use std::{env, path::PathBuf};

fn main() {
    println!(
        "cargo::rustc-link-search=/workspaces/LightSabre/lightsabre_backend/led_driver/lib/bin"
    );

    // Tell cargo to tell rustc to link the RPiLedBars_drivers and logc libraries.
    #[cfg(not(feature = "16channel"))]
    println!("cargo:rustc-link-lib=RpiLedBars_drivers_8ch");
    #[cfg(feature = "16channel")]
    println!("cargo:rustc-link-lib=RpiLedBars_drivers_16ch");
    println!("cargo:rustc-link-lib=logc");

    // The bindgen::Builder is the main entry point to bindgen, and lets you build up options for the resulting bindings.
    let bindings = bindgen::Builder::default()
        // The input header we would like to generate bindings for.
        .header("lib/wrapper.h")
        // Tell cargo to invalidate the built crate whenever any of the included header files changed.
        .parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
        // Finish the builder and generate the bindings.
        .generate()
        // Unwrap the Result and panic on failure.
        .expect("Unable to generate bindings");

    // Write the bindings to the $OUT_DIR/bindings.rs file.
    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
    bindings
        .write_to_file(out_path.join("bindings.rs"))
        .expect("Couldn't write bindings!");
}