Update client.js

public/client.js

@@ -1,23 +1,75 @@
-document.getElementById('fetchBtn').addEventListener('click', () => {
-    const urlInput = document.getElementById('pasteUrl').value;
-    
-    // Extract the Paste ID from the provided Pastebin URL
-    const pasteId = getPasteId(urlInput);
-    
-    if (pasteId) {
-        window.location.href = `/${pasteId}`;
-    } else {
-        alert('Please enter a valid Pastebin URL.');
-    }
+document.addEventListener('DOMContentLoaded', async () => {
+    const fetchBtn = document.getElementById('fetchBtn');
+    const pasteUrlInput = document.getElementById('pasteUrl');
+    const autoCopyCheckbox = document.getElementById('autoCopyCheckbox');
+
+    // Load default state for the checkbox
+    const defaultAutoCopy = await getDefaultAutoCopy();
+    const userPreference = getCookie('autoCopyEnabled');
+    autoCopyCheckbox.checked = userPreference !== null ? userPreference === 'true' : defaultAutoCopy;
+
+    // Save user preference to a cookie when the checkbox changes
+    autoCopyCheckbox.addEventListener('change', () => {
+        setCookie('autoCopyEnabled', autoCopyCheckbox.checked, 365);
+    });
+
+    // Handle "Go to Raw Paste" button click
+    fetchBtn.addEventListener('click', async () => {
+        const urlInput = pasteUrlInput.value.trim();
+        const pasteId = getPasteId(urlInput);
+
+        if (!pasteId) {
+            alert('Please enter a valid Pastebin URL.');
+            return;
+        }
+
+        // Redirect to raw paste page
+        const rawPasteUrl = `/${pasteId}`;
+        if (autoCopyCheckbox.checked) {
+            try {
+                const response = await fetch(rawPasteUrl);
+                if (response.ok) {
+                    const pasteContents = await response.text();
+                    await navigator.clipboard.writeText(pasteContents);
+                    alert('Raw paste contents copied to clipboard!');
+                } else {
+                    alert('Failed to fetch paste contents.');
+                }
+            } catch (error) {
+                alert('Error copying to clipboard: ' + error.message);
+            }
+        }
+        window.location.href = `/${pasteId}`
+    });
 });
 
+// Utility function to get the default auto-copy value from the server
+async function getDefaultAutoCopy() {
+    try {
+        const response = await fetch('/auto-copy-default');
+        if (response.ok) {
+            const data = await response.json();
+            return data.autoCopyDefault;
+        }
+    } catch (error) {
+        console.error('Error fetching auto-copy default:', error);
+    }
+    return false; // Default fallback
+}
+
+// Extract Paste ID from the given Pastebin URL
 function getPasteId(url) {
-    // Check if the URL is a valid Pastebin URL and extract the Paste ID
     const regex = /pastebin\.com\/(?:raw\/)?([a-zA-Z0-9]+)/;
     const match = url.match(regex);
-    
-    if (match) {
-        return match[1]; // Return the Paste ID
-    }
-    return null; // Invalid Pastebin URL
+    return match ? match[1] : null;
 }
+
+// Utility functions to manage cookies
+function setCookie(name, value, days) {
+    const expires = new Date(Date.now() + days * 86400000).toUTCString();
+    document.cookie = `${name}=${value}; expires=${expires}; path=/`;
+}
+
+function getCookie(name) {
+    const match = document.cookie.match(new RegExp(`(?:^|; )${name}=([^;]*)`));
+    return match ? decodeURIComponent(match[1]) : null;