// use prost_build as _; // Not directly used

fn main() -> Result<(), Box<dyn std::error::Error>> {
    // Configure tonic-prost-build for proto compilation (Tonic 0.14+)
    // Note: Server code enabled for E2E tests (mock gRPC servers)
    tonic_prost_build::configure()
        .build_server(true) // Required for E2E test mock servers
        .build_client(true)
        // Force correct protobuf attributes for all messages
        .type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
        // Suppress warnings in generated code
        .server_mod_attribute(".", "#[allow(unused_qualifications)]")
        .client_mod_attribute(".", "#[allow(unused_qualifications)]")
        // Enable proper protobuf derives
        .protoc_arg("--experimental_allow_proto3_optional")
        .compile_protos(
            &[
                "proto/trading.proto",
                "proto/health.proto",
                "proto/ml.proto",
                "proto/config.proto",
                "proto/ml_training.proto",
                "proto/trading_agent.proto",
            ],
            &["proto"],
        )?;

    // Tell cargo to recompile if proto files change
    println!("cargo:rerun-if-changed=proto/trading.proto");
    println!("cargo:rerun-if-changed=proto/health.proto");
    println!("cargo:rerun-if-changed=proto/ml.proto");
    println!("cargo:rerun-if-changed=proto/config.proto");
    println!("cargo:rerun-if-changed=proto/ml_training.proto");
    println!("cargo:rerun-if-changed=proto/trading_agent.proto");

    Ok(())
}