package SystemInfo

import (
	pb "AudioPlayer/gRPC_Model"
	"context"
	"os/exec"
	"strings"
	"time"
)

type TimeGRpcServer struct {
	pb.UnimplementedTimeServer
}

func (s *TimeGRpcServer) GetTime(ctx context.Context, in *pb.Empty) (*pb.Timestamp, error) {
	now := time.Now()
	return &pb.Timestamp{
		Seconds: now.Unix(),
	}, nil
}

func (s *TimeGRpcServer) SetTime(ctx context.Context, ts *pb.Timestamp) (*pb.Empty, error) {

	t := time.Unix(ts.Seconds, 0).Format(time.DateTime)
	_, err := exec.Command("timedatectl", "set-time", t).Output()
	if err != nil {
		return &pb.Empty{}, err
	}
	return &pb.Empty{}, nil
}

func Bool2String(b bool) string {
	if b {
		return "true"
	}
	return "false"
}

func (s *TimeGRpcServer) AutoSet(ctx context.Context, ts *pb.StateSwitch) (*pb.Empty, error) {
	_, err := exec.CommandContext(ctx, "timedatectl", "set-ntp", Bool2String(ts.State)).Output()
	if err != nil {
		return nil, err
	}

	return &pb.Empty{}, nil
}

func (s *TimeGRpcServer) AutoSetState(ctx context.Context, ts *pb.Empty) (*pb.StateSwitch, error) {
	out, err := exec.CommandContext(ctx, "timedatectl", "status").Output()
	return &pb.StateSwitch{State: strings.Contains(string(out), "NTP service: active")}, err
}