// todo migrate this code to kotlin
import com.google.gson.JsonParser

import java.nio.file.Files
import java.util.stream.Collectors
import java.util.stream.IntStream

// Stolen https://github.com/FabricMC/fabric/blob/1.17/build.gradle
plugins {
    id "java"
    id "maven-publish"
    id "org.ajoberstar.grgit" version "5.2.2"
    id "com.matthewprenger.cursegradle" version "1.4.0" // This repository is archived on GH
    id "com.modrinth.minotaur" version "2.8.7"
    id "fabric-loom" version "1.6-SNAPSHOT" apply false
    id "com.github.ben-manes.versions" version "0.51.0"
    id "xyz.wagyourtail.jvmdowngrader" version "0.7.1"
}

def ENV = System.getenv()

group = "com.viaversion.fabric"
description = "Client-side and server-side ViaVersion implementation for Fabric"
version = "0.4.15+" + ENV.GITHUB_RUN_NUMBER + "-" + getBranch()
logger.lifecycle("Building ViaFabric: $version")

def getBranch() {
    def ENV = System.getenv()
    def branch = "unknown"

    if (ENV.GITHUB_REF) {
        branch = ENV.GITHUB_REF
    } else if (grgit != null) {
        branch = grgit.branch.current().name
    }

    return branch.substring(branch.lastIndexOf("/") + 1)
}

allprojects {
    apply plugin: "maven-publish"
    apply plugin: "fabric-loom"

    java {
        toolchain {
            // lwjgl2 works with Adoptium
            languageVersion = JavaLanguageVersion.of(21)
            vendor = JvmVendorSpec.ADOPTIUM
        }
        withSourcesJar()
    }

    tasks.withType(JavaCompile).configureEach {
        it.options.release.set(8)
    }
    tasks.withType(JavaExec).configureEach {
        it.javaLauncher.set(javaToolchains.launcherFor(java.toolchain))
    }

    version = rootProject.version
    group = rootProject.group

    repositories {
        mavenCentral()
        maven { url = "https://repo.viaversion.com/" }
        maven { url = "https://maven.fabricmc.net/" }
        maven { url = "https://maven.legacyfabric.net/" }
        maven { url = "https://maven.terraformersmc.com/releases/" }
        maven { url = "https://jitpack.io/" }
    }

    dependencies {
        // transitive = false because Guava is conflicting on runClient
        implementation("com.viaversion:viaversion:${rootProject.viaver_version}") { transitive = false }

        modImplementation("net.fabricmc:fabric-loader:${rootProject.loader_version}")
    }

    processResources {
        filesMatching("fabric.mod.json") {
            it.expand(rootProject.properties)
        }
    }
}

subprojects {
    loom {
        runs {
            named("client") {
                client()
                ideConfigGenerated(true)
                runDir("run")
            }
            named("server") {
                server()
                ideConfigGenerated(true)
                runDir("run")
            }
        }
    }

    dependencies {
        implementation(project(path: ":", configuration: "namedElements")) {
            exclude group: "net.fabricmc", module: "fabric-loader" // prevent duplicate fabric-loader on run
        }
    }

    publishing {
        publications {
            mavenJava(MavenPublication) {
                from components.java
            }
        }

        setupRepositories(repositories)
    }
}

publishing {
    publications {
        mavenJava(MavenPublication) {
            from components.java
        }
    }

    setupRepositories(repositories)
}

static void setupRepositories(RepositoryHandler repositories) {
    //repositories.mavenLocal() // uncomment for testing
    def ENV = System.getenv()
    if (ENV.MAVEN_URL) {
        repositories.maven {
            url ENV.MAVEN_URL
            credentials {
                username ENV.MAVEN_USERNAME
                password ENV.MAVEN_PASSWORD
            }
        }
    }
}

subprojects.each {
    rootProject.remapJar.dependsOn("${it.path}:remapJar")
}

configurations {
    includeJ8
}

jvmdg.dg(configurations.includeJ8)

dependencies {
    // dummy version
    minecraft("com.mojang:minecraft:1.14.4")
    mappings("net.fabricmc:yarn:1.14.4+build.18:v2")

    includeJ8("com.viaversion:viaversion:${rootProject.viaver_version}")
    include("com.github.TinfoilMC:ClientCommands:1.1.0")
}

remapJar {
    nestedJars.from configurations.includeJ8
    afterEvaluate {
        subprojects.each {
            nestedJars.from project("${it.path}").tasks.named("remapJar")
        }
    }
}

processResources {
    filesMatching("assets/*/lang/*.lang") {
        HashMap<String, String> langMap = new HashMap<>()
        Files.list(rootProject.file("src/main/resources/assets/viafabric/lang").toPath())
                .filter(path -> path.toString().endsWith(".json"))
                .forEach(path -> {
                    String legacyFile = "\n" + String.join("\n", JsonParser
                            .parseReader(Files.newBufferedReader(path)).asJsonObject.entrySet().stream()
                            .map(entry -> entry.key + "=" + entry.value.asString)
                            .toArray(String[]::new))
                    langMap.put(path.getFileName().toString().replace(".json", ""), legacyFile)
                })
        it.expand(langMap)
    }
}

List<String> mcReleases = Arrays.stream(rootProject.publish_mc_versions.toString().split(","))
        .map({ it -> it.trim() })
        .collect(Collectors.toList())
List<String> javaVersions = IntStream.rangeClosed(8, 22)
        .mapToObj { n -> (String) "Java $n" }
        .collect(Collectors.toList())
String changelogMsg = "A changelog can be found at https://github.com/ViaVersion/ViaFabric/commits"
String versionNameMsg = "[${getBranch()}] ViaFabric " + rootProject.version

curseforge {
    if (ENV.CURSEFORGE_API_KEY) {
        apiKey = ENV.CURSEFORGE_API_KEY
    }

    project {
        id = "391298"
        changelog = changelogMsg
        releaseType = "beta" // alpha is hidden by default

        mcReleases.forEach { ver -> addGameVersion(ver) }
        if (!rootProject.curseforge_mc_snapshot.isEmpty()) addGameVersion(rootProject.curseforge_mc_snapshot)
        javaVersions.forEach(v -> addGameVersion(v))
        addGameVersion("Fabric")

        mainArtifact(remapJar) {
            displayName = versionNameMsg
            relations {
                optionalDependency("fabric-api")
                embeddedLibrary("cotton-client-commands")
            }
        }

        afterEvaluate {
            uploadTask.dependsOn("remapJar")
        }
    }

    options {
        forgeGradleIntegration = false
    }
}

modrinth {
    token.set(ENV.MODRINTH_TOKEN)
    projectId.set("YlKdE5VK")
    versionType.set("alpha")
    versionNumber.set(rootProject.version)
    versionName.set(versionNameMsg)
    changelog.set(changelogMsg)

    uploadFile.set(remapJar)

    List<String> mcs = new ArrayList<>(mcReleases)
    if (!rootProject.modrinth_mc_snapshot.isEmpty()) mcs.add(rootProject.modrinth_mc_snapshot.toString())
    gameVersions.set(mcs)
    loaders.set(["fabric"])

    dependencies {
        optional.project "P7dR8mSH" // fabric api
        embedded.project "P1OZGk5p" // viaversion
    }
}

defaultTasks("clean", "build")