Updates the plugin description and the add tab completer

src/main/java/net/knarcraft/paidsigns/command/AddCommand.java

@@ -30,7 +30,7 @@ public class AddCommand implements CommandExecutor {
         PaidSignManager manager = PaidSigns.getInstance().getSignManager();
         List<String> arguments = Tokenizer.tokenize(String.join(" ", args));
 
-        String id = arguments.get(0);
+        String signName = arguments.get(0);
         double cost;
         try {
             cost = Double.parseDouble(arguments.get(2));
@@ -49,7 +49,7 @@ public class AddCommand implements CommandExecutor {
         }
 
         try {
-            PaidSign sign = new PaidSign(id, cost, permission, ignoreCase, ignoreColor);
+            PaidSign sign = new PaidSign(signName, cost, permission, ignoreCase, ignoreColor);
             /* TODO: Rewrite the method for comparing if paid signs are duplicated
             for (PaidSign similarSign : manager.getPaidSigns(sign.getCleanId(), sign.getLineIndex())) {
                 if (sign.matches(similarSign)) {

src/main/java/net/knarcraft/paidsigns/command/AddTabCompleter.java

@@ -1,60 +1,136 @@
 package net.knarcraft.paidsigns.command;
 
 import net.knarcraft.paidsigns.utility.Tokenizer;
+import org.bukkit.Bukkit;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.TabCompleter;
+import org.bukkit.permissions.Permission;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
+import java.util.StringJoiner;
 
 /**
  * The tab completer for the add paid sign command
  */
 public class AddTabCompleter implements TabCompleter {
 
-    private static List<String> ids;
-    private static List<String> lines;
+    private static List<String> names;
     private static List<String> costs;
+    private static List<String> plugins;
+    private static Map<String, List<String>> permissions;
     private static List<String> options;
 
     @Nullable
     @Override
     public List<String> onTabComplete(@NotNull CommandSender sender, @NotNull Command command, @NotNull String alias,
                                       @NotNull String[] args) {
-        if (ids == null) {
+        if (names == null) {
             initializeValues();
+            loadAvailablePermissions();
         }
         List<String> arguments = Tokenizer.tokenize(String.join(" ", args));
 
         if (arguments.size() < 1) {
-            return ids;
+            return names;
         } else if (arguments.size() < 2) {
-            return lines;
-        } else if (arguments.size() < 3) {
             return costs;
+        } else if (arguments.size() < 3) {
+            return tabCompletePermission(arguments.get(arguments.size() - 1));
         } else if (arguments.size() < 5) {
             return options;
         }
         return new ArrayList<>();
     }
 
+    /**
+     * Gets the tab complete value for the permission typed
+     *
+     * @param typedNode <p>The full permission node typed by the player</p>
+     * @return <p>All known valid auto-complete options</p>
+     */
+    private List<String> tabCompletePermission(String typedNode) {
+        List<String> output;
+        if (typedNode.contains(".")) {
+            List<String> matchingPermissions = permissions.get(typedNode.substring(0, typedNode.lastIndexOf(".")));
+            if (matchingPermissions == null) {
+                output = new ArrayList<>();
+            } else {
+                //Filter by the typed text
+                output = filterMatching(matchingPermissions, typedNode);
+            }
+        } else {
+            output = plugins;
+        }
+
+        //Add previous permissions in the comma-separated lists as a prefix
+        return output;
+    }
+
+    /**
+     * Find completable strings which match the text typed by the command's sender
+     *
+     * @param values    <p>The values to filter</p>
+     * @param typedText <p>The text the player has started typing</p>
+     * @return <p>The given string values which start with the player's typed text</p>
+     */
+    private List<String> filterMatching(List<String> values, String typedText) {
+        List<String> configValues = new ArrayList<>();
+        for (String value : values) {
+            if (value.toLowerCase().startsWith(typedText.toLowerCase())) {
+                configValues.add(value);
+            }
+        }
+        return configValues;
+    }
+
+    /**
+     * Loads all permissions available from bukkit plugins
+     */
+    private static void loadAvailablePermissions() {
+        plugins = new ArrayList<>();
+        permissions = new HashMap<>();
+
+        for (Permission permission : Bukkit.getPluginManager().getPermissions()) {
+            loadPermission(permission.getName());
+        }
+    }
+
+    /**
+     * Loads a given permission into the proper lists and maps
+     *
+     * @param permissionName <p>The permission to load</p>
+     */
+    private static void loadPermission(String permissionName) {
+        String[] permissionParts = permissionName.split("\\.");
+        if (permissionParts.length == 1 && !plugins.contains(permissionParts[0])) {
+            plugins.add(permissionParts[0]);
+        } else if (permissionParts.length > 1) {
+            StringJoiner pathJoiner = new StringJoiner(".");
+            for (int j = 0; j < permissionParts.length - 1; j++) {
+                pathJoiner.add(permissionParts[j]);
+            }
+            String path = pathJoiner.toString();
+            List<String> permissionList = permissions.computeIfAbsent(path, k -> new ArrayList<>());
+            permissionList.add(permissionName);
+
+            loadPermission(path);
+        }
+    }
+
     /**
      * Initializes the values available for tab completion
      */
     private static void initializeValues() {
-        ids = new ArrayList<>();
-        ids.add("[Gate]");
-        ids.add("\"[Lift Up]\"");
-        ids.add("\"[Lift Down]\"");
-
-        lines = new ArrayList<>();
-        lines.add("1");
-        lines.add("2");
-        lines.add("3");
-        lines.add("4");
+        names = new ArrayList<>();
+        names.add("sign1");
+        names.add("\"lift up sign\"");
+        names.add("\"lift down sign\"");
 
         costs = new ArrayList<>();
         costs.add("1");

src/main/resources/plugin.yml

@@ -10,7 +10,11 @@ website: https://git.knarcraft.net
 commands:
   addpaidsign:
     description: Used to add a new paid sign
-    usage: /<command> <id (the text to look for)> <line> <cost> [ignore case] [ignore color]
+    usage: /<command> <name> <cost> [permission] [ignore case] [ignore color]
+    permission: paidsigns.add
+  addpaidsigncondition:
+    description: Used to add a new match condition for a paid sign
+    usage: /<command> <name (of a paid sign)> [executeRegEx] [ignoreCase] [ignoreColor]
     permission: paidsigns.add
   removepaidsign:
     description: Used to remove a paid sign