1 files changed, 48 insertions, 0 deletions
diff --git a/Hutch/Networking/NetworkMonitor.swift b/Hutch/Networking/NetworkMonitor.swift
new file mode 100644
index 0000000..4d5d364
--- /dev/null
+++ b/Hutch/Networking/NetworkMonitor.swift
@@ -0,0 +1,48 @@
+import Foundation
+import Network
+
+/// Observes network connectivity using `NWPathMonitor`.
+/// Shared singleton injected into the environment.
+@Observable
+@MainActor
+final class NetworkMonitor {
+
+    private(set) var isConnected = true
+    private(set) var connectionType: ConnectionType = .unknown
+
+    enum ConnectionType: Sendable {
+        case wifi
+        case cellular
+        case wiredEthernet
+        case unknown
+    }
+
+    private let monitor = NWPathMonitor()
+    private let queue = DispatchQueue(label: "net.cleberg.Hutch.NetworkMonitor")
+
+    init() {
+        startMonitoring()
+    }
+
+    private func startMonitoring() {
+        monitor.pathUpdateHandler = { [weak self] path in
+            Task { @MainActor [weak self] in
+                guard let self else { return }
+                self.isConnected = path.status == .satisfied
+                self.connectionType = self.resolveConnectionType(path)
+            }
+        }
+        monitor.start(queue: queue)
+    }
+
+    private nonisolated func resolveConnectionType(_ path: NWPath) -> ConnectionType {
+        if path.usesInterfaceType(.wifi) { return .wifi }
+        if path.usesInterfaceType(.cellular) { return .cellular }
+        if path.usesInterfaceType(.wiredEthernet) { return .wiredEthernet }
+        return .unknown
+    }
+
+    deinit {
+        monitor.cancel()
+    }
+}