Bitnagil-iOS/Projects/Presentation/Sources/Common/Extension/UIViewController+.swift at f5d1078d266f49de8236764243af182aaafba16e · YAPP-Github/Bitnagil-iOS · GitHub

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//
//  UIViewController+.swift
//  Presentation
//
//  Created by 최정인 on 7/8/25.
//

import UIKit

extension UIViewController {
    // MARK: - NavigationBar
    func configureNavigationBar(navigationStyle: NavigationBarStyle) {
        let appearance = UINavigationBarAppearance()
        appearance.backgroundEffect = .none
        appearance.configureWithOpaqueBackground()
        appearance.shadowColor = .clear
        navigationController?.navigationBar.standardAppearance = appearance
        navigationController?.navigationBar.scrollEdgeAppearance = appearance

        switch navigationStyle {
        case .hidden:
            navigationController?.setNavigationBarHidden(true, animated: false)

        case .withBackButton(let title):
            navigationController?.setNavigationBarHidden(false, animated: false)
            self.title = title
            configureDefaultBackButton()

        case .withPrograssBar(let step, let stepCount):
            navigationController?.setNavigationBarHidden(false, animated: false)
            configureDefaultBackButton()
            configureProgressNavigationBar(step: step, stepCount: stepCount)

        case .withPrograssBarWithCustomBackButton(let step, let stepCount):
            navigationController?.setNavigationBarHidden(false, animated: false)
            configureCustomBackButton()
            configureProgressNavigationBar(step: step, stepCount: stepCount)
        }
    }

    private func configureDefaultBackButton() {
        let backButton = UIBarButtonItem(
            image: UIImage(systemName: "chevron.left"),
            style: .plain,
            target: self,
            action: #selector(popViewController))
        backButton.tintColor = .black
        navigationItem.leftBarButtonItem = backButton
    }

    private func configureCustomBackButton() {
        let backButton = UIBarButtonItem(
            image: UIImage(systemName: "chevron.left"),
            style: .plain,
            target: self,
            action: #selector(popTwoViewControllers))
        backButton.tintColor = .black
        navigationItem.leftBarButtonItem = backButton
    }

    private func configureProgressNavigationBar(step: Int, stepCount: Int) {
        self.title = ""
        let progressView = ProgressBarView(step: step, stepCount: stepCount)
        navigationItem.titleView = progressView
    }

    @objc private func popViewController() {
        navigationController?.popViewController(animated: true)
    }

    @objc private func popTwoViewControllers() {
        guard let navigationController = navigationController
        else { return }
        let viewControllers = navigationController.viewControllers

        guard viewControllers.count >= 3 else {
            navigationController.popViewController(animated: true)
            return
        }

        let targetViewController = viewControllers[viewControllers.count - 3]
        navigationController.popToViewController(targetViewController, animated: true)
    }

    // MARK: - BottomSheet
    func presentCustomBottomSheet(contentViewController: UIViewController, maxHeight: CGFloat) {
        let bottomSheet = CustomBottomSheet(contentViewController: contentViewController, maxHeight: maxHeight)
        present(bottomSheet, animated: true)
    }
}

enum NavigationBarStyle {
    case hidden
    case withBackButton(title: String)
    case withPrograssBar(step: Int, stepCount: Int)
    case withPrograssBarWithCustomBackButton(step: Int, stepCount: Int)
}