import net.minecraftforge.artifactural.buildscript.JarTransformationTask
import net.minecraftforge.artifactural.buildscript.SoftwareComponentFactoryGrabber
import org.objectweb.asm.Label
import org.objectweb.asm.Opcodes
import org.objectweb.asm.tree.InsnNode
import org.objectweb.asm.tree.MethodInsnNode

plugins {
    id 'java-library'
    id 'maven-publish'
    id 'eclipse'
    id 'org.cadixdev.licenser' version '0.6.1'
    id 'net.minecraftforge.gradleutils' version '2.+'
}

group = 'net.minecraftforge'

version = gradleutils.getTagOffsetVersion()
println('Version: ' + version + ' Java: ' + System.getProperty('java.version') + ' JVM: ' + System.getProperty('java.vm.version') + '(' + System.getProperty('java.vendor') + ') Arch: ' + System.getProperty('os.arch'))

sourceSets {
    api
    shared
    gradlecomp
}

repositories {
    mavenCentral()
    maven {
        url = 'https://maven.minecraftforge.net'
    }
}

configurations {
    sharedImplementation.extendsFrom apiImplementation
    gradlecompImplementation.extendsFrom sharedImplementation

    implementation.extendsFrom sharedImplementation
    implementation.extendsFrom gradlecompImplementation
}

dependencies {
    sharedImplementation sourceSets.api.output

    gradlecompImplementation sourceSets.shared.output
    gradlecompImplementation gradleApi()
    gradlecompImplementation 'com.google.guava:guava:30.1-jre'
    gradlecompImplementation 'net.minecraftforge:unsafe:0.2.0'

    implementation sourceSets.api.output
    implementation sourceSets.shared.output
    implementation sourceSets.gradlecomp.output
}


tasks.withType(JavaCompile).configureEach {
    options.encoding = 'utf-8'
    options.deprecation = true
}

java {
    toolchain.languageVersion = JavaLanguageVersion.of(8)
    withSourcesJar()
}

tasks.register('transformJar', JarTransformationTask) {
    addTransformer('net/minecraftforge/artifactural/gradle/GradleRepositoryAdapter') {
        it.methods.find {
            it.name == '<init>' && it.desc == '(Lnet/minecraftforge/artifactural/api/repository/Repository;Lorg/gradle/api/internal/artifacts/repositories/DefaultMavenLocalArtifactRepository;)V'
        }?.tap {
            it.instructions.find {
                it instanceof InsnNode && it.opcode == Opcodes.ACONST_NULL
            }?.tap(it.instructions.&remove)
            it.instructions.find {
                it instanceof MethodInsnNode && it.owner == 'org/gradle/api/internal/artifacts/repositories/AbstractArtifactRepository' && it.name == '<init>'
            }?.tap { (it as MethodInsnNode).desc = '(Lorg/gradle/api/model/ObjectFactory;)V' }
        }
    }

    addTransformer('net/minecraftforge/artifactural/gradle/GradleRepositoryAdapter$1$1') { clazz ->
        // Gradle [6.1,7.6)
        {
            final method = clazz.visitMethod(Opcodes.ACC_PUBLIC, 'resolveArtifact', '(Lorg/gradle/internal/component/model/ComponentArtifactMetadata;Lorg/gradle/internal/component/model/ModuleSources;Lorg/gradle/internal/resolve/result/BuildableArtifactResolveResult;)V', null, new String[]{})
            final l0 = new Label()
            method.visitLabel(l0)

            method.visitVarInsn(Opcodes.ALOAD, 0)
            method.visitFieldInsn(Opcodes.GETFIELD, 'net/minecraftforge/artifactural/gradle/GradleRepositoryAdapter$1$1', 'val$delegate', 'Lorg/gradle/api/internal/artifacts/ivyservice/ivyresolve/ModuleComponentRepositoryAccess;')
            method.visitVarInsn(Opcodes.ALOAD, 1)
            method.visitVarInsn(Opcodes.ALOAD, 2)
            method.visitVarInsn(Opcodes.ALOAD, 3)
            method.visitMethodInsn(Opcodes.INVOKEINTERFACE, 'org/gradle/api/internal/artifacts/ivyservice/ivyresolve/ModuleComponentRepositoryAccess', 'resolveArtifact', '(Lorg/gradle/internal/component/model/ComponentArtifactMetadata;Lorg/gradle/internal/component/model/ModuleSources;Lorg/gradle/internal/resolve/result/BuildableArtifactResolveResult;)V', true)
            final l1 = new Label()
            method.visitLabel(l1)
            method.visitInsn(Opcodes.RETURN)
            final l2 = new Label()
            method.visitLabel(l2)
            method.visitLocalVariable('this', 'Lnet/minecraftforge/artifactural/gradle/GradleRepositoryAdapter$1$1;', null, l0, l2, 0)
            method.visitLocalVariable('artifact', 'Lorg/gradle/internal/component/model/ComponentArtifactMetadata;', null, l0, l2, 1)
            method.visitLocalVariable('moduleSources', 'Lorg/gradle/internal/component/model/ModuleSources;', null, l0, l2, 2)
            method.visitLocalVariable('result', 'Lorg/gradle/internal/resolve/result/BuildableArtifactResolveResult;', null, l0, l2, 3)
            method.visitEnd()
        }

        // Gradle [6.0,7.6)
        {
            final method = clazz.visitMethod(Opcodes.ACC_PUBLIC, 'resolveArtifacts', '(Lorg/gradle/internal/component/model/ComponentResolveMetadata;Lorg/gradle/internal/component/model/ConfigurationMetadata;Lorg/gradle/internal/resolve/result/BuildableComponentArtifactsResolveResult;)V', null, new String[]{})
            final l0 = new Label()
            method.visitLabel(l0)

            method.visitVarInsn(Opcodes.ALOAD, 0)
            method.visitFieldInsn(Opcodes.GETFIELD, 'net/minecraftforge/artifactural/gradle/GradleRepositoryAdapter$1$1', 'val$delegate', 'Lorg/gradle/api/internal/artifacts/ivyservice/ivyresolve/ModuleComponentRepositoryAccess;')
            method.visitVarInsn(Opcodes.ALOAD, 1)
            method.visitVarInsn(Opcodes.ALOAD, 2)
            method.visitVarInsn(Opcodes.ALOAD, 3)
            method.visitMethodInsn(Opcodes.INVOKEINTERFACE, 'org/gradle/api/internal/artifacts/ivyservice/ivyresolve/ModuleComponentRepositoryAccess', 'resolveArtifacts', '(Lorg/gradle/internal/component/model/ComponentResolveMetadata;Lorg/gradle/internal/component/model/ConfigurationMetadata;Lorg/gradle/internal/resolve/result/BuildableComponentArtifactsResolveResult;)V', true)
            final l1 = new Label()
            method.visitLabel(l1)
            method.visitInsn(Opcodes.RETURN)
            final l2 = new Label()
            method.visitLabel(l2)
            method.visitLocalVariable('this', 'Lnet/minecraftforge/artifactural/gradle/GradleRepositoryAdapter$1$1;', null, l0, l2, 0)
            method.visitLocalVariable('component', 'Lorg/gradle/internal/component/model/ComponentResolveMetadata;', null, l0, l2, 1)
            method.visitLocalVariable('variant', 'Lorg/gradle/internal/component/model/ConfigurationMetadata;', null, l0, l2, 2)
            method.visitLocalVariable('result', 'Lorg/gradle/internal/resolve/result/BuildableComponentArtifactsResolveResult;', null, l0, l2, 3)
            method.visitEnd()
        }

        // Gradle [3.1,6.0) U [7.5,7.6)
        {
            final method = clazz.visitMethod(Opcodes.ACC_PUBLIC, 'resolveArtifacts', '(Lorg/gradle/internal/component/model/ComponentResolveMetadata;Lorg/gradle/internal/resolve/result/BuildableComponentArtifactsResolveResult;)V', null, new String[]{})
            final l0 = new Label()
            method.visitLabel(l0)

            method.visitVarInsn(Opcodes.ALOAD, 0)
            method.visitFieldInsn(Opcodes.GETFIELD, 'net/minecraftforge/artifactural/gradle/GradleRepositoryAdapter$1$1', 'val$delegate', 'Lorg/gradle/api/internal/artifacts/ivyservice/ivyresolve/ModuleComponentRepositoryAccess;')
            method.visitVarInsn(Opcodes.ALOAD, 1)
            method.visitVarInsn(Opcodes.ALOAD, 2)
            method.visitMethodInsn(Opcodes.INVOKEINTERFACE, 'org/gradle/api/internal/artifacts/ivyservice/ivyresolve/ModuleComponentRepositoryAccess', 'resolveArtifacts', '(Lorg/gradle/internal/component/model/ComponentResolveMetadata;Lorg/gradle/internal/resolve/result/BuildableComponentArtifactsResolveResult;)V', true)
            final l1 = new Label()
            method.visitLabel(l1)
            method.visitInsn(Opcodes.RETURN)
            final l2 = new Label()
            method.visitLabel(l2)
            method.visitLocalVariable('this', 'Lnet/minecraftforge/artifactural/gradle/GradleRepositoryAdapter$1$1;', null, l0, l2, 0)
            method.visitLocalVariable('component', 'Lorg/gradle/internal/component/model/ComponentResolveMetadata;', null, l0, l2, 1)
            method.visitLocalVariable('result', 'Lorg/gradle/internal/resolve/result/BuildableComponentArtifactsResolveResult;', null, l0, l2, 3)
            method.visitEnd()
        }
    }

    inputFile = tasks.named('jar').flatMap { it.archiveFile }
    outputFile = project.layout.buildDirectory.dir('libs').flatMap { dir ->
        tasks.named('jar').flatMap { it.archiveFileName }.map { String name -> dir.file(name.substring(0, name.length() - 4) + '-transformed.jar') }
    }
}

jar {
    from sourceSets.api.output
    from sourceSets.shared.output
    from sourceSets.gradlecomp.output
    finalizedBy 'transformJar'
}

sourcesJar {
    from sourceSets.api.allSource
    from sourceSets.shared.allSource
    from sourceSets.gradlecomp.allSource
}

license {
    header = file("$rootDir/LICENSE-header.txt")
}

configurations.runtimeElements.outgoing {
    it.artifacts.removeIf {
        (it.classifier == null || it.classifier.blank) && it.extension == 'jar' // Remove the jar artifact as we want to replace it with the transformed one
    }
    it.artifact(tasks.named('transformJar').flatMap { it.outputFile }) {
        classifier = null
    }
}

final transformed = project.objects.newInstance(SoftwareComponentFactoryGrabber).softwareComponentFactory.adhoc('transformed')
project.components.add(transformed)
transformed.addVariantsFromConfiguration(configurations.runtimeElements) {
    mapToMavenScope 'runtime'
}

publishing {
    publications.create("mavenJava", MavenPublication) {
        from components.transformed
        artifact sourcesJar
        pom {
            groupId = project.group
            version = project.version
            artifactId = project.archivesBaseName
            name = project.archivesBaseName
            packaging = 'jar'
            description = 'A Gradle artifact processing and management tool'
            url = 'https://github.com/MinecraftForge/Artifactural/'

            scm {
                url = 'https://github.com/MinecraftForge/Artifactural/'
                connection = 'scm:git:git://github.com/MinecraftForge/Artifactural.git'
                developerConnection = 'scm:git:git@github.com:MinecraftForge/Artifactural.git'
            }
            issueManagement {
                system = 'github'
                url = 'https://github.com/MinecraftForge/Artifactural/issues'
            }
            licenses {
                license {
                    name = 'LGPL-2.1'
                    url = 'https://www.gnu.org/licenses/lgpl-2.1.txt'
                    distribution = 'repo'
                }
            }
        }
    }
    repositories {
        maven gradleutils.getPublishingForgeMaven()
    }
}

changelog {
    fromTag('3.0')
}