Start work on MastodonController

Tusker/AppDelegate.swift

@@ -16,6 +16,9 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
 
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
         // Override point for customization after application launch.
+        
+        MastodonController.shared.connect()
+        
         return true
     }
 

Tusker/Controllers/MastodonController.swift

@@ -9,16 +9,21 @@
 import Foundation
 import MastodonKit
 
-struct MastodonController {
+class MastodonController {
     
-    static private(set) var shared = MastodonController()
+    static let shared = MastodonController()
+    
+    var userDefaults = UserDefaults()
     
     var client: Client!
     
+    var clientID: String!
+    var clientSecret: String!
+    
     private init() {
     }
     
-    mutating func connect() {
+    func connect() {
         // TODO: OAuth
         let url = ProcessInfo.processInfo.environment["mastodon_url"]!
         let username = ProcessInfo.processInfo.environment["mastodon_username"]!
@@ -26,12 +31,35 @@ struct MastodonController {
         
         client = Client(baseURL: url)
         
-        let loginReq = Login.silent(clientID: "net.shadowfacts.Tusker", clientSecret: "some super secret thing", scopes: [.read, .write, .follow], username: username, password: password)
+        register() {
+            let loginReq = Login.silent(clientID: self.clientID, clientSecret: self.clientSecret, scopes: [.read, .write, .follow], username: username, password: password)
             
-        client.run(loginReq) { result in
+            self.client.run(loginReq) { result in
                 guard case let .success(loginSettings, _) = result else { fatalError() }
                 print("access token: \(loginSettings.accessToken)")
             }
         }
+    }
+    
+    private func register(completion: @escaping () -> Void) {
+        if let clientId = userDefaults.string(forKey: "clientID"),
+            let clientSecret = userDefaults.string(forKey: "clientSecret") {
+            self.clientID = clientId
+            self.clientSecret = clientSecret
+            completion()
+            return
+        }
+        
+        let registerRequest = Clients.register(clientName: "Tusker", scopes: [.read, .write, .follow])
+        
+        client.run(registerRequest) { result in
+            guard case let .success(application, _) = result else { fatalError() }
+            self.clientID = application.clientID
+            self.clientSecret = application.clientSecret
+            self.userDefaults.set(self.clientID, forKey: "clientID")
+            self.userDefaults.set(self.clientSecret, forKey: "clientSecret")
+            completion()
+        }
+    }
     
 }