package cmd

import (
	"fmt"

	"github.com/lerko/nib/internal/db"
	"github.com/lerko/nib/internal/display"
	"github.com/spf13/cobra"
)

var demoteCmd = &cobra.Command{
	Use:   "demote <id>",
	Short: "strip card layer, return to fluid",
	Args:  cobra.ExactArgs(1),
	RunE:  runDemote,
}

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

func runDemote(_ *cobra.Command, args []string) error {
	store, err := openStore()
	if err != nil {
		return err
	}
	defer store.Close()

	id, err := store.Resolve(args[0])
	if err != nil {
		return fmt.Errorf("not_found — no entity with id %s", args[0])
	}

	if err := store.Demote(id); err != nil {
		if err == db.ErrAlreadyFluid {
			return fmt.Errorf("invalid_demote — entity %s is already fluid", display.FormatID(id))
		}
		return err
	}

	fmt.Printf("demoted %s → note\n", display.FormatID(id))
	return nil
}