import org.graalvm.buildtools.gradle.tasks.BuildNativeImageTask
import org.jetbrains.kotlin.gradle.tasks.KotlinCompile

plugins {
    id("world.phantasmal.jvm")
    kotlin("plugin.serialization")
    application
    id("org.graalvm.buildtools.native") version "0.9.2"
}

version = "0.0.1"

/** Source code generated by the build script goes here. */
val generatedSrc = layout.buildDirectory.get().asFile.resolve("generated-src/main/kotlin")

kotlin {
    sourceSets {
        main {
            kotlin.setSrcDirs(kotlin.srcDirs + generatedSrc)
        }
    }
}

val generateVersionInfo by tasks.registering {
    group = "code generation"

    val packageName = "world.phantasmal.psoserv"
    val outputFile = generatedSrc.resolve("${packageName.replace('.', '/')}/VersionInfo.kt")

    inputs.property("version", version)
    outputs.file(outputFile)

    doLast {
        outputFile.writeText(
            """
            package $packageName

            object VersionInfo {
                val version: String = "$version"
            }
            """.trimIndent()
        )
    }
}

tasks.withType<KotlinCompile>().configureEach {
    dependsOn(generateVersionInfo)
}

val mainClassFqn = "world.phantasmal.psoserv.MainKt"
val nativeAgentOutputDir = layout.buildDirectory.get().asFile.resolve("agent-output")

application {
    mainClass.set(mainClassFqn)
}

val nativeAgentRun by tasks.registering(JavaExec::class) {
    description =
        "Run with the GraalVM native-image-agent to produce reflection info etc. for the nativeBuild task."
    group = "application"

    dependsOn(tasks.build)
    outputs.dir(nativeAgentOutputDir)

    mainClass.set(mainClassFqn)
    classpath = sourceSets.main.get().runtimeClasspath
    jvmArgs = listOf("-agentlib:native-image-agent=config-output-dir=$nativeAgentOutputDir")
    args = listOf(
        "--nostart",
        "--config=graalvm-agent.conf",
    )
}

nativeBuild {
    imageName.set("psoserv")
    mainClass.set(mainClassFqn)
    buildArgs.addAll(
        "--allow-incomplete-classpath",
        "-H:ConfigurationFileDirectories=$nativeAgentOutputDir",
    )
}

tasks.withType<BuildNativeImageTask>().configureEach {
    dependsOn(nativeAgentRun)
    inputs.dir(nativeAgentOutputDir)
}

val serializationVersion: String by project.extra

dependencies {
    implementation(project(":core"))
    implementation(project(":psolib"))
    implementation("org.jetbrains.kotlinx:kotlinx-serialization-hocon:$serializationVersion")
}