using NUnit.Framework;
using Core.Domain;
using Infrastructure.Unity;

namespace DecayGrid.Tests
{
    public class TileRegistryTests
    {
        private TileRegistry _registry;

        [SetUp]
        public void SetUp() => _registry = new TileRegistry();

        [Test]
        public void Register_AddsToAllTiles()
        {
            var tile = new Tile("0_0_0", 0, 0.5f, 2f);
            _registry.Register(tile);
            Assert.AreEqual(1, _registry.AllTiles.Count);
        }

        [Test]
        public void FindTiles_ReturnsMatchingTiles()
        {
            var tile = new Tile("0_0_0", 0, 0.5f, 2f);
            _registry.Register(tile);
            var result = _registry.FindTiles(t => t.CurrentState == TileState.Stable);
            Assert.AreEqual(1, result.Count);
        }

        [Test]
        public void FindTiles_ExcludesNonMatchingTiles()
        {
            var tile = new Tile("0_0_0", 0, 0.5f, 2f);
            tile.StepOn(); // Now Warning
            _registry.Register(tile);
            var result = _registry.FindTiles(t => t.CurrentState == TileState.Stable);
            Assert.AreEqual(0, result.Count);
        }

        [Test]
        public void TryGetView_ReturnsFalse_WhenNoViewRegistered()
        {
            var tile = new Tile("0_0_0", 0, 0.5f, 2f);
            _registry.Register(tile); // no view
            Assert.IsFalse(_registry.TryGetView("0_0_0", out _));
        }
    }
}