/// <summary>
/// Explicitly checking for wagon space by users own animal list, ignoring the meateaters and vegans rule.
/// </summary>
/// <returns></returns>
public bool CheckWagonSpace(List <Animal> animals)
{
bool returnValue = true;
Bandwagon bandwagon = new Bandwagon(animals);
foreach (var t in bandwagon.animals)
{
bandwagon.bandWagonSpace += t.Size;
}
if (bandwagon.bandWagonSpace > 10)
{
returnValue = false;
}
return(returnValue);
}
/// <summary>
/// Explcitly checking for meateaters and vegans rule, ignores space rule. Using users animal list
/// </summary>
/// <param name="animals"></param>
/// <returns></returns>
public bool IsWagonCompatibleWithMeatEaters(List <Animal> animals)
{
bool returnValue = true;
Bandwagon bandwagon = new Bandwagon(animals);
Animal meatEater = bandwagon.animals.FirstOrDefault(x => x.IsMeatLover);
if (meatEater != null)
{
foreach (Animal bandwagonAnimal in bandwagon.animals.ToList().FindAll(x => x != meatEater))
{
if (bandwagonAnimal.Size <= meatEater.Size)
{
returnValue = false;
}
}
}
return(returnValue);
}
/// <summary>
/// User can enter his own set of animals to sort in wagons.
/// </summary>
/// <param name="_AvailableAnimals"></param>
/// <returns></returns>
public IList <Bandwagon> SortAnimalsInWagons(List <Animal> _AvailableAnimals)
{
IList <Bandwagon> OrderWagons = new List <Bandwagon>();
IList <Animal> meatEaters = _AvailableAnimals.FindAll(x => x.IsMeatLover).OrderByDescending(x => x.Size).ToList();
IList <Animal> vegans = _AvailableAnimals.FindAll(x => !x.IsMeatLover).OrderByDescending(x => x.Size).ToList();
while (_AvailableAnimals.Count > 0)
{
Bandwagon newBandwagon = new Bandwagon(new List <Animal>());
Animal meatEaterSelected = new Animal();
if (meatEaters.Count > 0)
{
meatEaterSelected = meatEaters.First();
newBandwagon.animals.Add(meatEaterSelected);
newBandwagon.bandWagonSpace += meatEaterSelected.Size;
meatEaters.Remove(meatEaterSelected);
}
foreach (Animal vegan in vegans)
{
if (meatEaterSelected.Size < vegan.Size)
{
if (vegan.Size + newBandwagon.bandWagonSpace <= 10)
{
newBandwagon.animals.Add(vegan);
newBandwagon.bandWagonSpace += vegan.Size;
}
}
}
OrderWagons.Add(newBandwagon);
foreach (Animal newBandwagonAnimal in newBandwagon.animals)
{
_AvailableAnimals.RemoveAt(_AvailableAnimals.IndexOf(newBandwagonAnimal));
vegans.Remove(newBandwagonAnimal);
}
}
return(OrderWagons);
}