UIOnboarding

.package(url: "https://github.com/lascic/UIOnboarding.git", from: "1.1.1")
// or
.package(url: "https://github.com/lascic/UIOnboarding.git", branch: "main")

// In the view controller you're presenting
import UIKit
import UIOnboarding

let onboardingController: UIOnboardingViewController = .init(withConfiguration: .setUp())
onboardingController.delegate = self
navigationController?.present(onboardingController, animated: false)

extension ViewController: UIOnboardingViewControllerDelegate {
    func didFinishOnboarding(onboardingViewController: UIOnboardingViewController) {
        onboardingViewController.modalTransitionStyle = .crossDissolve
        onboardingViewController.dismiss(animated: true, completion: nil)
    }
}

.fullScreenCover(isPresented: $showingOnboarding, content: {
    OnboardingView.init()
        .edgesIgnoringSafeArea(.all)
}

onboardingController.delegate = context.coordinator

// In OnboardingView.swift
import SwiftUI
import UIOnboarding

struct OnboardingView: UIViewControllerRepresentable {
    typealias UIViewControllerType = UIOnboardingViewController

    func makeUIViewController(context: Context) -> UIOnboardingViewController {
        let onboardingController: UIOnboardingViewController = .init(withConfiguration: .setUp())
        onboardingController.delegate = context.coordinator
        return onboardingController
    }
    
    func updateUIViewController(_ uiViewController: UIOnboardingViewController, context: Context) {}
    
    class Coordinator: NSObject, UIOnboardingViewControllerDelegate {
        func didFinishOnboarding(onboardingViewController: UIOnboardingViewController) {
            onboardingViewController.dismiss(animated: true, completion: nil)
        }
    }

    func makeCoordinator() -> Coordinator {
        return .init()
    }
}

// In ContentView.swift
import SwiftUI

struct ContentView: View {
    @State private var showingOnboarding = true
    
    var body: some View {
        NavigationView {
            Text("Hello, UIOnboarding!")
                .toolbar {
                    Button {
                        showingOnboarding = true
                    } label: {
                        Image(systemName: "repeat")
                    }
                }
                .fullScreenCover(isPresented: $showingOnboarding, content: {
                    OnboardingView.init()
                        .edgesIgnoringSafeArea(.all)
                })
        }
    }
}

struct ContentView_Previews: PreviewProvider { 
    static var previews: some View {
        ContentView.init()
    }
}

import UIKit
import UIOnboarding

struct UIOnboardingHelper {
    // App Icon
    static func setUpIcon() -> UIImage {
        return Bundle.main.appIcon ?? .init(named: "onboarding-icon")!
    }

    // Welcome Title
    static func setUpTitle() -> NSMutableAttributedString {
        let welcomeText: NSMutableAttributedString = .init(string: "Welcome to \n",
                                                           attributes: [.foregroundColor: UIColor.label]),
            appNameText: NSMutableAttributedString = .init(string: Bundle.main.displayName ?? "Insignia",
                                                           attributes: [.foregroundColor: UIColor.init(named: "camou")!])
        welcomeText.append(appNameText)
        return welcomeText
    }

    // Core Features
    static func setUpFeatures() -> Array<UIOnboardingFeature> {
        return .init([
            .init(icon: .init(named: "feature-1")!,
                  title: "Search until found",
                  description: "Over a hundred insignia of the Swiss Armed Forces – each redesigned from the ground up."),
            .init(icon: .init(named: "feature-2")!,
                  title: "Enlist prepared",
                  description: "Practice with the app and pass the rank test on the first run."),
            .init(icon: .init(named: "feature-3")!,
                  title: "#teamarmee",
                  description: "Add name tags of your comrades or cadre. Insignia automatically keeps every name tag you create in iCloud.")
        ])
    }

    // Notice Text
    static func setUpNotice() -> UIOnboardingTextViewConfiguration {
        return .init(icon: .init(named: "onboarding-notice-icon")!,
                     text: "Developed and designed for members of the Swiss Armed Forces.",
                     linkTitle: "Learn more...",
                     link: "https://www.lukmanascic.ch/portfolio/insignia",
                     tint: .init(named: "camou"))
    }

    // Continuation Title
    static func setUpButton() -> UIOnboardingButtonConfiguration {
        return .init(title: "Continue",
                     backgroundColor: .init(named: "camou")!)
    }
}

import UIOnboarding

extension UIOnboardingViewConfiguration {
    // UIOnboardingViewController init
    static func setUp() -> UIOnboardingViewConfiguration {
        return .init(appIcon: UIOnboardingHelper.setUpIcon(),
                     welcomeTitle: UIOnboardingHelper.setUpTitle(),
                     features: UIOnboardingHelper.setUpFeatures(),
                     textViewConfiguration: UIOnboardingHelper.setUpNotice(),
                     buttonConfiguration: UIOnboardingHelper.setUpButton())
    }
}

if !UserDefaults.standard.bool(forKey: "hasCompletedOnboarding") {
    showOnboarding()
}

func didFinishOnboarding(onboardingViewController: OnboardingViewController) {
    onboardingViewController.modalTransitionStyle = .crossDissolve
    onboardingViewController.dismiss(animated: true) { 
        UserDefaults.standard.set(true, forKey: "hasCompletedOnboarding")
    }
}