fn main() {
    let manifest_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
    let manifest_path = std::path::Path::new(&manifest_dir);

    let lib_path = manifest_path.join("..\\..\\lib\\windows\\amd64");
    println!("cargo:rustc-link-search=native={}", lib_path.display());

    // Vite outputs the Svelte bundle into ../../frontend/dist/client. If the
    // user runs a bare `cargo build -p jarvis-gui` without going through
    // `cargo tauri build`, the beforeBuildCommand in tauri.conf.json never
    // fires and the new release exe ends up bundling whatever stale dist is
    // sitting on disk — including UI states from days ago. Force a rebuild
    // here when any Svelte / TS source under frontend/src changes.
    let frontend = manifest_path.join("..\\..\\frontend");
    let src = frontend.join("src");
    if src.is_dir() {
        println!("cargo:rerun-if-changed={}", src.display());
        println!("cargo:rerun-if-changed={}", frontend.join("package.json").display());

        let npm = if cfg!(target_os = "windows") { "npm.cmd" } else { "npm" };
        let status = std::process::Command::new(npm)
            .arg("run")
            .arg("build")
            .current_dir(&frontend)
            .status();
        match status {
            Ok(s) if s.success() => {
                println!("cargo:warning=jarvis-gui: frontend rebuilt via npm run build");
            }
            Ok(s) => {
                println!("cargo:warning=jarvis-gui: npm run build exited with {}", s);
            }
            Err(e) => {
                println!("cargo:warning=jarvis-gui: npm not found ({}). Bundling existing dist; run `npm install && npm run build` in frontend/ if the UI looks stale.", e);
            }
        }
    }

    tauri_build::build()
}