use std::path::PathBuf;

fn main() {
    let manifest_directory = PathBuf::from(std::env::var("CARGO_MANIFEST_DIR").unwrap());
    let dialect = manifest_directory.join("definitions/kaptan.xml");
    let config = manifest_directory.join("definitions/kaptan/config.xml");
    let log = manifest_directory.join("definitions/kaptan/log.xml");
    for definition in [&dialect, &config, &log] {
        println!("cargo::rerun-if-changed={}", definition.display());
    }
    println!("cargo::rustc-check-cfg=cfg(kaptan_has_messages)");
    // The upstream generator conditionally emits derives for these optional
    // ecosystem crates. Kaptan deliberately does not expose those incomplete
    // features, so tell rustc the generated inactive cfgs are intentional.
    println!("cargo::rustc-check-cfg=cfg(feature, values(\"serde\", \"arbitrary\", \"ts-rs\"))");
    if std::env::var_os("CARGO_FEATURE_DIALECT_KAPTAN").is_some() {
        let output_directory = std::env::var("OUT_DIR").unwrap();
        let generated = mavlink_bindgen::generate(
            mavlink_bindgen::XmlDefinitions::Files(vec![dialect]),
            output_directory,
        )
        .unwrap();
        mavlink_bindgen::emit_cargo_build_messages(&generated);
        println!("cargo::rustc-cfg=kaptan_has_messages");
    }
}