package mock

import (
	"context"
	"fmt"

	"tera-clone/services/tera-api/internal/domain"
	"tera-clone/services/tera-api/internal/logservice"
)

func (s *Store) ClearLinkLogs(ctx context.Context) (domain.LinkLogClearResult, error) {
	s.mu.Lock()
	defer s.mu.Unlock()
	deleted := 0
	if s.logJournal != nil {
		cleaner, ok := s.logJournal.(logservice.LinkLogCleaner)
		if !ok {
			return domain.LinkLogClearResult{}, fmt.Errorf("link log clearing is not supported by this journal")
		}
		count, err := cleaner.ClearLink()
		if err != nil {
			return domain.LinkLogClearResult{}, err
		}
		deleted = count
		if err := s.refreshLinkJournalLocked(); err != nil {
			return domain.LinkLogClearResult{}, err
		}
	} else {
		before, loaded := s.linkLogEvents, s.linkLogLoaded
		deleted = len(before)
		s.linkLogEvents, s.linkLogLoaded = []domain.LinkLogEvent{}, true
		if err := s.persistLinkLogStoreLocked(); err != nil {
			s.linkLogEvents, s.linkLogLoaded = before, loaded
			return domain.LinkLogClearResult{}, err
		}

	}
	id := s.recordAuditLocked(ctx, "log.link.clear", "link", "succeeded", fmt.Sprintf("cleared %d link-state events; system, audit and port logs preserved", deleted))
	return domain.LinkLogClearResult{Deleted: deleted, AuditID: id}, nil
}