name: Helm Chart Build

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  workflow_dispatch:

jobs:
  build-helm:
    runs-on: ubuntu-latest
    # Only run on main branch pushes (not on PRs)
    if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Fetch all history for proper versioning

      - name: Install Helm
        uses: azure/setup-helm@v3
        with:
          version: "latest"

      - name: Get chart version
        run: |
          # Get version from Chart.yaml
          VERSION=$(grep '^version:' helm/api7ee-demo-k8s/Chart.yaml | awk '{print $2}')
          echo "📌 Chart version: ${VERSION}"
          echo "VERSION=${VERSION}" >> $GITHUB_ENV

      - name: Lint Helm chart
        run: |
          helm lint helm/api7ee-demo-k8s/

      - name: Prepare and package Helm chart
        run: |
          # Create a temporary copy of the chart for packaging
          cp -r helm/api7ee-demo-k8s /tmp/api7ee-demo-k8s-chart

          # Update image registry and repository to match Gitea
          sed -i "s|registry: gitea.server_url|registry: ${{ vars.PACKAGES_REGISTRY || gitea.server_url }}|g" /tmp/api7ee-demo-k8s-chart/values.yaml
          sed -i "s|repository: gitea.repository/|repository: ${{ gitea.repository }}/|g" /tmp/api7ee-demo-k8s-chart/values.yaml

          # Package the chart
          helm package /tmp/api7ee-demo-k8s-chart

          # Store chart filename
          echo "CHART_FILE=api7ee-demo-k8s-${VERSION}.tgz" >> $GITHUB_ENV
          echo "📦 Packaged chart: api7ee-demo-k8s-${VERSION}.tgz"

      - name: Push Helm chart to Gitea Package Registry
        run: |
          # Upload Helm chart to Gitea package registry
          echo "📤 Uploading chart to Gitea Package Registry..."

          curl --fail-with-body \
            -H "Authorization: token ${{ secrets.TOKEN }}" \
            -X POST \
            -F "chart=@${CHART_FILE}" \
            https://${{ vars.PACKAGES_REGISTRY || gitea.server_url }}/api/packages/${{ gitea.repository_owner }}/helm/api/charts

          echo "✅ Helm chart pushed successfully to Gitea Package Registry"
          echo "📦 Chart: ${CHART_FILE}"
          echo "🔗 Registry URL: https://${{ vars.PACKAGES_REGISTRY || gitea.server_url }}/api/packages/${{ gitea.repository_owner }}/helm"


      - name: Summary
        run: |
          echo "## 📦 Helm Chart Published"
          echo ""
          echo "- **Version:** ${VERSION}"
          echo "- **Chart:** ${CHART_FILE}"
          echo "- **Registry:** https://${{ vars.PACKAGES_REGISTRY || gitea.server_url }}/api/packages/${{ gitea.repository_owner }}/helm"
          echo ""
          echo "### Installation"
          echo '```bash'
          echo "helm repo add api7ee https://${{ vars.PACKAGES_REGISTRY || gitea.server_url }}/api/packages/${{ gitea.repository_owner }}/helm"
          echo "helm repo update"
          echo "helm install my-api7ee api7ee/api7ee-demo-k8s --version ${VERSION}"
          echo '```'

  lint-only:
    runs-on: ubuntu-latest
    # Only run on PRs
    if: github.event_name == 'pull_request'
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install Helm
        uses: azure/setup-helm@v3
        with:
          version: "latest"

      - name: Lint Helm chart
        run: |
          echo "🔍 Linting Helm chart for PR..."
          helm lint helm/api7ee-demo-k8s/
          echo "✅ Helm chart linting passed"