboard(Object.keys(urlData).join('\n'),'text');
    alert('URLs copiées.');
  });

  const commentRows=document.querySelectorAll('tr.comtr');
  commentRows.forEach(row=>{
    const commentLink=row.querySelector('a[href^="item?id="]');
    if(commentLink){
      const pointsSpan=row.querySelector('.score');
      const pts=pointsSpan?parseInt(pointsSpan.textContent):0;
      const c=row.querySelector('.commtext');
      if(c){
        const links=c.querySelectorAll('a[href]');
        links.forEach(l=>{if(urlData[l.href]) urlData[l.href].upvotes+=pts;});
      }
    }
  });

  const childrenMap={};
  commentRows.forEach(r=>{
    const id=r.id;const pid=r.getAttribute('data-parent');
    if(!pid||!id) return;
    if(!childrenMap[pid]) childrenMap[pid]=[];
    childrenMap[pid].push(id);
  });
  const cache={};
  function size(id){
    if(!childrenMap[id]) return 0;
    if(cache[id]!=null) return cache[id];
    let s=childrenMap[id].length;
    childrenMap[id].forEach(k=>{s+=size(k);});
    cache[id]=s;return s;
  }
  commentRows.forEach(r=>{
    const id=r.id;
    const c=r.querySelector('.commtext');
    if(!id||!c) return;
    const count=size(id);
    const links=c.querySelectorAll('a[href]');
    links.forEach(l=>{if(urlData[l.href]) urlData[l.href].commentCount+=count;});
  });

  updatePanel();
})();