private char GetNextRandomCharacter(List <RandomCharacterProvider> providers)
{
RandomCharacterProvider randomProvider = GetRandomProvider(providers);
char result = randomProvider.GetNextRandomChar();
return(result);
}
private RandomCharacterProvider GetRandomProvider(List <RandomCharacterProvider> providers)
{
List <int> providerCharacterCounts = providers.Select(prvd => prvd.Chracters.Length).ToList();
int allChractersCount = providerCharacterCounts.Sum();
int randomChracterIndex = Rand.Next(0, allChractersCount);
int randomProviderIndex = -1;
int charactersCountSum = 0;
do
{
randomProviderIndex++;
charactersCountSum += providerCharacterCounts[randomProviderIndex];
} while (charactersCountSum < randomChracterIndex);
RandomCharacterProvider randomProvider = providers[randomProviderIndex];
return(randomProvider);
}