Saber-Factions/src/main/java/com/massivecraft/factions/cmd/CmdTop.java

package com.massivecraft.factions.cmd;

import com.massivecraft.factions.FPlayer;
import com.massivecraft.factions.Faction;
import com.massivecraft.factions.Factions;
import com.massivecraft.factions.integration.Econ;
import com.massivecraft.factions.struct.Permission;
import com.massivecraft.factions.zcore.util.TL;
import org.bukkit.entity.Player;

import java.util.ArrayList;

public class CmdTop extends FCommand {

    public CmdTop() {
        super();
        this.aliases.add("top");
        this.aliases.add("t");

        //this.requiredArgs.add("");
        this.requiredArgs.add("criteria");
        this.optionalArgs.put("page", "1");

        this.permission = Permission.TOP.node;
        this.disableOnLock = false;

        senderMustBePlayer = false;
        senderMustBeMember = false;
        senderMustBeModerator = false;
        senderMustBeAdmin = false;

    }


    @Override
    public void perform() {
        // Can sort by: money, members, online, allies, enemies, power, land.
        // Get all Factions and remove non player ones.
        ArrayList<Faction> factionList = Factions.getInstance().getAllFactions();
        factionList.remove(Factions.getInstance().getWilderness());
        factionList.remove(Factions.getInstance().getSafeZone());
        factionList.remove(Factions.getInstance().getWarZone());

        String criteria = argAsString(0);

        // TODO: Better way to sort?
        if (criteria.equalsIgnoreCase("members")) {
           factionList.sort((f1, f2) -> {
              int f1Size = f1.getFPlayers().size();
              int f2Size = f2.getFPlayers().size();
              if (f1Size < f2Size) {
                 return 1;
              } else if (f1Size > f2Size) {
                 return -1;
              }
              return 0;
           });
        } else if (criteria.equalsIgnoreCase("start")) {
           factionList.sort((f1, f2) -> {
              long f1start = f1.getFoundedDate();
              long f2start = f2.getFoundedDate();
              // flip signs because a smaller date is farther in the past
              if (f1start > f2start) {
                 return 1;
              } else if (f1start < f2start) {
                 return -1;
              }
              return 0;
            });
        } else if (criteria.equalsIgnoreCase("power")) {
           factionList.sort((f1, f2) -> {
              int f1Size = f1.getPowerRounded();
              int f2Size = f2.getPowerRounded();
              if (f1Size < f2Size) {
                 return 1;
              } else if (f1Size > f2Size) {
                 return -1;
              }
              return 0;
            });
        } else if (criteria.equalsIgnoreCase("land")) {
           factionList.sort((f1, f2) -> {
              int f1Size = f1.getLandRounded();
              int f2Size = f2.getLandRounded();
              if (f1Size < f2Size) {
                 return 1;
              } else if (f1Size > f2Size) {
                 return -1;
              }
              return 0;
            });
        } else if (criteria.equalsIgnoreCase("online")) {
           factionList.sort((f1, f2) -> {
              int f1Size = f1.getFPlayersWhereOnline(true).size();
              int f2Size = f2.getFPlayersWhereOnline(true).size();
              if (f1Size < f2Size) {
                 return 1;
              } else if (f1Size > f2Size) {
                 return -1;
              }
              return 0;
           });
        } else if (criteria.equalsIgnoreCase("money") || criteria.equalsIgnoreCase("balance") || criteria.equalsIgnoreCase("bal")) {
           factionList.sort((f1, f2) -> {
              double f1Size = Econ.getBalance(f1.getAccountId());
              // Lets get the balance of /all/ the players in the Faction.
              for (FPlayer fp : f1.getFPlayers()) {
                 f1Size = f1Size + Econ.getBalance(fp.getAccountId());
              }
              double f2Size = Econ.getBalance(f2.getAccountId());
              for (FPlayer fp : f2.getFPlayers()) {
                 f2Size = f2Size + Econ.getBalance(fp.getAccountId());
              }
              if (f1Size < f2Size) {
                 return 1;
              } else if (f1Size > f2Size) {
                 return -1;
              }
              return 0;
           });
        } else {
            msg(TL.COMMAND_TOP_INVALID, criteria);
        }

        ArrayList<String> lines = new ArrayList<>();

        final int pageheight = 9;
        int pagenumber = this.argAsInt(1, 1);
        int pagecount = (factionList.size() / pageheight) + 1;
        if (pagenumber > pagecount) {
            pagenumber = pagecount;
        } else if (pagenumber < 1) {
            pagenumber = 1;
        }
        int start = (pagenumber - 1) * pageheight;
        int end = start + pageheight;
        if (end > factionList.size()) {
            end = factionList.size();
        }

        lines.add(TL.COMMAND_TOP_TOP.format(criteria.toUpperCase(), pagenumber, pagecount));

        int rank = 1;
        for (Faction faction : factionList.subList(start, end)) {
            // Get the relation color if player is executing this.
            String fac = sender instanceof Player ? faction.getRelationTo(fme).getColor() + faction.getTag() : faction.getTag();
            lines.add(TL.COMMAND_TOP_LINE.format(rank, fac, getValue(faction, criteria)));
            rank++;
        }

        sendMessage(lines);
    }

    private String getValue(Faction faction, String criteria) {
        if (criteria.equalsIgnoreCase("online")) {
            return String.valueOf(faction.getFPlayersWhereOnline(true).size());
        } else if (criteria.equalsIgnoreCase("start")) {
            return TL.sdf.format(faction.getFoundedDate());
        } else if (criteria.equalsIgnoreCase("members")) {
            return String.valueOf(faction.getFPlayers().size());
        } else if (criteria.equalsIgnoreCase("land")) {
            return String.valueOf(faction.getLandRounded());
        } else if (criteria.equalsIgnoreCase("power")) {
            return String.valueOf(faction.getPowerRounded());
        } else { // Last one is balance, and it has 3 different things it could be.
            double balance = Econ.getBalance(faction.getAccountId());
            for (FPlayer fp : faction.getFPlayers()) {
               balance = Math.round(balance + Econ.getBalance(fp.getAccountId()));
            }
            return String.valueOf(balance);
        }
    }

    @Override
    public TL getUsageTranslation() {
        return TL.COMMAND_TOP_DESCRIPTION;
    }
}