Dice Roller

package me.Darksoul676.ElonyrDiceRoller;

import java.util.Arrays;
import java.util.concurrent.ThreadLocalRandom;
import java.util.logging.Logger;

import org.bukkit.Bukkit;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.plugin.java.JavaPlugin;

import net.md_5.bungee.api.ChatColor;

public class ElonyrDiceRoller extends JavaPlugin
{
     Logger myPluginLogger = Bukkit.getLogger();

    public boolean onCommand(CommandSender theSender, Command cmd, String commandLabel, String[] args)
    {
        Player thePlayer = (Player)theSender;
        int min = 1;
        int max = 20;
        int randomNum = ThreadLocalRandom.current().nextInt(min, max + 1);
        String randomNumString = Integer.toString(randomNum);
        String playerName = thePlayer.getName();
        String playerString = Arrays.toString(args);
        int dLocation = 0;
        int plusLocation = 0;
        int minusLocation = 0;
        boolean isThereAPlus = false;
        boolean isThereAMinus = false;
        int stringLength = playerString.length();
        String numberOfDice = "0";
        String typeOfDice = "0";
        String modifierOfDice = "0";
        String modifierOfDiceSubOne = "0";

        if(commandLabel.equalsIgnoreCase("roll"))
        {
            if(theSender instanceof Player)
            {
                if(args.length == 1)
                {
                    for (int i = 0 ; i<playerString.length() ; i++)
                    if(playerString.charAt(i) == 'd')
                    {
                        dLocation = i;
                        String stringChunkOne = playerString.substring(1, dLocation);
                        numberOfDice = stringChunkOne;
                    }

                    for (int b = 0 ; b<playerString.length() ; b++)
                        if(playerString.charAt(b) == '+')
                        {
                            isThereAPlus = true;
                        }
                        else
                        {

                        }

                    for (int p = 0 ; p<playerString.length() ; p++)
                        if(playerString.charAt(p) == '-')
                        {
                            isThereAMinus = true;

                        }
                        else
                        {

                        }

                        if( isThereAPlus || isThereAMinus == true)
                        {
                            for (int l = 0 ; l<playerString.length() ; l++)
                                if(playerString.charAt(l) == '+')
                                {
                                    plusLocation = l;
                                    String stringChunkThree = playerString.substring(plusLocation + 1, stringLength - 1);
                                    String stringChunkThreeWithPlusOrMinus = playerString.substring(plusLocation, stringLength - 1);
                                    modifierOfDice = stringChunkThree;
                                    modifierOfDiceSubOne = stringChunkThreeWithPlusOrMinus;
                                }
                            for (int h = 0 ; h<playerString.length() ; h++)
                                if(playerString.charAt(h) == '-')
                                {
                                    minusLocation = h;
                                    String stringChunkThree = playerString.substring(minusLocation + 1, stringLength - 1);
                                    String stringChunkThreeWithPlusOrMinus = playerString.substring(minusLocation, stringLength - 1);
                                    modifierOfDice = stringChunkThree;
                                    modifierOfDiceSubOne = stringChunkThreeWithPlusOrMinus;
                                }
                            for (int a = 0 ; a<playerString.length() ; a++)
                                if(playerString.charAt(a) == '+')
                                {
                                    plusLocation = a;
                                    String stringChunkTwo = playerString.substring(dLocation + 1, plusLocation);
                                    typeOfDice = stringChunkTwo;
                                    int maxTwo = Integer.valueOf(stringChunkTwo);
                                    int randomNumTwo = ThreadLocalRandom.current().nextInt(min, maxTwo + 1);
                                    String randomNumStringTwo = Integer.toString(randomNumTwo);
                                    int intModifiedNumberOne = randomNumTwo;
                                    int intModifiedNumberTwo = Integer.valueOf(modifierOfDice);
                                    int modifiedNumberSum = intModifiedNumberOne + intModifiedNumberTwo;
                                    String modifiedNumberSumString = Integer.toString(modifiedNumberSum);
                                    int intNumberOfDice = Integer.valueOf(numberOfDice);

                                    if(isThereAPlus == true || isThereAMinus == false)
                                    {
                                            for (int times = 0; times < intNumberOfDice; ++times)
                                            {
                                            thePlayer.sendMessage(ChatColor.BLUE + playerName + ChatColor.GRAY + " rolled " + ChatColor.YELLOW + numberOfDice + "d" + typeOfDice + modifierOfDiceSubOne);
                                            thePlayer.sendMessage(ChatColor.GRAY + "(" + randomNumStringTwo + "+" + modifierOfDice + ")" + " = " + modifiedNumberSumString);
                                            }
                                    }
                                }

                                else
                                {
                                    for (int o = 0 ; o<playerString.length() ; o++)
                                        if(playerString.charAt(o) == '-')
                                        {
                                            minusLocation = o;
                                            String stringChunkTwo = playerString.substring(dLocation + 1, minusLocation);
                                            typeOfDice = stringChunkTwo;
                                            int maxTwo = Integer.valueOf(stringChunkTwo);
                                            int randomNumTwo = ThreadLocalRandom.current().nextInt(min, maxTwo + 1);
                                            String randomNumStringTwo = Integer.toString(randomNumTwo);
                                            int intModifiedNumberOne = randomNumTwo;
                                            int intModifiedNumberTwo = Integer.valueOf(modifierOfDice);
                                            int modifiedNumberSum = intModifiedNumberOne - intModifiedNumberTwo;
                                            String modifiedNumberSumString = Integer.toString(modifiedNumberSum);
                                            int intNumberOfDice = Integer.valueOf(numberOfDice);

                                            if (isThereAMinus == true || isThereAPlus == false)
                                            {
                                                    for (int times = 0; times < intNumberOfDice; ++times)
                                                    {
                                                    thePlayer.sendMessage(ChatColor.BLUE + playerName + ChatColor.GRAY + " rolled " + ChatColor.YELLOW + numberOfDice + "d" + typeOfDice + modifierOfDiceSubOne);
                                                    thePlayer.sendMessage(ChatColor.GRAY + "(" + randomNumStringTwo + "-" + modifierOfDice + ")" + " = " + modifiedNumberSumString);
                                                    }
                                            }
                                        }
                                        else
                                        {

                                        }
                                }
                        }
                        // Else it will determine the stringChunk using the in-game character limit instead. FIXED.
                        else
                        {
                            String stringChunkTwo = playerString.substring(dLocation + 1, stringLength - 1);
                            typeOfDice = stringChunkTwo;
                            int maxTwo = Integer.valueOf(stringChunkTwo);
                            int randomNumTwo = ThreadLocalRandom.current().nextInt(min, maxTwo + 1);
                            String randomNumStringTwo = Integer.toString(randomNumTwo);

                            if(args.length == 1)
                            {
                                if(args.length == 1)
                                {
                                    if(args.length == 1)
                                    {
                                        thePlayer.sendMessage(ChatColor.BLUE + playerName + ChatColor.GRAY + " rolled " + ChatColor.YELLOW + numberOfDice + "d" + typeOfDice);
                                        thePlayer.sendMessage(ChatColor.GRAY + "(" + randomNumStringTwo + "+" + "0" + ")" + " = " + randomNumStringTwo);
                                    }
                                }
                            }
                        }
                }
                else
                {
                    thePlayer.sendMessage(ChatColor.BLUE + playerName + ChatColor.GRAY + " rolled " + ChatColor.YELLOW + "1d20");
                    thePlayer.sendMessage(ChatColor.GRAY + "(" + randomNumString + "+0)" + " = " + randomNumString);
                }
            }
        }
        return true;
    }

    public void OnEnable()
    {

    }

    public void OnDisable()
    {

    }

}