using BenchmarkDotNet.Attributes;

namespace Recyclable.Collections.Benchmarks
{
	public partial class RecyclableCollectionsBenchmarks : BenchmarkBase
	{
		private RecyclableArrayList<object> _testRecyclableArrayList;

		[GlobalSetup]
		public void Setup()
		{
			Console.WriteLine("******* GLOBAL SETUP RAISED *******");
			_testObjects = Enumerable.Range(1, TestObjectCount).Select(x => new object()).ToArray();
			_testRecyclableArrayList = new(TestObjects, TestObjectCount);
			_testRecyclableList = new(TestObjects, TestObjectCount);
			_testArray = TestObjects.ToArray();
			_testObjectsAsList = TestObjects.ToList();
			_testObjectsAsRecyclableArrayList = TestObjects.ToRecyclableArrayList();
		}


		[GlobalCleanup]
		public void Cleanup()
		{
			Console.WriteLine("******* GLOBAL CLEANUP *******");
			_testRecyclableArrayList?.Dispose();
			_testRecyclableList?.Dispose();
			TestObjectsAsRecyclableArrayList?.Dispose();
			_testObjectsAsRecyclableArrayList = default;
			_testObjectsAsList = default;
			_testObjects = default;
		}

		[Benchmark]
		public void RecyclableArrayList_Create()
		{
			using var list = new RecyclableArrayList<object>();
			DoNothing(list);
		}

		[Benchmark]
		public void RecyclableArrayList_Create_WithCapacity()
		{
			using var list = new RecyclableArrayList<object>(TestObjectCount);
			DoNothing(list);
		}

		[Benchmark]
		public void RecyclableArrayList_Add()
		{
			var data = TestObjects;
			var dataCount = TestObjectCount;
			using var list = new RecyclableArrayList<object>();
			for (var i = 0; i < dataCount; i++)
			{
				list.Add(data[i]);
			}
		}

		[Benchmark]
		public void RecyclableArrayList_Add_WithCapacity()
		{
			var data = TestObjects;
			var dataCount = TestObjectCount;
			using var list = new RecyclableArrayList<object>(dataCount);
			for (var i = 0; i < dataCount; i++)
			{
				list.Add(data[i]);
			}
		}

		//[Benchmark]
		public void RecyclableArrayList_AddRangeWhenSourceIsArray()
		{
			var data = TestObjects;
			using var list = new RecyclableArrayList<object>();
			list.AddRange(data);
		}

		//[Benchmark]
		public void RecyclableArrayList_AddRangeWhenSourceIsList()
		{
			var data = TestObjectsAsList;
			using var list = new RecyclableArrayList<object>();
			list.AddRange(data);
		}

		//[Benchmark]
		public void RecyclableArrayList_AddRangeWhenSourceIsIList()
		{
			var data = (IList<object>)TestObjectsAsList;
			using var list = new RecyclableArrayList<object>();
			list.AddRange(data);
		}

		//[Benchmark]
		public void RecyclableArrayList_AddRangeWhenSourceIsIEnumerable()
		{
			var data = TestObjectsAsIEnumerable;
			using var list = new RecyclableArrayList<object>();
			list.AddRange(data);
		}

		//[Benchmark]
		public void RecyclableArrayList_AddRangeWhenSourceIsRecyclableArrayList()
		{
			var data = TestObjectsAsRecyclableArrayList;
			using var list = new RecyclableArrayList<object>();
			list.AddRange(data);
		}

		//[Benchmark]
		public void RecyclableArrayList_AddRange_WithCapacity()
		{
			var data = TestObjects;
			var dataCount = TestObjectCount;
			using var list = new RecyclableArrayList<object>(dataCount);
			list.AddRange(data);
		}

		//[Benchmark]
		public void RecyclableArrayList_SetItem()
		{
			var data = TestObjectsAsRecyclableArrayList;
			var dataCount = TestObjectCount;
			for (var i = 0; i < dataCount; i++)
			{
				data[i] = TestObjects[i];
			}
		}

		//[Benchmark]
		public void RecyclableArrayList_GetItem()
		{
			var data = TestObjectsAsRecyclableArrayList;
			var dataCount = TestObjectCount;
			for (var i = 0; i < dataCount; i++)
			{
				DoNothing(data[i]);
			}
		}

		//[Benchmark]
		public void RecyclableArrayList_Count()
		{
			var data = TestObjectsAsRecyclableArrayList;
			DoNothing(data.Count);
		}
	}
}