project.ext.lwjglVersion = "3.2.3"
def osArch = System.getProperty("os.arch")
project.ext.arch = osArch.startsWith("armv8") || osArch.contains("64") ? "x86-64" : "x86"

//switch ( OperatingSystem.current() ) {
//    case OperatingSystem.WINDOWS:
//        project.ext.OS = "windows"
//        break
//    case OperatingSystem.LINUX:
//        project.ext.OS = "linux"
//        break
//    case OperatingSystem.MAC_OS:
//        project.ext.OS = "macos"
//        break
//}
project.ext.OS = "linux"

class LwjglRule implements ComponentMetadataRule { //val os: String, val arch: String, val classifier: String)
    private def nativeVariants = [
            [os: OperatingSystemFamily.LINUX,   arch: "arm32",  classifier: "natives-linux-arm32"],
            [os: OperatingSystemFamily.LINUX,   arch: "arm64",  classifier: "natives-linux-arm64"],
            [os: OperatingSystemFamily.LINUX,   arch: "x86-64", classifier: "natives-linux"],
            [os: OperatingSystemFamily.WINDOWS, arch: "x86",    classifier: "natives-windows-x86"],
            [os: OperatingSystemFamily.WINDOWS, arch: "x86-64", classifier: "natives-windows"],
            [os: OperatingSystemFamily.MACOS,   arch: "x86-64", classifier: "natives-macos"]
    ]

    @javax.inject.Inject
    ObjectFactory getObjects() { }

    void execute(ComponentMetadataContext context) {
        context.details.withVariant("runtime") {
            attributes {
                attributes.attribute(OperatingSystemFamily.OPERATING_SYSTEM_ATTRIBUTE, objects.named(OperatingSystemFamily, "none"))
                attributes.attribute(MachineArchitecture.ARCHITECTURE_ATTRIBUTE, objects.named(MachineArchitecture, "none"))
            }
        }
        nativeVariants.each { variantDefinition ->
            context.details.addVariant("${variantDefinition.classifier}-runtime", "runtime") {
                attributes {
                    attributes.attribute(OperatingSystemFamily.OPERATING_SYSTEM_ATTRIBUTE, objects.named(OperatingSystemFamily, variantDefinition.os))
                    attributes.attribute(MachineArchitecture.ARCHITECTURE_ATTRIBUTE, objects.named(MachineArchitecture, variantDefinition.arch))
                }
                withFiles {
                    addFile("${context.details.id.name}-${context.details.id.version}-${variantDefinition.classifier}.jar")
                }
            }
        }
    }
}