// Copyright 2015-present Facebook. All Rights Reserved.

apply plugin: 'com.android.library'
apply plugin: 'maven'

apply plugin: '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 downloadsDir = new File("$buildDir/downloads")
def thirdPartyNdkDir = new File("$buildDir/third-party-ndk")

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

task downloadRealmCore(type: Download) {
    src 'http://static.realm.io/downloads/core/realm-core-android-0.94.4.tar.gz'
    onlyIfNewer true
    overwrite false
    dest new File(downloadsDir, 'realm-core-android-0.94.4.tar.gz')
}

task prepareRealmCore(type:Copy) {
    from tarTree(downloadRealmCore.dest)
    from 'src/main/jni/third-party/realm-core/Android.mk'
    into "$thirdPartyNdkDir/realm-core"
}

task downloadJSCHeaders(type: Download) {
    def jscAPIBaseURL = 'https://svn.webkit.org/repository/webkit/!svn/bc/174650/trunk/Source/JavaScriptCore/API/'
    def jscHeaderFiles = ['JSBase.h', 'JSContextRef.h', 'JSObjectRef.h', 'JSRetainPtr.h', 'JSStringRef.h', 'JSValueRef.h', 'WebKitAvailability.h', 'JavaScriptCore.h', 'JavaScript.h', 'JSStringRefCF.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: downloadJSCHeaders) << {
    copy {
        from zipTree(configurations.compile.fileCollection { dep -> dep.name == 'android-jsc' }.singleFile)
        from {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";
    }
}

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').sdkHandler.getNdkFolder()
    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.proerties, 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], type: Exec) {
    inputs.file('src/main/jni')
    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",
            '-C', file('src/main/jni').absolutePath,
            '-B',
            'NDK_LOG=1',
            '--jobs', Runtime.runtime.availableProcessors(),
            'V=1'
}

task cleanReactNdkLib(type: Exec) {
    commandLine getNdkBuildFullPath(),
            '-C', file('src/main/jni').absolutePath,
            'clean'
}

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

android {
    compileSdkVersion 23
    buildToolsVersion "23.0.1"

    defaultConfig {
        minSdkVersion 16
        targetSdkVersion 22
        versionCode 1
        versionName "1.0"

        ndk {
            moduleName "reactnativejni"
        }

        buildConfigField 'boolean', 'IS_INTERNAL_BUILD', 'false'
    }

    sourceSets.main {
        jni.srcDirs = []
        jniLibs.srcDir "$buildDir/react-ndk/exported"
        res.srcDirs = ['src/main/res/devsupport', 'src/main/res/shell']
    }

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

    clean.dependsOn cleanReactNdkLib

    lintOptions {
        abortOnError false
    }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    compile 'com.android.support:appcompat-v7:23.0.1'
    compile 'com.android.support:recyclerview-v7:23.0.1'
    compile 'com.facebook.fresco:fresco:0.8.1'
    compile 'com.facebook.fresco:imagepipeline-okhttp:0.8.1'
    compile 'com.facebook.stetho:stetho:1.2.0'
    compile 'com.facebook.stetho:stetho-okhttp:1.2.0'
    compile 'com.fasterxml.jackson.core:jackson-core:2.2.3'
    compile 'com.google.code.findbugs:jsr305:3.0.0'
    compile 'com.squareup.okhttp:okhttp:2.5.0'
    compile 'com.squareup.okhttp:okhttp-ws:2.5.0'
    compile 'com.squareup.okio:okio:1.6.0'
    compile 'org.webkit:android-jsc:r174650'
    compile "com.facebook.react:react-native:0.16.+"
    compile 'com.github.KeepSafe:ReLinker:1.1'

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

apply from: 'release.gradle'