// Copyright (c) Facebook, Inc. and its affiliates.

// This source code is licensed under the MIT license found in the
// LICENSE file in the root directory of this source tree.

plugins {
    id("com.android.library")
    id("maven")
    id("de.undercouch.download")
}

import de.undercouch.gradle.tasks.download.Download
import org.apache.tools.ant.taskdefs.condition.Os
import org.apache.tools.ant.filters.ReplaceTokens

// We download various C++ open-source dependencies into downloads.
// We then copy both the downloaded code and our custom makefiles and headers into third-party-ndk.
// After that we build native code from src/main/jni with module path pointing at third-party-ndk.

def customDownloadsDir = System.getenv("REACT_NATIVE_DOWNLOADS_DIR")
def downloadsDir = customDownloadsDir ? new File(customDownloadsDir) : new File("$buildDir/downloads")
def thirdPartyNdkDir = new File("$buildDir/third-party-ndk")

// You need to have following folders in this directory:
//   - boost_1_63_0
//   - double-conversion-1.1.6
//   - folly-deprecate-dynamic-initializer
//   - glog-0.3.5
//   - jsc-headers
def dependenciesPath = System.getenv("REACT_NATIVE_DEPENDENCIES")

// The Boost library is a very large download (>100MB).
// If Boost is already present on your system, define the REACT_NATIVE_BOOST_PATH env variable
// and the build will use that.
def boostPath = dependenciesPath ?: System.getenv("REACT_NATIVE_BOOST_PATH")

task createNativeDepsDirectories {
    downloadsDir.mkdirs()
    thirdPartyNdkDir.mkdirs()
}

task downloadBoost(dependsOn: createNativeDepsDirectories, type: Download) {
    src "https://github.com/react-native-community/boost-for-react-native/releases/download/v${BOOST_VERSION.replace("_", ".")}-0/boost_${BOOST_VERSION}.tar.gz"
    onlyIfNewer true
    overwrite false
    dest new File(downloadsDir, "boost_${BOOST_VERSION}.tar.gz")
}

task prepareBoost(dependsOn: boostPath ? [] : [downloadBoost], type: Copy) {
    from boostPath ?: tarTree(resources.gzip(downloadBoost.dest))
    from 'src/main/jni/third-party/boost/Android.mk'
    include 'Android.mk', "boost_${BOOST_VERSION}/boost/**/*.hpp", 'boost/boost/**/*.hpp'
    includeEmptyDirs = false
    into "$thirdPartyNdkDir/boost"
    doLast {
        file("$thirdPartyNdkDir/boost/boost").renameTo("$thirdPartyNdkDir/boost/boost_${BOOST_VERSION}")
    }
}

task downloadDoubleConversion(dependsOn: createNativeDepsDirectories, type: Download) {
    src "https://github.com/google/double-conversion/archive/v${DOUBLE_CONVERSION_VERSION}.tar.gz"
    onlyIfNewer true
    overwrite false
    dest new File(downloadsDir, "double-conversion-${DOUBLE_CONVERSION_VERSION}.tar.gz")
}

task prepareDoubleConversion(dependsOn: dependenciesPath ? [] : [downloadDoubleConversion], type: Copy) {
    from dependenciesPath ?: tarTree(downloadDoubleConversion.dest)
    from 'src/main/jni/third-party/double-conversion/Android.mk'
    include "double-conversion-${DOUBLE_CONVERSION_VERSION}/src/**/*", 'Android.mk'
    filesMatching('*/src/**/*', {fname -> fname.path = "double-conversion/${fname.name}"})
    includeEmptyDirs = false
    into "$thirdPartyNdkDir/double-conversion"
}

task downloadFolly(dependsOn: createNativeDepsDirectories, type: Download) {
    src "https://github.com/facebook/folly/archive/v${FOLLY_VERSION}.tar.gz"
    onlyIfNewer true
    overwrite false
    dest new File(downloadsDir, "folly-${FOLLY_VERSION}.tar.gz");
}

task prepareFolly(dependsOn: dependenciesPath ? [] : [downloadFolly], type: Copy) {
    from dependenciesPath ?: tarTree(downloadFolly.dest)
    from 'src/main/jni/third-party/folly/Android.mk'
    include "folly-${FOLLY_VERSION}/folly/**/*", 'Android.mk'
    eachFile {fname -> fname.path = (fname.path - "folly-${FOLLY_VERSION}/")}
    includeEmptyDirs = false
    into "$thirdPartyNdkDir/folly"
}

task downloadGlog(dependsOn: createNativeDepsDirectories, type: Download) {
    src "https://github.com/google/glog/archive/v${GLOG_VERSION}.tar.gz"
    onlyIfNewer true
    overwrite false
    dest new File(downloadsDir, "glog-${GLOG_VERSION}.tar.gz")
}

// Prepare glog sources to be compiled, this task will perform steps that normally should've been
// executed by automake. This way we can avoid dependencies on make/automake
task prepareGlog(dependsOn: dependenciesPath ? [] : [downloadGlog], type: Copy) {
    from dependenciesPath ?: tarTree(downloadGlog.dest)
    from 'src/main/jni/third-party/glog/'
    include "glog-${GLOG_VERSION}/src/**/*", 'Android.mk', 'config.h'
    includeEmptyDirs = false
    filesMatching('**/*.h.in') {
        filter(ReplaceTokens, tokens: [
                ac_cv_have_unistd_h: '1',
                ac_cv_have_stdint_h: '1',
                ac_cv_have_systypes_h: '1',
                ac_cv_have_inttypes_h: '1',
                ac_cv_have_libgflags: '0',
                ac_google_start_namespace: 'namespace google {',
                ac_cv_have_uint16_t: '1',
                ac_cv_have_u_int16_t: '1',
                ac_cv_have___uint16: '0',
                ac_google_end_namespace: '}',
                ac_cv_have___builtin_expect: '1',
                ac_google_namespace: 'google',
                ac_cv___attribute___noinline: '__attribute__ ((noinline))',
                ac_cv___attribute___noreturn: '__attribute__ ((noreturn))',
                ac_cv___attribute___printf_4_5: '__attribute__((__format__ (__printf__, 4, 5)))'
        ])
        it.path = (it.name - '.in')
    }
    into "$thirdPartyNdkDir/glog"
}

task downloadJSCHeaders(type: Download) {
    // in sync with webkit SVN revision 174650
    def jscAPIBaseURL = 'https://raw.githubusercontent.com/WebKit/webkit/38b15a3ba3c1b0798f2036f7cea36ffdc096202e/Source/JavaScriptCore/API/'
    def jscHeaderFiles = ['JavaScript.h', 'JSBase.h', 'JSContextRef.h', 'JSObjectRef.h', 'JSRetainPtr.h', 'JSStringRef.h', 'JSValueRef.h', 'WebKitAvailability.h']
    def output = new File(downloadsDir, 'jsc')
    output.mkdirs()
    src(jscHeaderFiles.collect { headerName -> "$jscAPIBaseURL$headerName" })
    onlyIfNewer true
    overwrite false
    dest output
}

// Create Android.mk library module based on so files from mvn + include headers fetched from webkit.org
task prepareJSC(dependsOn: dependenciesPath ? [] : [downloadJSCHeaders]) << {
    copy {
        from zipTree(configurations.compile.fileCollection { dep -> dep.name == 'android-jsc' }.singleFile)
        from dependenciesPath ? "$dependenciesPath/jsc-headers" : {downloadJSCHeaders.dest}
        from 'src/main/jni/third-party/jsc/Android.mk'
        include 'jni/**/*.so', '*.h', 'Android.mk'
        filesMatching('*.h', { fname -> fname.path = "JavaScriptCore/${fname.path}"})
        into "$thirdPartyNdkDir/jsc";
    }
}

task downloadNdkBuildDependencies {
  if (!boostPath) {
    dependsOn downloadBoost
  }
  dependsOn downloadDoubleConversion
  dependsOn downloadFolly
  dependsOn downloadGlog
  dependsOn downloadJSCHeaders
}

def getNdkBuildName() {
    if (Os.isFamily(Os.FAMILY_WINDOWS)) {
        return "ndk-build.cmd"
    } else {
        return "ndk-build"
    }
}

def findNdkBuildFullPath() {
    // we allow to provide full path to ndk-build tool
    if (hasProperty('ndk.command')) {
        return property('ndk.command')
    }
    // or just a path to the containing directory
    if (hasProperty('ndk.path')) {
        def ndkDir = property('ndk.path')
        return new File(ndkDir, getNdkBuildName()).getAbsolutePath()
    }
    if (System.getenv('ANDROID_NDK') != null) {
        def ndkDir = System.getenv('ANDROID_NDK')
        return new File(ndkDir, getNdkBuildName()).getAbsolutePath()
    }
    def ndkDir = android.hasProperty('plugin') ? android.plugin.ndkFolder :
            plugins.getPlugin('com.android.library').hasProperty('sdkHandler') ?
                    plugins.getPlugin('com.android.library').sdkHandler.getNdkFolder() :
                    android.ndkDirectory.absolutePath
    if (ndkDir) {
        return new File(ndkDir, getNdkBuildName()).getAbsolutePath()
    }
    return null
}

def getNdkBuildFullPath() {
    def ndkBuildFullPath = findNdkBuildFullPath()
    if (ndkBuildFullPath == null) {
        throw new GradleScriptException(
            "ndk-build binary cannot be found, check if you've set " +
            "\$ANDROID_NDK environment variable correctly or if ndk.dir is " +
            "setup in local.properties",
            null)
    }
    if (!new File(ndkBuildFullPath).canExecute()) {
        throw new GradleScriptException(
            "ndk-build binary " + ndkBuildFullPath + " doesn't exist or isn't executable.\n" +
            "Check that the \$ANDROID_NDK environment variable, or ndk.dir in local.properties, is set correctly.\n" +
            "(On Windows, make sure you escape backslashes in local.properties or use forward slashes, e.g. C:\\\\ndk or C:/ndk rather than C:\\ndk)",
            null)
    }
    return ndkBuildFullPath
}

task buildReactNdkLib(dependsOn: [prepareJSC, prepareBoost, prepareDoubleConversion, prepareFolly, prepareGlog], type: Exec) {
    inputs.file('src/main/jni/react')
    outputs.dir("$buildDir/react-ndk/all")
    commandLine getNdkBuildFullPath(),
            'NDK_PROJECT_PATH=null',
            "NDK_APPLICATION_MK=$projectDir/src/main/jni/Application.mk",
            'NDK_OUT=' + temporaryDir,
            "NDK_LIBS_OUT=$buildDir/react-ndk/all",
            "THIRD_PARTY_NDK_DIR=$buildDir/third-party-ndk",
            "REACT_COMMON_DIR=$projectDir/../ReactCommon",
            '-C', file('src/main/jni/react/jni').absolutePath,
            '--jobs', project.hasProperty("jobs") ? project.property("jobs") : Runtime.runtime.availableProcessors()
}

task cleanReactNdkLib(type: Exec) {
    commandLine getNdkBuildFullPath(),
            "NDK_APPLICATION_MK=$projectDir/src/main/jni/Application.mk",
            "THIRD_PARTY_NDK_DIR=$buildDir/third-party-ndk",
            "REACT_COMMON_DIR=$projectDir/../ReactCommon",
            '-C', file('src/main/jni/react/jni').absolutePath,
            'clean'
}

task packageReactNdkLibs(dependsOn: buildReactNdkLib, type: Copy) {
    from "$buildDir/react-ndk/all"
    exclude '**/libjsc.so'
    into "$buildDir/react-ndk/exported"
}

task packageReactNdkLibsForBuck(dependsOn: packageReactNdkLibs, type: Copy) {
    from "$buildDir/react-ndk/exported"
    into "src/main/jni/prebuilt/lib"
}

android {
    compileSdkVersion 26
    buildToolsVersion "27.0.3"

    defaultConfig {
        minSdkVersion 16
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"

        consumerProguardFiles 'proguard-rules.pro'

        ndk {
            moduleName "reactnativejni"
        }

        buildConfigField 'boolean', 'IS_INTERNAL_BUILD', 'false'
        buildConfigField 'int', 'EXOPACKAGE_FLAGS', '0'
        testApplicationId "com.facebook.react.tests.gradle"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }

    sourceSets.main {
        jni.srcDirs = []
        jniLibs.srcDir "$buildDir/react-ndk/exported"
        res.srcDirs = ['src/main/res/devsupport', 'src/main/res/shell', 'src/main/res/views/modal', 'src/main/res/views/uimanager']
        java {
            srcDirs = ['src/main/java', 'src/main/libraries/soloader/java', 'src/main/jni/first-party/fb/jni/java']
            exclude 'com/facebook/react/processing'
            exclude 'com/facebook/react/module/processing'
        }
    }

    tasks.withType(JavaCompile) {
        compileTask -> compileTask.dependsOn packageReactNdkLibs
    }

    clean.dependsOn cleanReactNdkLib

    lintOptions {
        abortOnError false
    }
    packagingOptions {
        exclude 'META-INF/NOTICE'
        exclude 'META-INF/LICENSE'
    }
}

dependencies {
    api 'com.facebook.infer.annotation:infer-annotation:0.11.2'
    api 'javax.inject:javax.inject:1'
    api 'com.android.support:appcompat-v7:27.1.1'
    api "com.facebook.fresco:fresco:${FRESCO_VERSION}"
    api "com.facebook.fresco:imagepipeline-okhttp3:${FRESCO_VERSION}"
    api 'com.facebook.soloader:soloader:0.5.1'
    api 'com.google.code.findbugs:jsr305:3.0.2'
    api "com.squareup.okhttp3:okhttp:${OKHTTP_VERSION}"
    api "com.squareup.okhttp3:okhttp-urlconnection:${OKHTTP_VERSION}"
    api 'com.squareup.okio:okio:1.14.0'
    compile 'org.webkit:android-jsc:r174650'

    testImplementation "junit:junit:${JUNIT_VERSION}"
    testImplementation "org.powermock:powermock-api-mockito:${POWERMOCK_VERSION}"
    testImplementation "org.powermock:powermock-module-junit4-rule:${POWERMOCK_VERSION}"
    testImplementation "org.powermock:powermock-classloading-xstream:${POWERMOCK_VERSION}"
    testImplementation "org.mockito:mockito-core:${MOCKITO_CORE_VERSION}"
    testImplementation "org.easytesting:fest-assert-core:${FEST_ASSERT_CORE_VERSION}"
    testImplementation "org.robolectric:robolectric:${ROBOLECTRIC_VERSION}"

    androidTestImplementation fileTree(dir: 'src/main/third-party/java/buck-android-support/', include: ['*.jar'])
    androidTestImplementation 'com.android.support.test:runner:0.3'
    androidTestImplementation "org.mockito:mockito-core:${MOCKITO_CORE_VERSION}"
}

apply from: 'release.gradle'