Add searchable instrument browser

Sources/MusicAssistantApp/Presentation/InstrumentBrowserView.swift

@@ -0,0 +1,50 @@
+import MusicAssistantCore
+import SwiftUI
+
+struct InstrumentBrowserView: View {
+    private let catalog: LocalInstrumentCatalog
+
+    @State private var searchText = ""
+    @Environment(\.dismiss) private var dismiss
+
+    init(catalog: LocalInstrumentCatalog = LocalInstrumentCatalog()) {
+        self.catalog = catalog
+    }
+
+    var body: some View {
+        NavigationStack {
+            List(catalog.instruments(matching: searchText), id: \.id) { instrument in
+                VStack(alignment: .leading, spacing: 4) {
+                    Text(instrument.name)
+                        .font(.body.weight(.medium))
+
+                    HStack(spacing: 6) {
+                        Text(instrument.familyCategory)
+
+                        if let regionOrigin = instrument.regionOrigin {
+                            Text(regionOrigin)
+                        }
+                    }
+                    .font(.caption)
+                    .foregroundStyle(.secondary)
+                    .lineLimit(1)
+                }
+                .padding(.vertical, 2)
+            }
+            .navigationTitle("Instrument Catalog")
+            .searchable(text: $searchText, prompt: "Search instruments")
+            .toolbar {
+                ToolbarItem(placement: .cancellationAction) {
+                    Button("Done") {
+                        dismiss()
+                    }
+                }
+            }
+        }
+        .frame(minWidth: 460, minHeight: 520)
+    }
+}
+
+#Preview {
+    InstrumentBrowserView()
+}

Sources/MusicAssistantApp/Presentation/ProjectInspectorView.swift

@@ -9,6 +9,7 @@ struct ProjectInspectorView: View {
     @State private var newInstrumentName = ""
     @State private var newVocalistLabel = ""
     @State private var newLanguageName = ""
+    @State private var isInstrumentBrowserPresented = false
     @State private var isSaving = false
     @State private var saveStatus: SaveStatus?
 
@@ -62,6 +63,12 @@ struct ProjectInspectorView: View {
                 }
 
                 Section("Instruments") {
+                    Button {
+                        isInstrumentBrowserPresented = true
+                    } label: {
+                        Label("Browse catalog", systemImage: "magnifyingglass")
+                    }
+
                     ForEach($project.instruments, id: \.instrumentId) { $instrument in
                         Toggle(isOn: $instrument.selected) {
                             Text(instrument.variant?.isEmpty == false ? instrument.variant ?? instrument.instrumentId : instrument.instrumentId)
@@ -138,6 +145,9 @@ struct ProjectInspectorView: View {
             }
         }
         .background(Color(nsColor: .windowBackgroundColor))
+        .sheet(isPresented: $isInstrumentBrowserPresented) {
+            InstrumentBrowserView()
+        }
     }
 
     private var durationSecondsBinding: Binding<String> {

Sources/MusicAssistantCore/Services/InstrumentCatalog/LocalInstrumentCatalog.swift

@@ -1,3 +1,5 @@
+import Foundation
+
 public struct LocalInstrumentCatalog: Sendable {
     public let items: [InstrumentCatalogItem]
 
@@ -5,6 +7,18 @@ public struct LocalInstrumentCatalog: Sendable {
         self.items = items
     }
 
+    public func instruments(matching query: String) -> [InstrumentCatalogItem] {
+        let searchTokens = Self.searchTokens(for: query)
+
+        return items
+            .filter { item in
+                searchTokens.isEmpty || searchTokens.allSatisfy { token in
+                    Self.searchableTerms(for: item).contains { $0.contains(token) }
+                }
+            }
+            .sorted { $0.name.localizedCaseInsensitiveCompare($1.name) == .orderedAscending }
+    }
+
     public static let worldwideItems: [InstrumentCatalogItem] =
         western + middleEastern + african + southAsian + eastAsian + southeastAsian + latinAmerican + folkAndModern
 
@@ -281,4 +295,23 @@ public struct LocalInstrumentCatalog: Sendable {
             searchTerms: terms
         )
     }
+
+    private static func searchableTerms(for item: InstrumentCatalogItem) -> [String] {
+        searchTokens(for: [item.name] + item.aliases + item.searchTerms)
+    }
+
+    private static func searchTokens(for query: String) -> [String] {
+        searchTokens(for: [query])
+    }
+
+    private static func searchTokens(for values: [String]) -> [String] {
+        values
+            .joined(separator: " ")
+            .folding(
+                options: [.caseInsensitive, .diacriticInsensitive, .widthInsensitive],
+                locale: Locale(identifier: "en_US_POSIX")
+            )
+            .split(whereSeparator: { $0.isWhitespace || $0 == "-" })
+            .map(String.init)
+    }
 }