import java.text.SimpleDateFormat

buildscript {

    repositories {

        maven {
            url "https://plugins.gradle.org/m2/"
        }
        mavenLocal()
        mavenCentral()
    }
}

plugins {
    id 'ru.vyarus.animalsniffer' version '1.4.3'
}

apply from: 'version.gradle'

allprojects {
    apply plugin: 'java'
    apply plugin: 'idea'
    apply plugin: 'eclipse'
    apply plugin: 'checkstyle'

    // animalsniffer
    apply plugin: 'ru.vyarus.animalsniffer'
    dependencies {
        signature "net.sf.androidscents.signature:android-api-level-${pgpainlessMinAndroidSdk}:2.3.1_r2@signature"
    }
    animalsniffer {
        sourceSets = [sourceSets.main]
    }

    // checkstyle
    checkstyle {
        configFile = 'config/checkstyle.xml' as File
        toolVersion = '8.10'
    }

    group 'org.pgpainless'
    description = "Simple to use OpenPGP API for Java based on Bouncycastle"
    version = shortVersion

    sourceCompatibility = javaSourceCompatibility

    repositories {
        mavenCentral()
    }

    ext {
        junitVersion = 4.12
        androidBootClasspath = getAndroidRuntimeJar(pgpainlessMinAndroidSdk)
        rootConfigDir = new File(rootDir, 'config')
        gitCommit = getGitCommit()
        builtDate = (new SimpleDateFormat("yyyy-MM-dd")).format(new Date())
        isReleaseVersion = !isSnapshot
        signingRequired = isReleaseVersion
        sonatypeCredentialsAvailable = project.hasProperty('sonatypeUsername') && project.hasProperty('sonatypePassword')
        sonatypeSnapshotUrl = 'https://oss.sonatype.org/content/repositories/snapshots'
        sonatypeStagingUrl = 'https://oss.sonatype.org/service/local/staging/deploy/maven2'
    }

    if (isSnapshot) {
        version = version + '-SNAPSHOT'
    }

    if (!ext.isSnapshot && !'git describe --exact-match HEAD'.execute().text.trim().equals(ext.shortVersion)) {
        throw new InvalidUserDataException('Untagged version detected! Please tag every release.')
    }
    if (!version.endsWith('-SNAPSHOT') && version != 'git tag --points-at HEAD'.execute().text.trim()) {
        throw new InvalidUserDataException(
                'Tag mismatch detected, version is ' + version + ' but should be ' +
                        'git tag --points-at HEAD'.execute().text.trim())
    }

}

subprojects {
    apply plugin: 'maven'
    apply plugin: 'signing'

    task sourcesJar(type: Jar, dependsOn: classes) {
        classifier = 'sources'
        from sourceSets.main.allSource
    }
    task javadocJar(type: Jar, dependsOn: javadoc) {
        classifier = 'javadoc'
        from javadoc.destinationDir
    }
    task testJar(type: Jar, dependsOn: testClasses) {
        classifier = 'tests'
        from sourceSets.test.output
    }

    artifacts {
        archives sourcesJar
        archives javadocJar
        archives testJar
    }

    uploadArchives {
        repositories {
            mavenDeployer {
                if (signingRequired) {
                    beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }
                }
                repository(url: project.sonatypeStagingUrl) {
                    if (sonatypeCredentialsAvailable) {
                        authentication(userName: sonatypeUsername, password: sonatypePassword)
                    }
                }
                snapshotRepository(url: project.sonatypeSnapshotUrl) {
                    if (sonatypeCredentialsAvailable) {
                        authentication(userName: sonatypeUsername, password: sonatypePassword)
                    }
                }

                pom.project {
                    name 'PGPainless'
                    description 'Simple to use OpenPGP API for Java based on Bouncycastle'
                    url 'https://github.com/pgpainless/pgpainless'
                    inceptionYear '2018'

                    scm {
                        url 'https://github.com/pgpainless/pgpainless'
                        connection 'scm:https://github.com/pgpainless/pgpainless'
                        developerConnection 'scm:git://github.com/pgpainless/pgpainless.git'
                    }

                    licenses {
                        license {
                            name 'The Apache Software License, Version 2.0'
                            url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
                            distribution 'repo'
                        }
                    }

                    developers {
                        developer {
                            id 'vanitasvitae'
                            name 'Paul Schaub'
                            email 'vanitasvitae@fsfe.org'
                        }
                    }
                }
            }
        }
    }

    signing {
        required { signingRequired }
        sign configurations.archives
    }
}

def getAndroidRuntimeJar(androidSdkApiLevel) {
    def androidHome = getAndroidHome()
    def androidJar = new File("$androidHome/platforms/android-$androidSdkApiLevel/android.jar")
    if (androidJar.isFile()) {
        return androidJar
    } else {
        throw new Exception("Can't find android.jar for API level $androidSdkApiLevel at $androidHome/platforms/android-$androidSdkApiLevel/android.jar. Please install corresponding SDK platform package")
    }
}

def getAndroidHome() {
    def androidHomeEnv = System.getenv("ANDROID_HOME")
    if (androidHomeEnv == null) {
        throw new Exception("ANDROID_HOME environment variable is not set")
    }
    def androidHome = new File(androidHomeEnv)
    if (!androidHome.isDirectory()) throw new Exception("Environment variable ANDROID_HOME is not pointing to a directory")
    return androidHome
}

def getGitCommit() {
    def dotGit = new File("$projectDir/.git")
    if (!dotGit.isDirectory()) return 'non-git build'

    def cmd = 'git describe --always --tags --dirty=+'
    def proc = cmd.execute()
    def gitCommit = proc.text.trim()
    assert !gitCommit.isEmpty()

    def srCmd = 'git symbolic-ref --short HEAD'
    def srProc = srCmd.execute()
    srProc.waitForOrKill(10 * 1000)
    if (srProc.exitValue() == 0) {
        // Only add the information if the git command was
        // successful. There may be no symbolic reference for HEAD if
        // e.g. in detached mode.
        def symbolicReference = srProc.text.trim()
        assert !symbolicReference.isEmpty()
        gitCommit += "-$symbolicReference"
    }

    gitCommit
}

task javadocAll(type: Javadoc) {
    source subprojects.collect {project ->
        project.sourceSets.main.allJava }
    destinationDir = new File(buildDir, 'javadoc')
    // Might need a classpath
    classpath = files(subprojects.collect {project ->
        project.sourceSets.main.compileClasspath})
    options.linkSource = true
    options.use = true
    options.links = [
            "https://docs.oracle.com/javase/${sourceCompatibility.getMajorVersion()}/docs/api/",
    ] as String[]
}