#include "aiactivate.hpp"

#include "../mwbase/world.hpp"
#include "../mwbase/environment.hpp"

#include "../mwworld/class.hpp"
#include "../mwworld/action.hpp"
#include "../mwworld/cellstore.hpp"

#include "steering.hpp"
#include "movement.hpp"

MWMechanics::AiActivate::AiActivate(const std::string &objectId)
    : mObjectId(objectId)
{
}
MWMechanics::AiActivate *MWMechanics::AiActivate::clone() const
{
    return new AiActivate(*this);
}
bool MWMechanics::AiActivate::execute (const MWWorld::Ptr& actor,float duration)
{
    ESM::Position pos = actor.getRefData().getPosition(); //position of the actor
    const MWWorld::Ptr target = MWBase::Environment::get().getWorld()->searchPtr(mObjectId, false); //The target to follow

    if(target == MWWorld::Ptr())
        return true;   //Target doesn't exist

    //Set the target desition from the actor
    ESM::Pathgrid::Point dest = target.getRefData().getPosition().pos;

    if(distance(dest, pos.pos[0], pos.pos[1], pos.pos[2]) < 200 || mPathFinder.checkPathCompleted(pos.pos[0], pos.pos[1], pos.pos[2])) { //Stop when you get close
        actor.getClass().getMovementSettings(actor).mPosition[1] = 0;
        MWWorld::Ptr target = MWBase::Environment::get().getWorld()->getPtr(mObjectId,false);
        MWWorld::Class::get(target).activate(target,actor).get()->execute(actor); //Arrest player
        return true;
    }
    else {
        pathTo(actor, dest, duration); //Go to the destination
        actor.getClass().getMovementSettings(actor).mPosition[1] = 1;
    }

    return false;
}

int MWMechanics::AiActivate::getTypeId() const
{
    return TypeIdActivate;
}