package cli

import (
	"github.com/spf13/cobra"

	"github.com/cosmos/cosmos-sdk/client"
	"github.com/cosmos/cosmos-sdk/client/flags"
	"github.com/cosmos/cosmos-sdk/client/tx"
	sdk "github.com/cosmos/cosmos-sdk/types"
	"github.com/cosmos/cosmos-sdk/x/slashing/types"
)

// NewTxCmd returns a root CLI command handler for all x/slashing transaction commands.
func NewTxCmd(clientCtx client.Context) *cobra.Command {
	slashingTxCmd := &cobra.Command{
		Use:                        types.ModuleName,
		Short:                      "Slashing transaction subcommands",
		DisableFlagParsing:         true,
		SuggestionsMinimumDistance: 2,
		RunE:                       client.ValidateCmd,
	}

	slashingTxCmd.AddCommand(NewUnjailTxCmd(clientCtx))
	return slashingTxCmd
}

func NewUnjailTxCmd(clientCtx client.Context) *cobra.Command {
	cmd := &cobra.Command{
		Use:   "unjail",
		Args:  cobra.NoArgs,
		Short: "unjail validator previously jailed for downtime",
		Long: `unjail a jailed validator:

$ <appcli> tx slashing unjail --from mykey
`,
		RunE: func(cmd *cobra.Command, args []string) error {
			clientCtx := clientCtx.InitWithInput(cmd.InOrStdin())

			valAddr := clientCtx.GetFromAddress()
			msg := types.NewMsgUnjail(sdk.ValAddress(valAddr))
			if err := msg.ValidateBasic(); err != nil {
				return err
			}

			return tx.GenerateOrBroadcastTx(clientCtx, msg)
		},
	}
	return flags.PostCommands(cmd)[0]
}