name: clean | Cleanup Old Workflow Runs

on:
  schedule:
    - cron: '0 3 * * 0' # Runs every Sunday at 03:00 UTC
  workflow_dispatch: # Allows manual trigger

jobs:
  cleanup:
    runs-on: ubuntu-latest

    steps:
      - name: Delete old workflow runs
        env:
          GH_PAT: ${{ secrets.GH_PAT }}
          REPO: ${{ github.repository }}
          DAYS: 100  # Adjust the number of days if needed
        run: |
          # Get current timestamp
          NOW=$(date -u +"%Y-%m-%dT%H:%M:%SZ")

          # Fetch all workflow runs
          runs=$(curl -s -H "Authorization: token $GH_PAT" \
                -H "Accept: application/vnd.github.v3+json" \
                "https://api.github.com/repos/$REPO/actions/runs" | jq -c '.workflow_runs[]')

          # Loop through each run
          echo "$runs" | while read -r run; do
            created_at=$(echo "$run" | jq -r '.created_at')
            run_id=$(echo "$run" | jq -r '.id')

            # Convert timestamps to seconds
            created_seconds=$(date -d "$created_at" +%s)
            now_seconds=$(date -d "$NOW" +%s)

            # Calculate age of workflow run
            age_days=$(( (now_seconds - created_seconds) / 86400 ))

            if [ "$age_days" -gt "$DAYS" ]; then
              echo "Deleting workflow run ID: $run_id (Created: $created_at, Age: $age_days days)"
              curl -X DELETE -H "Authorization: token $GH_PAT" \
                   -H "Accept: application/vnd.github.v3+json" \
                   "https://api.github.com/repos/$REPO/actions/runs/$run_id"
            else
              echo "Skipping workflow run ID: $run_id (Created: $created_at, Age: $age_days days)"
            fi
          done