Serve base files

src/main.rs

@@ -1,3 +1,46 @@
-fn main() {
-    println!("Hello, world!");
+use actix_web::{App, HttpResponse, HttpServer, Responder, web};
+use clap::Parser;
+
+/// Simple swagger UI server - serves OpenAPI file
+#[derive(Parser, Debug)]
+#[clap(author, version, about, long_about = None)]
+struct Args {
+    /// Path to schema to serve
+    #[clap(short, long)]
+    schema: String,
+
+    /// Listen address
+    #[clap(short, long, default_value = "0.0.0.0:8000")]
+    listen_address: String,
 }
+
+#[derive(serde::Deserialize)]
+struct HandlerPath {
+    filename: Option<String>,
+}
+
+async fn handler(path: web::Path<HandlerPath>) -> impl Responder {
+    let filename = path.filename.as_deref().unwrap_or("index.html");
+
+    match swagger_ui::Assets::get(filename) {
+        Some(f) => HttpResponse::Ok().body(f.to_vec()),
+        None => HttpResponse::NotFound().body("404 not found"),
+    }
+}
+
+#[actix_web::main]
+async fn main() -> std::io::Result<()> {
+    let args: Args = Args::parse();
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    log::info!("Will listen on http://{}/", args.listen_address);
+
+    HttpServer::new(|| {
+        App::new()
+            .route("/", web::get().to(handler))
+            .route("/{filename}", web::get().to(handler))
+    })
+        .bind(args.listen_address)?
+        .run()
+        .await
+}