added images

5 files changed, 254 insertions, 2 deletions

diff --git a/frontend/public/image-unavailable.svg b/frontend/public/image-unavailable.svg
new file mode 100644
index 0000000..7aa1741
--- /dev/null
+++ b/frontend/public/image-unavailable.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor"><path d="M12 22C6.47715 22 2 17.5228 2 12C2 6.47715 6.47715 2 12 2C17.5228 2 22 6.47715 22 12C22 17.5228 17.5228 22 12 22ZM11 15V17H13V15H11ZM11 7V13H13V7H11Z"></path></svg>
\ No newline at end of file
diff --git a/frontend/src/lightbox.ts b/frontend/src/lightbox.ts
new file mode 100644
index 0000000..cdc628e
--- /dev/null
+++ b/frontend/src/lightbox.ts
@@ -0,0 +1,82 @@
+import type { Note } from './main';
+
+let currentMedia: Note['media'] = [];
+let currentIndex = 0;
+
+function updateLightbox() {
+  const item = currentMedia![currentIndex];
+  const img = document.getElementById('lightbox-img') as HTMLImageElement;
+  const alt = document.getElementById('lightbox-alt')!;
+  const prev = document.getElementById('lightbox-prev')!;
+  const next = document.getElementById('lightbox-next')!;
+
+  img.src = item.url;
+  img.alt = item.alt || '';
+
+  if (item.alt) {
+    alt.textContent = item.alt;
+    alt.style.display = 'block';
+  } else {
+    alt.style.display = 'none';
+  }
+
+  prev.style.display = currentIndex > 0 ? 'block' : 'none';
+  next.style.display = currentIndex < currentMedia!.length - 1 ? 'block' : 'none';
+}
+
+function navigateLightbox(dir: number) {
+  const next = currentIndex + dir;
+  if (next < 0 || next >= currentMedia!.length) return;
+  currentIndex = next;
+  updateLightbox();
+}
+
+function lightboxKeyHandler(e: KeyboardEvent) {
+  if (e.key === 'Escape') closeLightbox();
+  if (e.key === 'ArrowLeft') navigateLightbox(-1);
+  if (e.key === 'ArrowRight') navigateLightbox(1);
+}
+
+export function openLightbox(media: NonNullable<Note['media']>, index: number) {
+  currentMedia = media;
+  currentIndex = index;
+
+  const overlay = document.createElement('div');
+  overlay.id = 'lightbox';
+  overlay.addEventListener('click', e => {
+    if (e.target === overlay) closeLightbox();
+  });
+
+  const close = document.createElement('button');
+  close.id = 'lightbox-close';
+  close.textContent = '×';
+  close.addEventListener('click', closeLightbox);
+  overlay.appendChild(close);
+
+  const img = document.createElement('img');
+  img.id = 'lightbox-img';
+
+  const alt = document.createElement('div');
+  alt.id = 'lightbox-alt';
+
+  const prev = document.createElement('button');
+  prev.id = 'lightbox-prev';
+  prev.textContent = '‹';
+  prev.addEventListener('click', () => navigateLightbox(-1));
+
+  const next = document.createElement('button');
+  next.id = 'lightbox-next';
+  next.textContent = '›';
+  next.addEventListener('click', () => navigateLightbox(1));
+
+  overlay.append(prev, img, alt, next);
+  document.body.appendChild(overlay);
+  updateLightbox();
+
+  document.addEventListener('keydown', lightboxKeyHandler);
+}
+
+export function closeLightbox() {
+  document.getElementById('lightbox')?.remove();
+  document.removeEventListener('keydown', lightboxKeyHandler);
+}
diff --git a/frontend/src/main.ts b/frontend/src/main.ts
index 056e9f0..8f43d25 100644
--- a/frontend/src/main.ts
+++ b/frontend/src/main.ts
@@ -1,7 +1,8 @@
 import { marked } from 'marked';
 import './style.css'
+import { openLightbox } from './lightbox';
 
-interface Note {
+export interface Note {
   uri: string;
   authorDID: string;
   authorHandle: string;
@@ -174,11 +175,39 @@ function createNoteElement(note: Note): HTMLElement {
     note.media.forEach(item => {
       const img = document.createElement('img');
       img.src = item.url;
+      img.src = item.url;
       img.alt = item.alt || '';
+      img.className = item.alt ? 'has-alt' : 'no-alt';
       if (item.width && item.height) {
         img.width = item.width;
         img.height = item.height;
       }
+      img.style.cursor = 'pointer';
+      const index = note.media!.indexOf(item);
+      img.addEventListener('click', () => openLightbox(note.media!, index));
+      mediaDiv.appendChild(img);
+      img.onerror = () => {
+        const errDiv = document.createElement('div');
+        errDiv.className = 'note-media-error';
+
+        const icon = document.createElement('img');
+        icon.src = '/image-unavailable.svg';
+        icon.alt = '';
+        errDiv.appendChild(icon);
+
+        const label = document.createElement('div');
+        label.className = 'info';
+        label.textContent = 'Image unavailable';
+        errDiv.appendChild(label);
+
+        if (item.alt) {
+          const altText = document.createElement('div');
+          altText.textContent = item.alt;
+          errDiv.appendChild(altText);
+        }
+
+        img.replaceWith(errDiv);
+      };
       mediaDiv.appendChild(img);
     });
     content.appendChild(mediaDiv);
diff --git a/frontend/src/style.css b/frontend/src/style.css
index 8e1d095..50836d8 100644
--- a/frontend/src/style.css
+++ b/frontend/src/style.css
@@ -161,6 +161,141 @@ h1 {
   white-space: pre-wrap;
 }
 
+.note-media {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(45%, 1fr));
+  grid-auto-rows: 200px;
+  gap: 0.5rem;
+  margin-top: 0.5rem;
+}
+
+.note-media:has(> :only-child) {
+  grid-auto-rows: auto;
+  justify-content: start;
+}
+
+.note-media:has(> :only-child) img {
+  width: auto;
+  max-width: 100%;
+  height: auto;
+  max-height: 400px;
+  object-fit: contain;
+}
+
+.note-media img,
+.note-media-error {
+  width: 100%;
+  height: 100%;
+  box-sizing: border-box;
+  overflow: hidden;
+  border-radius: 8px;
+}
+
+.note-media img {
+  object-fit: cover;
+}
+
+.note-media img.has-alt {
+  border: 2px solid var(--accent);
+}
+
+.note-media img.no-alt {
+  border: 2px solid var(--error);
+}
+
+.note-media-error {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 0.25rem;
+  padding: 1rem;
+  background: var(--bg-secondary);
+  border: 2px solid var(--error);
+  text-align: center;
+  font-size: 0.85rem;
+}
+
+.note-media-error img {
+  width: 48px;
+  height: 48px;
+  border: none !important;
+  object-fit: contain;
+  height: auto;
+  max-height: unset;
+  grid-auto-rows: unset;
+}
+
+#lightbox {
+  position: fixed;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.85);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+  flex-direction: column;
+  gap: 1rem;
+  padding: 2rem;
+}
+
+#lightbox-img {
+  max-width: 90vw;
+  max-height: 80vh;
+  object-fit: contain;
+  border-radius: 8px;
+  border: none !important;
+}
+
+#lightbox-alt {
+  color: white;
+  background: rgba(0, 0, 0, 0.6);
+  padding: 0.5rem 1rem;
+  border-radius: 8px;
+  max-width: 60ch;
+  text-align: center;
+  font-size: 0.9rem;
+}
+
+#lightbox-prev,
+#lightbox-next {
+  position: fixed;
+  top: 50%;
+  transform: translateY(-50%);
+  background: rgba(0, 0, 0, 0.5);
+  color: white;
+  border: none;
+  font-size: 2rem;
+  padding: 0.5rem 1rem;
+  cursor: pointer;
+  border-radius: 4px;
+}
+
+#lightbox-prev { left: 1rem; }
+#lightbox-next { right: 1rem; }
+
+#lightbox-prev:hover,
+#lightbox-next:hover {
+  background: rgba(0, 0, 0, 0.8);
+}
+
+#lightbox-close {
+  position: fixed;
+  top: 1rem;
+  right: 1rem;
+  background: rgba(0, 0, 0, 0.5);
+  color: white;
+  border: none;
+  font-size: 1.5rem;
+  width: 2rem;
+  height: 2rem;
+  cursor: pointer;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
 .muted {
   color: var(--text-muted);
   font-size: 12px;
@@ -173,7 +308,7 @@ h1 {
 }
 
 .spinner {
-  border: 8px solid #f3f3f3;
+  border: 8px solid var(--border);
   border-top: 8px solid var(--accent);
   border-radius: 50%;
   width: 64px;
diff --git a/frontend/vite.config.ts b/frontend/vite.config.ts
index 4420756..e8228d4 100644
--- a/frontend/vite.config.ts
+++ b/frontend/vite.config.ts
@@ -10,4 +10,9 @@ export default defineConfig({
       },
     },
   },
+  server: {
+    proxy: {
+      '/api': 'http://localhost:8080',
+    },
+  },
 })