import SwiftUI
import ProxyCore

struct CertificateView: View {
    @Environment(AppState.self) private var appState

    var body: some View {
        List {
            Section {
                HStack {
                    Image(systemName: appState.isCertificateTrusted ? "checkmark.shield.fill" : "exclamationmark.shield")
                        .font(.largeTitle)
                        .foregroundStyle(appState.isCertificateTrusted ? .green : .orange)

                    VStack(alignment: .leading) {
                        Text(appState.isCertificateTrusted
                             ? "Certificate is installed & trusted!"
                             : "Certificate not installed")
                            .font(.headline)
                        Text("Required for HTTPS decryption")
                            .font(.caption)
                            .foregroundStyle(.secondary)
                    }
                }
                .padding(.vertical, 8)
            }

            Section("Details") {
                LabeledContent("CA Certificate", value: "Proxy CA (\(UIDevice.current.name))")
                LabeledContent("Generated", value: "-")
                LabeledContent("Expires", value: "-")
            }

            Section {
                Button("Install Certificate") {
                    // TODO: Phase 3 - Export and open cert installation
                }
                .frame(maxWidth: .infinity)
            }

            Section {
                Button("Regenerate Certificate", role: .destructive) {
                    // TODO: Phase 3 - Generate new CA
                }
                .frame(maxWidth: .infinity)
            }
        }
        .navigationTitle("Certificate")
    }
}