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;
	}
}