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//      Magicbane Emulator Project © 2013 - 2022
//                www.magicbane.com


package engine.objects;

import engine.gameManager.DbManager;
import engine.gameManager.PowersManager;
import engine.powers.PowersBase;
import engine.server.MBServerStatics;
import org.pmw.tinylog.Logger;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.concurrent.ConcurrentHashMap;


public class PowerReq extends AbstractGameObject implements Comparable<PowerReq> {

    private static ArrayList<PowerReq> powersForAll = new ArrayList<>();
    private PowersBase powersBase;
    private int token;
    private short level;
    private ConcurrentHashMap<Integer, Byte> powerReqs;
    private ConcurrentHashMap<Integer, Byte> skillReqs;
    private static ConcurrentHashMap<Integer, ArrayList<PowerReq>> runePowers = fillRunePowers();

    /**
     * No Table ID Constructor
     */
    public PowerReq(PowersBase powersBase, short level, ConcurrentHashMap<Integer, Byte> powerReqs, ConcurrentHashMap<Integer, Byte> skillReqs) {
        super();
        this.powersBase = powersBase;
        this.level = level;
        this.powerReqs = powerReqs;
        this.skillReqs = skillReqs;
        if (this.powersBase != null)
            this.token = this.powersBase.getToken();
        else
            this.token = 0;
    }

    /**
     * Normal Constructor
     */
    public PowerReq(PowersBase powersBase, short level, ConcurrentHashMap<Integer, Byte> powerReqs, ConcurrentHashMap<Integer, Byte> skillReqs, int newUUID) {
        super(newUUID);
        this.powersBase = powersBase;
        this.level = level;
        this.powerReqs = powerReqs;
        this.skillReqs = skillReqs;
        if (this.powersBase != null)
            this.token = this.powersBase.getToken();
        else
            this.token = 0;
    }

    /**
     * ResultSet Constructor
     */
    public PowerReq(ResultSet rs) throws SQLException {
        super(rs);
        this.token = rs.getInt("powerToken");
        this.powersBase = PowersManager.getPowerByToken(this.token);
        this.level = rs.getShort("level");
        int type = rs.getInt("type");
        this.powerReqs = new ConcurrentHashMap<>(MBServerStatics.CHM_INIT_CAP, MBServerStatics.CHM_LOAD, MBServerStatics.CHM_THREAD_LOW);
        this.skillReqs = new ConcurrentHashMap<>(MBServerStatics.CHM_INIT_CAP, MBServerStatics.CHM_LOAD, MBServerStatics.CHM_THREAD_LOW);
        if (type == 1)
            this.skillReqs.put(rs.getInt("requiredToken"), rs.getByte("requiredAmount"));
        else if (type == 2)
            this.powerReqs.put(rs.getInt("requiredToken"), rs.getByte("requiredAmount"));
    }

    public static ArrayList<PowerReq> getPowerReqsForRune(int id) {
//		if (PowerReq.runePowers == null)
//			fillRunePowers();
        if (PowerReq.runePowers.containsKey(id))
            return PowerReq.runePowers.get(id);
        return new ArrayList<>();
    }

    public static ConcurrentHashMap<Integer, ArrayList<PowerReq>> fillRunePowers() {

        PowerReq.runePowers = new ConcurrentHashMap<>(MBServerStatics.CHM_INIT_CAP, MBServerStatics.CHM_LOAD, MBServerStatics.CHM_THREAD_LOW);

        try (Connection connection = DbManager.getConnection();
             PreparedStatement preparedStatement = connection.prepareStatement("SELECT * FROM static_power_powerrequirement")) {

            ResultSet rs = preparedStatement.executeQuery();

            if (PowerReq.runePowers.size() > 0) {
                return PowerReq.runePowers;
            }

            while (rs.next()) {
                ArrayList<PowerReq> runePR = null;
                int runeID = rs.getInt("runeID");
                int token = rs.getInt("powerToken");
                if (PowerReq.runePowers.containsKey(runeID))
                    runePR = PowerReq.runePowers.get(runeID);
                else {
                    runePR = new ArrayList<>();
                    PowerReq.runePowers.put(runeID, runePR);
                }
                boolean found = false;
                for (PowerReq pr : runePR) {
                    if (pr.token == token) {
                        int type = rs.getInt("type");
                        if (type == 1)
                            pr.addSkill(rs.getInt("requiredToken"), rs.getByte("requiredAmount"));
                        else
                            pr.addPower(rs.getInt("requiredToken"), rs.getByte("requiredAmount"));
                        found = true;
                    }
                }
                if (!found) {
                    PowerReq pr = new PowerReq(rs);
                    runePR.add(pr);
                }
            }
            rs.close();

            //order the lists by level so prerequisites are met
            for (ArrayList<PowerReq> runePR : PowerReq.runePowers.values()) {
                Collections.sort(runePR);
            }
        } catch (SQLException e) {
            Logger.error("SQL Error number: " + e.getErrorCode(), e);
        }

        return PowerReq.runePowers;
    }

    /*
     * Getters
     */
    public PowersBase getPowersBase() {
        if (this.powersBase == null) {
            this.powersBase = PowersManager.getPowerByToken(this.token);
        }
        return this.powersBase;
    }

    public short getLevel() {
        return this.level;
    }

    public ConcurrentHashMap<Integer, Byte> getPowerReqs() {
        return this.powerReqs;
    }

    public ConcurrentHashMap<Integer, Byte> getSkillReqs() {
        return this.skillReqs;
    }

    public int getToken() {
        return this.token;
    }

    private void addPower(int token, byte amount) {
        this.powerReqs.put(token, amount);
    }

    private void addSkill(int token, byte amount) {
        this.skillReqs.put(token, amount);
    }


    /*
     * Database
     */

    @Override
    public int compareTo(PowerReq n) throws ClassCastException {
        if (n.level == this.level)
            return 0;
        else if (this.level > n.level)
            return 1;
        else
            return -1;
    }

    @Override
    public void updateDatabase() {

    }


}