Guile

/// Bandit's Guile - 84654
class spell_rog_bandits_guile : public SpellScriptLoader
{
public:
    spell_rog_bandits_guile() : SpellScriptLoader("spell_rog_bandits_guile") { }

    class spell_rog_bandits_guile_SpellScript : public SpellScript
    {
        PrepareSpellScript(spell_rog_bandits_guile_SpellScript);

        void HandleOnHit()
        {
            if (Player* _player = GetCaster()->ToPlayer())
            {
                if (Unit* target = GetHitUnit())
                {
                    _player->insightCount++;

                    // it takes a total of 4 strikes to get a proc, or a level up
                    if (_player->insightCount >= 4)
                    {
                        _player->insightCount = 0;

                        // it takes 4 strikes to get Shallow insight
                        // than 4 strikes to get Moderate insight
                        // and than 4 strikes to get Deep Insight

                        // Shallow Insight
                        if (_player->HasAura(84745))
                        {
                            _player->RemoveAura(84745);
                            _player->AddAura(84746, _player); // Moderate Insight
                        }
                        else if (_player->HasAura(84746))
                        {
                            _player->RemoveAura(84746);
                            _player->AddAura(84747, _player); // Deep Insight
                        }
                        // the cycle will begin
                        else if (!_player->HasAura(84747))
                            _player->AddAura(84745, _player); // Shallow Insight
                    }
                    else
                    {
                        // Each strike refreshes the duration of shallow insight or Moderate insight
                        // but you can't refresh Deep Insight without starting from shallow insight.
                        // Shallow Insight
                        if (AuraPtr shallowInsight = _player->GetAura(84745))
                            shallowInsight->RefreshDuration();
                        // Moderate Insight
                        else if (AuraPtr moderateInsight = _player->GetAura(84746))
                            moderateInsight->RefreshDuration();
                    }
                }
            }
        }
        void Register()
        {
            OnHit += SpellHitFn(spell_rog_bandits_guile_SpellScript::HandleOnHit);
        }
    };
    SpellScript* GetSpellScript() const
    {
        return new spell_rog_bandits_guile_SpellScript();
    }
};