Yattee v2 rewrite

Yattee/Services/API/PeerTubeDirectoryAPI.swift

@@ -0,0 +1,38 @@
+//
+//  PeerTubeDirectoryAPI.swift
+//  Yattee
+//
+//  API client for the PeerTube public instance directory.
+//
+
+import Foundation
+
+/// API client for fetching PeerTube instances from the public directory.
+actor PeerTubeDirectoryAPI {
+    private let httpClient: HTTPClient
+    private let baseURL = URL(string: "https://instances.joinpeertube.org")!
+
+    init(httpClient: HTTPClient) {
+        self.httpClient = httpClient
+    }
+
+    /// Fetches instances from the public directory.
+    /// - Parameters:
+    ///   - start: The offset for pagination (default: 0).
+    ///   - count: The number of instances to fetch (default: 50).
+    /// - Returns: A response containing the total count and array of instances.
+    /// - Note: The API does not support server-side filtering by language/country.
+    ///         Filtering should be done client-side after fetching all instances.
+    func fetchInstances(
+        start: Int = 0,
+        count: Int = 50
+    ) async throws -> PeerTubeDirectoryResponse {
+        let query: [String: String] = [
+            "start": String(start),
+            "count": String(count)
+        ]
+
+        let endpoint = GenericEndpoint.get("/api/v1/instances", query: query)
+        return try await httpClient.fetch(endpoint, baseURL: baseURL)
+    }
+}