on:
  schedule:
    - cron: '10 0 * * *'
  workflow_dispatch:


jobs:
  delete-package-versions:
    name: Delete old nightly docker images
    runs-on: ubuntu-latest
    steps:
      - name: Get list of all docker image versions in registry
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh api --paginate -X GET "/orgs/Kozea/packages/container/Radicale/versions" -F package_type=container -F per_page=200 > data.json
          
      - name: Delete each nightly image older than cutoff date
        run: |
          cutoff_date=$(date --date="30 days ago" --iso-8601)
          echo "Cutoff date is: $cutoff_date"
          
          # Loop through each nightly container version (tag) older than the cutoff date
          for tag in $(jq --arg cutoff_date $cutoff_date -r '.[] | select((.metadata.container.tags | any(. | contains("nightly"))) and (.created_at < $cutoff_date)) | .metadata.container.tags[]' data.json); do
            echo "Tag - $tag"

            # Because of multi-platform, manifest for each tag would contain more than 1 image. Loop through all
            all_digests=$(docker manifest inspect "ghcr.io/kozea/radicale:${tag}" | jq -r 'if .manifests then .manifests[]?.digest else empty end')
            for digest in $all_digests; do
              image_id=$(jq -r --arg digest "$digest" '.[] | select(.name == $digest) | .id' data.json)
              echo "Deleting $image_id"
              gh api -X DELETE "/orgs/Kozea/packages/container/Radicale/versions/$image_id"
            done
          done