Add Tailnet accounts and Tailscale login flow

Apple/UI/Networks/WireGuard.swift

@@ -1,14 +1,40 @@
 import BurrowCore
+import Foundation
 import SwiftUI
 
-struct WireGuard: Network {
-    typealias NetworkType = Burrow_WireGuardNetwork
-    static let type: BurrowCore.Burrow_NetworkType = .wireGuard
-
+struct WireGuardCard {
     var id: Int32
-    var backgroundColor: Color { .init("WireGuard") }
+    var title: String
+    var detail: String
 
-    @MainActor var label: some View {
+    init(id: Int32, title: String = "WireGuard", detail: String = "Stored configuration") {
+        self.id = id
+        self.title = title
+        self.detail = detail
+    }
+
+    init(network: Burrow_Network) {
+        let payload = String(data: network.payload, encoding: .utf8) ?? ""
+        let address = Self.firstValue(for: "Address", in: payload)
+        let endpoint = Self.firstValue(for: "Endpoint", in: payload)
+        self.id = network.id
+        self.title = "WireGuard"
+        self.detail = [address, endpoint]
+            .compactMap { $0 }
+            .filter { !$0.isEmpty }
+            .joined(separator: " · ")
+            .ifEmpty("Stored configuration")
+    }
+
+    var card: NetworkCardModel {
+        NetworkCardModel(
+            id: id,
+            backgroundColor: .init("WireGuard"),
+            label: AnyView(label)
+        )
+    }
+
+    private var label: some View {
         GeometryReader { reader in
             VStack(alignment: .leading) {
                 HStack {
@@ -23,12 +49,29 @@ struct WireGuard: Network {
                 }
                 .frame(maxWidth: .infinity, maxHeight: reader.size.height / 4)
                 Spacer()
-                Text("@conradev")
+                Text(detail)
                     .foregroundStyle(.white)
                     .font(.body.monospaced())
+                    .lineLimit(3)
             }
             .padding()
             .frame(maxWidth: .infinity)
         }
     }
+
+    private static func firstValue(for key: String, in config: String) -> String? {
+        config
+            .split(whereSeparator: \.isNewline)
+            .map(String.init)
+            .first(where: { $0.hasPrefix("\(key) = ") })?
+            .split(separator: "=", maxSplits: 1)
+            .last
+            .map { $0.trimmingCharacters(in: .whitespaces) }
+    }
+}
+
+private extension String {
+    func ifEmpty(_ fallback: @autoclosure () -> String) -> String {
+        isEmpty ? fallback() : self
+    }
 }