Server/src/engine/db/handlers/dbCharacterSkillHandler.java

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//      Magicbane Emulator Project © 2013 - 2026
//                https://www.magicbane.com


package engine.db.handlers;

import engine.gameManager.DbManager;
import engine.mbEnums;
import engine.objects.AbstractCharacter;
import engine.objects.CharacterSkill;
import engine.objects.PlayerCharacter;
import engine.server.MBServerStatics;
import org.pmw.tinylog.Logger;

import java.sql.*;
import java.util.concurrent.ConcurrentHashMap;

public class dbCharacterSkillHandler extends dbHandlerBase {

    public dbCharacterSkillHandler() {
        this.localClass = CharacterSkill.class;
        this.localObjectType = mbEnums.GameObjectType.valueOf(this.localClass.getSimpleName());
    }

    public CharacterSkill ADD_SKILL(CharacterSkill toAdd) {

        CharacterSkill characterSkill = null;

        if (CharacterSkill.GetOwner(toAdd) == null || toAdd.getSkillsBase() == null) {
            Logger.error("dbCharacterSkillHandler.ADD_SKILL", toAdd.getObjectUUID() + " missing owner or skillsBase");
            return null;
        }

        try (Connection connection = DbManager.getConnection();
             PreparedStatement preparedStatement = connection.prepareStatement("INSERT INTO `dyn_character_skill` (`CharacterID`, `skillsBaseID`, `trains`) VALUES (?, ?, ?);", Statement.RETURN_GENERATED_KEYS)) {

            preparedStatement.setLong(1, CharacterSkill.GetOwner(toAdd).getObjectUUID());
            preparedStatement.setInt(2, toAdd.getSkillsBase().getObjectUUID());
            preparedStatement.setInt(3, toAdd.getNumTrains());

            preparedStatement.executeUpdate();
            ResultSet rs = preparedStatement.getGeneratedKeys();

            if (rs.next())
                characterSkill = GET_SKILL(rs.getInt(1));

        } catch (SQLException e) {
            Logger.error(e);
        }
        return characterSkill;
    }

    public boolean DELETE_SKILL(final int objectUUID) {

        try (Connection connection = DbManager.getConnection();
             PreparedStatement preparedStatement = connection.prepareStatement("DELETE FROM `dyn_character_skill` WHERE `UID` = ?")) {

            preparedStatement.setLong(1, objectUUID);

            return (preparedStatement.executeUpdate() > 0);

        } catch (SQLException e) {
            Logger.error(e);
        }
        return false;
    }

    public CharacterSkill GET_SKILL(final int objectUUID) {

        CharacterSkill characterSkill = (CharacterSkill) DbManager.getFromCache(mbEnums.GameObjectType.CharacterSkill, objectUUID);

        if (characterSkill != null)
            return characterSkill;

        try (Connection connection = DbManager.getConnection();
             PreparedStatement preparedStatement = connection.prepareStatement("SELECT * FROM `dyn_character_skill` WHERE `UID` = ?")) {

            preparedStatement.setInt(1, objectUUID);
            ResultSet rs = preparedStatement.executeQuery();

            characterSkill = (CharacterSkill) getObjectFromRs(rs);

        } catch (SQLException e) {
            Logger.error(e);
        }
        return characterSkill;
    }

    public ConcurrentHashMap<String, CharacterSkill> GET_SKILLS_FOR_CHARACTER(final AbstractCharacter ac) {

        ConcurrentHashMap<String, CharacterSkill> characterSkills = new ConcurrentHashMap<>(MBServerStatics.CHM_INIT_CAP, MBServerStatics.CHM_LOAD, MBServerStatics.CHM_THREAD_LOW);

        if (ac == null || (!(ac.getObjectType().equals(mbEnums.GameObjectType.PlayerCharacter))))
            return characterSkills;

        PlayerCharacter playerCharacter = (PlayerCharacter) ac;
        int characterId = playerCharacter.getObjectUUID();

        try (Connection connection = DbManager.getConnection();
             PreparedStatement preparedStatement = connection.prepareStatement("SELECT * FROM `dyn_character_skill` WHERE `CharacterID` = ?")) {

            preparedStatement.setInt(1, characterId);

            ResultSet rs = preparedStatement.executeQuery();

            while (rs.next()) {
                CharacterSkill cs = new CharacterSkill(rs, playerCharacter);
                if (cs.getSkillsBase() != null)
                    characterSkills.put(cs.getSkillsBase().getName(), cs);
            }

        } catch (SQLException e) {
            Logger.error(e);
        }

        return characterSkills;
    }


    public void UPDATE_TRAINS(final CharacterSkill characterSkill) {

        if (!characterSkill.isTrained())
            return;

        try (Connection connection = DbManager.getConnection();
             PreparedStatement preparedStatement = connection.prepareStatement("UPDATE `dyn_character_skill` SET `trains`=? WHERE `UID` = ?")) {

            preparedStatement.setShort(1, (short) characterSkill.getNumTrains());
            preparedStatement.setLong(2, characterSkill.getObjectUUID());

            if (preparedStatement.executeUpdate() != 0)
                characterSkill.syncTrains();

        } catch (SQLException e) {
            Logger.error(e);
        }
    }

    public void updateDatabase(final CharacterSkill characterSkill) {

        if (characterSkill.getSkillsBase() == null) {
            Logger.error("Failed to find skillsBase for Skill " + characterSkill.getObjectUUID());
            return;
        }

        if (CharacterSkill.GetOwner(characterSkill) == null) {
            Logger.error("Failed to find owner for Skill " + characterSkill.getObjectUUID());
            return;
        }

        try (Connection connection = DbManager.getConnection();
             PreparedStatement preparedStatement = connection.prepareStatement("UPDATE `dyn_character_skill` SET `skillsBaseID`=?, `CharacterID`=?, `trains`=? WHERE `UID`=?")) {

            preparedStatement.setInt(1, characterSkill.getSkillsBase().getObjectUUID());
            preparedStatement.setInt(2, CharacterSkill.GetOwner(characterSkill).getObjectUUID());
            preparedStatement.setShort(3, (short) characterSkill.getNumTrains());
            preparedStatement.setLong(4, characterSkill.getObjectUUID());

            if (preparedStatement.executeUpdate() != 0)
                characterSkill.syncTrains();

        } catch (SQLException e) {
            Logger.error(e);
        }

    }

}