Visual Intelligence Camera Analysis

import SwiftUI
import VisualIntelligence

@available(iOS 27, *)
struct LiveSceneAnalyzerView: View {
    @State private var topLabel: String = "Scanning…"
    @State private var detectedText: String = ""
    @State private var analyzer = VisualIntelligenceAnalyzer()

    var body: some View {
        ZStack(alignment: .bottom) {
            // Built-in camera preview wired to the analyzer
            VisualIntelligenceCameraView(analyzer: analyzer)
                .ignoresSafeArea()

            VStack(alignment: .leading, spacing: 8) {
                Label(topLabel, systemImage: "eye")
                    .font(.headline)
                if !detectedText.isEmpty {
                    Label(detectedText, systemImage: "text.viewfinder")
                        .font(.subheadline)
                        .lineLimit(2)
                }
            }
            .padding()
            .background(.ultraThinMaterial, in: RoundedRectangle(cornerRadius: 16))
            .padding()
        }
        .task {
            // Stream analysis results as an AsyncSequence
            do {
                let stream = analyzer.results(
                    for: [
                        .sceneClassification(maximumCount: 3),
                        .textRecognition(languages: ["en"])
                    ]
                )
                for try await result in stream {
                    await MainActor.run {
                        if let scene = result.sceneClassification?.first {
                            topLabel = "\(scene.label) (\(Int(scene.confidence * 100))%)"
                        }
                        if let textObs = result.textRecognition?.first {
                            detectedText = textObs.string
                        }
                    }
                }
            } catch {
                await MainActor.run { topLabel = "Error: \(error.localizedDescription)" }
            }
        }
        .onDisappear { analyzer.stop() }
    }
}

#Preview {
    if #available(iOS 27, *) {
        LiveSceneAnalyzerView()
    }
}