Adding actual commands

src/main/kotlin/matterlink/bridge/command/BridgeCommand.kt

@@ -4,7 +4,7 @@ import matterlink.MatterLink
 import matterlink.cfg
 import java.util.regex.Pattern
 
-class BridgeCommand(val name: String, command: (String) -> Boolean) {
+class BridgeCommand(val name: String, command: (String) -> Boolean, val help: String) {
     val execute: (String) -> Boolean = command //return true for success and false for failure
 
     companion object Handler {
@@ -13,8 +13,7 @@ class BridgeCommand(val name: String, command: (String) -> Boolean) {
         fun handleCommand(input: String): Boolean {
             if (input[0] != cfg!!.command.prefix[0] || input.length < 2) return false
 
-            //if you can get it to accept just a char instead of a stupid Pattern that would be great
-            val cmd = input.substring(1).split(Pattern.compile(" "), 2)
+            val cmd = input.substring(1).split(delimiters = ' ', ignoreCase = false, limit = 2)
             val args = if (cmd.size > 1) cmd[1] else ""
 
             return if (commandMap.containsKey(cmd[0])) (commandMap[cmd[0]]!!.execute)(args) else false
@@ -31,5 +30,17 @@ class BridgeCommand(val name: String, command: (String) -> Boolean) {
                 if (!register(cmd)) MatterLink.logger.error("Failed to register command: " + cmd.name)
             }
         }
+
+        fun getHelpString(cmd: String): String {
+            if (!commandMap.containsKey(cmd)) return "No such command."
+
+            val help = commandMap[cmd]!!.help
+
+            return if (help.isNotBlank()) help else "No help for command " + cfg!!.command.prefix + cmd
+        }
+
+        fun listCommands(): String {
+            return commandMap.keys.joinToString(" | ")
+        }
     }
 }

src/main/kotlin/matterlink/bridge/command/Commands.kt

@@ -1,5 +1,6 @@
 package matterlink.bridge.command
 
+import matterlink.antiping
 import matterlink.bridge.ApiMessage
 import matterlink.bridge.MessageHandler
 import matterlink.cfg
@@ -14,7 +15,7 @@ object Commands {
                 var output: String = ""
 
                 for (player: String in FMLCommonHandler.instance().minecraftServerInstance.playerList.onlinePlayerNames) {
-                    output = output + player + " "
+                    output = output + player.antiping() + " "
                 }
 
                 MessageHandler.transmit(ApiMessage(
@@ -23,10 +24,30 @@ object Commands {
                 ))
 
                 return true
-            }
+            },
+            "Lists online players."
+    )
+
+    val help = BridgeCommand(
+            "help",
+            fun(args: String): Boolean {
+                var msg: String
+                if (args.isEmpty()) {
+                    msg = "Available commands: " + BridgeCommand.listCommands()
+                } else {
+                    val cmd = args.split(delimiters = *charArrayOf(' '), ignoreCase = false, limit = 2)[0]
+                    msg = cmd + ": " + BridgeCommand.getHelpString(cmd)
+                }
+                MessageHandler.transmit(ApiMessage(
+                        username = cfg!!.relay.systemUser,
+                        text = msg
+                ))
+                return true
+            },
+            "Returns the help string for the given command. Syntax: help <command>"
     )
 
     fun register() {
-        BridgeCommand.registerAll(listPlayers)
+        BridgeCommand.registerAll(listPlayers, help)
     }
 }