import java.util.regex.Pattern

def tryInt = { string ->
    if (string == null) {
        return string
    }
    if (string.isInteger()) {
        return string as Integer
    }
    return string
}

allprojects {
    // Expose the per-object-directory configuration to all projects.
    ext {
        mozconfig = gradle.mozconfig
        topsrcdir = gradle.mozconfig.topsrcdir
        topobjdir = gradle.mozconfig.topobjdir

        compileSdkVersion = tryInt(mozconfig.substs.ANDROID_COMPILE_SDK_VERSION)
        buildToolsVersion = tryInt(mozconfig.substs.ANDROID_BUILD_TOOLS_VERSION)
        targetSdkVersion = tryInt(mozconfig.substs.ANDROID_TARGET_SDK)
        minSdkVersion = tryInt(mozconfig.substs.MOZ_ANDROID_MIN_SDK_VERSION)
        manifestPlaceholders = [
            ANDROID_PACKAGE_NAME: mozconfig.substs.ANDROID_PACKAGE_NAME,
            ANDROID_TARGET_SDK: mozconfig.substs.ANDROID_TARGET_SDK,
            MOZ_ANDROID_MIN_SDK_VERSION: mozconfig.substs.MOZ_ANDROID_MIN_SDK_VERSION,
            MOZ_ANDROID_SHARED_ID: "${mozconfig.substs.ANDROID_PACKAGE_NAME}.sharedID",
        ]
    }

    repositories {
        gradle.mozconfig.substs.GRADLE_MAVEN_REPOSITORIES.each { repository ->
            maven {
                url repository
            }
        }
    }
}

buildDir "${topobjdir}/gradle/build"

buildscript {
    repositories {
        gradle.mozconfig.substs.GRADLE_MAVEN_REPOSITORIES.each { repository ->
            maven {
                url repository
            }
        }
        // For dexcount-gradle-plugin and other in tree plugins.
        maven {
            url "file://${gradle.mozconfig.topsrcdir}/mobile/android/gradle/m2repo"
        }
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:2.1.3'
        classpath('com.stanfy.spoon:spoon-gradle-plugin:1.0.4') {
            // Without these, we get errors linting.
            exclude module: 'guava'
        }
        // Provided in tree.
        classpath 'com.getkeepsafe.dexcount:dexcount-gradle-plugin:0.6.1'
    }
}

task generateCodeAndResources(type:Exec) {
    workingDir "${topobjdir}"

    commandLine mozconfig.substs.GMAKE
    args '-C'
    args "${topobjdir}/mobile/android/base"
    args 'gradle-targets'

    // Only show the output if something went wrong.
    ignoreExitValue = true
    standardOutput = new ByteArrayOutputStream()
    errorOutput = standardOutput
    doLast {
        if (execResult.exitValue != 0) {
            throw new GradleException("Process '${commandLine}' finished with non-zero exit value ${execResult.exitValue}:\n\n${standardOutput.toString()}")
        }
    }
}

// Skip unit test for all build variants, unless if it was specifically requested by user.
// The enabled property for the unit test tasks is reset based on the command line task names just before the task execution.
// I bet there is a easier/cleaner way to do this, but this gets the job done for now.
Pattern pattern = Pattern.compile('.*test(.+UnitTest)?.*')
boolean startTasksIncludeTest = gradle.startParameter.taskNames.any {
    taskName ->
        taskName.matches(pattern)
}
gradle.taskGraph.beforeTask {
    Task task ->
        if (task.name.matches(pattern)) {
            task.enabled = startTasksIncludeTest
        }
}

afterEvaluate {
    subprojects {
        if (!hasProperty('android')) {
            return
        }
        android.applicationVariants.all {
            preBuild.dependsOn rootProject.generateCodeAndResources
        }
        android.libraryVariants.all {
            preBuild.dependsOn rootProject.generateCodeAndResources
        }
    }
}

apply plugin: 'idea'

idea {
    project {
        languageLevel = '1.7'
    }

    module {
        // Object directories take a huge amount of time for IntelliJ to index.
        // Exclude them.  Convention is that object directories start with obj.
        // IntelliJ is clever and will not exclude the parts of the object
        // directory that are referenced, if there are any.  In practice,
        // indexing the entirety of the tree is taking too long, so exclude all
        // but mobile/.
        def topsrcdirURI = file(topsrcdir).toURI()
        excludeDirs += files(file(topsrcdir)
            .listFiles({it.isDirectory()} as FileFilter)
            .collect({topsrcdirURI.relativize(it.toURI()).toString()}) // Relative paths.
            .findAll({!it.equals('mobile/')}))

        // If topobjdir is below topsrcdir, hide only some portions of that tree.
        def topobjdirURI = file(topobjdir).toURI()
        if (!topsrcdirURI.relativize(topobjdirURI).isAbsolute()) {
            excludeDirs -= file(topobjdir)
            excludeDirs += files(file(topobjdir).listFiles())
            excludeDirs -= file("${topobjdir}/gradle")
        }

        if (!mozconfig.substs.MOZ_INSTALL_TRACKING) {
            excludeDirs += file("${topsrcdir}/mobile/android/thirdparty/com/adjust")
        }
    }
}

task wrapper(type: Wrapper) {
}