package grpcserver

import (
	"context"

	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"

	pb "git.wntrmute.dev/mc/mcr/gen/mcr/v1"
	"git.wntrmute.dev/mc/mcr/internal/db"
)

// auditService implements pb.AuditServiceServer.
type auditService struct {
	pb.UnimplementedAuditServiceServer
	db *db.DB
}

func (s *auditService) ListAuditEvents(_ context.Context, req *pb.ListAuditEventsRequest) (*pb.ListAuditEventsResponse, error) {
	limit := int32(50)
	offset := int32(0)
	if req.GetPagination() != nil {
		if req.Pagination.Limit > 0 {
			limit = req.Pagination.Limit
		}
		if req.Pagination.Offset >= 0 {
			offset = req.Pagination.Offset
		}
	}

	filter := db.AuditFilter{
		EventType:  req.GetEventType(),
		ActorID:    req.GetActorId(),
		Repository: req.GetRepository(),
		Since:      req.GetSince(),
		Until:      req.GetUntil(),
		Limit:      int(limit),
		Offset:     int(offset),
	}

	events, err := s.db.ListAuditEvents(filter)
	if err != nil {
		return nil, status.Errorf(codes.Internal, "internal error")
	}

	var result []*pb.AuditEvent
	for _, e := range events {
		result = append(result, &pb.AuditEvent{
			Id:         e.ID,
			EventTime:  e.EventTime,
			EventType:  e.EventType,
			ActorId:    e.ActorID,
			Repository: e.Repository,
			Digest:     e.Digest,
			IpAddress:  e.IPAddress,
			Details:    e.Details,
		})
	}

	return &pb.ListAuditEventsResponse{Events: result}, nil
}