package cmd

import (
	"bufio"
	"errors"
	_ "github.com/abelith/spellbook/internal/adapters/json"
	"github.com/spf13/cobra"
	"io"
	"os"
)

func NewImportCmd(app Application) *cobra.Command {
	var format string
	var in string

	cmd := &cobra.Command{
		Use:   "import",
		Short: "Import spellbook",
		Long:  `WIP`,
		RunE: func(cmd *cobra.Command, args []string) (err error) {
			ctx := cmd.Context()

			var r io.Reader = os.Stdin
			if in != "" {
				f, err := os.Open(in)
				if err != nil {
					return err
				}
				defer func() {
					if innerErr := f.Close(); innerErr != nil {
						err = errors.Join(err, innerErr)
					}
				}()
				r = f
			}

			buf := bufio.NewReader(r)
			return app.ImportSpells(ctx, format, buf)
		},
	}

	cmd.Flags().StringVarP(&format, "format", "f", "jsonl", "Input format")
	cmd.Flags().StringVarP(&in, "input", "i", "", "Input")

	return cmd
}