package entries

import (
	"encoding/csv"
	"io"
)

// WriteBitwardenCSV writes Bitwarden's native CSV interchange format.
// CSV is intentionally offered alongside JSON because Bitwarden routes the two
// formats through different importers.
func WriteBitwardenCSV(w io.Writer, secrets []Secret) error {
	csvWriter := csv.NewWriter(w)

	if err := csvWriter.Write([]string{
		"folder",
		"favorite",
		"type",
		"name",
		"notes",
		"fields",
		"reprompt",
		"login_uri",
		"login_username",
		"login_password",
		"login_totp",
	}); err != nil {
		return err
	}

	for _, secret := range secrets {
		if err := csvWriter.Write([]string{
			"",
			"0",
			"login",
			secret.Description,
			secret.Notes,
			"",
			"0",
			secret.URL,
			secret.Username,
			secret.Password,
			"",
		}); err != nil {
			return err
		}
	}

	csvWriter.Flush()
	return csvWriter.Error()
}