/*
 * Iris is a World Generator for Minecraft Servers
 * Copyright (c) 2026 Arcane Arts (Volmit Software)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
import org.gradle.api.tasks.compile.JavaCompile
import org.gradle.jvm.toolchain.JavaLanguageVersion

plugins {
    id 'java'
    id 'net.fabricmc.fabric-loom' version '1.17.14'
    alias(libs.plugins.shadow)
}

Properties rootProperties = new Properties()
file('../../gradle.properties').withInputStream { InputStream stream -> rootProperties.load(stream) }
String irisVersion = providers.gradleProperty('irisVersion').getOrElse(rootProperties.getProperty('irisVersion', '4.0.0-26.2'))
String minecraftVersion = providers.gradleProperty('minecraftVersion').getOrElse(rootProperties.getProperty('minecraftVersion', '26.2'))
String fabricLoaderVersion = providers.gradleProperty('fabricLoaderVersion').getOrElse(rootProperties.getProperty('fabricLoaderVersion', '0.19.3'))
String volmLibCoordinate = providers.gradleProperty('volmLibCoordinate').getOrElse(rootProperties.getProperty('volmLibCoordinate', 'com.github.VolmitSoftware:VolmLib:5486ac97ad6d6833e27275dc768222d377721522'))
Closure<String> irisArtifactName = { String platform, String targetVersion ->
    return "Iris v${project.version} [${platform}] ${targetVersion}.jar"
}

group = 'art.arcane'
version = irisVersion

java {
    toolchain {
        languageVersion = JavaLanguageVersion.of(25)
    }
}

sourceSets {
    main {
        java {
            srcDir '../modded-common/src/main/java'
            srcDir '../minecraft-common/src/main/java'
            srcDir '../client-common/src/main/java'
        }
        resources {
            srcDir '../modded-common/src/main/resources'
        }
    }
    test {
        java {
            srcDir '../modded-common/src/test/java'
        }
    }
}

repositories {
    mavenCentral()
    maven {
        name = 'FabricMC'
        url = uri('https://maven.fabricmc.net/')
    }
    maven { url = uri('https://repo.codemc.org/repository/maven-public/') }
    maven { url = uri('https://jitpack.io') }
    maven { url = uri('https://hub.spigotmc.org/nexus/content/repositories/snapshots/') }
}

configurations {
    bundle {
        canBeConsumed = false
        canBeResolved = true
    }
    devBundle {
        canBeConsumed = false
        canBeResolved = true
    }
}

configurations.named('bundle').configure {
    exclude(group: 'com.google.code.gson')
    exclude(group: 'com.google.guava')
    exclude(group: 'commons-io')
    exclude(group: 'org.apache.commons', module: 'commons-lang3')
    exclude(group: 'it.unimi.dsi', module: 'fastutil')
    exclude(group: 'org.slf4j')
    exclude(group: 'org.apache.logging.log4j')
    exclude(group: 'de.crazydev22.slimjar.helper')
    exclude(group: 'de.crazydev22.slimjar')
    exclude(group: 'io.github.slimjar')
}

configurations.compileClasspath.extendsFrom(configurations.devBundle)
configurations.runtimeClasspath.extendsFrom(configurations.devBundle)
configurations.testCompileClasspath.extendsFrom(configurations.devBundle)
configurations.testRuntimeClasspath.extendsFrom(configurations.devBundle)

// Jar-in-jar payload: exactly the Fabric API modules declared below, nothing else. Kept
// non-transitive so the bundled set matches the `jars` list in fabric.mod.json one-for-one — a
// transitive pull (fabric-transitive-access-wideners-v1) used to land in META-INF/jars undeclared.
configurations.create('jij') {
    transitive = false
}

dependencies {
    minecraft("com.mojang:minecraft:${minecraftVersion}")
    implementation("net.fabricmc:fabric-loader:${fabricLoaderVersion}")
    testImplementation('junit:junit:4.13.2')
    // registrySync and resourceLoader are LOAD-BEARING despite zero imports anywhere in Iris:
    //   fabric-registry-sync-v0   delays registry freeze past mod init, which is what lets
    //                             IrisFabricBootstrap register the CHUNK_GENERATOR codec in
    //                             onInitialize instead of crashing on a frozen registry.
    //   fabric-resource-loader-v1 is what makes assets/irisworldgen/lang/*.json (and the keybind
    //                             labels) resolve from a mod jar.
    // Removing either one produces a boot crash / silent missing-translation regression, not a
    // compile error. Do not prune them as unused.
    List<Object> fabricApi = [
        libs.fabricApi.base,
        libs.fabricApi.registrySync,
        libs.fabricApi.resourceLoader,
        libs.fabricApi.lifecycleEvents,
        libs.fabricApi.commandApi,
        libs.fabricApi.eventsInteraction,
        libs.fabricApi.networking,
        libs.fabricApi.rendering,
        libs.fabricApi.keyMapping,
        libs.fabricApi.permission
    ]
    fabricApi.each { Object notation ->
        add('jij', notation)
        add('implementation', notation)
    }
    compileOnly('org.slf4j:slf4j-api:2.0.17')
    compileOnly(libs.spigot) {
        transitive = false
    }
    add('bundle', volmLibCoordinate) {
        transitive = false
    }
    add('devBundle', volmLibCoordinate) {
        transitive = false
    }
    add('bundle', libs.zip) {
        transitive = false
    }
    add('devBundle', libs.zip) {
        transitive = false
    }

    List<Object> shared = [
        "art.arcane:core:${irisVersion}".toString(),
        "art.arcane:spi:${irisVersion}".toString(),
        libs.paralithic,
        libs.lru,
        libs.caffeine,
        libs.dom4j,
        libs.jaxen,
        libs.sentry
    ]
    shared.each { Object notation ->
        add('bundle', notation)
        add('devBundle', notation)
    }
}

tasks.named('compileJava', JavaCompile).configure {
    options.encoding = 'UTF-8'
    options.release.set(25)
}

tasks.named('test').configure {
    systemProperty('iris.moddedCommonSources', file('../modded-common/src/main/java').absolutePath)
}

loom {
    accessWidenerPath = file('src/main/resources/irisworldgen.accesswidener')
    runs {
        client {
            runDir(providers.gradleProperty('irisClientRunDir').getOrElse('run'))
            vmArg('-Xmx8G')
        }
        server {
            runDir(providers.gradleProperty('irisServerRunDir').getOrElse('run'))
            String parity = providers.gradleProperty('irisParity').getOrNull()
            if (parity != null) {
                property('iris.parity', parity)
            }
            String parityGolden = providers.gradleProperty('irisParityGolden').getOrNull()
            if (parityGolden != null) {
                property('iris.parity.golden', parityGolden)
            }
            String parityDeep = providers.gradleProperty('irisParityDeep').getOrNull()
            if (parityDeep != null) {
                property('iris.parity.deep', parityDeep)
            }
            String worldCheck = providers.gradleProperty('irisWorldCheck').getOrNull()
            if (worldCheck != null) {
                property('iris.worldcheck', worldCheck)
            }
            vmArg('-Xmx8G')
            programArgs('nogui')
        }
    }
}

processResources {
    inputs.property('version', project.version)
    inputs.property('minecraftVersion', minecraftVersion)
    filesMatching('fabric.mod.json') {
        expand('version': project.version, 'minecraftVersion': minecraftVersion)
    }
}

// META-INF/jars filenames are declared verbatim in the fabric.mod.json `jars[]` array, and Fabric
// loader resolves them by that exact string. Map every bundled module to its declared filename
// instead of stripping the version with a regex: a version containing a '-' silently defeats the
// strip and leaves an undeclared nested jar (which loader then ignores) behind.
Map<String, String> nestedFabricApiJars = [
    'fabric-api-base'            : 'fabric-api-base.jar',
    'fabric-registry-sync-v0'    : 'fabric-registry-sync-v0.jar',
    'fabric-resource-loader-v1'  : 'fabric-resource-loader-v1.jar',
    'fabric-lifecycle-events-v1' : 'fabric-lifecycle-events-v1.jar',
    'fabric-command-api-v2'      : 'fabric-command-api-v2.jar',
    'fabric-events-interaction-v0': 'fabric-events-interaction-v0.jar',
    'fabric-networking-api-v1'   : 'fabric-networking-api-v1.jar',
    'fabric-rendering-v1'        : 'fabric-rendering-v1.jar',
    'fabric-key-mapping-api-v1'  : 'fabric-key-mapping-api-v1.jar',
    'fabric-permission-api-v1'   : 'fabric-permission-api-v1.jar'
]

tasks.named('shadowJar', ShadowJar).configure {
    doFirst {
        delete(fileTree(layout.buildDirectory.dir('libs')) {
            include('Iris v* [Fabric] *.jar')
            include('iris-fabric-*.jar')
        })
        delete(layout.buildDirectory.file("libs/Iris-${project.version}+mc${minecraftVersion}-fabric.jar"))
    }
    archiveFileName.set(irisArtifactName('Fabric', "${minecraftVersion}+${fabricLoaderVersion}"))
    configurations = [project.configurations.named('bundle').get()]
    mergeServiceFiles()
    exclude('META-INF/maven/**')
    exclude('META-INF/proguard/**')
    exclude('META-INF/*.SF')
    exclude('META-INF/*.DSA')
    exclude('META-INF/*.RSA')
    // The only multi-release entry any bundled dependency contributes is an OSGi manifest. Keeping
    // it forces `Multi-Release: true` onto the mod jar, which makes the loaders treat the whole
    // archive as versioned and re-scan it per release directory for nothing.
    exclude('META-INF/versions/**')
    addMultiReleaseAttribute.set(false)
    // Invalid package name on Java 9+ ('enum' is a keyword); a module-path scan chokes on it.
    exclude('org/apache/commons/lang/enum/**')
    // Compile-only annotation carriers. Shipping them duplicates packages other mods also ship.
    exclude('org/jspecify/**')
    exclude('com/google/errorprone/**')
    exclude('com/google/j2objc/**')
    exclude('org/checkerframework/**')
    exclude('org/jetbrains/annotations/**')
    exclude('org/intellij/lang/**')
    // The Bukkit platform binding cannot load without org.bukkit on the classpath, which no mod
    // loader has. Shipping it only adds dead classes that reference a missing package.
    exclude('art/arcane/iris/platform/bukkit/**')
    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
    relocate('org.objectweb.asm', 'art.arcane.iris.shadow.asm')
    relocate('io.sentry', 'art.arcane.iris.shadow.sentry')
    // Split-package guard. A co-installed mod that ships any of these at their original coordinates
    // puts two copies of the same package on one module layer, which the loaders reject at boot
    // (Terra ships paralithic; caffeine and dom4j are common in mod dependency trees). First-party
    // art.arcane.volmlib is deliberately NOT relocated.
    relocate('com.github.benmanes.caffeine', 'art.arcane.iris.shadow.caffeine')
    relocate('com.googlecode.concurrentlinkedhashmap', 'art.arcane.iris.shadow.clhm')
    relocate('com.dfsek.paralithic', 'art.arcane.iris.shadow.paralithic')
    relocate('org.dom4j', 'art.arcane.iris.shadow.dom4j')
    relocate('org.jaxen', 'art.arcane.iris.shadow.jaxen')
    relocate('org.zeroturnaround.zip', 'art.arcane.iris.shadow.ztzip')
    from(project.configurations.named('jij')) {
        into('META-INF/jars')
        rename { String fileName ->
            String module = nestedFabricApiJars.keySet()
                .sort { String key -> -key.length() }
                .find { String key -> fileName.startsWith(key + '-') }
            if (module == null) {
                throw new GradleException("Undeclared Fabric API nested jar: ${fileName}. Add it to "
                    + 'nestedFabricApiJars and to the jars[] array in fabric.mod.json.')
            }

            return nestedFabricApiJars.get(module)
        }
    }
}

// The thin `jar`/`remapJar` outputs carry valid fabric.mod.json metadata but bundle zero
// dependencies. Installing one is an instant NoClassDefFoundError, and they sit in build/libs right
// next to the real artifact. shadowJar is the only shippable Fabric jar.
tasks.named('jar').configure {
    enabled = false
}

tasks.matching { it.name == 'remapJar' }.configureEach {
    enabled = false
}

tasks.named('assemble').configure {
    dependsOn(tasks.named('shadowJar'))
}