use std::path::Path;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let proto_dir = Path::new("proto/core");
    let protos: Vec<_> = walkdir::WalkDir::new(proto_dir)
        .into_iter()
        .filter_map(|e| e.ok())
        .filter(|e| e.path().extension().is_some_and(|ext| ext == "proto"))
        .map(|e| e.path().to_owned())
        .collect();

    for proto in &protos {
        println!("cargo:rerun-if-changed={}", proto.display());
    }

    let includes = vec![proto_dir.to_path_buf()];

    tonic_prost_build::configure()
        .build_server(false)
        .build_client(true)
        .compile_protos(&protos, &includes)?;

    Ok(())
}