//! Proves AirDrop-style discovery: two engines in DIFFERENT rooms still see each
//! other in nearby() with friendly names (mDNS, no server).
//!   cargo run --example nearby

use std::time::Duration;

use tethercore::{Engine, MessageHandler, Message};

struct Noop;
impl MessageHandler for Noop {
    fn on_message(&self, _m: Message) {}
    fn on_status(&self, _c: bool) {}
    fn on_file(&self, _name: String, _mime: String, _data: Vec<u8>) {}
}

fn main() {
    let dead = "http://127.0.0.1:1".to_string();
    let a = Engine::new(dead.clone(), "room-A".into(), "alpha".into(), "macos".into(), "Patrick's MacBook".into(), "acct-X".into());
    let b = Engine::new(dead, "room-B".into(), "bravo".into(), "ios".into(), "Patrick's iPhone".into(), "acct-X".into());
    a.start(Box::new(Noop));
    b.start(Box::new(Noop));

    eprintln!("browsing mDNS for ~5s…");
    std::thread::sleep(Duration::from_secs(5));

    println!("A.nearby():");
    for p in a.nearby() {
        println!("  • {} [{}] room={}", p.name, p.source, p.room);
    }
    println!("B.nearby():");
    for p in b.nearby() {
        println!("  • {} [{}] room={}", p.name, p.source, p.room);
    }

    let ok = a.nearby().iter().any(|p| p.name == "Patrick's iPhone" && p.room == "room-B")
        && b.nearby().iter().any(|p| p.name == "Patrick's MacBook" && p.room == "room-A");
    println!("{}", if ok { "✅ cross-room discovery by name works" } else { "❌ did not discover" });
    a.stop();
    b.stop();
    if !ok { std::process::exit(1); }
}