Extraction of logic being used repeatedly in sealed class hierarchy, use the strname passed into clientmessage.kt

src/main/kotlin/com/shr4pnel/ferretirc/net/messages/ClientMessage.kt

@@ -1,17 +1,22 @@
 package com.shr4pnel.ferretirc.net.messages
 
-import io.ktor.network.selector.SelectorManager
-import kotlinx.coroutines.Dispatchers
+import com.shr4pnel.ferretirc.irc.IRCChannel
 
 /**
  * IRC Messages sent by the client
  */
 sealed class ClientMessage(val strName: String) {
-    abstract fun toWireIntermediate(): String
     fun toWire() = "${toWireIntermediate()}\r\n".encodeToByteArray()
 
-    companion object Util {
-        val selectorManager = SelectorManager(Dispatchers.IO)
+    protected open val params = emptyList<String>()
+    protected open val trailing: String? = null
+
+    fun toWireIntermediate(): String {
+        return buildString {
+            append(strName)
+            params.forEach { append(" $it") }
+            trailing?.let { append(" :$it") }
+        }
     }
 
     class Ping(val token: String? = null) : ClientMessage("PING") {
@@ -21,33 +26,41 @@ sealed class ClientMessage(val strName: String) {
             }
         }
 
-        override fun toWireIntermediate() = "$strName ${token.orEmpty()}"
+        override val params: kotlin.collections.List<String>
+            get() = listOfNotNull(token)
     }
 
     sealed class Cap : ClientMessage("CAP") {
-        val validSubcommands = listOf("LS", "LIST", "REQ", "END")
-
-        override fun toWireIntermediate() = when (this) {
-            is LS -> "CAP LS $version"
-            is REQ -> TODO()
-            is END -> "CAP END"
-            is LIST -> TODO()
+        class LS(val version: Int = 302) : Cap() {
+            override val params: kotlin.collections.List<String>
+                get() = listOf("LS", version.toString())
         }
 
-        class LS(val version: Int = 302) : Cap()
-        class LIST : Cap()
-        class REQ(val version: Int?) : Cap()
-        class END : Cap()
+        class LIST : Cap() {
+            override val params: kotlin.collections.List<String>
+                get() = TODO("IMPLEMENT CAP LIST")
+        }
+
+        class REQ(val version: Int?) : Cap() {
+            override val params: kotlin.collections.List<String>
+                get() = TODO("IMPL CAP REQ")
+        }
+
+        class END : Cap() {
+            override val params: kotlin.collections.List<String>
+                get() = listOf("END")
+        }
     }
 
     class Nick(val nickname: String) : ClientMessage("NICK") {
-        override fun toWireIntermediate() = "NICK $nickname"
-
         init {
             require(nickname.length < 10) { "\"$nickname\" exceeds IRCs maximum nickname length of 9" }
             require(!nickname.startsWith(":") && !nickname.startsWith("#")) { "\"$nickname\" may not begin with : or #" } // TODO THIS SHOULD BLACKLIST ALL PREFIXES NAMED IN CHANTYPES PARAMETER
             require(!nickname.contains(" ")) { "$nickname may not contain a space" }
         }
+
+        override val params: kotlin.collections.List<String>
+            get() = listOf(nickname)
     }
 
     class User(val username: String, val realName: String) : ClientMessage("USER") {
@@ -56,27 +69,37 @@ sealed class ClientMessage(val strName: String) {
             require(username.isNotEmpty()) { "Username may not be blank" }
         }
 
-        override fun toWireIntermediate() = "USER $username 0 * :$realName"
+        override val params: kotlin.collections.List<String>
+            get() = listOf(username, "0", "*")
+
+        override val trailing: String
+            get() = realName
     }
 
     class Pass(val password: String) : ClientMessage("PASS") {
-        override fun toWireIntermediate() = "PASS $password"
+        override val params: kotlin.collections.List<String>
+            get() = listOf(password)
     }
 
-    class Oper(val name: String, val password: String): ClientMessage("OPER") {
-        override fun toWireIntermediate() = "OPER $name $password"
-
+    class Oper(val name: String, val password: String) : ClientMessage("OPER") {
+        override val params: kotlin.collections.List<String>
+            get() = listOf(name, password)
     }
 
-    class Die(): ClientMessage("DIE") {
-        override fun toWireIntermediate() = "DIE"
+    class Die : ClientMessage("DIE")
+
+    class List : ClientMessage("LIST")
+
+    class Join(val channel: IRCChannel) : ClientMessage("JOIN") {
+        override val params: kotlin.collections.List<String>
+            get() = listOf(channel.chanName)
     }
 
-    class List(): ClientMessage("LIST") {
-        override fun toWireIntermediate() = "LIST"
-    }
+    class PrivMsg(val target: IRCChannel, val message: String) : ClientMessage("PRIVMSG") {
+        override val params: kotlin.collections.List<String>
+            get() = listOf(target.chanName) // TODO RPL_ISUPPORT REQUIREMENTS IN FUN EG LINELEN STATUSMSG - ALSO ADD FUCKING STUPID STATUSMSG & SUPPORT FOR MASKS. FUCK ME
 
-    class UNIMPLEMENTED() : ClientMessage("") {
-        override fun toWireIntermediate() = ""
+        override val trailing: String
+            get() = message
     }
 }