namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;

/// <summary>
/// Contrary is an ability that inverts all stat changes for the Pokémon.
/// When a stat would normally be raised, it is lowered instead, and vice versa.
/// This applies to both self-inflicted stat changes and those caused by other Pokémon.
/// 
/// <see href="https://bulbapedia.bulbagarden.net/wiki/Contrary_(Ability)">Bulbapedia - Contrary</see>
/// </summary>
[Script(ScriptCategory.Ability, "contrary")]
public class Contrary : Script, IScriptChangeStatBoostChange
{
    /// <inheritdoc />
    public void ChangeStatBoostChange(IPokemon target, Statistic stat, bool selfInflicted, ref sbyte amount)
    {
        // Invert the stat change
        amount = (sbyte)-amount;
        target.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(target));
    }
}