Add factions top

src/com/massivecraft/factions/Perm.java

@@ -93,6 +93,7 @@ public enum Perm implements Identified
 	TITLE,
 	TITLE_COLOR,
 	TERRITORYTITLES,
+	TOP,
 	UNCLAIM,
 	UNCLAIM_ONE,
 	UNCLAIM_AUTO,

src/com/massivecraft/factions/cmd/CmdFactions.java

@@ -40,6 +40,7 @@ public class CmdFactions extends FactionsCommand
 	public CmdFactionsTitle cmdFactionsTitle = new CmdFactionsTitle();
 	public CmdFactionsRank cmdFactionsRank = new CmdFactionsRank();
 	public CmdFactionsMoney cmdFactionsMoney = new CmdFactionsMoney();
+	public CmdFactionsTop cmdFactionsTop = new CmdFactionsTop();
 	public CmdFactionsSeeChunk cmdFactionsSeeChunk = new CmdFactionsSeeChunk();
 	public CmdFactionsSeeChunkOld cmdFactionsSeeChunkOld = new CmdFactionsSeeChunkOld();
 	public CmdFactionsTerritorytitles cmdFactionsTerritorytitles = new CmdFactionsTerritorytitles();

src/com/massivecraft/factions/cmd/CmdFactionsTop.java

@@ -0,0 +1,112 @@
+package com.massivecraft.factions.cmd;
+
+import com.massivecraft.factions.Factions;
+import com.massivecraft.factions.entity.Faction;
+import com.massivecraft.factions.entity.FactionColl;
+import com.massivecraft.factions.entity.MPlayer;
+import com.massivecraft.factions.integration.Econ;
+import com.massivecraft.massivecore.MassiveException;
+import com.massivecraft.massivecore.command.Parameter;
+import com.massivecraft.massivecore.command.type.enumeration.TypeEnum;
+import com.massivecraft.massivecore.money.Money;
+import com.massivecraft.massivecore.pager.Pager;
+import com.massivecraft.massivecore.pager.Stringifier;
+import com.massivecraft.massivecore.util.TimeDiffUtil;
+import com.massivecraft.massivecore.util.TimeUnit;
+import com.massivecraft.massivecore.util.Txt;
+import org.bukkit.Bukkit;
+import org.bukkit.command.CommandSender;
+
+import java.util.LinkedHashMap;
+import java.util.List;
+
+public class CmdFactionsTop extends FactionsCommand
+{
+	// -------------------------------------------- //
+	// CONSTRUCT
+	// -------------------------------------------- //
+
+	public CmdFactionsTop()
+	{
+		// Parameters
+		this.addParameter(new TypeEnum<>(TopCategory.class));
+		this.addParameter(Parameter.getPage());
+	}
+
+	// -------------------------------------------- //
+	// OVERRIDE
+	// -------------------------------------------- //
+	
+	@Override
+	public void perform() throws MassiveException
+	{
+		// Args
+		TopCategory category = this.readArg();
+		int page = this.readArg();
+		final CommandSender sender = this.sender;
+		final MPlayer msender = this.msender;
+
+		if (category == TopCategory.MONEY && !Econ.isEnabled())
+		{
+			throw new MassiveException().addMsg("<b>Economy is not enabled.");
+		}
+
+		Pager<Faction> pager = new Pager<>(this, "Faction top", page);
+		pager.setMsonifier((Stringifier<Faction>) (f, i) -> getValue(category, f, msender));
+
+		// NOTE: The faction list is quite slow and mostly thread safe.
+		// We run it asynchronously to spare the primary server thread.
+
+		Bukkit.getScheduler().runTaskAsynchronously(Factions.get(), new Runnable()
+		{
+			@Override
+			public void run()
+			{
+				// Pager Items
+				List<Faction> factions = FactionColl.get().getAll((f1, f2) -> (int) (getNumber(category, f2) - getNumber(category, f1)));
+				pager.setItems(factions);
+
+				// Pager Message
+				pager.message();
+			}
+		});
+	}
+
+	private static double getNumber(TopCategory category, Faction faction)
+	{
+		switch(category)
+		{
+			case MONEY: return Money.get(faction);
+			case MEMBERS: return faction.getMPlayers().size();
+			case TERRITORY: return faction.getLandCount();
+			case AGE: return faction.getAge();
+		}
+		throw new RuntimeException();
+	}
+
+	private static String getValue(TopCategory category, Faction faction, MPlayer mplayer)
+	{
+		String ret = Txt.parse("%s<i>: ", faction.getName(mplayer));
+		switch(category)
+		{
+			case MONEY: ret += Money.format(Money.get(faction), true); break;
+			case MEMBERS: ret += faction.getMPlayers().size() + " members"; break;
+			case TERRITORY: ret += faction.getLandCount() + " chunks"; break;
+			case AGE:
+				long ageMillis = faction.getAge();
+				LinkedHashMap<TimeUnit, Long> ageUnitcounts = TimeDiffUtil.limit(TimeDiffUtil.unitcounts(ageMillis, TimeUnit.getAllButMillis()), 3);
+				ret += TimeDiffUtil.formatedVerboose(ageUnitcounts);
+				break;
+		}
+		return ret;
+	}
+
+	public enum TopCategory
+	{
+		MONEY,
+		MEMBERS,
+		TERRITORY,
+		AGE,
+	}
+	
+}