public Puzzle(IList <int> nodeValues, IList <int> expectedValues)
{
if (nodeValues == null)
{
throw new ArgumentNullException(nameof(nodeValues));
}
if (expectedValues == null)
{
throw new ArgumentNullException(nameof(expectedValues));
}
if (nodeValues.Count != expectedValues.Count)
{
throw new ArgumentException(
$"Expected {expectedValues.Count} " +
$"input values for DiamondPuzzle initialization. Actual: {nodeValues.Count}.");
}
MoveList = new List <int>();
Nodes = new PuzzleNodeList();
for (int i = 0; i < nodeValues.Count; i++)
{
Nodes.Add(
new PuzzleNode(nodeValues[i], expectedValues[i]));
}
if (Nodes.Count(node => node.IsEmpty()) != 1)
{
throw new InvalidOperationException(
$"Invalid puzzle configuration: '{Nodes}'. Puzzle must have exactly one open site.");
}
ConnectNodes(Connections, Nodes);
}
private void ConnectNodes(KeyValueList <int, int> connections, PuzzleNodeList nodes)
{
foreach ((int left, int right) in connections)
{
Connect(nodes.GetNodeByExpectedValue(left), nodes.GetNodeByExpectedValue(right));
}
}
