apply from: 'app/config.gradle'

buildscript {
    apply from: 'app/config.gradle'

    repositories {
        google()
        mavenCentral()
    }
    dependencies {
        classpath libraries.androidGradlePlugin
        classpath libraries.kotlinGradlePlugin
    }
}

allprojects {
    repositories {
        google()
        mavenCentral()
    }
}

ext {
    supportedAbis = ["armv7", "arm64v8", "x86", "x86_64"]
    supportedTargets = ["release", "debug"]

    // Used by gradle to specify which architecture to build for by default when running `./gradlew build`.
    // This command is usually used by Android Studio.
    // If building manually on the command line, it's recommended to use the
    // `./gradlew generateGodotTemplates` build command instead after running the `scons` command.
    // The defaultAbi must be one of the {supportedAbis} values.
    defaultAbi = "arm64v8"
}

def rootDir = "../../.."
def binDir = "$rootDir/bin/"

def getSconsTaskName(String buildType) {
    return "compileGodotNativeLibs" + buildType.capitalize()
}

/**
 * Copy the generated 'android_debug.apk' binary template into the Godot bin directory.
 * Depends on the app build task to ensure the binary is generated prior to copying.
 */
task copyDebugBinaryToBin(type: Copy) {
    dependsOn ':app:assembleDebug'
    from('app/build/outputs/apk/debug')
    into(binDir)
    include('android_debug.apk')
}

/**
 * Copy the generated 'android_release.apk' binary template into the Godot bin directory.
 * Depends on the app build task to ensure the binary is generated prior to copying.
 */
task copyReleaseBinaryToBin(type: Copy) {
    dependsOn ':app:assembleRelease'
    from('app/build/outputs/apk/release')
    into(binDir)
    include('android_release.apk')
}

/**
 * Copy the Godot android library archive debug file into the app module debug libs directory.
 * Depends on the library build task to ensure the AAR file is generated prior to copying.
 */
task copyDebugAARToAppModule(type: Copy) {
    dependsOn ':lib:assembleDebug'
    from('lib/build/outputs/aar')
    into('app/libs/debug')
    include('godot-lib.debug.aar')
}

/**
 * Copy the Godot android library archive debug file into the root bin directory.
 * Depends on the library build task to ensure the AAR file is generated prior to copying.
 */
task copyDebugAARToBin(type: Copy) {
    dependsOn ':lib:assembleDebug'
    from('lib/build/outputs/aar')
    into(binDir)
    include('godot-lib.debug.aar')
}

/**
 * Copy the Godot android library archive release file into the app module release libs directory.
 * Depends on the library build task to ensure the AAR file is generated prior to copying.
 */
task copyReleaseAARToAppModule(type: Copy) {
    dependsOn ':lib:assembleRelease'
    from('lib/build/outputs/aar')
    into('app/libs/release')
    include('godot-lib.release.aar')
}

/**
 * Copy the Godot android library archive release file into the root bin directory.
 * Depends on the library build task to ensure the AAR file is generated prior to copying.
 */
task copyReleaseAARToBin(type: Copy) {
    dependsOn ':lib:assembleRelease'
    from('lib/build/outputs/aar')
    into(binDir)
    include('godot-lib.release.aar')
}

/**
 * Generate Godot custom build template by zipping the source files from the app directory, as well
 * as the AAR files generated by 'copyDebugAAR' and 'copyReleaseAAR'.
 * The zip file also includes some gradle tools to allow building of the custom build.
 */
task zipCustomBuild(type: Zip) {
    onlyIf { generateGodotTemplates.state.executed || generateDevTemplate.state.executed }
    doFirst {
        logger.lifecycle("Generating Godot custom build template")
    }
    from(fileTree(dir: 'app', excludes: ['**/build/**', '**/.gradle/**', '**/*.iml']), fileTree(dir: '.', includes: ['gradlew', 'gradlew.bat', 'gradle/**']))
    include '**/*'
    archiveFileName = 'android_source.zip'
    destinationDirectory = file(binDir)
}

def templateExcludedBuildTask() {
    // We exclude these gradle tasks so we can run the scons command manually.
    def excludedTasks = []
    for (String buildType : supportedTargets) {
        excludedTasks += ":lib:" + getSconsTaskName(buildType)
    }
    return excludedTasks
}

def templateBuildTasks() {
    def tasks = []

    // Only build the apks and aar files for which we have native shared libraries.
    for (String target : supportedTargets) {
        File targetLibs = new File("lib/libs/" + target)
        if (targetLibs != null
            && targetLibs.isDirectory()
            && targetLibs.listFiles() != null
            && targetLibs.listFiles().length > 0) {
            String capitalizedTarget = target.capitalize()
            // Copy the generated aar library files to the custom build directory.
            tasks += "copy" + capitalizedTarget + "AARToAppModule"
            // Copy the generated aar library files to the bin directory.
            tasks += "copy" + capitalizedTarget + "AARToBin"
            // Copy the prebuilt binary templates to the bin directory.
            tasks += "copy" + capitalizedTarget + "BinaryToBin"
        } else {
            logger.lifecycle("No native shared libs for target $target. Skipping build.")
        }
    }

    return tasks
}

/**
 * Master task used to coordinate the tasks defined above to generate the set of Godot templates.
 */
task generateGodotTemplates(type: GradleBuild) {
    startParameter.excludedTaskNames = templateExcludedBuildTask()
    tasks = templateBuildTasks()

    finalizedBy 'zipCustomBuild'
}

/**
 * Generates the same output as generateGodotTemplates but with dev symbols
 */
task generateDevTemplate (type: GradleBuild) {
    // add parameter to set symbols to true
    startParameter.projectProperties += [doNotStrip: true]

    startParameter.excludedTaskNames = templateExcludedBuildTask()
    tasks = templateBuildTasks()

    finalizedBy 'zipCustomBuild'
}

/**
 * Clean the generated artifacts.
 */
task cleanGodotTemplates(type: Delete) {
    // Delete the generated native libs
    delete("lib/libs")

    // Delete the library generated AAR files
    delete("lib/build/outputs/aar")

    // Delete the app libs directory contents
    delete("app/libs")

    // Delete the generated binary apks
    delete("app/build/outputs/apk")

    // Delete the Godot templates in the Godot bin directory
    delete("$binDir/android_debug.apk")
    delete("$binDir/android_release.apk")
    delete("$binDir/android_source.zip")
    delete("$binDir/godot-lib.debug.aar")
    delete("$binDir/godot-lib.release.aar")

    finalizedBy getTasksByName("clean", true)
}