package utils

import (
	"github.com/dustinpianalto/errors"
	"github.com/dustinpianalto/quartermaster"
)

func UnitFromString(s string) (quartermaster.Unit, error) {
	switch s {
	case "Teaspoon":
		return 0, nil
	case "Tablespoon":
		return 1, nil
	case "Cup":
		return 2, nil
	case "Ounce":
		return 3, nil
	case "Gram":
		return 4, nil
	case "Pound":
		return 5, nil
	case "Individual":
		return 6, nil
	default:
		return -1, errors.E(errors.Method("utils/UnitFromString"), errors.Malformed, "not a valid unit")
	}
}