package netmap

import (
	"encoding/hex"
	"time"

	internalclient "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/client"
	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/commonflags"
	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/key"
	commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
	"github.com/nspcc-dev/neo-go/pkg/config/netmode"
	"github.com/spf13/cobra"
)

var netInfoCmd = &cobra.Command{
	Use:   "netinfo",
	Short: "Get information about FrostFS network",
	Long:  "Get information about FrostFS network",
	Run: func(cmd *cobra.Command, _ []string) {
		p := key.GetOrGenerate(cmd)
		cli := internalclient.GetSDKClientByFlag(cmd, p, commonflags.RPC)

		prm := internalclient.NetworkInfoPrm{
			Client: cli,
		}

		res, err := internalclient.NetworkInfo(cmd.Context(), prm)
		commonCmd.ExitOnErr(cmd, "rpc error: %w", err)

		netInfo := res.NetworkInfo()

		cmd.Printf("Epoch: %d\n", netInfo.CurrentEpoch())

		magic := netInfo.MagicNumber()
		cmd.Printf("Network magic: [%s] %d\n", netmode.Magic(magic), magic)

		cmd.Printf("Time per block: %s\n", time.Duration(netInfo.MsPerBlock())*time.Millisecond)

		const format = "  %s: %v\n"

		cmd.Println("FrostFS network configuration (system)")
		cmd.Printf(format, "Container fee", netInfo.ContainerFee())
		cmd.Printf(format, "Epoch duration", netInfo.EpochDuration())
		cmd.Printf(format, "Inner Ring candidate fee", netInfo.IRCandidateFee())
		cmd.Printf(format, "Maximum object size", netInfo.MaxObjectSize())
		cmd.Printf(format, "Maximum count of data shards", netInfo.MaxECDataCount())
		cmd.Printf(format, "Maximum count of parity shards", netInfo.MaxECParityCount())
		cmd.Printf(format, "Withdrawal fee", netInfo.WithdrawalFee())
		cmd.Printf(format, "Homomorphic hashing disabled", netInfo.HomomorphicHashingDisabled())
		cmd.Printf(format, "Maintenance mode allowed", netInfo.MaintenanceModeAllowed())

		cmd.Println("FrostFS network configuration (other)")
		netInfo.IterateRawNetworkParameters(func(name string, value []byte) {
			cmd.Printf(format, name, hex.EncodeToString(value))
		})
	},
}

func initNetInfoCmd() {
	commonflags.Init(netInfoCmd)
	commonflags.InitAPI(netInfoCmd)
}