Enhance CI workflow with secret checks and error handling

Added debugging steps to check if Hugging Face secrets are set and improved error handling for space accessibility.

.github/workflows/ci.yml

@@ -1,5 +1,4 @@
 name: Backend CI
-
 on:
   push:
     branches: [ main, develop ]
@@ -7,7 +6,6 @@ on:
     branches: [ main ]
 
 jobs:
-
   backend:
     runs-on: ubuntu-latest
     strategy:
@@ -55,7 +53,29 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
         with:
-          lfs: true  # Enable Git LFS if needed
+          fetch-depth: 0
+          lfs: true
+          
+      - name: Debug - Check secrets are set
+        run: |
+          echo "Checking if secrets are available..."
+          if [ -z "${{ secrets.HF_TOKEN }}" ]; then
+            echo "❌ HF_TOKEN is NOT set!"
+          else
+            echo "✅ HF_TOKEN is set (length: ${{ secrets.HF_TOKEN != '' && 'yes' || 'no' }})"
+          fi
+          
+          if [ -z "${{ secrets.HF_USERNAME }}" ]; then
+            echo "❌ HF_USERNAME is NOT set!"
+          else
+            echo "✅ HF_USERNAME is set"
+          fi
+          
+          if [ -z "${{ secrets.HF_SPACE_NAME }}" ]; then
+            echo "❌ HF_SPACE_NAME is NOT set!"
+          else
+            echo "✅ HF_SPACE_NAME is set"
+          fi
           
       - name: Verify Space Configuration
         env:
@@ -63,67 +83,87 @@ jobs:
           HF_USERNAME: ${{ secrets.HF_USERNAME }}
           HF_SPACE_NAME: ${{ secrets.HF_SPACE_NAME }}
         run: |
-          echo "=== Debugging Space Configuration ==="
+          set +e  # Don't exit on error in this step
+          
+          echo "=== Space Configuration Check ==="
           
           # Check if variables are set
           if [ -z "$HF_USERNAME" ]; then
-            echo "ERROR: HF_USERNAME is empty or not set!"
+            echo "❌ ERROR: HF_USERNAME is empty!"
+            echo "Please add HF_USERNAME secret in GitHub Settings > Secrets > Actions"
             exit 1
           fi
           
           if [ -z "$HF_SPACE_NAME" ]; then
-            echo "ERROR: HF_SPACE_NAME is empty or not set!"
+            echo "❌ ERROR: HF_SPACE_NAME is empty!"
+            echo "Please add HF_SPACE_NAME secret in GitHub Settings > Secrets > Actions"
             exit 1
           fi
           
           if [ -z "$HF_TOKEN" ]; then
-            echo "ERROR: HF_TOKEN is empty or not set!"
+            echo "❌ ERROR: HF_TOKEN is empty!"
+            echo "Please add HF_TOKEN secret in GitHub Settings > Secrets > Actions"
             exit 1
           fi
           
-          # Show lengths (not masked)
-          echo "HF_USERNAME length: ${#HF_USERNAME}"
-          echo "HF_SPACE_NAME length: ${#HF_SPACE_NAME}"
-          echo "HF_TOKEN length: ${#HF_TOKEN}"
-          
-          # Show first and last characters (to detect spaces/special chars)
+          echo "✅ All secrets are set"
           echo ""
-          echo "First char of HF_USERNAME: '$(echo -n "${HF_USERNAME}" | cut -c1)'"
-          echo "Last char of HF_USERNAME: '$(echo -n "${HF_USERNAME}" | tail -c1)'"
-          echo "First char of HF_SPACE_NAME: '$(echo -n "${HF_SPACE_NAME}" | cut -c1)'"
-          echo "Last char of HF_SPACE_NAME: '$(echo -n "${HF_SPACE_NAME}" | tail -c1)'"
-          
-          # Check for whitespace
+          echo "String lengths:"
+          echo "  HF_USERNAME: ${#HF_USERNAME} characters"
+          echo "  HF_SPACE_NAME: ${#HF_SPACE_NAME} characters"
+          echo "  HF_TOKEN: ${#HF_TOKEN} characters"
           echo ""
-          if [[ "$HF_USERNAME" =~ [[:space:]] ]]; then
-            echo "WARNING: HF_USERNAME contains whitespace!"
+          
+          # Check for common issues
+          if [[ "$HF_USERNAME" =~ ^[[:space:]] ]] || [[ "$HF_USERNAME" =~ [[:space:]]$ ]]; then
+            echo "⚠️  WARNING: HF_USERNAME has leading or trailing spaces!"
           fi
-          if [[ "$HF_SPACE_NAME" =~ [[:space:]] ]]; then
-            echo "WARNING: HF_SPACE_NAME contains whitespace!"
+          
+          if [[ "$HF_SPACE_NAME" =~ ^[[:space:]] ]] || [[ "$HF_SPACE_NAME" =~ [[:space:]]$ ]]; then
+            echo "⚠️  WARNING: HF_SPACE_NAME has leading or trailing spaces!"
           fi
           
-          # Try to access the space via API
+          # Test API access
           echo ""
-          echo "Testing space accessibility..."
-          RESPONSE=$(curl -s -o /dev/null -w "%{http_code}" \
+          echo "Testing Hugging Face API access..."
+          HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" \
+            -H "Authorization: Bearer ${HF_TOKEN}" \
             "https://huggingface.co/api/spaces/${HF_USERNAME}/${HF_SPACE_NAME}")
-          echo "API Response Code: $RESPONSE"
-          
-          if [ "$RESPONSE" == "200" ]; then
-            echo "✓ Space exists and is accessible!"
-          elif [ "$RESPONSE" == "404" ]; then
-            echo "✗ Space not found (404). Please check:"
-            echo "  1. Space exists at https://huggingface.co/spaces/${HF_USERNAME}/${HF_SPACE_NAME}"
-            echo "  2. HF_USERNAME and HF_SPACE_NAME secrets are correct"
-          elif [ "$RESPONSE" == "401" ] || [ "$RESPONSE" == "403" ]; then
-            echo "✗ Access denied ($RESPONSE). Check if space is private and token has access"
-          else
-            echo "✗ Unexpected response: $RESPONSE"
-          fi
-          
-          echo "====================================="
           
-      - name: Push to Hugging Face Space
+          echo "API Response: $HTTP_CODE"
+          
+          case $HTTP_CODE in
+            200)
+              echo "✅ Space found and accessible!"
+              ;;
+            404)
+              echo "❌ Space not found (404)"
+              echo ""
+              echo "Troubleshooting steps:"
+              echo "1. Verify your space exists on Hugging Face"
+              echo "2. Check the URL format: https://huggingface.co/spaces/USERNAME/SPACE-NAME"
+              echo "3. Ensure HF_USERNAME matches your Hugging Face username exactly (case-sensitive)"
+              echo "4. Ensure HF_SPACE_NAME matches your space name exactly (case-sensitive)"
+              exit 1
+              ;;
+            401|403)
+              echo "❌ Authentication failed ($HTTP_CODE)"
+              echo ""
+              echo "Token may be invalid or expired. Please:"
+              echo "1. Go to https://huggingface.co/settings/tokens"
+              echo "2. Create a new token with 'write' permissions"
+              echo "3. Update the HF_TOKEN secret in GitHub"
+              exit 1
+              ;;
+            *)
+              echo "⚠️  Unexpected response: $HTTP_CODE"
+              echo "Proceeding anyway..."
+              ;;
+          esac
+          
+          echo "===================================="
+          
+      - name: Deploy to Hugging Face Space
         env:
           HF_TOKEN: ${{ secrets.HF_TOKEN }}
           HF_USERNAME: ${{ secrets.HF_USERNAME }}
@@ -142,12 +182,30 @@ jobs:
           # Add the Hugging Face Space as a remote
           git remote add space "${SPACE_URL}"
           
-          # Try to fetch from the space (non-fatal if it fails)
+          # Try to fetch from the space
           echo "Fetching from Hugging Face Space..."
-          git fetch space || echo "Could not fetch from space (this is OK for first push)"
+          if git fetch space 2>&1 | tee /tmp/fetch_output.txt; then
+            echo "✅ Fetch successful"
+          else
+            if grep -q "Repository not found" /tmp/fetch_output.txt; then
+              echo "❌ Repository not found - this usually means:"
+              echo "   1. The space doesn't exist"
+              echo "   2. The username or space name is incorrect"
+              echo "   3. The space is private and the token doesn't have access"
+              exit 1
+            fi
+            echo "⚠️  Fetch failed, but continuing (may be first push)"
+          fi
           
           # Push to the space
-          echo "Pushing to Hugging Face Space: ${HF_USERNAME}/${HF_SPACE_NAME}"
-          git push space HEAD:main --force
-          
-          echo "✓ Successfully deployed to https://huggingface.co/spaces/${HF_USERNAME}/${HF_SPACE_NAME}"
+          echo ""
+          echo "Pushing to Hugging Face Space..."
+          if git push space HEAD:main --force; then
+            echo ""
+            echo "✅ Successfully deployed!"
+            echo "🚀 View your space at: https://huggingface.co/spaces/${HF_USERNAME}/${HF_SPACE_NAME}"
+          else
+            echo ""
+            echo "❌ Push failed!"
+            exit 1
+          fi