// src/main.rs
use actix_web::{App, HttpServer, Responder, get};
use log::error;
use std::env;

use crate::hwinfo::PhysicalHost;

mod hwinfo;
mod local_presence;

#[get("/inventory")]
async fn inventory() -> impl Responder {
    log::info!("Received inventory request");
    let host = PhysicalHost::gather();
    match host {
        Ok(host) => {
            log::info!("Inventory data gathered successfully");
            actix_web::HttpResponse::Ok().json(host)
        }
        Err(error) => {
            log::error!("Inventory data gathering FAILED");
            actix_web::HttpResponse::InternalServerError().json(error)
        }
    }
}

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    env_logger::init();

    let port = env::var("HARMONY_INVENTORY_AGENT_PORT").unwrap_or_else(|_| "8080".to_string());
    let port = port
        .parse::<u16>()
        .expect(&format!("Invalid port number, cannot parse to u16 {port}"));
    let bind_addr = format!("0.0.0.0:{}", port);

    log::info!("Starting inventory agent on {}", bind_addr);

    if let Err(e) = local_presence::advertise(port) {
        error!("Could not start advertise local presence : {e}");
    }

    HttpServer::new(|| App::new().service(inventory))
        .bind(&bind_addr)?
        .run()
        .await
}