public PegPattern GetRandomPattern(IPegCollectionOptions options)
{
var sourcePegs = GetPegs();
var patternPegs = new List <int>();
var random = new Random();
for (int i = 0; i < options.Size; i++)
{
var index = random.Next(sourcePegs.Count);
var peg = sourcePegs[index];
if (!options.AllowDuplicates)
{
sourcePegs.RemoveAt(index);
}
patternPegs.Add(peg);
}
return(new PegPattern(this, patternPegs));
}
public LinkedList <PegPattern> GetAllPatterns(IPegCollectionOptions options)
{
if (options.Size < 1)
{
throw new ArgumentOutOfRangeException(nameof(options.Size));
}
var palette = new Palette(PegCount);
var paletteSet = ToSet();
var patternQuery = paletteSet.Select(x => new[] { x });
for (int i = 1; i < options.Size; i++)
{
patternQuery = patternQuery.SelectMany(_ => paletteSet, (pq, p) => pq.Append(p).ToArray());
}
return(new LinkedList <PegPattern>(patternQuery
.Where(x => options.AllowDuplicates || x.Length == x.Distinct().Count())
.Select(x => new PegPattern(palette, x))
.ToList()));
}
public static PegPattern PromptPegPattern(string question, IPegCollectionOptions options)
{
var pegs = Shell.Prompt(question, null, null, line =>
{
if (string.IsNullOrWhiteSpace(line))
{
return(null);
}
return(Regex
.Split(line, @"\s+")
.Where(x => !string.IsNullOrWhiteSpace(x))
.Select(x => int.Parse(x))
.ToArray());
}, value => value != null &&
value.Length == options.Size &&
value.All(options.Palette.Contains) &&
(options.AllowDuplicates || value.Length == value.Distinct().Count())
);
return(new PegPattern(options.Palette, pegs));
}
