/*
 * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license, you may redistribute it and/or modify it under version 2 of the License, or (at your option), any later version.
 */

#include "ChooseTargetActions.h"
#include "ChooseRpgTargetAction.h"
#include "Event.h"
#include "LootObjectStack.h"
#include "PossibleRpgTargetsValue.h"
#include "Playerbots.h"
#include "ServerFacade.h"

bool AttackEnemyPlayerAction::isUseful()
{
    // if carry flag, do not start fight
    if (bot->HasAura(23333) || bot->HasAura(23335) || bot->HasAura(34976))
        return false;

    return !sPlayerbotAIConfig->IsInPvpProhibitedZone(bot->GetZoneId());
}

bool AttackEnemyFlagCarrierAction::isUseful()
{
    Unit* target = context->GetValue<Unit*>("enemy flag carrier")->Get();
    return target && sServerFacade->IsDistanceLessOrEqualThan(sServerFacade->GetDistance2d(bot, target), 75.0f) && (bot->HasAura(23333) || bot->HasAura(23335) || bot->HasAura(34976));
}

bool AttackAnythingAction::isUseful()
{
    if (!botAI->AllowActivity(GRIND_ACTIVITY))                                              //Bot not allowed to be active
        return false;

    if (!AI_VALUE(bool, "can move around"))
        return false;

    if (context->GetValue<TravelTarget*>("travel target")->Get()->isTraveling() && 
        ChooseRpgTargetAction::isFollowValid(bot, *context->GetValue<TravelTarget*>("travel target")->Get()->getPosition())) //Bot is traveling
        return false;
    // if (bot->IsInCombat()) {
    //     return false;
    // }
    Unit* target = GetTarget();

    if (!target)
        return false;

    std::string const name = std::string(target->GetName());
    if (!name.empty() && name.find("Dummy") != std::string::npos) // Target is not a targetdummy
        return false;

    if (!ChooseRpgTargetAction::isFollowValid(bot, target))                               //Do not grind mobs far away from master.
        return false;

    return true;
}

bool DropTargetAction::Execute(Event event)
{
    Unit* target = context->GetValue<Unit*>("current target")->Get();
    if (target && target->isDead())
    {
        ObjectGuid guid = target->GetGUID();
        if (guid)
            context->GetValue<LootObjectStack*>("available loot")->Get()->Add(guid);
    }

    // ObjectGuid pullTarget = context->GetValue<ObjectGuid>("pull target")->Get();
    // GuidVector possible = botAI->GetAiObjectContext()->GetValue<GuidVector>("possible targets no los")->Get();

    // if (pullTarget && find(possible.begin(), possible.end(), pullTarget) == possible.end())
    // {
    //     context->GetValue<ObjectGuid>("pull target")->Set(ObjectGuid::Empty);
    // }

    context->GetValue<Unit*>("current target")->Set(nullptr);

    bot->SetTarget(ObjectGuid::Empty);
    bot->SetSelection(ObjectGuid());
    botAI->ChangeEngine(BOT_STATE_NON_COMBAT);
    botAI->InterruptSpell();
    bot->AttackStop();

    // if (Pet* pet = bot->GetPet())
    // {
    //     if (CreatureAI* creatureAI = ((Creature*)pet)->AI())
    //     {
    //         pet->SetReactState(REACT_PASSIVE);
    //         pet->GetCharmInfo()->SetCommandState(COMMAND_FOLLOW);
    //         pet->GetCharmInfo()->SetIsCommandFollow(true);
    //         pet->AttackStop();
    //         pet->GetCharmInfo()->IsReturning();
    //         pet->GetMotionMaster()->MoveFollow(bot, PET_FOLLOW_DIST, pet->GetFollowAngle());
    //     }
    // }

    return true;
}

bool AttackAnythingAction::Execute(Event event)
{
    bool result = AttackAction::Execute(event);
    if (result)
    {
        if (Unit* grindTarget = GetTarget())
        {
            if (char const* grindName = grindTarget->GetName().c_str())
            {
                context->GetValue<ObjectGuid>("pull target")->Set(grindTarget->GetGUID());
                bot->GetMotionMaster()->Clear();
                // bot->StopMoving();
            }
        }
    }

    return result;
}

bool AttackAnythingAction::isPossible()
{
    return AttackAction::isPossible() && GetTarget();
}

bool DpsAssistAction::isUseful()
{
    // if carry flag, do not start fight
    if (bot->HasAura(23333) || bot->HasAura(23335) || bot->HasAura(34976))
        return false;

    return true;
}