use std::fs;
use std::path::Path;

fn main() {
    let dist_dir = Path::new("../frontend/dist");

    println!("cargo:rerun-if-changed=build.rs");

    if let Ok(entries) = fs::read_dir(dist_dir) {
        for entry in entries.flatten() {
            let path = entry.path();
            if path.is_dir() {
                if let Ok(sub_entries) = fs::read_dir(&path) {
                    for sub_entry in sub_entries.flatten() {
                        println!("cargo:rerun-if-changed={}", sub_entry.path().display());
                    }
                }
            } else {
                println!("cargo:rerun-if-changed={}", path.display());
            }
        }
    }
}