#include "RaidAq20Actions.h"

#include "Playerbots.h"
#include "RaidAq20Utils.h"


bool Aq20UseCrystalAction::Execute(Event event)
{
    if (Unit* boss = AI_VALUE2(Unit*, "find target", "ossirian the unscarred"))
    {
        if (GameObject* crystal = RaidAq20Utils::GetNearestCrystal(boss))
        {
            float botDist = bot->GetDistance(crystal);
            if (botDist > INTERACTION_DISTANCE)
                return MoveTo(bot->GetMapId(),
                    crystal->GetPositionX() + frand(-3.5f, 3.5f),
                    crystal->GetPositionY() + frand(-3.5f, 3.5f),
                    crystal->GetPositionZ());

            // if we're already in range just wait here until it's time to activate crystal
            SetNextMovementDelay(500);

            // don't activate crystal if boss too far or its already been activated
            if (boss->GetDistance(crystal) > 25.0f ||
                crystal->HasGameObjectFlag(GO_FLAG_IN_USE))
                return false;

            // don't activate crystal if boss doesn't have buff yet AND isn't going to have it soon
            // (though ideally bot should activate it ~5 seconds early due to time it takes for
            // crystal to activate and remove buff)
            if (!RaidAq20Utils::IsOssirianBuffActive(boss) &&
                RaidAq20Utils::GetOssirianDebuffTimeRemaining(boss) > 5000)
                return false;

            // this makes crystal do its animation (then disappear after)
            WorldPacket data1(CMSG_GAMEOBJ_USE);
            data1 << crystal->GetGUID();
            bot->GetSession()->HandleGameObjectUseOpcode(data1);

            // this makes crystal actually remove the buff and put on debuff (took a while to figure that out)
            WorldPacket data2(CMSG_GAMEOBJ_USE);
            data2 << crystal->GetGUID();
            bot->GetSession()->HandleGameobjectReportUse(data2);

            return true;
        }
    }
    return false;
}