Add stubs for Windows

Relates-to: #929

buildSrc/src/main/kotlin/Targets.kt

@@ -1,6 +1,5 @@
 import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
 import org.jetbrains.kotlin.gradle.kpm.external.ExternalVariantApi
-import org.jetbrains.kotlin.gradle.kpm.external.project
 import org.jetbrains.kotlin.konan.target.HostManager
 
 @OptIn(ExternalVariantApi::class)
@@ -14,10 +13,7 @@ fun KotlinMultiplatformExtension.targets() {
 
     jvm()
 
-    if (project.name != "voice" && project.name != "core-voice") {
-        // https://youtrack.jetbrains.com/issue/KTOR-4080
-        mingwX64()
-    }
+    mingwX64()
 
     js {
         nodejs {

voice/build.gradle.kts

@@ -1,9 +1,26 @@
+import org.jetbrains.kotlin.gradle.ExperimentalKotlinGradlePluginApi
+
 plugins {
     `kord-multiplatform-module`
     `kord-publishing`
 }
 
+@OptIn(ExperimentalKotlinGradlePluginApi::class)
 kotlin {
+    applyDefaultHierarchyTemplate {
+        common {
+            group("ktor") {
+                withJvm()
+                withApple()
+                withLinux()
+            }
+
+            group("nonKtor") {
+                withJs()
+                withMingw()
+            }
+        }
+    }
     jvm {
         withJava()
     }
@@ -18,7 +35,7 @@ kotlin {
             compileOnly(projects.kspAnnotations)
         }
 
-        nonJsMain.dependencies {
+        named("ktorMain").dependencies {
             api(libs.ktor.network)
         }
 

voice/src/commonMain/kotlin/VoiceConnectionBuilder.kt

@@ -25,13 +25,23 @@ import kotlinx.coroutines.flow.first
 import kotlin.time.Duration
 import kotlin.time.Duration.Companion.milliseconds
 
+internal expect val isSupported: Boolean
+
 @KordVoice
 public class VoiceConnectionBuilder(
     public var gateway: Gateway,
     public var selfId: Snowflake,
     public var channelId: Snowflake,
     public var guildId: Snowflake
 ) {
+    init {
+        if(!isSupported) {
+            throw UnsupportedOperationException("""
+                Voice is currently not supported on Windows, if you're developing on Windows we recommend using
+                WSL: https://aka.ms/wsl
+            """.trimIndent())
+        }
+    }
     /**
      * The amount in milliseconds to wait for the events required to create a [VoiceConnection]. Default is 5000, or 5 seconds.
      */

voice/src/jsMain/kotlin/VoiceConnectionBuilder.js.kt

@@ -0,0 +1,3 @@
+package dev.kord.voice
+
+internal actual val isSupported: Boolean = true

voice/src/jsMain/kotlin/udp/VoiceUdpSocket.js.kt

@@ -1,6 +1,5 @@
 package dev.kord.voice.udp
 
-import dev.kord.common.annotation.KordVoice
 import dev.kord.voice.io.ByteArrayView
 import io.ktor.utils.io.core.*
 import js.typedarrays.toUint8Array
@@ -16,12 +15,6 @@ import kotlin.coroutines.resume
 import kotlin.coroutines.resumeWithException
 import kotlin.coroutines.suspendCoroutine
 
-@KordVoice
-public actual data class SocketAddress actual constructor(
-    public actual val hostname: String,
-    public actual val port: Int,
-)
-
 public actual val GlobalVoiceUdpSocket: VoiceUdpSocket = object : VoiceUdpSocket {
     private val socketScope =
         CoroutineScope(Dispatchers.Default + SupervisorJob() + CoroutineName("kord-voice-global-socket"))

voice/src/ktorMain/kotlin/VoiceConnectionBuilder.ktor.kt

@@ -0,0 +1,3 @@
+package dev.kord.voice
+
+internal actual val isSupported: Boolean = true

voice/src/mingwMain/kotlin/VoiceConnectionBuilder.mingw.kt

@@ -0,0 +1,3 @@
+package dev.kord.voice
+
+internal actual val isSupported: Boolean = false

voice/src/mingwMain/kotlin/udp/VoiceUdpSocket.nonJs.kt

@@ -0,0 +1,18 @@
+package dev.kord.voice.udp
+
+import dev.kord.common.annotation.KordVoice
+import dev.kord.voice.io.ByteArrayView
+import io.ktor.utils.io.core.*
+import kotlinx.coroutines.flow.Flow
+
+@KordVoice
+public actual val GlobalVoiceUdpSocket: VoiceUdpSocket = object : VoiceUdpSocket {
+    override fun all(address: SocketAddress): Flow<ByteReadPacket> = unsupported()
+
+    override suspend fun send(address: SocketAddress, packet: ByteArrayView) = unsupported()
+
+    override suspend fun stop() = unsupported()
+}
+
+private fun unsupported(): Nothing = TODO("Voice is not supported on windows")
+

voice/src/nonKtorMain/kotlin/VoiceUdpSocket.js.kt

@@ -0,0 +1,9 @@
+package dev.kord.voice.udp
+
+import dev.kord.common.annotation.KordVoice
+
+@KordVoice
+public actual data class SocketAddress actual constructor(
+    public actual val hostname: String,
+    public actual val port: Int,
+)