plugins {
    id 'java-library'
    id 'maven-publish'

    id 'idea'

    id "com.github.hierynomus.license" version "0.16.1" // Used to ensure that licence headers are applied consistently
    id "com.github.ben-manes.versions" version "0.49.0" // Used to check for new plugin / dependency versions.
}

tasks.withType(JavaCompile).configureEach {
    options.encoding = 'UTF-8'
}

javadoc {
    options.setEncoding 'UTF-8'

    if(JavaVersion.current().isJava9Compatible()) {
        options.addBooleanOption('html5', true)
    }
}

repositories {
    mavenCentral()
}

dependencies {
    implementation 'commons-io:commons-io:2.14.0'
}

sourceSets {
    main {
        java {
            srcDir 'src'
        }
    }
}

java {
    toolchain {
        languageVersion = JavaLanguageVersion.of(11)
    }
}

idea {
    module {
        downloadJavadoc = true
        downloadSources = true
    }
}

compileJava {
    options.compilerArgs << "-Xlint:all"
}

group "de.uni_passau.fim.seibt"

if (System.getenv("GITLAB_CI") != null) {
    tasks.register('sourcesJar', Jar) {
        from sourceSets.main.allJava
        archiveClassifier = 'sources'
    }

    tasks.register('javadocJar', Jar) {
        from javadoc
        archiveClassifier = 'javadoc'
    }

    final CI_COMMIT_TAG = System.getenv('CI_COMMIT_TAG')
    final CI_JOB_MANUAL = System.getenv('CI_JOB_MANUAL') != null

    if (!CI_JOB_MANUAL && CI_COMMIT_TAG != null) {
        // Match tags like '2022.1'
        // If we are not building a manual snapshot the short SHA of the commit being built is used.
        final VERSION_MATCHER = (CI_COMMIT_TAG =~ /[1-9]\d{3,}\.(?:0|[1-9]\d*)/)

        if (VERSION_MATCHER.matches()) {
            project.version = CI_COMMIT_TAG
        } else {
            throw new GradleScriptException('Invalid version tag \'' + CI_COMMIT_TAG + '\'')
        }
    } else {
        project.version = System.getenv('CI_COMMIT_SHORT_SHA')
    }

    publishing {

        publications {
            GitWrapper(MavenPublication) {
                final BASE_ID = 'gitwrapper'

                if (CI_JOB_MANUAL) {
                    artifactId = BASE_ID + '-snapshot'
                } else {
                    artifactId = BASE_ID
                }

                from components.java
                artifact sourcesJar
                artifact javadocJar

                pom {
                    name = 'GitWrapper'
                    description = 'A Java library wrapping system calls to a natively installed git executable.'
                    url = 'https://gitlab.infosun.fim.uni-passau.de/seibt/GitWrapper'
                    licenses {
                        license {
                            name = 'GNU Lesser General Public License V3'
                            url = 'https://www.gnu.org/licenses/lgpl-3.0.de.html'
                        }
                    }
                    developers {
                        developer {
                            id = 'seibt'
                            name = 'Georg Seibt'
                            email = 'seibt@fim.uni-passau.de'
                        }
                    }
                    scm {
                        connection = 'scm:git:https://gitlab.infosun.fim.uni-passau.de/seibt/GitWrapper.git'
                        developerConnection = 'scm:git:ssh://git@gitlab.infosun.fim.uni-passau.de:seibt/GitWrapper.git'
                        url = 'https://gitlab.infosun.fim.uni-passau.de/seibt/GitWrapper'
                    }
                }
            }
        }

        repositories {
            maven {
                name 'GitLab'
                url "${System.getenv('CI_API_V4_URL')}/projects/${System.getenv('CI_PROJECT_ID')}/packages/maven"
                credentials(HttpHeaderCredentials) {
                    name "Job-Token"
                    value System.getenv('CI_JOB_TOKEN')
                }
                authentication {
                    header(HttpHeaderAuthentication)
                }
            }
        }
    }
}

license {
    header = file('LICENSE_HEADER')
    strictCheck = true
}