plugins {
    id("dev.kikugie.stonecutter")
}

// The version whose code is uncommented in src/. Switch with "Set active project to <v>", and run
// "Reset active project" before committing.
stonecutter active "1.21.11"

// src/ uses 1.21.11's Mojang names (the active version). These names changed in the versions given,
// so Stonecutter swaps in each version's name when it processes it.
stonecutter parameters {
    for ((since, old, new) in listOf(
        Triple("1.21.11", "ResourceLocation", "Identifier"),
        Triple("1.21.9", "PlayerRenderer", "AvatarRenderer"),
        Triple("1.21.9", "PlayerRenderState", "AvatarRenderState"),
        Triple("26.1", "GuiGraphics", "GuiGraphicsExtractor"),
        Triple("26.1", "net.minecraft.client.gui.render.state", "net.minecraft.client.renderer.state.gui"),
        // GuiRenderState's methods
        Triple("26.1", "submitGuiElement", "addGuiElement"),
        Triple("26.1", "submitText", "addText"),
        Triple("26.1", "submitItem", "addItem"),
        Triple("26.1", "submitPicturesInPictureState", "addPicturesInPictureState"),
        // 26.3 moves Blaze3D's API to renderpearl
        Triple("26.3", "com.mojang.blaze3d.GpuFormat", "com.mojang.renderpearl.api.GpuFormat"),
        Triple("26.3", "com.mojang.blaze3d.pipeline.RenderPipeline", "com.mojang.renderpearl.api.pipeline.RenderPipeline"),
        Triple("26.3", "com.mojang.blaze3d.textures", "com.mojang.renderpearl.api.textures"),
    )) {
        replacements.regex(eval(current.version, ">=$since")) {
            replace("\\b${Regex.escape(old)}\\b", new, "\\b${Regex.escape(new)}\\b", old)
        }
    }
}

subprojects {
    apply(plugin = "java")

    repositories {
        maven("https://maven.fabricmc.net/")
        maven("https://git.selimaj.dev/api/packages/selimaj-dev/maven")
        maven("https://git.selimaj.dev/api/packages/saturnclientmc/maven")
        mavenCentral()
    }

    dependencies {
        "implementation"("de.javagl:obj:0.4.0")
        "implementation"("com.formdev:svgSalamander:1.1.4")
        "implementation"("com.fasterxml.jackson.core:jackson-databind:2.17.0")
        "implementation"("com.fasterxml.jackson.core:jackson-annotations:2.17.0")
        "implementation"("com.fasterxml.jackson.core:jackson-core:2.17.0")
    }
}

// Every Minecraft version builds on common and ships its resources.
configure(subprojects.filter { it.name != "common" }) {
    dependencies {
        "implementation"(project(":common"))
    }

    extensions.configure<SourceSetContainer> {
        named("main") {
            resources.srcDir(project(":common").file("src/main/resources"))
        }
    }
}

// remapJar loads a whole Minecraft classpath and remaps a ~50 MB jar. Eight at once don't fit in the
// daemon's heap (org.gradle.jvmargs) and the build stalls in garbage collection, so only two run
// together. Everything else still builds in parallel.
abstract class RemapLimit : BuildService<BuildServiceParameters.None>

val remapLimit = gradle.sharedServices.registerIfAbsent("remapLimit", RemapLimit::class) {
    maxParallelUsages = 2
}

subprojects {
    tasks.matching { it.name == "remapJar" }.configureEach {
        usesService(remapLimit)
    }
}

tasks.register("buildAll") {
    group = "build"
    description = "Builds every Minecraft version's mod jar and collects them in build/allJars"

    // The mod jar is remapJar's output for 1.21.x, and jar's for 26.1+, which isn't obfuscated.
    val modJars = subprojects.filter { it.name != "common" }.flatMap { project ->
        val unobfuscated = project.name.substringBefore('.').toInt() >= 26
        val task = if (unobfuscated) "jar" else "remapJar"
        project.tasks.matching { it.name == task }
    }
    dependsOn(modJars)

    doLast {
        val outputDir = layout.buildDirectory.dir("allJars").get().asFile
        outputDir.mkdirs()
        modJars.map { (it as AbstractArchiveTask).archiveFile.get().asFile }
            .filter { it.exists() && !it.name.contains("sources") }
            .forEach { it.copyTo(outputDir.resolve(it.name), overwrite = true) }
        println("All mod jars collected in: $outputDir")
    }
}