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package client
import (
"bufio"
"os"
"github.com/pkg/errors"
)
// getValidInput returns the selected menu command as a string or an error
func (s *State) getValidInput() (string, error) {
menu := s.config.Menus[s.currentMenu]
reader := bufio.NewReader(os.Stdin)
for {
input, err := reader.ReadByte()
if err != nil {
return "", errors.Wrapf(err, "Could not read byte from stdin")
}
for _, menuEntry := range menu.MenuEntries {
if []byte(menuEntry.Key)[0] == input {
return menuEntry.Action, nil
}
}
}
}
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