package config

func Get(flag string) string {
	if configPB == nil {
		return ""
	}
	found := configPB.FindByKey(flag)
	if found == nil {
		return ""
	}
	return found.Value
}

func GetPanic(flag string) string {
	if configPB == nil {
		configPanic(flag)
	}
	found := configPB.FindByKey(flag)
	if found == nil {
		configPanic(flag)
	}
	return found.Value
}

func configPanic(varname string) {
	if configPB == nil {
		panic("config file is nil")
	}
	panic("config name '" + varname + "' not found")
}

func Set(key string, newValue string) error {
	if configPB == nil {
		return NotInitialized
	}
	found := configPB.FindByKey(key)
	if found != nil {
		found.Value = newValue
	}

	newvar := new(Config)
	newvar.Key = key
	newvar.Value = newValue
	configPB.Append(newvar)
	return nil
}