namespace Gen7 {
    [Ability effect=Anticipation]
    class Anticipation : PkmnScript {
        void OnSwitchIn(Pokemon@ pokemon){
            if (DoesOpponentHaveSuperEffectiveMove(pokemon.Battle, pokemon)){
                // TODO: Shudder
            }
        }

        bool DoesOpponentHaveSuperEffectiveMove(Battle@ battle, Pokemon@ pokemon){
            bool hasSuperEffectiveMove = false;
            auto typeLib = battle.Library.StaticLibrary.TypeLibrary;
            for (uint64 i = 0; i < battle.Sides.Length; i++){
                if (hasSuperEffectiveMove){
                    break;
                }
                auto side = battle.Sides[i];
                if (side is pokemon.BattleSide){
                    continue;
                }
                for (uint64 j = 0; j < side.Pokemon.Length; j++){
                    if (hasSuperEffectiveMove){
                        break;
                    }
                    auto opponent = side.Pokemon[j];
                    if (opponent is null){
                        continue;
                    }
                    if (opponent.IsFainted){
                        continue;
                    }
                    for (uint64 k = 0; k < opponent.Moves.Length; k++){
                        if (hasSuperEffectiveMove){
                            break;
                        }
                        auto move = opponent.Moves[k];
                        if (move is null){
                            continue;
                        }
                        if (typeLib.GetEffectiveness(move.MoveData.Type, pokemon) > 1){
                            hasSuperEffectiveMove = true;
                            break;
                        }
                    }
                }
            }

            return hasSuperEffectiveMove;
        }
    }
}