Fix share links: use external URL (docs.jongsma.me), fix copy button, add copy on existing shares

templates/document.html

@@ -244,7 +244,7 @@
                 <p class="text-sm text-green-700 dark:text-green-300 mb-2">Share link created!</p>
                 <div class="flex gap-2">
                     <input id="share-url" type="text" readonly class="flex-1 px-3 py-2 text-sm bg-white dark:bg-gray-700 rounded-lg border border-gray-200 dark:border-gray-600">
-                    <button onclick="copyShareUrl()" class="px-3 py-2 bg-gray-100 dark:bg-gray-600 hover:bg-gray-200 dark:hover:bg-gray-500 text-sm rounded-lg transition-colors">Copy</button>
+                    <button onclick="copyShareUrl(this)" class="px-3 py-2 bg-gray-100 dark:bg-gray-600 hover:bg-gray-200 dark:hover:bg-gray-500 text-sm rounded-lg transition-colors">Copy</button>
                 </div>
             </div>
 
@@ -413,6 +413,30 @@
     function closeShareModal() {
         document.getElementById('share-modal').classList.add('hidden');
     }
+    const EXTERNAL_BASE = 'https://docs.jongsma.me';
+
+    function copyToClipboard(text, btn) {
+        if (navigator.clipboard && navigator.clipboard.writeText) {
+            navigator.clipboard.writeText(text).then(() => showCopied(btn));
+        } else {
+            const ta = document.createElement('textarea');
+            ta.value = text;
+            ta.style.position = 'fixed';
+            ta.style.opacity = '0';
+            document.body.appendChild(ta);
+            ta.select();
+            document.execCommand('copy');
+            document.body.removeChild(ta);
+            showCopied(btn);
+        }
+    }
+    function showCopied(btn) {
+        if (!btn) return;
+        const orig = btn.textContent;
+        btn.textContent = 'Copied!';
+        setTimeout(() => btn.textContent = orig, 1500);
+    }
+
     async function createShare() {
         const days = parseInt(document.getElementById('share-days').value);
         const res = await fetch('/api/share/{{.Document.ID}}', {
@@ -422,15 +446,15 @@
         });
         if (res.ok) {
             const data = await res.json();
-            const fullUrl = window.location.origin + data.url;
+            const fullUrl = EXTERNAL_BASE + data.url;
             document.getElementById('share-url').value = fullUrl;
             document.getElementById('share-result').classList.remove('hidden');
             loadShares();
         }
     }
-    function copyShareUrl() {
+    function copyShareUrl(btn) {
         const input = document.getElementById('share-url');
-        navigator.clipboard.writeText(input.value);
+        copyToClipboard(input.value, btn);
     }
     async function loadShares() {
         const res = await fetch('/api/shares/{{.Document.ID}}');
@@ -440,15 +464,20 @@
             list.innerHTML = '<p class="text-sm text-gray-400 italic">No active shares</p>';
             return;
         }
-        list.innerHTML = shares.map(s => `
+        list.innerHTML = shares.map(s => {
+            const url = EXTERNAL_BASE + '/s/' + s.Token;
+            return `
             <div class="flex items-center justify-between p-3 bg-gray-50 dark:bg-gray-700/50 rounded-lg">
-                <div class="text-sm">
+                <div class="text-sm truncate mr-2">
-                    <span class="font-mono text-gray-600 dark:text-gray-300">${window.location.origin}/s/${s.Token}</span>
+                    <span class="font-mono text-gray-600 dark:text-gray-300">${url}</span>
                     <span class="text-gray-400 ml-2">${s.ExpiresAt ? 'expires ' + s.ExpiresAt : 'permanent'}</span>
                 </div>
+                <div class="flex gap-2 shrink-0">
+                    <button onclick="copyToClipboard('${url}', this)" class="text-brand-600 dark:text-brand-400 hover:text-brand-700 text-sm">Copy</button>
                     <button onclick="revokeShare('${s.Token}')" class="text-red-500 hover:text-red-700 text-sm">Revoke</button>
                 </div>
-        `).join('');
+            </div>`;
+        }).join('');
     }
     async function revokeShare(token) {
         await fetch('/api/share/' + token, {method: 'DELETE'});