Add debug viewdebug-view

9 files changed, 545 insertions, 5 deletions

diff --git a/ios/MullvadVPN/Classes/AccessbilityIdentifier.swift b/ios/MullvadVPN/Classes/AccessbilityIdentifier.swift
index 032025e15a..0bfbccaab9 100644
--- a/ios/MullvadVPN/Classes/AccessbilityIdentifier.swift
+++ b/ios/MullvadVPN/Classes/AccessbilityIdentifier.swift
@@ -185,6 +185,7 @@ public enum AccessibilityIdentifier: Equatable {
     case notificationPromptSkipButton
     case notificationPromptEnableButton
     case includeAllNetworksView
+    case debugView
 
     // Other UI elements
     case accessMethodEnableSwitch
diff --git a/ios/MullvadVPN/Classes/AppRoutes.swift b/ios/MullvadVPN/Classes/AppRoutes.swift
index fbccb77554..906dec7993 100644
--- a/ios/MullvadVPN/Classes/AppRoutes.swift
+++ b/ios/MullvadVPN/Classes/AppRoutes.swift
@@ -43,12 +43,17 @@ enum AppRouteGroup: AppRouteGroupProtocol {
      */
     case alert(_ alertId: String)
 
+    /**
+     Debug group.
+     */
+    case debug
+
     var isModal: Bool {
         switch self {
         case .primary:
             return false
 
-        case .selectLocation, .account, .settings, .changelog, .alert:
+        case .selectLocation, .account, .settings, .changelog, .alert, .debug:
             return true
         }
     }
@@ -57,7 +62,7 @@ enum AppRouteGroup: AppRouteGroupProtocol {
         switch self {
         case .primary:
             return 0
-        case .account, .selectLocation, .changelog:
+        case .account, .selectLocation, .changelog, .debug:
             return 1
         case .settings:
             return 2
@@ -133,6 +138,11 @@ enum AppRoute: AppRouteProtocol {
      */
     case tos, login, main, revoked, outOfTime, welcome
 
+    /**
+     Debug view route.
+     */
+    case debug
+
     var isExclusive: Bool {
         switch self {
         case .account, .settings, .alert:
@@ -162,6 +172,8 @@ enum AppRoute: AppRouteProtocol {
             return .settings
         case let .alert(id):
             return .alert(id)
+        case .debug:
+            return .debug
         }
     }
 }
diff --git a/ios/MullvadVPN/Containers/Root/HeaderBarView.swift b/ios/MullvadVPN/Containers/Root/HeaderBarView.swift
index adae341e5d..e7e08b066c 100644
--- a/ios/MullvadVPN/Containers/Root/HeaderBarView.swift
+++ b/ios/MullvadVPN/Containers/Root/HeaderBarView.swift
@@ -12,8 +12,6 @@ class HeaderBarView: UIView {
     private let brandNameImage = UIImage(named: "LogoText")?
         .withTintColor(UIColor.HeaderBar.brandNameColor, renderingMode: .alwaysOriginal)
 
-    private let logoImageView = UIImageView(image: UIImage(named: "LogoIcon"))
-
     private lazy var brandNameImageView: UIImageView = {
         let imageView = UIImageView(image: brandNameImage)
         imageView.contentMode = .scaleAspectFill
@@ -61,6 +59,8 @@ class HeaderBarView: UIView {
         return layer
     }()
 
+    let logoImageView = UIImageView(image: UIImage(named: "LogoIcon"))
+
     let accountButton: UIButton = {
         let button = makeHeaderBarButton(with: UIImage.Buttons.account)
         button.setAccessibilityIdentifier(.accountButton)
diff --git a/ios/MullvadVPN/Containers/Root/RootContainerViewController.swift b/ios/MullvadVPN/Containers/Root/RootContainerViewController.swift
index e735264a29..680e08bbaf 100644
--- a/ios/MullvadVPN/Containers/Root/RootContainerViewController.swift
+++ b/ios/MullvadVPN/Containers/Root/RootContainerViewController.swift
@@ -62,6 +62,11 @@ extension RootContainment {
 }
 
 protocol RootContainerViewControllerDelegate: AnyObject, Sendable {
+    func rootContainerViewControllerShouldShowDebugView(
+        _ controller: RootContainerViewController,
+        animated: Bool
+    )
+
     func rootContainerViewControllerShouldShowAccount(
         _ controller: RootContainerViewController,
         animated: Bool
@@ -293,6 +298,14 @@ class RootContainerViewController: UIViewController {
         updateHeaderBarHiddenFromChildPreferences(animated: UIView.areAnimationsEnabled)
     }
 
+    /// Request to display debug view
+    func showDebugView(animated: Bool) {
+        delegate?.rootContainerViewControllerShouldShowDebugView(
+            self,
+            animated: animated
+        )
+    }
+
     /// Request to display settings controller
     func showAccount(animated: Bool) {
         delegate?.rootContainerViewControllerShouldShowAccount(
@@ -361,6 +374,15 @@ class RootContainerViewController: UIViewController {
         // Prevent automatic layout margins adjustment as we manually control them.
         headerBarView.insetsLayoutMarginsFromSafeArea = false
 
+        #if DEBUG
+            headerBarView.logoImageView.isUserInteractionEnabled = true
+            headerBarView.logoImageView.addGestureRecognizer(
+                UITapGestureRecognizer(
+                    target: self,
+                    action: #selector(handleLogoTap(_:)))
+            )
+        #endif
+
         headerBarView.accountButton.addTarget(
             self,
             action: #selector(handleAccountButtonTap),
@@ -418,6 +440,12 @@ class RootContainerViewController: UIViewController {
         return button
     }
 
+    @objc private func handleLogoTap(_ gestureRecognizer: UIGestureRecognizer) {
+        if gestureRecognizer.state == .ended {
+            showDebugView(animated: true)
+        }
+    }
+
     @objc private func handleAccountButtonTap() {
         showAccount(animated: true)
     }
diff --git a/ios/MullvadVPN/Coordinators/ApplicationCoordinator.swift b/ios/MullvadVPN/Coordinators/ApplicationCoordinator.swift
index 80dbb41d5f..88fcbdfd40 100644
--- a/ios/MullvadVPN/Coordinators/ApplicationCoordinator.swift
+++ b/ios/MullvadVPN/Coordinators/ApplicationCoordinator.swift
@@ -10,6 +10,7 @@ import Combine
 import MullvadREST
 import MullvadSettings
 import MullvadTypes
+import Network
 import Routing
 import UIKit
 
@@ -173,6 +174,8 @@ final class ApplicationCoordinator: Coordinator, Presenting, @preconcurrency Roo
             presentDNSSettings(animated: animated, completion: completion)
         case .ipOverrides:
             presentIPOverride(animated: animated, completion: completion)
+        case .debug:
+            presentDebug(animated: animated, completion: completion)
         }
     }
 
@@ -189,7 +192,7 @@ final class ApplicationCoordinator: Coordinator, Presenting, @preconcurrency Roo
                 completion()
                 context.dismissedRoutes.forEach { $0.coordinator.removeFromParent() }
 
-            case .selectLocation, .account, .settings, .changelog, .alert:
+            case .selectLocation, .account, .settings, .changelog, .alert, .debug:
                 guard let coordinator = dismissedRoute.coordinator as? Presentable else {
                     completion()
                     return assertionFailure("Expected presentable coordinator for \(dismissedRoute.route)")
@@ -819,7 +822,28 @@ final class ApplicationCoordinator: Coordinator, Presenting, @preconcurrency Roo
             animated: true,
             configuration: ModalPresentationConfiguration(modalPresentationStyle: .automatic)
         )
+    }
+
+    private func presentDebug(animated: Bool, completion: @escaping @Sendable (Coordinator) -> Void) {
+        let viewModel = DebugViewModelImpl(
+            tunnelManager: tunnelManager,
+            nwPathMonitor: NWPathMonitor(),
+            appPreferences: appPreferences
+        )
+        let coordinator = DebugCoordinator(
+            navigationController: CustomNavigationController(),
+            viewModel: viewModel
+        )
+
+        coordinator.didFinish = { [weak self] _ in
+            self?.router.dismiss(.debug, animated: true)
+        }
 
+        coordinator.start(animated: animated)
+
+        presentChild(coordinator, animated: animated) {
+            completion(coordinator)
+        }
     }
 
     private func addTunnelObserver() {
@@ -1082,6 +1106,13 @@ final class ApplicationCoordinator: Coordinator, Presenting, @preconcurrency Roo
 
     // MARK: - RootContainerViewControllerDelegate
 
+    func rootContainerViewControllerShouldShowDebugView(
+        _ controller: RootContainerViewController,
+        animated: Bool
+    ) {
+        router.present(.debug, animated: animated)
+    }
+
     func rootContainerViewControllerShouldShowAccount(
         _ controller: RootContainerViewController,
         animated: Bool
diff --git a/ios/MullvadVPN/Debug/DebugCoordinator.swift b/ios/MullvadVPN/Debug/DebugCoordinator.swift
new file mode 100644
index 0000000000..30299b3fc2
--- /dev/null
+++ b/ios/MullvadVPN/Debug/DebugCoordinator.swift
@@ -0,0 +1,45 @@
+//
+//  DebugCoordinator.swift
+//  MullvadVPN
+//
+//  Created by Jon Petersson on 2026-02-27.
+//  Copyright © 2026 Mullvad VPN AB. All rights reserved.
+//
+
+import Routing
+import SwiftUI
+
+class DebugCoordinator: Coordinator, Presentable, Presenting {
+    private let navigationController: UINavigationController
+    private let viewModel: DebugViewModelImpl
+    //    private let alertPresenter: AlertPresenter
+
+    var presentedViewController: UIViewController {
+        navigationController
+    }
+
+    var didFinish: ((DebugCoordinator) -> Void)?
+
+    init(
+        navigationController: UINavigationController,
+        viewModel: DebugViewModelImpl
+    ) {
+        self.navigationController = navigationController
+        self.viewModel = viewModel
+
+        super.init()
+
+        //        alertPresenter = AlertPresenter(context: self)
+    }
+
+    func start(animated: Bool) {
+        let view = DebugView(viewModel: viewModel)
+
+        let host = UIHostingController(rootView: view)
+        host.title = NSLocalizedString("Debug", comment: "")
+        host.view.setAccessibilityIdentifier(.debugView)
+        host.view.backgroundColor = .secondaryColor
+
+        navigationController.pushViewController(host, animated: animated)
+    }
+}
diff --git a/ios/MullvadVPN/Debug/DebugView.swift b/ios/MullvadVPN/Debug/DebugView.swift
new file mode 100644
index 0000000000..8de0299ca8
--- /dev/null
+++ b/ios/MullvadVPN/Debug/DebugView.swift
@@ -0,0 +1,109 @@
+//
+//  DebugView.swift
+//  MullvadVPN
+//
+//  Created by Jon Petersson on 2026-02-27.
+//  Copyright © 2026 Mullvad VPN AB. All rights reserved.
+//
+
+import MullvadSettings
+import SwiftUI
+
+@MainActor
+struct DebugView<ViewModel: DebugViewModel>: View {
+    @ObservedObject var viewModel: ViewModel
+    @State private var alert: MullvadAlert?
+
+    @State private var showRelays: Bool = false
+    @State private var showSettings: Bool = false
+
+    var body: some View {
+        ZStack {
+            ScrollView {
+                VStack(alignment: .leading) {
+                    HStack {
+                        Spacer()
+                    }
+
+                    connection()
+                    settings()
+                }
+                .background(Color.mullvadBackground)
+                Spacer()
+            }
+            .padding(EdgeInsets(UIMetrics.contentLayoutMargins))
+        }
+        .mullvadAlert(item: $alert)
+        .font(.mullvadTiny)
+        .foregroundStyle(Color.mullvadTextPrimary)
+        .background(Color.mullvadBackground)
+
+        Spacer()
+    }
+}
+
+extension DebugView {
+    private func connection() -> some View {
+        VStack {
+            Button {
+                withAnimation {
+                    showRelays.toggle()
+                }
+            } label: {
+                Text("Connection".excludeLocalization)
+                    .font(.mullvadMedium)
+                    .foregroundStyle(Color.mullvadTextSecondary)
+                Spacer()
+            }
+
+            RowSeparator()
+
+            VStack(alignment: .leading) {
+                ForEach(Array(viewModel.connection), id: \.title) { item in
+                    createSection(title: item.title, rows: item.data)
+                }
+            }
+            .showIf(showRelays)
+        }
+    }
+
+    private func settings() -> some View {
+        VStack {
+            Button {
+                withAnimation {
+                    showSettings.toggle()
+                }
+            } label: {
+                Text("Settings".excludeLocalization)
+                    .font(.mullvadMedium)
+                    .foregroundStyle(Color.mullvadTextSecondary)
+                Spacer()
+            }
+
+            RowSeparator()
+
+            VStack(alignment: .leading) {
+                ForEach(Array(viewModel.settings), id: \.title) { item in
+                    createSection(title: item.title, rows: item.data)
+                }
+            }.showIf(showSettings)
+        }
+    }
+
+    private func createSection(title: String, rows: [String]) -> some View {
+        VStack(alignment: .leading) {
+            Text(title)
+                .font(.mullvadSmallSemiBold)
+                .foregroundStyle(Color.mullvadTextSecondary)
+            ForEach(rows, id: \.self) {
+                Text($0)
+            }
+
+            RowSeparator()
+        }
+    }
+}
+
+#Preview {
+    DebugView(viewModel: MockDebugViewModel())
+}
diff --git a/ios/MullvadVPN/Debug/DebugViewModel.swift b/ios/MullvadVPN/Debug/DebugViewModel.swift
new file mode 100644
index 0000000000..e6f4ebd1db
--- /dev/null
+++ b/ios/MullvadVPN/Debug/DebugViewModel.swift
@@ -0,0 +1,301 @@
+//
+//  DebugViewModel.swift
+//  MullvadVPN
+//
+//  Created by Jon Petersson on 2026-02-27.
+//  Copyright © 2026 Mullvad VPN AB. All rights reserved.
+//
+
+import MullvadSettings
+import Network
+import PacketTunnelCore
+import SwiftUI
+
+@MainActor
+protocol DebugViewModel: ObservableObject {
+    typealias Item = (title: String, data: [String])
+
+    var tunnelSettings: LatestTunnelSettings { get }
+    var nwPathStatus: NWPath.Status { get }
+
+    var connection: [Item] { get }
+    var settings: [Item] { get }
+}
+
+class DebugViewModelImpl: DebugViewModel {
+    var tunnelManager: TunnelManager
+    var nwPathMonitor: NWPathMonitor
+    var appPreferences: AppPreferencesDataSource
+    var tunnelObserver: TunnelBlockObserver!
+
+    var tunnelSettings: LatestTunnelSettings
+    var tunnelStatus: TunnelStatus
+    var nwPathStatus = NWPath.Status.unsatisfied
+
+    @Published var connection = [Item]()
+    @Published var settings = [Item]()
+
+    init(
+        tunnelManager: TunnelManager,
+        nwPathMonitor: NWPathMonitor,
+        appPreferences: AppPreferencesDataSource
+    ) {
+        self.tunnelManager = tunnelManager
+        self.nwPathMonitor = nwPathMonitor
+        self.appPreferences = appPreferences
+
+        tunnelSettings = tunnelManager.settings
+        tunnelStatus = tunnelManager.tunnelStatus
+
+        refreshData()
+
+        tunnelObserver = TunnelBlockObserver(
+            didUpdateTunnelStatus: { _, status in
+                self.tunnelStatus = status
+                self.refreshData()
+            },
+            didUpdateDeviceState: { _, _, _ in },
+            didUpdateTunnelSettings: { _, settings in
+                self.tunnelSettings = settings
+                self.refreshData()
+            }
+        )
+        self.tunnelManager.addObserver(tunnelObserver)
+    }
+
+    // Arrange these functions to get the desired section order in the view.
+    private func refreshData() {
+        // Connection
+        setRelays()
+        setObfuscation()
+
+        // Settings
+        setRelaySettings()
+        setMultihopSettings()
+        setDaitaSettings()
+        setObfuscationSettings()
+        setQuantumResistanceSettings()
+        setIncludeAllNetworksSettings()
+        setMullvadDnsBlockers()
+        setCustomDnsBlockers()
+    }
+
+    private func update(item: Item, in list: inout [Item]) {
+        guard let index = (list.firstIndex { $0.title == item.title }) else {
+            list.append(item)
+            return
+        }
+
+        list.remove(at: index)
+        list.insert(item, at: index)
+    }
+}
+
+// MARK: Connection
+
+extension DebugViewModelImpl {
+    private func setRelays() {
+        let entry = tunnelStatus.state.relays?.entry?.debugDescription ?? "-"
+        let exit = tunnelStatus.state.relays?.exit.debugDescription ?? "-"
+
+        update(
+            item: (
+                title: "Relays",
+                data: [
+                    "Entry: \(entry)",
+                    "Exit: \(exit)",
+                ]
+            ), in: &connection
+        )
+    }
+
+    private func setObfuscation() {
+        update(
+            item: (
+                title: "Obfuscation",
+                data: [
+                    tunnelStatus.observedState.connectionState?.obfuscationMethod.description ?? "-"
+                ]
+            ), in: &connection
+        )
+    }
+}
+
+// MARK: Settings
+
+extension DebugViewModelImpl {
+    func setRelaySettings() {
+        let entry = tunnelSettings.relayConstraints.entryLocations.value?.locations.first?.stringRepresentation ?? "-"
+        let exit = tunnelSettings.relayConstraints.exitLocations.value?.locations.first?.stringRepresentation ?? "-"
+
+        update(
+            item: (
+                title: "Relays",
+                data: [
+                    "Entry: \(entry)",
+                    "Exit: \(exit)",
+                ]
+            ), in: &settings
+        )
+    }
+
+    func setMullvadDnsBlockers() {
+        let blockingOptions = tunnelSettings.dnsSettings.blockingOptions
+        var dnsBlockers = [String]()
+
+        if blockingOptions.contains(.blockAdvertising) {
+            dnsBlockers.append("Advertising (\(DNSBlockingOptions.blockAdvertising.serverAddress!))")
+        }
+        if blockingOptions.contains(.blockTracking) {
+            dnsBlockers.append("Tracking (\(DNSBlockingOptions.blockTracking.serverAddress!))")
+        }
+        if blockingOptions.contains(.blockMalware) {
+            dnsBlockers.append("Malware (\(DNSBlockingOptions.blockMalware.serverAddress!))")
+        }
+        if blockingOptions.contains(.blockAdultContent) {
+            dnsBlockers.append("Adult content (\(DNSBlockingOptions.blockAdultContent.serverAddress!))")
+        }
+        if blockingOptions.contains(.blockGambling) {
+            dnsBlockers.append("Gambling (\(DNSBlockingOptions.blockGambling.serverAddress!))")
+        }
+        if blockingOptions.contains(.blockSocialMedia) {
+            dnsBlockers.append("Social media (\(DNSBlockingOptions.blockSocialMedia.serverAddress!))")
+        }
+
+        update(
+            item: (
+                title: "Mullvad DNS blockers",
+                data: dnsBlockers.isEmpty ? ["-"] : dnsBlockers
+            ), in: &settings
+        )
+    }
+
+    func setCustomDnsBlockers() {
+        let customAddresses = tunnelSettings.dnsSettings.customDNSDomains.map { $0.debugDescription }
+
+        update(
+            item: (
+                title: "Custom DNS blockers",
+                data: customAddresses.isEmpty ? ["-"] : customAddresses
+            ), in: &settings
+        )
+    }
+
+    func setObfuscationSettings() {
+        let method = tunnelSettings.wireGuardObfuscation.state.description
+        let udpTcpPort = tunnelSettings.wireGuardObfuscation.udpOverTcpPort.description
+        let shadowSocksPort = tunnelSettings.wireGuardObfuscation.shadowsocksPort.description
+
+        update(
+            item: (
+                title: "Obfuscation",
+                data: [
+                    "Method: \(method)",
+                    "UDP over TCP port: \(udpTcpPort)",
+                    "Shadowsocks port: \(shadowSocksPort)",
+                ]
+            ), in: &settings
+        )
+    }
+
+    func setQuantumResistanceSettings() {
+        update(
+            item: (
+                title: "Quantum resistance",
+                data: [
+                    tunnelSettings.tunnelQuantumResistance.isEnabled ? "Enabled" : "Disabled"
+                ]
+            ), in: &settings
+        )
+    }
+
+    func setMultihopSettings() {
+        update(
+            item: (
+                title: "Multihop",
+                data: [
+                    tunnelSettings.tunnelMultihopState.isEnabled ? "Enabled" : "Disabled"
+                ]
+            ), in: &settings
+        )
+    }
+
+    func setDaitaSettings() {
+        let daitaIsEnabled = tunnelSettings.daita.daitaState.isEnabled ? "Enabled" : "Disabled"
+        let directOnlyIsEnabled = tunnelSettings.daita.directOnlyState.isEnabled ? "Enabled" : "Disabled"
+
+        update(
+            item: (
+                title: "DAITA",
+                data: [
+                    "DAITA: \(daitaIsEnabled)",
+                    "Direct only: \(directOnlyIsEnabled)",
+                ]
+            ), in: &settings
+        )
+    }
+
+    func setIncludeAllNetworksSettings() {
+        let includeAllNetworksIsEnabled =
+            tunnelSettings.includeAllNetworks.includeAllNetworksIsEnabled ? "Enabled" : "Disabled"
+        let localNetworkSharingIsEnabled =
+            tunnelSettings.includeAllNetworks.localNetworkSharingIsEnabled ? "Enabled" : "Disabled"
+        let consent = appPreferences.includeAllNetworksConsent ? "True" : "False"
+
+        update(
+            item: (
+                title: "Force all apps",
+                data: [
+                    "Force all apps: \(includeAllNetworksIsEnabled)",
+                    "Local network sharing: \(localNetworkSharingIsEnabled)",
+                    "Consent: \(consent)",
+                ]
+            ), in: &settings
+        )
+    }
+}
+
+// MARK: Mock
+
+class MockDebugViewModel: DebugViewModel {
+    var tunnelSettings: LatestTunnelSettings = LatestTunnelSettings()
+    var nwPathStatus: NWPath.Status = NWPath.Status.unsatisfied
+
+    // Connection
+    var connection = [
+        (
+            title: "Relays",
+            data: [
+                "Entry: Sweden, Gothenburg, se-got-001",
+                "Exit: Sweden, Gothenburg, se-got-002",
+            ]
+        ),
+        (title: "Obfuscation", data: [""]),
+    ]
+
+    // Settings
+    var settings = [
+        (title: "Relays", data: ["Entry: se-se-got-se-got-001", "Exit: se-se-got-se-got-001"]),
+        (
+            title: "Mullvad DNS blockers",
+            data: [
+                "Advertising (100.64.0.1)",
+                "Tracking (100.64.0.2)",
+                "Social Media (100.64.0.3)",
+            ]
+        ),
+        (title: "Custom DNS blockers", data: ["192.168.1.1", "192.168.1.2"]),
+        (title: "Obfuscation", data: ["QUIC", "UDP over TCP port: 53", "Shadowsocks port: 53"]),
+        (title: "Quantum resistance", data: ["Enabled"]),
+        (title: "Multihop", data: ["Disabled"]),
+        (title: "DAITA", data: ["DAITA: Enabled", "Direct only: Disabled"]),
+        (
+            title: "Force all apps",
+            data: [
+                "Force all apps: Disabled",
+                "Local network sharing: Disabled",
+                "Consent: False",
+            ]
+        ),
+    ]
+}
diff --git a/ios/MullvadVPN/Extensions/String+Localization.swift b/ios/MullvadVPN/Extensions/String+Localization.swift
new file mode 100644
index 0000000000..766f61a146
--- /dev/null
+++ b/ios/MullvadVPN/Extensions/String+Localization.swift
@@ -0,0 +1,13 @@
+//
+//  String+Localization.swift
+//  MullvadVPN
+//
+//  Created by Jon Petersson on 2026-02-27.
+//  Copyright © 2026 Mullvad VPN AB. All rights reserved.
+//
+
+extension String {
+    var excludeLocalization: String {
+        String(self)
+    }
+}