image viewer

4 files changed, 203 insertions, 111 deletions

diff --git a/src/App.svelte b/src/App.svelte
index bcac7cb..ea161bf 100644
--- a/src/App.svelte
+++ b/src/App.svelte
@@ -1,9 +1,11 @@
 <script lang="ts">
   import { flashair } from './lib/flashair';
   import type { FlashAirFileEntry } from './lib/flashair';
+  import ImageList from './lib/components/ImageList.svelte';
+  import ImagePreview from './lib/components/ImagePreview.svelte';
 
-  let files = $state<FlashAirFileEntry[]>([]);
-  let currentDir = $state('/DCIM');
+  let images = $state<FlashAirFileEntry[]>([]);
+  let selectedFile = $state<FlashAirFileEntry | undefined>(undefined);
   let loading = $state(false);
   let error = $state<string | undefined>(undefined);
   let isDark = $state(false);
@@ -12,134 +14,93 @@
     document.documentElement.setAttribute('data-theme', isDark ? 'black' : 'cmyk');
   });
 
-  async function loadFiles(dir: string) {
+  async function loadAllImages() {
     loading = true;
     error = undefined;
     try {
-      currentDir = dir;
-      files = await flashair.listFiles(dir);
+      images = await flashair.listAllImages('/DCIM');
+      if (images.length > 0 && selectedFile === undefined) {
+        selectedFile = images[0];
+      }
     } catch (e) {
       error = e instanceof Error ? e.message : String(e);
-      files = [];
+      images = [];
     } finally {
       loading = false;
     }
   }
 
-  const imageFiles = $derived(
-    files.filter((f) => !f.isDirectory && /\.(jpe?g|png|bmp|gif)$/i.test(f.filename)),
-  );
-
-  const directories = $derived(files.filter((f) => f.isDirectory));
+  function selectImage(file: FlashAirFileEntry) {
+    selectedFile = file;
+  }
 </script>
 
-<div class="min-h-screen bg-base-200">
-  <div class="navbar bg-base-100 shadow-sm">
-    <div class="flex-1">
-      <span class="text-xl font-bold px-4">SpeedSync</span>
-    </div>
-    <div class="flex-none gap-2">
-      <button class="btn btn-ghost btn-sm" onclick={() => loadFiles(currentDir)}>
-        Refresh
-      </button>
-      <label class="swap swap-rotate btn btn-ghost btn-sm">
-        <input type="checkbox" bind:checked={isDark} />
-        <!-- sun icon -->
-        <svg class="swap-off fill-current w-5 h-5" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
-          <path d="M5.64,17l-.71.71a1,1,0,0,0,0,1.41,1,1,0,0,0,1.41,0l.71-.71A1,1,0,0,0,5.64,17ZM5,12a1,1,0,0,0-1-1H3a1,1,0,0,0,0,2H4A1,1,0,0,0,5,12Zm7-7a1,1,0,0,0,1-1V3a1,1,0,0,0-2,0V4A1,1,0,0,0,12,5ZM5.64,7.05a1,1,0,0,0,.7.29,1,1,0,0,0,.71-.29,1,1,0,0,0,0-1.41l-.71-.71A1,1,0,0,0,4.93,6.34Zm12,.29a1,1,0,0,0,.7-.29l.71-.71a1,1,0,1,0-1.41-1.41L17,5.64a1,1,0,0,0,0,1.41A1,1,0,0,0,17.66,7.34ZM21,11H20a1,1,0,0,0,0,2h1a1,1,0,0,0,0-2Zm-9,8a1,1,0,0,0-1,1v1a1,1,0,0,0,2,0V20A1,1,0,0,0,12,19ZM18.36,17A1,1,0,0,0,17,18.36l.71.71a1,1,0,0,0,1.41,0,1,1,0,0,0,0-1.41ZM12,6.5A5.5,5.5,0,1,0,17.5,12,5.51,5.51,0,0,0,12,6.5Zm0,9A3.5,3.5,0,1,1,15.5,12,3.5,3.5,0,0,1,12,15.5Z"/>
-        </svg>
-        <!-- moon icon -->
-        <svg class="swap-on fill-current w-5 h-5" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
-          <path d="M21.64,13a1,1,0,0,0-1.05-.14,8.05,8.05,0,0,1-3.37.73A8.15,8.15,0,0,1,9.08,5.49a8.59,8.59,0,0,1,.25-2A1,1,0,0,0,8,2.36,10.14,10.14,0,1,0,22,14.05,1,1,0,0,0,21.64,13Zm-9.5,6.69A8.14,8.14,0,0,1,7.08,5.22v.27A10.15,10.15,0,0,0,17.22,15.63a9.79,9.79,0,0,0,2.1-.22A8.11,8.11,0,0,1,12.14,19.73Z"/>
-        </svg>
-      </label>
-    </div>
-  </div>
-
-  <div class="container mx-auto p-4">
-    <div class="breadcrumbs text-sm mb-4">
-      <ul>
-        <li>
-          <button class="link" onclick={() => loadFiles('/')}>/</button>
-        </li>
-        {#each currentDir.split('/').filter(Boolean) as segment, i}
-          <li>
-            <button
-              class="link"
-              onclick={() =>
-                loadFiles(
-                  '/' +
-                    currentDir
-                      .split('/')
-                      .filter(Boolean)
-                      .slice(0, i + 1)
-                      .join('/'),
-                )}
-            >
-              {segment}
-            </button>
-          </li>
-        {/each}
-      </ul>
-    </div>
-
+<div class="flex h-screen bg-base-200">
+  <!-- Left: Image preview -->
+  <div class="flex-1 min-w-0 h-full">
     {#if loading}
-      <div class="flex justify-center py-12">
+      <div class="flex items-center justify-center h-full">
         <span class="loading loading-spinner loading-lg"></span>
       </div>
     {:else if error}
-      <div role="alert" class="alert alert-error">
-        <span>{error}</span>
-        <button class="btn btn-sm" onclick={() => loadFiles(currentDir)}>Retry</button>
+      <div class="flex items-center justify-center h-full p-4">
+        <div role="alert" class="alert alert-error max-w-md">
+          <span>{error}</span>
+          <button class="btn btn-sm" onclick={() => loadAllImages()}>Retry</button>
+        </div>
       </div>
-    {:else if files.length === 0}
-      <div class="text-center py-12 text-base-content/60">
-        <p>No files found. Connect to the FlashAir WiFi and tap Refresh.</p>
-        <button class="btn btn-primary mt-4" onclick={() => loadFiles(currentDir)}>
-          Load Files
-        </button>
+    {:else if images.length === 0}
+      <div class="flex items-center justify-center h-full text-base-content/60 p-8">
+        <div class="text-center">
+          <p>No photos found. Connect to FlashAir WiFi and tap the refresh button.</p>
+          <button class="btn btn-primary mt-4" onclick={() => loadAllImages()}>Load Photos</button>
+        </div>
       </div>
     {:else}
-      {#if directories.length > 0}
-        <div class="mb-4">
-          <h3 class="font-semibold mb-2">Folders</h3>
-          <div class="flex flex-wrap gap-2">
-            {#each directories as dir}
-              <button class="btn btn-outline btn-sm" onclick={() => loadFiles(dir.path)}>
-                📁 {dir.filename}
-              </button>
-            {/each}
-          </div>
-        </div>
-      {/if}
-
-      {#if imageFiles.length > 0}
-        <h3 class="font-semibold mb-2">Photos ({imageFiles.length})</h3>
-        <div class="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 lg:grid-cols-5 gap-2">
-          {#each imageFiles as file (file.path)}
-            {@const thumbUrl = flashair.thumbnailUrl(file.path)}
-            <div class="card bg-base-100 shadow-sm">
-              {#if thumbUrl}
-                <figure class="aspect-square overflow-hidden">
-                  <img
-                    src={thumbUrl}
-                    alt={file.filename}
-                    class="object-cover w-full h-full"
-                    loading="lazy"
-                  />
-                </figure>
-              {:else}
-                <figure class="aspect-square bg-base-300 flex items-center justify-center">
-                  <span class="text-3xl">🖼️</span>
-                </figure>
-              {/if}
-              <div class="card-body p-2">
-                <p class="text-xs truncate">{file.filename}</p>
-              </div>
-            </div>
-          {/each}
-        </div>
-      {/if}
+      <ImagePreview file={selectedFile} />
     {/if}
   </div>
+
+  <!-- Right: Image list -->
+  <div class="w-72 lg:w-80 shrink-0 border-l border-base-300 flex flex-col">
+    <div class="px-3 py-2 bg-base-100 border-b border-base-300 shrink-0">
+      <span class="text-sm font-semibold">Photos ({images.length})</span>
+    </div>
+    <div class="flex-1 min-h-0">
+      <ImageList {images} selectedPath={selectedFile?.path} onSelect={selectImage} />
+    </div>
+  </div>
+</div>
+
+<!-- FAB Flower: bottom-right -->
+<div class="fab fab-flower">
+  <div tabindex="0" class="btn btn-lg btn-circle btn-neutral">
+    <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="size-5">
+      <path stroke-linecap="round" stroke-linejoin="round" d="M3.75 6.75h16.5M3.75 12h16.5m-16.5 5.25h16.5" />
+    </svg>
+  </div>
+  <div class="fab-close">
+    <span class="btn btn-circle btn-lg btn-neutral">✕</span>
+  </div>
+  <!-- Dark mode toggle -->
+  <button class="btn btn-lg btn-circle btn-neutral" onclick={() => (isDark = !isDark)}>
+    {#if isDark}
+      <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="size-5">
+        <path stroke-linecap="round" stroke-linejoin="round" d="M12 3v2.25m6.364.386-1.591 1.591M21 12h-2.25m-.386 6.364-1.591-1.591M12 18.75V21m-4.773-4.227-1.591 1.591M5.25 12H3m4.227-4.773L5.636 5.636M15.75 12a3.75 3.75 0 1 1-7.5 0 3.75 3.75 0 0 1 7.5 0Z" />
+      </svg>
+    {:else}
+      <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="size-5">
+        <path stroke-linecap="round" stroke-linejoin="round" d="M21.752 15.002A9.72 9.72 0 0 1 18 15.75c-5.385 0-9.75-4.365-9.75-9.75 0-1.33.266-2.597.748-3.752A9.753 9.753 0 0 0 3 11.25C3 16.635 7.365 21 12.75 21a9.753 9.753 0 0 0 9.002-5.998Z" />
+      </svg>
+    {/if}
+  </button>
+  <!-- Refresh -->
+  <button class="btn btn-lg btn-circle btn-neutral" onclick={() => loadAllImages()}>
+    <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="size-5">
+      <path stroke-linecap="round" stroke-linejoin="round" d="M4.5 12a7.5 7.5 0 0 1 12.57-5.55L19.5 8.87" />
+      <path stroke-linecap="round" stroke-linejoin="round" d="M19.5 4.5v4.37h-4.37" />
+      <path stroke-linecap="round" stroke-linejoin="round" d="M19.5 12a7.5 7.5 0 0 1-12.57 5.55L4.5 15.13" />
+      <path stroke-linecap="round" stroke-linejoin="round" d="M4.5 19.5v-4.37h4.37" />
+    </svg>
+  </button>
 </div>
diff --git a/src/lib/components/ImageList.svelte b/src/lib/components/ImageList.svelte
new file mode 100644
index 0000000..7e6f836
--- /dev/null
+++ b/src/lib/components/ImageList.svelte
@@ -0,0 +1,52 @@
+<script lang="ts">
+  import { flashair } from '../flashair';
+  import type { FlashAirFileEntry } from '../flashair';
+
+  interface Props {
+    images: FlashAirFileEntry[];
+    selectedPath: string | undefined;
+    onSelect: (file: FlashAirFileEntry) => void;
+  }
+
+  let { images, selectedPath, onSelect }: Props = $props();
+</script>
+
+<div class="h-full overflow-y-auto bg-base-100">
+  {#if images.length === 0}
+    <div class="flex items-center justify-center h-full text-base-content/50 p-4">
+      <p class="text-center text-sm">No images found</p>
+    </div>
+  {:else}
+    <ul class="flex flex-col gap-0.5 p-1">
+      {#each images as file (file.path)}
+        {@const thumbUrl = flashair.thumbnailUrl(file.path)}
+        {@const isSelected = file.path === selectedPath}
+        <li>
+          <button
+            class="flex items-center gap-2 w-full rounded-lg p-1.5 text-left transition-colors {isSelected
+              ? 'bg-primary text-primary-content'
+              : 'hover:bg-base-200'}"
+            onclick={() => onSelect(file)}
+          >
+            {#if thumbUrl}
+              <img
+                src={thumbUrl}
+                alt={file.filename}
+                class="w-12 h-12 rounded object-cover shrink-0"
+                loading="lazy"
+              />
+            {:else}
+              <div class="w-12 h-12 rounded bg-base-300 flex items-center justify-center shrink-0">
+                <span class="text-lg">🖼️</span>
+              </div>
+            {/if}
+            <div class="min-w-0 flex-1">
+              <p class="text-xs font-medium truncate">{file.filename}</p>
+              <p class="text-xs opacity-60">{file.date.toLocaleString()}</p>
+            </div>
+          </button>
+        </li>
+      {/each}
+    </ul>
+  {/if}
+</div>
diff --git a/src/lib/components/ImagePreview.svelte b/src/lib/components/ImagePreview.svelte
new file mode 100644
index 0000000..82115e7
--- /dev/null
+++ b/src/lib/components/ImagePreview.svelte
@@ -0,0 +1,40 @@
+<script lang="ts">
+  import { flashair } from '../flashair';
+  import type { FlashAirFileEntry } from '../flashair';
+
+  interface Props {
+    file: FlashAirFileEntry | undefined;
+  }
+
+  let { file }: Props = $props();
+
+  let imageUrl = $derived(file !== undefined ? flashair.fileUrl(file.path) : undefined);
+  let imageLoaded = $state(false);
+
+  $effect(() => {
+    if (imageUrl !== undefined) {
+      imageLoaded = false;
+    }
+  });
+</script>
+
+<div class="h-full flex items-center justify-center bg-base-300 relative">
+  {#if file === undefined || imageUrl === undefined}
+    <div class="text-base-content/40 text-center p-8">
+      <p class="text-lg">Select a photo to preview</p>
+    </div>
+  {:else}
+    {#key file.path}
+      {#if !imageLoaded}
+        <span class="loading loading-spinner loading-lg absolute"></span>
+      {/if}
+      <img
+        src={imageUrl}
+        alt={file.filename}
+        class="max-w-full max-h-full object-contain"
+        class:opacity-0={!imageLoaded}
+        onload={() => { imageLoaded = true; }}
+      />
+    {/key}
+  {/if}
+</div>
diff --git a/src/lib/flashair/client.ts b/src/lib/flashair/client.ts
index 4e3a567..978eb60 100644
--- a/src/lib/flashair/client.ts
+++ b/src/lib/flashair/client.ts
@@ -77,6 +77,9 @@ function parseFileList(text: string): FlashAirFileEntry[] {
 /** Known image extensions the FlashAir thumbnail.cgi supports (JPEG only). */
 const JPEG_EXTENSIONS = new Set(['.jpg', '.jpeg']);
 
+/** Regex matching common image file extensions. */
+const IMAGE_EXTENSIONS = /\.(jpe?g|png|bmp|gif)$/i;
+
 function isJpeg(filename: string): boolean {
   const ext = filename.slice(filename.lastIndexOf('.')).toLowerCase();
   return JPEG_EXTENSIONS.has(ext);
@@ -193,6 +196,42 @@ export const flashair = {
 
     return { blob, meta };
   },
+  /**
+   * Recursively list all image files on the card starting from a root directory.
+   * Returns files sorted by date, newest first.
+   */
+  async listAllImages(rootDir: string): Promise<FlashAirFileEntry[]> {
+    const allImages: FlashAirFileEntry[] = [];
+    const dirsToVisit: string[] = [rootDir];
+
+    while (dirsToVisit.length > 0) {
+      const dir = dirsToVisit.pop();
+      if (dir === undefined) break;
+
+      let entries: FlashAirFileEntry[];
+      try {
+        entries = await flashair.listFiles(dir);
+      } catch {
+        continue;
+      }
+
+      for (const entry of entries) {
+        if (entry.isDirectory) {
+          dirsToVisit.push(entry.path);
+        } else if (IMAGE_EXTENSIONS.test(entry.filename)) {
+          allImages.push(entry);
+        }
+      }
+    }
+
+    allImages.sort((a, b) => {
+      const dateCompare = b.rawDate - a.rawDate;
+      if (dateCompare !== 0) return dateCompare;
+      return b.rawTime - a.rawTime;
+    });
+
+    return allImages;
+  },
 } as const;
 
 export type { FlashAirFileEntry, ThumbnailMeta } from './types';