package cmd

import (
	"fmt"
	"os"

	"mydev/internal/run"

	"github.com/spf13/cobra"
)

// port wraps `lsof -i :<port>` (the shell `portcheck`). No config needed.
var portCmd = &cobra.Command{
	Use:   "port <number>",
	Short: "Show what is listening on a port (lsof -i :PORT)",
	Args:  cobra.ExactArgs(1),
	Run: func(cmd *cobra.Command, args []string) {
		// lsof exits 1 when nothing is on the port — report that plainly.
		if err := run.Stream("", "lsof", "-i", ":"+args[0]); err != nil {
			fmt.Printf("nothing listening on :%s\n", args[0])
			os.Exit(1)
		}
	},
}

func init() {
	rootCmd.AddCommand(portCmd)
}