Restructure model

Model/Accounts/Instance.swift

@@ -0,0 +1,80 @@
+import Defaults
+import Foundation
+
+struct Instance: Defaults.Serializable, Hashable, Identifiable {
+    struct InstancesBridge: Defaults.Bridge {
+        typealias Value = Instance
+        typealias Serializable = [String: String]
+
+        func serialize(_ value: Value?) -> Serializable? {
+            guard let value = value else {
+                return nil
+            }
+
+            return [
+                "app": value.app.rawValue,
+                "id": value.id,
+                "name": value.name,
+                "url": value.url
+            ]
+        }
+
+        func deserialize(_ object: Serializable?) -> Value? {
+            guard
+                let object = object,
+                let app = VideosApp(rawValue: object["app"] ?? ""),
+                let id = object["id"],
+                let url = object["url"]
+            else {
+                return nil
+            }
+
+            let name = object["name"] ?? ""
+
+            return Instance(app: app, id: id, name: name, url: url)
+        }
+    }
+
+    static var bridge = InstancesBridge()
+
+    let app: VideosApp
+    let id: String
+    let name: String
+    let url: String
+
+    init(app: VideosApp, id: String? = nil, name: String, url: String) {
+        self.app = app
+        self.id = id ?? UUID().uuidString
+        self.name = name
+        self.url = url
+    }
+
+    var anonymous: VideosAPI {
+        switch app {
+        case .invidious:
+            return InvidiousAPI(account: anonymousAccount)
+        case .piped:
+            return PipedAPI(account: anonymousAccount)
+        }
+    }
+
+    var description: String {
+        "\(app.name) - \(shortDescription)"
+    }
+
+    var longDescription: String {
+        name.isEmpty ? "\(app.name) - \(url)" : "\(app.name) - \(name) (\(url))"
+    }
+
+    var shortDescription: String {
+        name.isEmpty ? url : name
+    }
+
+    var anonymousAccount: Account {
+        Account(instanceID: id, name: "Anonymous", url: url, anonymous: true)
+    }
+
+    func hash(into hasher: inout Hasher) {
+        hasher.combine(url)
+    }
+}