Updated API calls and Library View

Mobile Music Assistant/ViewsLibraryLibraryView.swift

@@ -7,27 +7,73 @@
 
 import SwiftUI
 
+enum LibraryTab: String, CaseIterable {
+    case artists = "Artists"
+    case albums = "Albums"
+    case playlists = "Playlists"
+    case radio = "Radio"
+}
+
 struct LibraryView: View {
     @Environment(MAService.self) private var service
-    
+    @State private var selectedTab: LibraryTab = .artists
+    @State private var refreshError: String?
+    @State private var showError = false
+
+    private var isRefreshing: Bool {
+        switch selectedTab {
+        case .artists:   return service.libraryManager.isLoadingArtists
+        case .albums:    return service.libraryManager.isLoadingAlbums
+        case .playlists: return service.libraryManager.isLoadingPlaylists
+        case .radio:     return false
+        }
+    }
+
+    private var lastRefresh: Date? {
+        switch selectedTab {
+        case .artists:   return service.libraryManager.lastArtistsRefresh
+        case .albums:    return service.libraryManager.lastAlbumsRefresh
+        case .playlists: return service.libraryManager.lastPlaylistsRefresh
+        case .radio:     return nil
+        }
+    }
+
     var body: some View {
         NavigationStack {
-            TabView {
-                Tab("Artists", systemImage: "music.mic") {
-                    ArtistsView()
-                }
-                
-                Tab("Albums", systemImage: "square.stack") {
-                    AlbumsView()
-                }
-                
-                Tab("Playlists", systemImage: "music.note.list") {
-                    PlaylistsView()
+            Group {
+                switch selectedTab {
+                case .artists:   ArtistsView()
+                case .albums:    AlbumsView()
+                case .playlists: PlaylistsView()
+                case .radio:     RadiosView()
                 }
             }
-            .tabViewStyle(.page(indexDisplayMode: .always))
-            .navigationTitle("Library")
+            .navigationBarTitleDisplayMode(.inline)
             .toolbar {
+                ToolbarItem(placement: .navigationBarLeading) {
+                    Button {
+                        Task { await refresh() }
+                    } label: {
+                        if isRefreshing {
+                            ProgressView()
+                        } else {
+                            Image(systemName: "arrow.clockwise")
+                        }
+                    }
+                    .disabled(isRefreshing || selectedTab == .radio)
+                    .help(lastRefreshLabel)
+                }
+
+                ToolbarItem(placement: .principal) {
+                    Picker("Library", selection: $selectedTab) {
+                        ForEach(LibraryTab.allCases, id: \.self) { tab in
+                            Text(tab.rawValue).tag(tab)
+                        }
+                    }
+                    .pickerStyle(.segmented)
+                    .frame(maxWidth: 360)
+                }
+
                 ToolbarItem(placement: .primaryAction) {
                     NavigationLink {
                         SearchView()
@@ -36,6 +82,37 @@ struct LibraryView: View {
                     }
                 }
             }
+            .navigationDestination(for: MAArtist.self) { ArtistDetailView(artist: $0) }
+            .navigationDestination(for: MAAlbum.self)  { AlbumDetailView(album: $0) }
+            .navigationDestination(for: MAPlaylist.self) { PlaylistDetailView(playlist: $0) }
+            .alert("Refresh Failed", isPresented: $showError) {
+                Button("OK", role: .cancel) { }
+            } message: {
+                if let refreshError { Text(refreshError) }
+            }
+        }
+    }
+
+    // MARK: - Helpers
+
+    private var lastRefreshLabel: String {
+        guard let date = lastRefresh else { return "Never refreshed" }
+        let formatter = RelativeDateTimeFormatter()
+        formatter.unitsStyle = .full
+        return "Last refreshed \(formatter.localizedString(for: date, relativeTo: .now))"
+    }
+
+    private func refresh() async {
+        do {
+            switch selectedTab {
+            case .artists:   try await service.libraryManager.loadArtists(refresh: true)
+            case .albums:    try await service.libraryManager.loadAlbums(refresh: true)
+            case .playlists: try await service.libraryManager.loadPlaylists(refresh: true)
+            case .radio:     break
+            }
+        } catch {
+            refreshError = error.localizedDescription
+            showError = true
         }
     }
 }