import groovy.json.JsonOutput

buildscript {
    repositories {
        mavenCentral()
        maven {
            name = "forge"
            url = "http://files.minecraftforge.net/maven"
        }
        maven {
            name = "sponge"
            url = "https://repo.spongepowered.org/maven"
        }
        maven {
            name = "sonatype"
            url = "https://oss.sonatype.org/content/repositories/snapshots/"
        }
    }
    dependencies {
        classpath 'net.minecraftforge.gradle:ForgeGradle:2.3-SNAPSHOT'
        classpath 'org.spongepowered:mixingradle:0.4-SNAPSHOT'
    }
}

apply plugin: 'net.minecraftforge.gradle.forge'
apply plugin: 'org.spongepowered.mixin'

sourceCompatibility = 1.8
targetCompatibility = 1.8

version = gitDescribe()
group= "com.replaymod"
archivesBaseName = "replaymod"

minecraft {
    coreMod = 'com.replaymod.core.LoadingPlugin'
    version = '1.12.1-14.22.0.2444'
    runDir = "eclipse"
    mappings = "snapshot_20170615"
    replace '@MOD_VERSION@', project.version
    // Includes intentional whitespace to stop Forge from declaring the mod to be compatible with
    // a newer srg-compatible MC version (that may be using a different protocol version)
    replace '@MC_VERSION@', "[ ${project.minecraft.version} ]"
}

repositories {
    maven {
        name = "SpongePowered Repo"
        url = "http://repo.spongepowered.org/maven/"
    }
}

configurations {
    shade
    compile.extendsFrom shade
}

dependencies {
    compile 'org.projectlombok:lombok:1.16.4'

    compile 'org.spongepowered:mixin:0.7.5-SNAPSHOT'
    shade 'com.googlecode.mp4parser:isoparser:1.1.7'
    shade 'org.apache.commons:commons-exec:1.3'
    shade 'com.google.apis:google-api-services-youtube:v3-rev178-1.22.0'
    shade 'com.google.api-client:google-api-client-gson:1.20.0'
    shade 'com.google.api-client:google-api-client-java6:1.20.0'
    shade 'com.google.oauth-client:google-oauth-client-jetty:1.20.0'

    shade 'org.aspectj:aspectjrt:1.8.2'

    compile project(':ReplayStudio')

    testCompile 'junit:junit:4.11'
}

tasks['idea'].dependsOn ':ReplayStudio:preshadowJar'

jar {
    duplicatesStrategy = DuplicatesStrategy.EXCLUDE

    dependsOn configurations.compile
    dependsOn configurations.shade
    dependsOn ':ReplayStudio:shadowJar'

    def shade = {files(
            configurations.compile.findAll {it.name.startsWith 'mixin-'}
                    + configurations.shade
                    + getTasks().getByPath(':ReplayStudio:shadowJar').outputs.files
    )}

    def noticeDir = file("$buildDir/NOTICE")
    doFirst {
        noticeDir.deleteDir()
        noticeDir.mkdirs()
        shade().collect { it.isDirectory() ? fileTree(it) : zipTree(it) }.each {
            it.matching { include '**/NOTICE*' }.each {
                new File(noticeDir, 'NOTICE.txt') << it.getText('UTF-8') + '\n'
            }
        }
    }
    from noticeDir

    from ({shade().collect { it.isDirectory() ? it : zipTree(it) }}) {
        exclude '**/NOTICE*'
        // exclude everything taken in from jGui for running the mod in a dev environment
        exclude { new File(file('jGui/src/main/resources'), it.relativePath.pathString).exists() }
        eachFile {
            if (getName() == 'LICENSE.txt') {
                setName(getFile().getParentFile().getName().split('-')[0] + '-LICENSE.txt')
            }
        }
    }

    manifest {
         attributes 'TweakClass': 'org.spongepowered.asm.launch.MixinTweaker',
                 'TweakOrder': '0',
                 'FMLCorePluginContainsFMLMod': 'true',
                 'FMLAT': 'replaymod_at.cfg'
	}
}

def gitDescribe() {
    try {
        def stdout = new ByteArrayOutputStream()
        exec {
            commandLine 'git', 'describe', '--always', '--dirty=*'
            standardOutput = stdout
        }
        return stdout.toString().trim()
    } catch (e) {
        return "unknown"
    }
}

processResources
{
    // this will ensure that this task is redone when the versions change.
    inputs.property "version", project.version
    inputs.property "mcversion", project.minecraft.version

    // replace stuff in mcmod.info, nothing else
    from(sourceSets.main.resources.srcDirs) {
        include 'mcmod.info'

        // replace version and mcversion
        expand 'version': project.version, 'mcversion': project.minecraft.version
    }

    // copy everything else, thats not the mcmod.info
    from(sourceSets.main.resources.srcDirs) {
        exclude 'mcmod.info'
    }
}

sourceSets {
    main {
        // Directly include jGui into main build
        // This could also be done by including it as a gradle subproject, however
        // doing so caused classpath issues on some IntelliJ versions.
        java {
            srcDir 'jGui/src/main/java'
        }
        resources {
            srcDir 'jGui/src/main/resources'
        }
        refMap = "mixins.replaymod.refmap.json"
    }
    integrationTest {
        compileClasspath += main.runtimeClasspath + main.output
        java {
            srcDir file('src/integration-test/java')
        }
        resources.srcDir file('src/integration-test/resources')
    }
}

task copySrg(type: Copy, dependsOn: 'genSrgs') {
    from {project.tasks.genSrgs.mcpToSrg}
    into 'build'
}

setupDecompWorkspace.dependsOn copySrg
setupDevWorkspace.dependsOn copySrg
project.tasks.idea.dependsOn copySrg


import org.objectweb.asm.*

import java.util.zip.ZipEntry
import java.util.zip.ZipFile
import java.util.zip.ZipOutputStream

import static org.objectweb.asm.Opcodes.ASM5

// MC binaries were complied with a java version that produces invalid class files under certain circumstances
// This causes setupCIWorkspace to be insufficient for compiling.
// Related JDK bug: https://bugs.openjdk.java.net/browse/JDK-8066725
// As a workaround, to use setupCIWorkspace on Drone, we modify the bin jar in-place and remove all parameter annotations.
// WARNING: This piece of code ignores any and all gradle conventions and will probably fail horribly when run outside
// of a single-use environment (e.g. Drone). Use setupDecompWorkspace for normal use.
tasks.deobfMcMCP.doLast {
    println "Applying RuntimeInvisibleParameterAnnotations workaround..."
    File jar = getOutJar()
    File tmp = new File((File) getTemporaryDir(), "workaround.jar")
    tmp.withOutputStream {
        new ZipOutputStream(it).withStream { dst ->
            new ZipFile(jar).withCloseable { src ->
                src.entries().each {
                    if (it.name.startsWith("net/minecraft/") && it.name.endsWith(".class")) {
                        def cw = new ClassWriter(0)
                        def cv = new ClassVisitor(ASM5, cw) {
                            @Override
                            MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
                                return new MethodVisitor(ASM5, cv.visitMethod(access, name, desc, signature, exceptions)) {
                                    @Override
                                    AnnotationVisitor visitParameterAnnotation(int parameter, String pdesc, boolean visible) {
                                        return null // Strip all parameter annotations
                                    }
                                }
                            }
                        }
                        new ClassReader(src.getInputStream(it)).accept(cv, 0)
                        dst.putNextEntry(new ZipEntry(it.name))
                        dst.write(cw.toByteArray())
                    } else {
                        dst.putNextEntry(it)
                        dst.write(src.getInputStream(it).bytes)
                    }
                }
            }
        }
    }
    jar.delete()
    tmp.renameTo(jar)
}

task runIntegrationTest(type: JavaExec, dependsOn: ["makeStart", "jar"]) {
    main = 'GradleStart'
    standardOutput = System.out
    errorOutput = System.err
    workingDir file(minecraft.runDir)

    def testDir = new File(minecraft.runDir, "integration-test")
    doFirst {
        testDir.deleteDir()
        testDir.mkdirs()
    }

    doLast {
        testDir.deleteDir()
    }

    afterEvaluate {
        def runClient = tasks.getByName("runClient")
        runIntegrationTest.jvmArgs = runClient.jvmArgs + "-Dfml.noGrab=true"
        runIntegrationTest.args = runClient.args + "--gameDir" + testDir.canonicalPath
        runIntegrationTest.classpath runClient.classpath + sourceSets.integrationTest.output
    }
}

def generateVersionsJson() {
    // List all tags
    def stdout = new ByteArrayOutputStream()
    project.exec {
        commandLine 'git', 'for-each-ref', '--sort=taggerdate', '--format=%(refname:short)', 'refs/tags'
        standardOutput = stdout
    }
    def versions = stdout.toString().tokenize('\n').reverse()
    def mcVersions = versions.collect {it.substring(0, it.indexOf('-'))}.unique().reverse()

    def root = [
            homepage: 'https://www.replaymod.com/download/',
            promos: [:]
    ]
    mcVersions.forEach { mcVersion ->
        def mcVersionRoot = [:]
        def latest
        def recommended
        versions.forEach {
            def (thisMcVersion, modVersion, preVersion) = it.tokenize('-')
            if (thisMcVersion == mcVersion) {
                mcVersionRoot[it] = "See https://github.com/ReplayMod/ReplayMod/releases/$it"
                if (latest == null) latest = it
                if (preVersion == null) {
                    if (recommended == null) recommended = it
                }
            }
        }
        root[mcVersion] = mcVersionRoot
        root.promos[mcVersion + '-latest'] = latest
        if (recommended != null) {
            root.promos[mcVersion + '-recommended'] = recommended
        }
    }
    root
}

task doRelease() {
    doLast {
        // Parse version
        def version = project.releaseVersion as String
        if (project.version.endsWith('*')) {
            throw new InvalidUserDataException('Git working tree is dirty. Make sure to commit all changes.')
        }
        def (mcVersion, modVersion, preVersion) = version.tokenize('-')
        preVersion = preVersion != null && preVersion.startsWith('b') ? preVersion.substring(1) : null

        // Create new tag
        if (preVersion != null) {
            project.exec {
                commandLine 'git', 'tag',
                        '-m', "Pre-release $preVersion of $modVersion for Minecraft $mcVersion",
                        "$mcVersion-$modVersion-b$preVersion"
            }
        } else {
            project.exec {
                commandLine 'git', 'tag',
                        '-m', "Release $modVersion for Minecraft $mcVersion",
                        "$mcVersion-$modVersion"
            }
        }

        // Switch to master branch to update versions.json
        project.exec { commandLine 'git', 'checkout', 'master' }

        // Generate versions.json content
        def versionsRoot = generateVersionsJson()
        def versionsJson = JsonOutput.prettyPrint(JsonOutput.toJson(versionsRoot))

        // Write versions.json
        new File('versions.json').write(versionsJson)

        // Commit changes
        project.exec { commandLine 'git', 'add', 'versions.json' }
        project.exec { commandLine 'git', 'commit', '-m', "Update versions.json for $version" }

        // Return to previous branch
        project.exec { commandLine 'git', 'checkout', '-' }
    }
}

defaultTasks 'build'