import SwiftUI
import ConnectSDK // 1. Import the SDK main class

struct ContentView: View {
   // 2. Attach start function with a button or other UI element.
    var body: some View {
        Button("Deposit with crypto") {
            startConnect()
        }
    }

    func startConnect() {
        // 3. Get a JWT from your backend
        let jwt = getJWT()
        
        // 4. Configure the session
        let session = ConnectSDK.configureAuth(
            jwt: jwt, // JWT returned by backend, REQUIRED.
            environment: .sandbox, // Environment you want to use (OPTIONAL, defaults to .production)
            theme: .dark, // Appearance. Options: .light, .dark and .system (OPTIONAL, defaults to .system)
            callbacks: AuthCallbacks( // Listen for events. OPTIONAL. 
                onClose: { print("Closed") },
                onError: { error in print("Error: \(error.message)") },
                onDeposit: { deposit in print("Deposit: \(deposit.success ? "successful" : "failed")") }
            )
        )

        // 4. Present the SDK by calling the .present method with the ViewController you want to use.
        if let rootVC = UIApplication.shared.windows.first?.rootViewController {
            session.present(from: rootVC)
        }
    }

    func getJWT() -> String {
        // Make a backend call to retrieve the JWT.
        return "jwt-token"
    }
}