feat: add remote reboot support

Sources/Views/MainView.swift

@@ -26,6 +26,7 @@ struct MainView: View {
     @State private var refreshTimer: Timer.TimerPublisher?
     @State private var refreshSubscription: AnyCancellable?
     @State private var pingTimer: Timer?
+    @State private var restartingServerID: UUID?
     @State private var lastRefreshInterval: Int?
     @State private var previousServiceStates: [String: String] = [:]
     private let serverOrderKey = MainView.serverOrderKeyStatic
@@ -79,7 +80,15 @@ struct MainView: View {
         } detail: {
             if let selectedServerID,
                let index = servers.firstIndex(where: { selectedServerID == $0.id }) {
-                ServerDetailView(server: $servers[index], isFetching: isFetchingInfo)
+                let serverID = servers[index].id
+                ServerDetailView(
+                    server: $servers[index],
+                    isFetching: isFetchingInfo,
+                    canRestart: servers[index].info?.supportsRestartCommand == true,
+                    isRestarting: restartingServerID == serverID
+                ) {
+                    await restartServer(for: serverID)
+                }
             } else {
                 ContentUnavailableView("No Server Selected", systemImage: "server.rack")
             }
@@ -235,9 +244,6 @@ struct MainView: View {
                 await MainActor.run {
                     servers[index].pingable = pingable
                 }
-                if !pingable {
-                    print("📶 [MainView] Ping \(server.hostname): offline")
-                }
             }
         }
     }
@@ -332,6 +338,87 @@ struct MainView: View {
         let request = UNNotificationRequest(identifier: UUID().uuidString, content: content, trigger: nil)
         UNUserNotificationCenter.current().add(request)
     }
+
+    private func restartServer(for id: UUID) async -> ServerActionFeedback {
+        guard let server = servers.first(where: { $0.id == id }) else {
+            return ServerActionFeedback(
+                title: "Reboot Failed",
+                message: "The selected server could not be found."
+            )
+        }
+
+        guard server.info?.supportsRestartCommand == true else {
+            return ServerActionFeedback(
+                title: "Reboot Unavailable",
+                message: "\(server.hostname) does not support remote reboot via the API."
+            )
+        }
+
+        guard let apiKey = KeychainHelper.loadApiKey(for: server.hostname)?.trimmingCharacters(in: .whitespacesAndNewlines),
+              !apiKey.isEmpty else {
+            return ServerActionFeedback(
+                title: "Reboot Failed",
+                message: "No API key is configured for \(server.hostname)."
+            )
+        }
+
+        guard let baseURL = URL(string: "https://\(server.hostname)") else {
+            return ServerActionFeedback(
+                title: "Reboot Failed",
+                message: "The server URL for \(server.hostname) is invalid."
+            )
+        }
+
+        restartingServerID = id
+        defer { restartingServerID = nil }
+
+        do {
+            let api: AnyServerAPI
+            if let versionString = server.info?.apiVersion,
+               let versionedAPI = APIFactory.createAPI(baseURL: baseURL, versionString: versionString) {
+                api = versionedAPI
+            } else {
+                api = try await APIFactory.detectAndCreateAPI(baseURL: baseURL, apiKey: apiKey)
+            }
+            try await api.restartServer(apiKey: apiKey)
+            PingService.suppressChecks(for: server.hostname, duration: 90)
+
+            return ServerActionFeedback(
+                title: "Reboot Requested",
+                message: "The reboot command was sent to \(server.hostname). The host may become unavailable briefly while it restarts."
+            )
+        } catch let error as URLError where Self.isExpectedRestartDisconnect(error) {
+            PingService.suppressChecks(for: server.hostname, duration: 90)
+            return ServerActionFeedback(
+                title: "Reboot Requested",
+                message: "The reboot command appears to have been accepted by \(server.hostname). The connection dropped while the host was going away, which is expected during a reboot."
+            )
+        } catch APIError.httpError(404, let message) {
+            return ServerActionFeedback(
+                title: "Reboot Unavailable",
+                message: message ?? "\(server.hostname) returned 404 for /api/v2/server/reboot."
+            )
+        } catch {
+            return ServerActionFeedback(
+                title: "Reboot Failed",
+                message: error.localizedDescription
+            )
+        }
+    }
+
+    private static func isExpectedRestartDisconnect(_ error: URLError) -> Bool {
+        switch error.code {
+        case .timedOut,
+             .cannotConnectToHost,
+             .networkConnectionLost,
+             .notConnectedToInternet,
+             .cannotFindHost,
+             .dnsLookupFailed:
+            return true
+        default:
+            return false
+        }
+    }
 }
 
 #Preview {