public static bool IsSatisfiable(Capability[] required, Capability[] available)
{
if (required.OfType<ProduceCapability>().Any() && !available.OfType<ProduceCapability>().Any())
return false;
if (required.OfType<ConsumeCapability>().Any() && !available.OfType<ConsumeCapability>().Any())
return false;
var requiredAmounts = GroupIngredientAmounts(required);
var availableAmounts = GroupIngredientAmounts(available);
foreach (var pair in requiredAmounts)
{
int value;
if (!availableAmounts.TryGetValue(pair.Key, out value) || value < pair.Value)
return false;
}
return true;
}
private static Dictionary<IngredientType, int> GroupIngredientAmounts(Capability[] capabilities)
{
return capabilities.OfType<Ingredient>()
.GroupBy(ingredient => ingredient.Type, ingredient => (int)ingredient.Amount)
.ToDictionary(group => group.Key, group => group.Sum());
}