package cmd

import (
	"context"
	"fmt"
	"os"
	"text/tabwriter"

	"mydev/internal/checks"

	"github.com/spf13/cobra"
)

var dockerCmd = &cobra.Command{
	Use:   "docker",
	Short: "List docker containers and their status",
	Run: func(cmd *cobra.Command, args []string) {
		list, errMsg := checks.Containers(context.Background())
		if errMsg != "" {
			fmt.Printf("✗ docker error: %s\n", errMsg)
			os.Exit(1)
		}
		if len(list) == 0 {
			fmt.Println("no containers")
			return
		}
		w := tabwriter.NewWriter(os.Stdout, 0, 2, 2, ' ', 0)
		fmt.Fprintln(w, "NAME\tSTATE\tSTATUS\tIMAGE")
		for _, c := range list {
			fmt.Fprintf(w, "%s\t%s\t%s\t%s\n", c.Name, c.State, c.Status, c.Image)
		}
		w.Flush()
	},
}

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