Added /mmocore quest <cancel/start> <player> <quest>

src/main/java/net/Indyuce/mmocore/api/quest/Quest.java

@@ -39,7 +39,7 @@ public class Quest {
 	private FileConfiguration loaded;
 
 	public Quest(String id, FileConfiguration config) {
-		this.id = id;
+		this.id = id.toLowerCase().replace("_", "-").replace(" ", "-");
 		loaded = config;
 	}
 

src/main/java/net/Indyuce/mmocore/command/MMOCoreCommand.java

@@ -16,6 +16,7 @@ import net.Indyuce.mmocore.command.rpg.ReloadCommandMap;
 import net.Indyuce.mmocore.command.rpg.admin.AdminCommandMap;
 import net.Indyuce.mmocore.command.rpg.booster.BoosterCommandMap;
 import net.Indyuce.mmocore.command.rpg.debug.DebugCommandMap;
+import net.Indyuce.mmocore.command.rpg.quest.QuestCommandMap;
 import net.Indyuce.mmocore.command.rpg.waypoint.WaypointsCommandMap;
 
 public class MMOCoreCommand extends CommandRoot implements CommandExecutor, TabCompleter {
@@ -29,6 +30,7 @@ public class MMOCoreCommand extends CommandRoot implements CommandExecutor, TabC
 		addFloor(new DebugCommandMap(this));
 		addFloor(new BoosterCommandMap(this));
 		addFloor(new WaypointsCommandMap(this));
+		addFloor(new QuestCommandMap(this));
 	}
 
 	@Override
@@ -50,7 +52,7 @@ public class MMOCoreCommand extends CommandRoot implements CommandExecutor, TabC
 		if (!sender.hasPermission("mmocore.admin"))
 			return new ArrayList<>();
 
-		CommandReader reader = readCommand(args);
+		CommandParser reader = readCommand(args);
 		List<String> list = reader.readTabCompletion();
 		return args[args.length - 1].isEmpty() ? list : list.stream().filter(string -> string.toLowerCase().startsWith(args[args.length - 1].toLowerCase())).collect(Collectors.toList());
 	}

src/main/java/net/Indyuce/mmocore/command/api/CommandMap.java

@@ -7,6 +7,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
+import org.apache.commons.lang.Validate;
 import org.bukkit.command.CommandSender;
 
 public abstract class CommandMap {
@@ -14,7 +15,15 @@ public abstract class CommandMap {
 	private final String id;
 	private final CommandMap parent;
 
+	public static final CommandMap EMPTY = new CommandMap(null, "empty") {
+		public CommandResult execute(CommandSender sender, String[] args) {
+			return CommandResult.THROW_USAGE;
+		}
+	};
+
 	public CommandMap(CommandMap parent, String id) {
+		Validate.isTrue(!(parent instanceof CommandEnd), "You cannot use a CommandEnd as a parent");
+
 		this.id = id;
 		this.parent = parent;
 	}
@@ -47,26 +56,28 @@ public abstract class CommandMap {
 		floors.put(floor.getId(), floor);
 	}
 
-	public abstract CommandResult execute(CommandSender sender, String[] args);
-
 	public Set<String> getKeys() {
 		return floors.keySet();
 	}
 
-	public List<String> calculateTabCompletion(int n) {
+	public abstract CommandResult execute(CommandSender sender, String[] args);
+
+	public List<String> calculateTabCompletion(int parameterIndex) {
 
 		/*
-		 * add extra floor keys
+		 * add extra floor keys. only commandEnds can have parameters, that
+		 * means commands must be clean and cannot have both floors and
+		 * parameters to input
 		 */
 		List<String> list = new ArrayList<>();
 		getKeys().forEach(key -> list.add(key));
 
 		/*
-		 * add final arguments if needed.
+		 * if the player is at the end of a command branch, display the
+		 * parameter with the right index that the player must input
 		 */
-		if (isEnd())
-			if (((CommandEnd) this).getParameters().size() > n)
-				((CommandEnd) this).getParameters().get(n).autoComplete(list);
+		if (isEnd() && ((CommandEnd) this).getParameters().size() > parameterIndex)
+			((CommandEnd) this).getParameters().get(parameterIndex).autoComplete(list);
 
 		return list;
 	}

src/main/java/net/Indyuce/mmocore/command/api/CommandRoot.java

@@ -1,6 +1,5 @@
 package net.Indyuce.mmocore.command.api;
 
-import java.util.ArrayList;
 import java.util.List;
 
 import org.bukkit.ChatColor;
@@ -18,29 +17,33 @@ public abstract class CommandRoot extends CommandMap {
 			read.calculateUsageList().forEach(str -> sender.sendMessage(ChatColor.YELLOW + "/" + str));
 	}
 
-	public CommandReader readCommand(String[] args) {
-		return new CommandReader(this, args);
+	public CommandParser readCommand(String[] args) {
+		return new CommandParser(this, args);
 	}
 
-	public class CommandReader {
+	public class CommandParser {
 		private CommandMap current;
 		private int parameter = 0;
 
-		public CommandReader(CommandRoot begin, String[] args) {
+		/*
+		 * used to parse a command and identify the commandMap which is supposed
+		 * to
+		 */
+		public CommandParser(CommandRoot begin, String[] args) {
 			this.current = begin;
 
 			for (String arg : args)
 
 				/*
-				 * check if current command map has the corresponding arg, if so
-				 * let the next map handle the command.
+				 * check if current command floor has the corresponding arg, if
+				 * so let the next floor handle the command.
 				 */
 				if (parameter == 0 && current.hasFloor(arg))
 					current = current.getFloor(arg);
-			
+
 				/*
 				 * if the plugin cannot find a command map higher, then the
-				 * current map will handle the command.
+				 * current floor will handle the command.
 				 */
 				else
 					parameter++;
@@ -55,7 +58,7 @@ public abstract class CommandRoot extends CommandMap {
 		}
 
 		public List<String> readTabCompletion() {
-			return parameter < 0 ? new ArrayList<>() : current.calculateTabCompletion(Math.max(0, parameter - 1));
+			return current.calculateTabCompletion(Math.max(0, parameter - 1));
 		}
 	}
 }

src/main/java/net/Indyuce/mmocore/command/api/Parameter.java

@@ -17,7 +17,10 @@ public class Parameter {
 		list.add("main");
 	});
 	public static final Parameter PLAYER = new Parameter("<player>", list -> Bukkit.getOnlinePlayers().forEach(online -> list.add(online.getName())));
-	public static final Parameter PLAYER_OPTIONAL = new Parameter("(player)", list -> Bukkit.getOnlinePlayers().forEach(online -> list.add(online.getName())));
+	public static final Parameter QUEST = new Parameter("<quest>",
+			list -> MMOCore.plugin.questManager.getAll().forEach(quest -> list.add(quest.getId())));
+	public static final Parameter PLAYER_OPTIONAL = new Parameter("(player)",
+			list -> Bukkit.getOnlinePlayers().forEach(online -> list.add(online.getName())));
 	public static final Parameter AMOUNT = new Parameter("<amount>", list -> {
 		for (int j = 0; j <= 10; j++)
 			list.add("" + j);

src/main/java/net/Indyuce/mmocore/command/rpg/admin/ExperienceCommandMap.java

@@ -15,7 +15,7 @@ import net.Indyuce.mmocore.command.api.CommandEnd;
 import net.Indyuce.mmocore.command.api.CommandMap;
 import net.Indyuce.mmocore.command.api.Parameter;
 
-public class ExperienceCommandMap extends CommandEnd {
+public class ExperienceCommandMap extends CommandMap {
 	public ExperienceCommandMap(CommandMap parent) {
 		super(parent, "exp");
 

src/main/java/net/Indyuce/mmocore/command/rpg/admin/ResetCommandMap.java

@@ -13,7 +13,7 @@ import net.Indyuce.mmocore.command.api.CommandEnd;
 import net.Indyuce.mmocore.command.api.CommandMap;
 import net.Indyuce.mmocore.command.api.Parameter;
 
-public class ResetCommandMap extends CommandEnd {
+public class ResetCommandMap extends CommandMap {
 	public ResetCommandMap(CommandMap parent) {
 		super(parent, "reset");
 

src/main/java/net/Indyuce/mmocore/manager/QuestManager.java

@@ -12,7 +12,7 @@ import net.Indyuce.mmocore.MMOCore;
 import net.Indyuce.mmocore.api.quest.Quest;
 
 public class QuestManager extends MMOManager {
-	private Map<String, Quest> quests = new LinkedHashMap<>();
+	private final Map<String, Quest> quests = new LinkedHashMap<>();
 
 	public void load(File file) {
 		if (file.isDirectory())