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:
  detect-charts:
    runs-on: ubuntu-latest
    outputs:
      charts: ${{ steps.list_charts.outputs.charts }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Detect charts
        id: list_charts
        run: |
          CHARTS=()
          
          # Find all directories with Chart.yaml in root
          for dir in */; do
            if [ -f "${dir}Chart.yaml" ]; then
              CHARTS+=("${dir%/}")
            fi
          done
          
          # Convert to JSON array
          CHARTS_JSON=$(printf '%s\n' "${CHARTS[@]}" | jq -R . | jq -s .)
          echo "charts=$CHARTS_JSON" >> $GITHUB_OUTPUT
          echo "Found charts: ${CHARTS[*]}"

  lint-test:
    needs: detect-charts
    runs-on: ubuntu-latest
    if: needs.detect-charts.outputs.charts != '[]'
    strategy:
      matrix:
        chart: ${{ fromJson(needs.detect-charts.outputs.charts) }}
    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: Lint chart - ${{ matrix.chart }}
        run: |
          echo "Linting chart: ${{ matrix.chart }}"
          helm lint ${{ matrix.chart }}/

      - name: Template test - ${{ matrix.chart }}
        run: |
          echo "Template testing chart: ${{ matrix.chart }}"
          helm template test ${{ matrix.chart }}/ --debug

  publish:
    needs: [detect-charts, lint-test]
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master'
    strategy:
      matrix:
        chart: ${{ fromJson(needs.detect-charts.outputs.charts) }}
    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: Get chart info - ${{ matrix.chart }}
        id: chart_info
        run: |
          VERSION=$(helm show chart ${{ matrix.chart }}/ | grep '^version:' | awk '{print $2}')
          NAME=$(helm show chart ${{ matrix.chart }}/ | grep '^name:' | awk '{print $2}')
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "name=$NAME" >> $GITHUB_OUTPUT
          echo "Chart: $NAME, Version: $VERSION"

      - name: Create packages directory
        run: mkdir -p packages

      - name: Package chart - ${{ matrix.chart }}
        run: |
          echo "Packaging chart: ${{ matrix.chart }}"
          helm package ${{ matrix.chart }}/ --destination ./packages/

      - name: Publish to Gitea Registry - ${{ matrix.chart }}
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
        run: |
          CHART_FILE="packages/${{ steps.chart_info.outputs.name }}-${{ steps.chart_info.outputs.version }}.tgz"
          
          echo "Publishing chart: $CHART_FILE"
          
          response=$(curl -w "%{http_code}" -s -H "Authorization: token $GITEA_TOKEN" \
            -X POST \
            --upload-file "$CHART_FILE" \
            "$GITEA_URL/api/packages/$GITEA_OWNER/helm/api/charts")
          
          if [[ "$response" =~ ^2[0-9][0-9]$ ]]; then
            echo "✅ Chart ${{ matrix.chart }} published successfully!"
          else
            echo "❌ Failed to publish chart ${{ matrix.chart }}. HTTP status: $response"
            exit 1
          fi

      - name: Verify publication - ${{ matrix.chart }}
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
        run: |
          echo "Checking if chart ${{ matrix.chart }} is available in registry..."
          
          # Wait for indexing
          sleep 10
          
          if curl -s -H "Authorization: token $GITEA_TOKEN" \
            "$GITEA_URL/api/packages/$GITEA_OWNER/helm/index.yaml" \
            | grep -q "${{ steps.chart_info.outputs.name }}-${{ steps.chart_info.outputs.version }}"; then
            echo "✅ Chart ${{ matrix.chart }} verified in registry!"
          else
            echo "⚠️ Chart ${{ matrix.chart }} not found in registry index yet"
          fi

  summary:
    needs: [detect-charts, publish]
    runs-on: ubuntu-latest
    if: always() && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master')
    steps:
      - name: Summary
        run: |
          echo "📦 Helm Charts Publication Summary"
          echo "Charts processed: ${{ join(fromJson(needs.detect-charts.outputs.charts), ', ') }}"
          echo "Registry: $GITEA_URL/packages/$GITEA_OWNER"