name: Release

on:
  workflow_dispatch:
  push:
    branches:
      - master
    paths:
      - charts/**

permissions:
  contents: write
  packages: write
  pages: write
  id-token: write

concurrency:
  group: release
  cancel-in-progress: false

jobs:
  release-charts:
    name: Release Charts
    runs-on: ubuntu-latest
    env:
      AUTHOR_USER: plcnk-bot
      AUTHOR_EMAIL: 178334506+plcnk-bot[bot]@users.noreply.github.com
    steps:
      - name: Generate Token
        id: app-token
        uses: actions/create-github-app-token@v1
        with:
          app-id: ${{ secrets.BOT_APP_ID }}
          private-key: ${{ secrets.BOT_APP_PRIVATE_KEY }}

      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Configure Git
        run: |
          git config user.name "${{ env.AUTHOR_USER }}"
          git config user.email "${{ env.AUTHOR_EMAIL }}"

      - name: Add Helm repos
        run: |
          helm repo add bjw-s https://bjw-s.github.io/helm-charts
          helm repo add bitnami https://charts.bitnami.com/bitnami

      - name: Install chart-releaser
        uses: helm/chart-releaser-action@v1.5.0
        with:
          install_only: true

      - name: Package charts
        id: package_charts
        run: |
          changed_charts=""
          for dir in charts/*; do
            chart_name="$(basename "$dir")"
            version="$(yq '.version' "$dir/Chart.yaml")"
            if ! git rev-parse "$chart_name-${version#v}" &>/dev/null; then
              echo "Packaging chart $chart_name..."
              cr package --package-path=.cr-release-packages "$dir"
              changed_charts+="$chart_name,"
            fi
          done
          echo "changed_charts=${changed_charts%,}" >> $GITHUB_OUTPUT

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        if: steps.package_charts.outputs.changed_charts != ''
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ github.token }}

      - name: Push charts to GHCR
        if: steps.package_charts.outputs.changed_charts != ''
        run: |
          for pkg in .cr-release-packages/*; do
            if [ -z "${pkg:-}" ]; then
              break
            fi
            echo "Pushing $pkg..."
            helm push "$pkg" "oci://ghcr.io/$GITHUB_REPOSITORY_OWNER/charts"
          done

      - name: Publish charts
        uses: helm/chart-releaser-action@v1.5.0
        if: steps.package_charts.outputs.changed_charts != ''
        with:
          config: .github/cr-config.yaml
          skip_packaging: true
        env:
          CR_TOKEN: ${{ steps.app-token.outputs.token }}