import MultipeerConnectivity
import Foundation

@Observable
final class NoteEditingSessionServer: NSObject {
	private let session: MCSession
	private let browser: MCNearbyServiceBrowser
	
	init(username: String) {
		let peer = MCPeerID(displayName: username)
		browser = .init(peer: peer, serviceType: "peered")
		session = .init(peer: peer)
		super.init()
		browser.delegate = self
	}
	
	func startServer() {
		browser.startBrowsingForPeers()
	}
	
	func stopServer() {
		browser.stopBrowsingForPeers()
	}
}

extension NoteEditingSessionServer: MCNearbyServiceBrowserDelegate {
	func browser(
		_ browser: MCNearbyServiceBrowser,
		foundPeer peerID: MCPeerID,
		withDiscoveryInfo info: [String : String]?
	) {
		browser.invitePeer(peerID, to: session, withContext: nil, timeout: 30)
		print("seeing peer \(peerID.displayName)")
	}
	
	func browser(_ browser: MCNearbyServiceBrowser, lostPeer peerID: MCPeerID) {}
}