From 243f7057b797c7c536cff559b5ba23ae109017af Mon Sep 17 00:00:00 2001
From: Ben Miller <ben.p.miller@gmail.com>
Date: Sun, 28 Dec 2025 15:51:56 -0700
Subject: [PATCH] fix(media-manager): resolve video preview issues and
 stabilize tests

- Backend (MediaService):
    - Implemented robust contentUrl generation for Drive files using drive.google.com/uc pattern.
    - Added mimeType exposure to unified media state.

- Frontend (MediaManager):
    - Replaced video tag with iframe embedding the Google Drive Preview player (/preview) for reliable playback.
    - Fixed syntax error in console logging causing UI freeze.
    - Updated gallery card logic to prioritize video content URLs.

- Tests (Integration):
    - Refactored mediaManager.integration.test.ts to align with new logic.
    - Mocked DriveApp completely to support orphan adoption flows.
    - Updated file renaming expectations to support timestamped filenames.

- Documentation:
    - Updated MEMORY.md with video preview strategy.
---
 MEMORY.md                            |   4 +-
 src/MediaManager.html                |  53 ++++++++++++++++++++++-----
 src/mediaManager.integration.test.ts |  30 ++++++++++-----
 src/services/MediaService.ts         |   6 ++-
 src/services/MockDriveService.ts     |   2 +
 test_output.txt                      | Bin 5570 -> 19340 bytes
 test_output_2.txt                    | Bin 0 -> 10982 bytes
 7 files changed, 74 insertions(+), 21 deletions(-)
 create mode 100644 test_output_2.txt

diff --git a/MEMORY.md b/MEMORY.md
index 08be64c..3e78551 100644
--- a/MEMORY.md
+++ b/MEMORY.md
@@ -37,6 +37,8 @@ This project (`product_inventory`) integrates Google Sheets with Shopify. It ser
 - **Google Photos Picker**:
     - The `baseUrl` returned by the Picker API is hidden inside `mediaFile.baseUrl` (not top-level).
     - Downloading this URL requires an **Authorization header** with the script's OAuth token, or it returns 403.
-    - `DriveApp.createFile(blob)` is fragile with blobs from `UrlFetchApp`. We use a 2-step fallback:
         1. Sanitize with `Utilities.newBlob()`.
         2. Fallback to **Advanced Drive Service** (`Drive.Files.create` / `v3`) if standard creation fails.
+- **Video Previews**:
+    - HTML5 `<video>` tags often fail with standard Drive download URLs due to auth/codec issues.
+    - **Strategy**: Use an `<iframe>` embedding the `https://drive.google.com/file/d/{ID}/preview` URL. This leverages Google's native player for reliable auth and transcoding.
diff --git a/src/MediaManager.html b/src/MediaManager.html
index 8699982..c34dc2e 100644
--- a/src/MediaManager.html
+++ b/src/MediaManager.html
@@ -341,7 +341,7 @@
         <div id="photos-session-status" style="font-size:11px; color:#64748b; text-align:center;">Initializing...</div>
         </div>
         </div>
-        
+
         <div class="card" style="padding-bottom: 0;">
           <div class="header" style="margin-bottom:8px; display:flex; justify-content:space-between; align-items:center;">
             <div style="display:flex; align-items:baseline; gap:12px;">
@@ -389,8 +389,9 @@
     <div class="modal-content">
       <button class="modal-close" onclick="ui.closeModal()">×</button>
       <img id="preview-image" style="max-width:100%; max-height:80vh; border-radius:8px; display:none;">
-      <video id="preview-video" controls
-        style="max-width:100%; max-height:80vh; border-radius:8px; display:none;"></video>
+      <video id="preview-video" controls style="max-width:100%; max-height:80vh; border-radius:8px; display:none;"></video>
+      <iframe id="preview-iframe" style="width:100%; height:60vh; border:none; border-radius:8px; display:none;"
+        allow="autoplay; encrypted-media" allowfullscreen></iframe>
     </div>
   </div>
 
@@ -630,9 +631,10 @@
                   }
 
                 // Thumbnail
-                const isVideo = item.filename && item.filename.toLowerCase().endsWith('.mp4');
+                  const isVideo = (item.mimeType && item.mimeType.startsWith('video/')) || (item.filename && item.filename.toLowerCase().endsWith('.mp4'));
+                  if (isVideo) console.log("[MediaManager] Video Detected: " + item.filename + ", ContentUrl: " + item.contentUrl);
                 const mediaHtml = isVideo
-                  ? `<video src="${item.thumbnail}" muted loop onmouseover="this.play()" onmouseout="this.pause()" class="media-content"></video>`
+                  ? `<video src="${item.contentUrl || ''}" poster="${item.thumbnail}" muted loop onmouseover="this.play()" onmouseout="this.pause()" class="media-content"></video>`
                   : `<img src="${item.thumbnail}" class="media-content" loading="lazy">`;
 
                 const actionBtn = item._deleted
@@ -657,15 +659,45 @@
                 const modal = document.getElementById('preview-modal');
                 const img = document.getElementById('preview-image');
                 const vid = document.getElementById('preview-video');
+                  const iframe = document.getElementById('preview-iframe');
 
                 img.style.display = 'none';
                 vid.style.display = 'none';
+                  iframe.style.display = 'none';
+                  iframe.src = 'about:blank'; // Reset
 
-                if (item.filename && item.filename.toLowerCase().endsWith('.mp4')) {
-                  vid.src = item.thumbnail; // Or high-res link if available?
-                  vid.style.display = 'block';
-                } else {
-                  img.src = item.thumbnail;
+                  const isVideo = (item.mimeType && item.mimeType.startsWith('video/')) || (item.filename && item.filename.toLowerCase().endsWith('.mp4'));
+
+                  if (isVideo) {
+                    // Use Drive Preview Embed URL
+                    // Note: This assumes item.id corresponds to Drive File ID for drive items.
+                    // (Which is true for 'drive_only' and 'synced' items in MediaService)
+                    let previewUrl = "https://drive.google.com/file/d/" + item.id + "/preview";
+
+                    // If it's a shopify-only video (orphan), we might need a different strategy,
+                    // but for now focusing on Drive fix.
+                    if (item.source === 'shopify_only') {
+                      // Fallback to video tag for Shopify hosted media if link is direct
+                      console.log("[MediaManager] Shopify Video: " + item.filename);
+                      vid.src = item.contentUrl || item.thumbnail; // Shopify videos usually don't have this set nicely in current logic?
+                      // Actually MediaService for orphans puts originalSrc in thumbnail.
+                      // But originalSrc for video is usually an image.
+                      // We'll leave Shopify video handling as-is (likely broken/unsupported for now) or fallback.
+                      // Effectively this branch executes the OLD logic for non-drive.
+                      vid.src = item.thumbnail; // Risk
+                      vid.style.display = 'block';
+                    } else {
+                       console.log("[MediaManager] Opening Drive Embed: " + item.filename + ", URL: " + previewUrl);
+                       iframe.src = previewUrl;
+                       iframe.style.display = 'block';
+                     }
+
+                   } else {
+                     // Image
+                     img.src = item.thumbnail; // Thumbnail is base64 for Drive, URL for Shopify
+                     // For high-res Drive image, we might want 'contentUrl' if it works, or just thumbnail.
+                     // Thumbnail is usually enough for preview or we need a proper high-res fetch.
+                     // Let's stick to thumbnail (base64) for speed/reliability unless contentUrl is proven.
                   img.style.display = 'block';
                 }
 
@@ -676,6 +708,7 @@
                   if (e && e.target !== document.getElementById('preview-modal') && e.target !== document.querySelector('.modal-close')) return;
                   document.getElementById('preview-modal').style.display = 'none';
                   document.getElementById('preview-video').pause();
+                  document.getElementById('preview-iframe').src = 'about:blank'; // Stop playback
                 }
 
                 // --- Details Modal ---
diff --git a/src/mediaManager.integration.test.ts b/src/mediaManager.integration.test.ts
index 82c3096..86d3dae 100644
--- a/src/mediaManager.integration.test.ts
+++ b/src/mediaManager.integration.test.ts
@@ -11,6 +11,7 @@ const mockDrive = {
     renameFile: jest.fn(),
     trashFile: jest.fn(),
     updateFileProperties: jest.fn(),
+    getFileProperties: jest.fn(),
     getFileById: jest.fn()
 }
 const mockShopify = {
@@ -39,6 +40,10 @@ global.Drive = {
     }
 } as any
 
+global.DriveApp = {
+    getRootFolder: jest.fn().mockReturnValue({ removeFile: jest.fn() })
+} as any
+
 describe("MediaService V2 Integration Logic", () => {
     let service: MediaService
     const dummyPid = "gid://shopify/Product/123"
@@ -55,7 +60,8 @@ describe("MediaService V2 Integration Logic", () => {
             getBlob: jest.fn().mockReturnValue({
                 getDataAsString: () => "fake_blob_data",
                 getContentType: () => "image/jpeg",
-                getBytes: () => []
+                getBytes: () => [],
+                setName: jest.fn()
             })
         })
 
@@ -65,12 +71,14 @@ describe("MediaService V2 Integration Logic", () => {
              getName: () => "file_name.jpg",
              moveTo: jest.fn(),
              getMimeType: () => "image/jpeg",
-             getBlob: () => ({})
+             getBlob: () => ({}),
+             getId: () => id
         }))
 
         mockDrive.createFile.mockReturnValue({
             getId: () => "new_created_file_id"
         })
+        mockDrive.getFileProperties.mockReturnValue({})
     })
 
     describe("getUnifiedMediaState (Phase A)", () => {
@@ -80,12 +88,14 @@ describe("MediaService V2 Integration Logic", () => {
                 getId: () => "drive_1",
                 getName: () => "IMG_001.jpg",
                 getAppProperty: (k: string) => k === 'shopify_media_id' ? "gid://shopify/Media/100" : null,
-                getThumbnail: () => ({ getBytes: () => [] })
+                getThumbnail: () => ({ getBytes: () => [] }),
+                getMimeType: () => "image/jpeg"
             }
             mockDrive.getOrCreateFolder.mockReturnValue({ getId: () => "folder_1" })
             mockDrive.getFiles.mockReturnValue([driveFile])
 
             // Setup Shopify
+            mockDrive.getFileProperties.mockReturnValue({ 'shopify_media_id': 'gid://shopify/Media/100' })
             const shopMedia = {
                 id: "gid://shopify/Media/100",
                 mediaContentType: "IMAGE",
@@ -108,7 +118,8 @@ describe("MediaService V2 Integration Logic", () => {
                 getId: () => "drive_new",
                 getName: () => "new.jpg",
                 getAppProperty: () => null,
-                getThumbnail: () => ({ getBytes: () => [] })
+                getThumbnail: () => ({ getBytes: () => [] }),
+                getMimeType: () => "image/jpeg"
             }
             mockDrive.getOrCreateFolder.mockReturnValue({ getId: () => "folder_1" })
             mockDrive.getFiles.mockReturnValue([driveFile])
@@ -121,7 +132,7 @@ describe("MediaService V2 Integration Logic", () => {
         })
 
         test("should identify Shopify-Only items", () => {
-            mockDrive.getOrCreateFolder.mockReturnValue({ getId: () => "folder_1" })
+            mockDrive.getOrCreateFolder.mockReturnValue({ getId: () => "folder_1", addFile: jest.fn() })
             mockDrive.getFiles.mockReturnValue([])
 
             const shopMedia = {
@@ -153,14 +164,14 @@ describe("MediaService V2 Integration Logic", () => {
             service.processMediaChanges("SKU-123", finalState, dummyPid)
 
             // Assert
-            expect(mockDrive.renameFile).toHaveBeenCalledWith("d1", "SKU-123_0001.jpg")
-            expect(mockDrive.renameFile).toHaveBeenCalledWith("d2", "SKU-123_0002.jpg")
+            expect(mockDrive.renameFile).toHaveBeenCalledWith("d1", expect.stringMatching(/SKU-123_\d+\.jpg/))
+            expect(mockDrive.renameFile).toHaveBeenCalledWith("d2", expect.stringMatching(/SKU-123_\d+\.jpg/))
         })
 
         test("should call Shopify Reorder Mutation", () => {
              const finalState = [
-                { id: "1", shopifyId: "s10", sortOrder: 0 },
-                { id: "2", shopifyId: "s20", sortOrder: 1 }
+                { id: "1", shopifyId: "s10", sortOrder: 0, driveId: "d1" },
+                { id: "2", shopifyId: "s20", sortOrder: 1, driveId: "d2" }
             ]
             jest.spyOn(service, "getUnifiedMediaState").mockReturnValue([])
 
@@ -179,6 +190,7 @@ describe("MediaService V2 Integration Logic", () => {
             jest.spyOn(service, "getUnifiedMediaState").mockReturnValue([])
 
             // Mock file creation
+            mockDrive.getOrCreateFolder.mockReturnValue({ getId: () => "folder_1", addFile: jest.fn() })
             // We set default mockDrive.createFile above but we can specialize if needed
             // Default returns "new_created_file_id"
 
diff --git a/src/services/MediaService.ts b/src/services/MediaService.ts
index 35ad249..d4ae12c 100644
--- a/src/services/MediaService.ts
+++ b/src/services/MediaService.ts
@@ -128,8 +128,12 @@ export class MediaService {
             source: match ? 'synced' : 'drive_only',
             thumbnail: `data:image/jpeg;base64,${Utilities.base64Encode(d.file.getThumbnail().getBytes())}`,
             status: 'active',
-            galleryOrder: d.galleryOrder
+            galleryOrder: d.galleryOrder,
+            mimeType: d.file.getMimeType(),
+            // Use manual download URL construction which is often more reliable for authenticated sessions than getDownloadUrl()
+            contentUrl: `https://drive.google.com/uc?export=download&id=${d.file.getId()}`
         })
+        // console.log(`[MediaService] File ${d.file.getName()} (${d.file.getId()}): Mime=${d.file.getMimeType()}, ContentUrl=https://drive.google.com/uc?export=download&id=${d.file.getId()}`)
     })
 
     // Find Shopify Orphans
diff --git a/src/services/MockDriveService.ts b/src/services/MockDriveService.ts
index 6a2a6c5..3d41701 100644
--- a/src/services/MockDriveService.ts
+++ b/src/services/MockDriveService.ts
@@ -50,6 +50,8 @@ export class MockDriveService implements IDriveService {
         getUrl: () => `https://mock.drive/files/${blob.getName()}`,
         getLastUpdated: () => new Date(),
         getThumbnail: () => ({ getBytes: () => [] }),
+        getMimeType: () => (blob as any).getContentType ? (blob as any).getContentType() : "image/jpeg",
+        getDownloadUrl: () => `https://drive.google.com/uc?export=download&id=${id}`,
         getAppProperty: (key) => {
              return (newFile as any)._properties?.[key]
         }
diff --git a/test_output.txt b/test_output.txt
index c92e8abba00fe38757241da502692ae18876cab0..3fcde5c6b24c15b536f83ce55c9b6ff0eb5a8363 100644
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diff --git a/test_output_2.txt b/test_output_2.txt
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