package commands

import (
	"fmt"

	"v.io/v23"
	"v.io/v23/context"
	"v.io/x/lib/cmdline"
	"v.io/x/ref/lib/v23cmd"
)

var Commands = []*cmdline.Command{
	&cmdline.Command{
		Name: "dump",
		Short: "Print a dump of the database",
		Long: `Print a dump of the database.`,
		Runner: v23cmd.RunnerFuncWithInit(DumpDB, InitCtx),
	},
}

var commandCtx *context.T
func SetCtx(ctx *context.T) {
	commandCtx = ctx
}

func InitCtx() (*context.T, v23.Shutdown, error) {
	if commandCtx == nil {
		return v23.TryInit()
	} else {
		return commandCtx, dummyShutdown, nil
	}
}

func dummyShutdown() {}

func GetCommand(name string) (*cmdline.Command, error) {
	for _, cmd := range Commands {
		if cmd.Name == name {
			return cmd, nil
		}
	}

	return nil, fmt.Errorf("no command %q", name)
}