LeStorage/LeStorage/NetworkMonitor.swift

//
//  NetworkMonitor.swift
//  LeStorage
//
//  Created by Laurent Morvillier on 25/10/2024.
//

import Network
import Foundation

public class NetworkMonitor {
    
    public static let shared = NetworkMonitor()
    
    private var _monitor: NWPathMonitor
    private var _queue = DispatchQueue(label: "lestorage.queue.network_monitor")
    
    public var isConnected: Bool {
        get {
            return status == .satisfied
        }
    }
    
    private(set) var status: NWPath.Status = .requiresConnection
    
    // Closure to be called when connection is established
    var onConnectionEstablished: (() -> Void)?
    
    private init() {
        _monitor = NWPathMonitor()
        self._startMonitoring()
    }
    
    private func _startMonitoring() {
        _monitor.pathUpdateHandler = { [weak self] path in
            guard let self = self else { return }
            
            // Update status
            self.status = path.status
            
            // Print status for debugging
            Logger.log("Network Status: \(path.status)")
            
            // Handle connection established
            if path.status == .satisfied {
                DispatchQueue.main.async {
                    self.onConnectionEstablished?()
                }
            }
            
        }
        
        self._monitor.start(queue: self._queue)
    }
    
    func stopMonitoring() {
        self._monitor.cancel()
    }
    
}