name: Release Charts

on:
  pull_request:
    paths:
    - 'charts/**'

  push:
    branches:
    - 'main'
    paths:
    - 'charts/**'

jobs:
  charts-changed:
    name: Get Charts Being Changed
    runs-on: ci-os
    steps:
    - name: Checkout
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: List changed charts
      id: changed-charts
      run: |
        changed=$(ct --config .forgejo/ct.yaml list-changed | tr '\n' ' ' | jq -R -s -c 'split(" ") | map(select(length > 0))')
        if [[ -n "$changed" ]]; then
          echo "changesExist=true" >> $GITHUB_ENV
          echo "reposChanged=$changed" >> $GITHUB_ENV
        else
          echo "changesExist=false" >> $GITHUB_ENV
          echo "reposChanged=[]" >> $GITHUB_ENV
        fi
    outputs:
      changesExist: ${{ env.changesExist }}
      reposChanged: ${{ env.reposChanged }}

  helm-publish:
    name: "Publish Helm Chart"
    needs: charts-changed
    if: github.event_name == 'push' && github.ref == 'refs/heads/main' &&
      needs.charts-changed.outputs.changesExist == 'true'
    runs-on: ci-os
    steps:
    - name: Checkout
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Publish
      env:
        FORGEJO_TOKEN: ${{ secrets.REPO_TOKEN }}
      run: |
        charts="${{ needs.charts-changed.outputs.reposChanged }}"

        for chart in $(echo "$charts" | jq -r '.[]'); do
          rm -rf dist || true
          mkdir dist || true

          CHART_NAME=$(yq -r .name "$chart/Chart.yaml")
          CHART_VERSION=$(yq -r .version "$chart/Chart.yaml")
          TAG="$CHART_NAME-$CHART_VERSION"
          OCI_URL="oci://code.252.no/tommy/charts"
          
          echo "=================="
          echo "Packaging and pushing chart: $chart with tag $TAG to $OCI_URL"
          helm package "$chart" -d dist
          echo "${{ secrets.REPO_TOKEN }}" | helm registry login code.252.no -u tommy --password-stdin
          helm push "dist/$TAG.tgz" "$OCI_URL"

          echo "Creating release on Forgejo"
          forgejo-release create --repo "${{ github.repository }}" --tag "$TAG" --notes "${{ env.RELEASE_NOTES }}" --sha "${{ github.sha }}"
          echo "=================="
        done