using Domain;
using NUnit.Framework;

namespace Tests {
	public class ModelTests {
		[Test]
		public void NoPress_NoAnimation() {
			Model sut = new(20, 5);

			Assert.IsFalse(sut.NeedsToAnimate);
		}

		[Test]
		public void NotEnoughPresses_NoAnimation() {
			Model sut = new(20, 5);

			sut.AddScore();

			Assert.IsFalse(sut.NeedsToAnimate);
		}


		[Test]
		public void EnoughPresses_Animation() {
			Model sut = new(20, 5);

			for (int i = 0; i < 5; i++)
				sut.AddScore();

			Assert.IsTrue(sut.NeedsToAnimate);
		}

		[Test]
		public void NoPress_NoSpawn() {
			Model sut = new(20, 5);

			Assert.IsFalse(sut.NeedsToSpawn);
		}

		[Test]
		public void NotEnoughPresses_NoSpawn() {
			Model sut = new(20, 5);

			sut.AddScore();

			Assert.IsFalse(sut.NeedsToSpawn);
		}

		[Test]
		public void EnoughPresses_Spawn() {
			Model sut = new(20, 5);

			for (int i = 0; i < 20 * 5; i++) {
				sut.AddScore();
			}

			Assert.IsTrue(sut.NeedsToSpawn);
		}

		[Test]
		public void OneIteration_UpdatesGrowPercentage() {
			Model sut = new(5, 5);

			for (int i = 0; i < 5; i++) {
				sut.AddScore();
			}

			Assert.AreEqual(1f / 5f, sut.GrowPercentage);
		}

		[Test]
		public void AllIterations_GrowCompleted() {
			Model sut = new(5, 5);

			for (int i = 0; i < 5 * 5; i++) {
				sut.AddScore();
			}

			Assert.AreEqual(1f, sut.GrowPercentage);
		}

		[Test]
		public void MoreIterations_ResetsGrowPercentage() {
			Model sut = new(5, 5);

			for (int i = 0; i < 6 * 5; i++) {
				sut.AddScore();
			}

			Assert.AreEqual(1f / 5f, sut.GrowPercentage);
		}
	}
}