using PkmnLib.Dynamic.Models;
using PkmnLib.Plugin.Gen7.Scripts.Moves;

namespace PkmnLib.Plugin.Gen7.Tests.Scripts.Moves;

/// <summary>
/// Tests for the <see cref="GastroAcid"/> move script.
/// Gen VII Bulbapedia behavior: "Gastro Acid suppresses the target's Ability while it remains in battle."
/// </summary>
/// <remarks>
/// Bulbapedia also lists Abilities the move fails against (Multitype, Stance Change, ...); that check is
/// implemented engine-side through <see cref="PkmnLib.Static.Species.IAbility.CanBeChanged"/> inside
/// <see cref="IPokemon.SuppressAbility"/>, so it is not the responsibility of this script.
/// </remarks>
public class GastroAcidTests
{
    /// <summary>
    /// Bulbapedia: "Gastro Acid suppresses the target's Ability while it remains in battle."
    /// The script requests the suppression on the target.
    /// </summary>
    [Test]
    public async Task OnSecondaryEffect_Always_SuppressesTargetAbility()
    {
        // Arrange
        var script = new GastroAcid();
        var move = Substitute.For<IExecutingMove>();
        var target = Substitute.For<IPokemon>();

        // Act
        script.OnSecondaryEffect(move, target, 0);

        // Assert
        target.Received(1).SuppressAbility();
        await Assert.That(target.ReceivedCalls().Any(c => c.GetMethodInfo().Name == "SuppressAbility")).IsTrue();
    }

    /// <summary>
    /// Bulbapedia: the suppression applies to "the target's Ability" — the user's own Ability is left
    /// untouched.
    /// </summary>
    [Test]
    public async Task OnSecondaryEffect_Always_DoesNotSuppressUserAbility()
    {
        // Arrange
        var script = new GastroAcid();
        var move = Substitute.For<IExecutingMove>();
        var user = Substitute.For<IPokemon>();
        move.User.Returns(user);
        var target = Substitute.For<IPokemon>();

        // Act
        script.OnSecondaryEffect(move, target, 0);

        // Assert
        await Assert.That(user.ReceivedCalls().Any(c => c.GetMethodInfo().Name == "SuppressAbility")).IsFalse();
    }
}