use std::path::PathBuf;

fn main() {
    let proto_root = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
        .join("../../proto")
        .canonicalize()
        .expect("proto root must exist");

    let proto_files = [
        proto_root.join("continuum/v1/material.proto"),
        proto_root.join("continuum/v1/print_params.proto"),
        proto_root.join("continuum/v1/template.proto"),
        proto_root.join("continuum/v1/print_job.proto"),
    ];

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

    let mut config = prost_build::Config::new();
    config.type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]");
    config.type_attribute(".", "#[serde(rename_all = \"camelCase\")]");

    // prost stores proto3 enums as plain `i32` fields (not the generated
    // enum type), so the blanket type_attribute above never actually runs
    // for `status` - it'd serialize as a bare number, disagreeing with
    // TypeBox's full-name string literals in ts-types. Route the field
    // through PrintJobStatus's own as_str_name()/from_str_name() instead,
    // matching protobuf's own canonical JSON enum representation.
    config.field_attribute(
        ".continuum.v1.PrintJob.status",
        "#[serde(with = \"crate::print_job_status_serde\")]",
    );

    config
        .compile_protos(&proto_files, &[proto_root])
        .expect("failed to compile continuum .proto sources");
}