use cxx_qt_build::{CxxQtBuilder, PluginType, QmlModule};

fn main() {
    // Rust cdylib uses a version script that hides everything not declared
    // `#[no_mangle] pub extern "C"`. cxx-qt's QQmlEngineExtensionPlugin entry
    // points (qt_plugin_instance, qt_plugin_query_metadata_v2) come from
    // compiled C++ and would otherwise be stripped to local visibility, so Qt's
    // plugin loader finds nothing exported. --export-dynamic re-exposes them.
    println!("cargo:rustc-link-arg=-Wl,--export-dynamic");

    // Crane's deps-only build stubs out lib.rs and removes our bridge sources to
    // build a dummy crate that only compiles dependencies. Skip cxx-qt codegen in
    // that case - we just want cxx-qt-lib (the heavy dep) cached, not our own glue.
    let bridge_files = ["src/system_stats.rs", "src/cpu_service.rs"];
    if !bridge_files.iter().all(|p| std::path::Path::new(p).exists()) {
        return;
    }

    CxxQtBuilder::new_qml_module(QmlModule::new("NovaStats").plugin_type(PluginType::Dynamic))
        .files(bridge_files)
        .build();
}