name: Publish Helm Charts

on:
  push:
    branches: [ main, master ]
  pull_request:
    branches: [ main, master ]

env:
  GITEA_URL: https://gt.hexor.cy:30022
  GITEA_OWNER: ab

jobs:
  build-and-publish:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Helm
        uses: azure/setup-helm@v4
        with:
          version: v3.14.0

      - name: Find and process charts
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
        run: |
          echo "🔍 Searching for Helm charts..."
          CHARTS_FOUND=0
          
          # Find all directories with Chart.yaml in root
          for dir in */; do
            if [ -f "${dir}Chart.yaml" ]; then
              CHART_NAME="${dir%/}"
              echo "📦 Found chart: $CHART_NAME"
              
              # Lint chart
              echo "🔧 Linting chart: $CHART_NAME"
              helm lint "$CHART_NAME/"
              
              # Template test
              echo "🧪 Template testing chart: $CHART_NAME"
              helm template test "$CHART_NAME/" --debug > /dev/null
              
              # Get chart info
              VERSION=$(helm show chart "$CHART_NAME/" | grep '^version:' | awk '{print $2}')
              NAME=$(helm show chart "$CHART_NAME/" | grep '^name:' | awk '{print $2}')
              echo "Chart: $NAME, Version: $VERSION"
              
              # Only publish on main/master branch
              if [[ "$GITHUB_REF" == "refs/heads/main" || "$GITHUB_REF" == "refs/heads/master" ]]; then
                echo "📤 Publishing chart: $CHART_NAME"
                
                # Create packages directory
                mkdir -p packages
                
                # Package chart
                helm package "$CHART_NAME/" --destination ./packages/
                
                CHART_FILE="packages/$NAME-$VERSION.tgz"
                
                # Publish to Gitea Registry
                if [ -n "$GITEA_TOKEN" ]; then
                  echo "Publishing $CHART_FILE to registry..."
                  
                  HTTP_CODE=$(curl -w "%{http_code}" -s -o /dev/null \
                    -H "Authorization: token $GITEA_TOKEN" \
                    -X POST \
                    --upload-file "$CHART_FILE" \
                    "$GITEA_URL/api/packages/$GITEA_OWNER/helm/api/charts")
                  
                  if [[ "$HTTP_CODE" =~ ^2[0-9][0-9]$ ]]; then
                    echo "✅ Chart $CHART_NAME published successfully! (HTTP $HTTP_CODE)"
                    
                    # Verify publication
                    echo "🔍 Verifying publication..."
                    sleep 5
                    
                    if curl -s -H "Authorization: token $GITEA_TOKEN" \
                      "$GITEA_URL/api/packages/$GITEA_OWNER/helm/index.yaml" \
                      | grep -q "$NAME-$VERSION"; then
                      echo "✅ Chart $CHART_NAME verified in registry!"
                    else
                      echo "⚠️ Chart $CHART_NAME not found in registry index yet (may take time to index)"
                    fi
                  else
                    echo "❌ Failed to publish chart $CHART_NAME. HTTP status: $HTTP_CODE"
                    exit 1
                  fi
                else
                  echo "⚠️ GITEA_TOKEN not set, skipping publication"
                fi
              else
                echo "ℹ️ Skipping publication (not on main/master branch)"
              fi
              
              CHARTS_FOUND=$((CHARTS_FOUND + 1))
            fi
          done
          
          if [ $CHARTS_FOUND -eq 0 ]; then
            echo "❌ No Helm charts found in repository root"
            exit 1
          else
            echo "📊 Summary: Processed $CHARTS_FOUND chart(s)"
            echo "🌐 Registry: $GITEA_URL/packages/$GITEA_OWNER"
          fi