package localapi

import "context"

// R-1006: the half-written vzdump cleanup's two needs from the Server, and its start-up sweep. The cleaner itself is
// internal/vzpartial; the root helper is configs/felhom-vzdump-partial-clean.

// VzdumpInFlight is the one in-flight answer (staleLockController.BackupRunning, R-1008) for the cleanup. No stale-lock
// controller wired → true: fail safe, nothing is removed.
func (s *Server) VzdumpInFlight(ctx context.Context, vmid int) (bool, error) {
	if s.staleLock == nil {
		return true, nil
	}
	return s.staleLock.BackupRunning(ctx, vmid)
}

// SetPartialSweep sets the start-up sweep: called with every owned guest (the felhom pool, ownership proven).
func (s *Server) SetPartialSweep(fn func(ctx context.Context, vmid int)) { s.partialSweep = fn }

// SweepVzdumpPartials runs the sweep once for every owned guest. No-op when unwired.
func (s *Server) SweepVzdumpPartials(ctx context.Context) {
	if s.partialSweep == nil || s.staleLock == nil {
		return
	}
	guests, err := s.staleLock.Guests(ctx)
	if err != nil {
		s.logger.Warn("vzdump-partial: guest list unavailable — skipping the start-up sweep", "err", err)
		return
	}
	for _, g := range guests {
		s.partialSweep(ctx, g.VMID)
	}
}