using FluentAssertions;
using Gameboard.ShogiUI.BoardState;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using PathFinding;
using System.Collections.Generic;
using System.Numerics;

namespace Gameboard.ShogiUI.UnitTests.PathFinding
{
  [TestClass]
  public class PathFinder2DShould
  {
    class TestElement : IPlanarElement
    {
      public ICollection<Path> GetPaths() => throw new System.NotImplementedException();
      public bool IsUpsideDown => false;
    }

    [TestMethod]
    public void Maths()
    {
      var finder = new PathFinder2D<TestElement>(new Array2D<TestElement>(5, 5));

      var result = finder.IsPathable(
        new Vector2(2, 2),
        new Vector2(7, 7),
        new Vector2(1, 1)
        );
      result.Should().BeTrue();

      result = finder.IsPathable(
        new Vector2(2, 2),
        new Vector2(7, 7),
        new Vector2(0, 0)
        );
      result.Should().BeFalse();

      result = finder.IsPathable(
        new Vector2(2, 2),
        new Vector2(7, 7),
        new Vector2(-1, 1)
        );
      result.Should().BeFalse();
    }
  }
}