Got 3rd party dependencies working in development mode

plugins/igdb/build.gradle.kts

@@ -3,5 +3,29 @@ plugins {
 }
 
 dependencies {
+    // Kotlin annotation processor
     ksp("care.better.pf4j:pf4j-kotlin-symbol-processing:2.0.20-1.0.1")
+
+    // IGDB API client
+    implementation("io.github.husnjak:igdb-api-jvm:1.2.0")
+
+    compileOnly("org.slf4j:slf4j-api:2.0.16")
+}
+
+tasks.register<Copy>("copyDependencyClasses") {
+    dependsOn(tasks.jar)
+
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+
+    from(configurations.runtimeClasspath.get().map { project.zipTree(it) }) {
+        include("**/*.class")
+    }
+    from("src/main/resources/MANIFEST.MF") {
+        into("META-INF")
+    }
+    into(layout.buildDirectory.get().asFile.resolve("classes/kotlin/main"))
+}
+
+tasks.build {
+    dependsOn("copyDependencyClasses")
 }

plugins/igdb/src/main/kotlin/de/grimsi/gameyfin/plugins/igdb/IgdbPlugin.kt

@@ -1,5 +1,8 @@
 package de.grimsi.gameyfin.plugins.igdb
 
+import com.api.igdb.request.IGDBWrapper
+import com.api.igdb.request.TwitchAuthenticator
+import de.grimsi.gameyfin.pluginapi.core.PluginConfigError
 import de.grimsi.gameyfin.pluginapi.gamemetadata.GameMetadata
 import de.grimsi.gameyfin.pluginapi.gamemetadata.GameMetadataFetcher
 import org.pf4j.Extension
@@ -9,24 +12,39 @@ import java.time.Instant
 
 class IgdbPlugin(wrapper: PluginWrapper) : Plugin(wrapper) {
 
+    companion object {
+        val config: IgdbPluginConfig = IgdbPluginConfig(null, null)
+    }
+
     override fun start() {
-        println("IgdbPlugin.start()")
+        authenticate()
     }
 
     override fun stop() {
-        println("IgdbPlugin.stop()")
+        log.debug("IgdbPlugin.stop()")
+    }
+
+    private fun authenticate() {
+        log.debug("Authenticating on Twitch API...")
+
+        // FIXME: This should be read from the config
+        val clientId = "8nrnjn74x1oa7of2g8sg4voy2lapml"
+        // FIXME: This should be read from the config
+        val clientSecret = "pyrvg3sdduxjg4qxidra9237xj17yn"
+
+        // val clientId: String = config.clientId ?: throw PluginConfigError("Twitch Client ID not set")
+        // val clientSecret: String = config.clientSecret ?: throw PluginConfigError("Twitch Client Secret not set")
+
+        val token = TwitchAuthenticator.requestTwitchToken(clientId, clientSecret)
+            ?: throw PluginConfigError("Failed to authenticate on Twitch API")
+
+        IGDBWrapper.setCredentials(clientId, token.access_token)
+
+        log.debug("Authentication successful")
     }
 
     @Extension
     class IgdbMetadataFetcher : GameMetadataFetcher {
-        override fun getConfig(): Map<String, String> {
-            TODO("Not yet implemented")
-        }
-
-        override fun setConfig(config: Map<String, String>) {
-            TODO("Not yet implemented")
-        }
-
         override fun fetchMetadata(gameId: String): GameMetadata {
             return GameMetadata(
                 title = "Test Game",

plugins/igdb/src/main/kotlin/de/grimsi/gameyfin/plugins/igdb/IgdbPluginConfig.kt

@@ -0,0 +1,6 @@
+package de.grimsi.gameyfin.plugins.igdb
+
+data class IgdbPluginConfig(
+    val clientId: String?,
+    val clientSecret: String?
+)

plugins/igdb/src/main/kotlin/de/grimsi/gameyfin/plugins/igdb/dto/TwitchOAuthTokenDto.kt

@@ -0,0 +1,7 @@
+package de.grimsi.gameyfin.plugins.igdb.dto
+
+data class TwitchOAuthTokenDto(
+    val accessToken: String,
+    val expiresIn: Int,
+    val tokenType: String
+)