content: /*
  	This file is part of the OdinMS Maple Story Server
      Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc>
  		       Matthias Butz <matze@odinms.de>
  		       Jan Christian Meyer <vimes@odinms.de>
  
      Copyleft (L) 2016 - 2019 RonanLana (HeavenMS)
  
      This program is free software: you can redistribute it and/or modify
      it under the terms of the GNU Affero General Public License as
      published by the Free Software Foundation version 3 as published by
      the Free Software Foundation. You may not use, modify or distribute
      this program under any other version of the GNU Affero General Public
      License.
      This program is distributed in the hope that it will be useful,
      but WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      GNU Affero General Public License for more details.
      You should have received a copy of the GNU Affero General Public License
      along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
  package client.processor.action;
  
  import client.MapleCharacter;
  import client.MapleClient;
  import client.inventory.Item;
  import client.inventory.MapleInventory;
  import client.inventory.MapleInventoryType;
  import client.inventory.manipulator.MapleInventoryManipulator;
  import config.YamlConfig;
  import java.util.List;
  import server.MapleItemInformationProvider;
  import server.MapleStatEffect;
  import tools.MaplePacketCreator;
  
  /**
   *
   * @author Ronan - multi-pot consumption feature
   */
  public class PetAutopotProcessor {
      
      private static class AutopotAction {
          
          private MapleClient c;
          private short slot;
          private int itemId;
          
          private Item toUse;
          private List<Item> toUseList;
  
          private boolean hasHpGain, hasMpGain;
          private int maxHp, maxMp, curHp, curMp;
          private double incHp, incMp;
          
          private boolean cursorOnNextAvailablePot(MapleCharacter chr) {
              if(toUseList == null) {
                  toUseList = chr.getInventory(MapleInventoryType.USE).linkedListById(itemId);
              }
  
              toUse = null;
              while(!toUseList.isEmpty()) {
                  Item it = toUseList.remove(0);
  
                  if(it.getQuantity() > 0) {
                      toUse = it;
                      slot = it.getPosition();
  
                      return true;
                  }
              }
  
              return false;
          }
          
          public AutopotAction(MapleClient c, short slot, int itemId) {
              this.c = c;
              this.slot = slot;
              this.itemId = itemId;
          }
          
          public void run() {
              MapleClient c = this.c;
              MapleCharacter chr = c.getPlayer();
              if (!chr.isAlive()) {
                  c.announce(MaplePacketCreator.enableActions());
                  return;
              }
              
              int useCount = 0, qtyCount = 0;
              MapleStatEffect stat = null;
              
              maxHp = chr.getCurrentMaxHp();
              maxMp = chr.getCurrentMaxMp();
  
              curHp = chr.getHp();
              curMp = chr.getMp();
  
              MapleInventory useInv = chr.getInventory(MapleInventoryType.USE);
              useInv.lockInventory();
              try {
                  toUse = useInv.getItem(slot);
                  if (toUse != null) {
                      if (toUse.getItemId() != itemId) {
                          c.announce(MaplePacketCreator.enableActions());
                          return;
                      }
  
                      toUseList = null;
  
                      // from now on, toUse becomes the "cursor" for the current pot being used
                      if (toUse.getQuantity() <= 0) {
                          if (!cursorOnNextAvailablePot(chr)) {
                              c.announce(MaplePacketCreator.enableActions());
                              return;
                          }
                      }
  
                      stat = MapleItemInformationProvider.getInstance().getItemEffect(toUse.getItemId());
                      hasHpGain = stat.getHp() > 0 || stat.getHpRate() > 0.0;
                      hasMpGain = stat.getMp() > 0 || stat.getMpRate() > 0.0;
                      
                      incHp = stat.getHp();
                      if(incHp <= 0 && hasHpGain) incHp = Math.ceil(maxHp * stat.getHpRate());
  
                      incMp = stat.getMp();
                      if(incMp <= 0 && hasMpGain) incMp = Math.ceil(maxMp * stat.getMpRate());
  
                      if (YamlConfig.config.server.USE_COMPULSORY_AUTOPOT) {
                          if (hasHpGain) {
                              double hpRatio = (YamlConfig.config.server.PET_AUTOHP_RATIO * maxHp) - curHp;
                              if (hpRatio > 0.0) {
                                  qtyCount = (int) Math.ceil(hpRatio / incHp);
                              }
                          }
  
                          if (hasMpGain) {
                              double mpRatio = ((YamlConfig.config.server.PET_AUTOMP_RATIO * maxMp) - curMp);
                              if (mpRatio > 0.0) {
                                  qtyCount = Math.max(qtyCount, (int) Math.ceil(mpRatio / incMp));
                              }
                          }
                          
                          if (qtyCount < 0) { // thanks Flint, Kevs for noticing an issue where negative counts were getting achieved
                              qtyCount = 0;
                          }
                      } else {
                          qtyCount = 1;   // non-compulsory autopot concept thanks to marcuswoon
                      }
  
                      while (true) {
                          short qtyToUse = (short) Math.min(qtyCount, toUse.getQuantity());
                          MapleInventoryManipulator.removeFromSlot(c, MapleInventoryType.USE, slot, qtyToUse, false);
  
                          curHp += (incHp * qtyToUse);
                          curMp += (incMp * qtyToUse);
  
                          useCount += qtyToUse;
                          qtyCount -= qtyToUse;
  
                          if(toUse.getQuantity() == 0 && qtyCount > 0) {
                              // depleted out the current slot, fetch for more
  
                              if(!cursorOnNextAvailablePot(chr)) {
                                  break;    // no more pots available
                              }
                          } else {
                              break;    // gracefully finished it's job, quit the loop
                          }
                      }
                  }
              } finally {
                  useInv.unlockInventory();
              }
  
              if (stat != null) {
                  for (int i = 0; i < useCount; i++) {
                      stat.applyTo(chr);
                  }
              }
  
              chr.announce(MaplePacketCreator.enableActions());
          }
      }
      
      public static void runAutopotAction(MapleClient c, short slot, int itemid) {
          AutopotAction action = new AutopotAction(c, slot, itemid);
          action.run();
      }
      
  }
  