using Moq;
using PkmnLib.Dynamic.Models;
using PkmnLib.Dynamic.Models.Choices;

namespace PkmnLib.Tests.Dynamic;

public class ChoiceQueueTests
{
    [Test]
    public async Task ChoiceQueue_MovePokemonChoiceNext()
    {
        var pokemon1 = new Mock<IPokemon>();
        var pokemon2 = new Mock<IPokemon>();
        var pokemon3 = new Mock<IPokemon>();
        var pokemon4 = new Mock<IPokemon>();

        var choice1 = new Mock<ITurnChoice>();
        choice1.Setup(c => c.User).Returns(pokemon1.Object);
        var choice2 = new Mock<ITurnChoice>();
        choice2.Setup(c => c.User).Returns(pokemon2.Object);
        var choice3 = new Mock<ITurnChoice>();
        choice3.Setup(c => c.User).Returns(pokemon3.Object);
        var choice4 = new Mock<ITurnChoice>();
        choice4.Setup(c => c.User).Returns(pokemon4.Object);

        var queue = new BattleChoiceQueue([choice1.Object, choice2.Object, choice3.Object, choice4.Object]);
        var result = queue.MovePokemonChoiceNext(pokemon3.Object);
        await Assert.That(result).IsTrue();
        await Assert.That(queue.Dequeue()).IsEqualTo(choice3.Object);
    }

    [Test]
    public async Task ChoiceQueue_MovePokemonChoiceNextFailsIfAlreadyExecuted()
    {
        var pokemon1 = new Mock<IPokemon>();
        var pokemon2 = new Mock<IPokemon>();
        var pokemon3 = new Mock<IPokemon>();
        var pokemon4 = new Mock<IPokemon>();

        var choice1 = new Mock<ITurnChoice>();
        choice1.Setup(c => c.User).Returns(pokemon1.Object);
        var choice2 = new Mock<ITurnChoice>();
        choice2.Setup(c => c.User).Returns(pokemon2.Object);
        var choice3 = new Mock<ITurnChoice>();
        choice3.Setup(c => c.User).Returns(pokemon3.Object);
        var choice4 = new Mock<ITurnChoice>();
        choice4.Setup(c => c.User).Returns(pokemon4.Object);

        var queue = new BattleChoiceQueue([choice1.Object, choice2.Object, choice3.Object, choice4.Object]);
        queue.Dequeue();
        var result = queue.MovePokemonChoiceNext(pokemon1.Object);
        await Assert.That(result).IsFalse();
        await Assert.That(queue.Dequeue()).IsEqualTo(choice2.Object);
    }

    [Test]
    public async Task ChoiceQueue_MovePokemonChoiceLast()
    {
        var pokemon1 = new Mock<IPokemon>();
        var pokemon2 = new Mock<IPokemon>();
        var pokemon3 = new Mock<IPokemon>();
        var pokemon4 = new Mock<IPokemon>();

        var choice1 = new Mock<ITurnChoice>();
        choice1.Setup(c => c.User).Returns(pokemon1.Object);
        var choice2 = new Mock<ITurnChoice>();
        choice2.Setup(c => c.User).Returns(pokemon2.Object);
        var choice3 = new Mock<ITurnChoice>();
        choice3.Setup(c => c.User).Returns(pokemon3.Object);
        var choice4 = new Mock<ITurnChoice>();
        choice4.Setup(c => c.User).Returns(pokemon4.Object);

        var queue = new BattleChoiceQueue([choice1.Object, choice2.Object, choice3.Object, choice4.Object]);
        var result = queue.MovePokemonChoiceLast(pokemon2.Object);
        await Assert.That(result).IsTrue();
        await Assert.That(queue.Dequeue()).IsEqualTo(choice1.Object);
        await Assert.That(queue.Dequeue()).IsEqualTo(choice3.Object);
        await Assert.That(queue.Dequeue()).IsEqualTo(choice4.Object);
        await Assert.That(queue.Dequeue()).IsEqualTo(choice2.Object);
    }

    [Test]
    public async Task ChoiceQueue_MovePokemonChoiceLastFailsIfAlreadyExecuted()
    {
        var pokemon1 = new Mock<IPokemon>();
        var pokemon2 = new Mock<IPokemon>();
        var pokemon3 = new Mock<IPokemon>();
        var pokemon4 = new Mock<IPokemon>();

        var choice1 = new Mock<ITurnChoice>();
        choice1.Setup(c => c.User).Returns(pokemon1.Object);
        var choice2 = new Mock<ITurnChoice>();
        choice2.Setup(c => c.User).Returns(pokemon2.Object);
        var choice3 = new Mock<ITurnChoice>();
        choice3.Setup(c => c.User).Returns(pokemon3.Object);
        var choice4 = new Mock<ITurnChoice>();
        choice4.Setup(c => c.User).Returns(pokemon4.Object);

        var queue = new BattleChoiceQueue([choice1.Object, choice2.Object, choice3.Object, choice4.Object]);
        queue.Dequeue();
        var result = queue.MovePokemonChoiceLast(pokemon1.Object);
        await Assert.That(result).IsFalse();
        await Assert.That(queue.Dequeue()).IsEqualTo(choice2.Object);
        await Assert.That(queue.Dequeue()).IsEqualTo(choice3.Object);
        await Assert.That(queue.Dequeue()).IsEqualTo(choice4.Object);
    }
}