name: Cleanup old package versions

on:
  workflow_dispatch:
    inputs:
      keep:
        description: "Number of most-recent versions to keep"
        required: false
        default: "5"

jobs:
  cleanup:
    runs-on: ubuntu-latest
    steps:
      - name: Delete old scopone-android package versions
        env:
          TOKEN: ${{ secrets.PACKAGE_TOKEN }}
          KEEP: ${{ github.event.inputs.keep || '5' }}
        run: |
          set -euo pipefail
          BASE="https://git.sal.giize.com/api/v1/packages/mozempk"

          # Fetch all generic package versions for scopone-android (paginate)
          ALL_VERSIONS=()
          page=1
          while true; do
            BATCH=$(curl -sf "$BASE?type=generic&q=scopone-android&limit=50&page=$page" \
              -H "Authorization: token $TOKEN")
            COUNT=$(echo "$BATCH" | python3 -c "import sys,json; data=json.load(sys.stdin); print(len(data) if isinstance(data,list) else 0)")
            if [[ "$COUNT" -eq 0 ]]; then break; fi

            # Collect package IDs sorted by version number (numeric desc)
            IDS=$(echo "$BATCH" | python3 -c "
          import sys,json
          pkgs=json.load(sys.stdin)
          # id, version fields
          for p in pkgs:
              print(p['id'], p.get('version','0'))
          ")
            while IFS=' ' read -r pid ver; do
              ALL_VERSIONS+=("$pid $ver")
            done <<< "$IDS"

            page=$((page + 1))
          done

          TOTAL=${#ALL_VERSIONS[@]}
          echo "Total versions found: $TOTAL"
          if [[ $TOTAL -le $KEEP ]]; then
            echo "Nothing to delete (total=$TOTAL <= keep=$KEEP)."
            exit 0
          fi

          # Sort by version number numerically descending, keep first $KEEP
          SORTED=$(printf '%s\n' "${ALL_VERSIONS[@]}" | sort -t' ' -k2 -Vr)
          TO_DELETE=$(echo "$SORTED" | tail -n +"$((KEEP + 1))" | awk '{print $1}')
          DELETE_COUNT=$(echo "$TO_DELETE" | wc -l)
          echo "Deleting $DELETE_COUNT versions (keeping $KEEP most recent)…"

          while IFS= read -r pid; do
            HTTP=$(curl -sf -o /dev/null -w "%{http_code}" \
              -X DELETE "$BASE/$pid" \
              -H "Authorization: token $TOKEN")
            echo "  deleted package id=$pid → HTTP $HTTP"
          done <<< "$TO_DELETE"
          echo "Done."