package cmd

import (
	"fmt"
	"os"
	"text/tabwriter"
	"xcecli/common/request"
	"xcecli/config"

	"github.com/spf13/cobra"
)

// NewListCmd create the list command
func NewListCmd(configManager *config.ConfigManager) *cobra.Command {
	return &cobra.Command{
		Use:     "list",
		GroupID: "api",
		Short:   "List the API Servers",
		Long:    "List all the configured API Servers and the default API Server",
		RunE: func(cmd *cobra.Command, args []string) error {
			return runList(configManager)

		},
	}
}

func runList(cm *config.ConfigManager) error {
	cfg, err := cm.GetConfig()
	if err != nil {
		errMsg := request.ExtractErrorMessage(err)
		return fmt.Errorf("failed to get the config: [%s]", errMsg)
	}

	// use tabwriter to format the output
	w := tabwriter.NewWriter(os.Stdout, 0, 0, 3, ' ', 0)
	fmt.Fprintln(w, "Default\tVersion\tURL")

	for _, server := range cfg.APIServerInfo {
		isDefault := " "
		if server.Token == "" {
			continue
		}

		fmt.Fprintf(w, "%s\t%s\n",
			isDefault,
			server.URL)
	}

	return w.Flush()
}