// Configures generation of JavaDoc & Dokka artifacts

def platform = platformOf(project)
def coroutines_core = platformLib("kotlinx-coroutines-core", platform)

def makeLinkMapping(dokka, projectDir) {
    dokka.linkMapping {
        def relPath = rootProject.projectDir.toPath().relativize(projectDir.toPath())
        dir = "$projectDir/src/main/kotlin"
        url = "http://github.com/kotlin/kotlinx.coroutines/tree/master/$relPath/src"
        suffix = "#L"
    }
}

if (platform == "jvm") {
    apply plugin: 'org.jetbrains.dokka'

    tasks.withType(dokka.getClass()) {
        jdkVersion = 8
        includes = ['README.md']
    }

    dokka {
        outputFormat = 'kotlin-website'
    }

    if (project.name == coroutines_core) {
        // Custom configuration for MPP modules
        dependencies {
            compileOnly project(":js-stub") // so that JS library reference can resolve properly
        }
        
        dokka {
            kotlinTasks { [] }
            suppressedModifiers = ['actual']
            // map for JS & Common sources
            makeLinkMapping(it, projectDir)
            makeLinkMapping(it, rootProject.file("js/$project.name-js"))
            makeLinkMapping(it, rootProject.file("common/$project.name-common"))
            // source roots
            impliedPlatforms = ['JVM', 'JS']
            sourceRoot {
                path = rootProject.file("core/$project.name/src")
                platforms = ['JVM']
            }
            sourceRoot {
                path = rootProject.file("js/$project.name-js/src")
                platforms = ['JS']
            }
            sourceRoot {
                path = rootProject.file("common/$project.name-common/src")
            }
            // depends on JS & Common, too
            afterEvaluate {
                dependsOn(tasks.getByPath(":$project.name:classes"))
                dependsOn(tasks.getByPath(":$project.name-js:classes"))
                dependsOn(tasks.getByPath(":$project.name-common:classes"))
                dependsOn(project.configurations.compileClasspath)
                classpath = project.configurations.compileClasspath.files + project.sourceSets.main.output.files
            }
        }
    }

    // real xxx-javadoc.jar for JVM
    task dokkaJavadoc(type: dokka.getClass()) {
        outputFormat = 'javadoc'
        outputDirectory = "$buildDir/javadoc"
    }

    task javadocJar(type: Jar, dependsOn: dokkaJavadoc) {
        classifier = 'javadoc'
        from "$buildDir/javadoc"
    }
} else {
    // empty xxx-javadoc.jar for JS and Common modules
    task javadocJar(type: Jar) {
        classifier = 'javadoc'
        from "$buildDir/javadoc" // would not exist
    }
}