protocol Sheet: UIViewController {
    var sheetCoordinator: SheetCoordinator? { get set }
}

protocol Sheet: UIViewController {
    var sheetCoordinator: SheetCoordinator? { get set }
}

typealias SheetParent = Sheet & UIViewController

typealias SheetParent = Sheet & UIViewController

enum SheetSize {
    case fixed(CGFloat)
    case halfScreen
    case fullScreen
}

enum SheetSize {
    case fixed(CGFloat)
    case halfScreen
    case fullScreen
}

init(parentViewController: UIViewController)

init(parentViewController: UIViewController)

func setSizes(_ sizes: [SheetSize], animated: Bool = true)

func setSizes(_ sizes: [SheetSize], animated: Bool = true)

func resize(to size: SheetSize, animated: Bool = true)

func resize(to size: SheetSize, animated: Bool = true)

func show(_ viewController: UIViewController, sizes: [SheetSize] = [], completion: ((Bool) -> Void)? = nil)

func show(_ viewController: UIViewController, sizes: [SheetSize] = [], completion: ((Bool) -> Void)? = nil)

func closeSheet(completion: (() -> Void)? = nil)

func closeSheet(completion: (() -> Void)? = nil)

func handleScrollView(_ scrollView: UIScrollView)

func handleScrollView(_ scrollView: UIScrollView)

<em>// UIViewController ที่ต้องการเรียก Bottom Sheet</em>
class ParentViewController: UIViewController, Sheet {
    var sheetCoordinator: SheetCoordinator?

    override func viewDidLoad() {
        super.viewDidLoad()

        <em>// Setup SheetCoordinator</em>
        if let navigationController = self.navigationController {
            <em>// ถ้า Controller ที่ต้องการเรียก Bottom Sheet เป็น UINavigationController</em>
            sheetCoordinator = SheetCoordinator(parentViewController: navigationController)
        } else {
            <em>// ถ้า Controller ที่ต้องการเรียก Bottom Sheet เป็น UIViewController</em>
            sheetCoordinator = SheetCoordinator(parentViewController: self)
        }

        ...
    }

    func showBottomSheet() {
        let storyboard = UIStoryboard(name: "YourStoryboard", bundle: nil)
        let controller = storyboard.instantiateViewController(withIdentifier: "ChildViewController") as! ChildViewController

        guard let sheetCoordinator = sheetCoordinator else { return }

        sheetCoordinator.showOverlay = true
        sheetCoordinator.topCornersRadius = 15

        <em>// Show Bottom Sheet</em>
        sheetCoordinator.show(controller, sizes: [.fixed(300), .halfScreen, .fullScreen], completion: { complete in
            print("Status show: \(complete)")
        })

        <em>// Callback willDismiss</em>
        sheetCoordinator.willDismiss = { () in
            print("Will dismiss!!")
        }

        <em>// Callback didDismiss</em>
        sheetCoordinator.didDismiss = { () in
            print("Dismiss!!")
        }
    }
}

<em>// UIViewController ที่ต้องการแสดงใน Bottom Sheet</em>
class ChildViewController: ChildSheetViewController {

    @IBOutlet weak var scrollView: UIScrollView!

    override func viewDidLoad() {
        super.viewDidLoad()

        setupScrollView()
    }

    func setupScrollView() {
        self.sheetCoordinator?.handleScrollView(scrollView)
    }
}

<em>// UIViewController ที่ต้องการเรียก Bottom Sheet</em>
class ParentViewController: UIViewController, Sheet {
    var sheetCoordinator: SheetCoordinator?

    override func viewDidLoad() {
        super.viewDidLoad()

        <em>// Setup SheetCoordinator</em>
        if let navigationController = self.navigationController {
            <em>// ถ้า Controller ที่ต้องการเรียก Bottom Sheet เป็น UINavigationController</em>
            sheetCoordinator = SheetCoordinator(parentViewController: navigationController)
        } else {
            <em>// ถ้า Controller ที่ต้องการเรียก Bottom Sheet เป็น UIViewController</em>
            sheetCoordinator = SheetCoordinator(parentViewController: self)
        }

        ...
    }

    func showBottomSheet() {
        let storyboard = UIStoryboard(name: "YourStoryboard", bundle: nil)
        let controller = storyboard.instantiateViewController(withIdentifier: "ChildViewController") as! ChildViewController

        guard let sheetCoordinator = sheetCoordinator else { return }

        sheetCoordinator.showOverlay = true
        sheetCoordinator.topCornersRadius = 15

        <em>// Show Bottom Sheet</em>
        sheetCoordinator.show(controller, sizes: [.fixed(300), .halfScreen, .fullScreen], completion: { complete in
            print("Status show: \(complete)")
        })

        <em>// Callback willDismiss</em>
        sheetCoordinator.willDismiss = { () in
            print("Will dismiss!!")
        }

        <em>// Callback didDismiss</em>
        sheetCoordinator.didDismiss = { () in
            print("Dismiss!!")
        }
    }
}

<em>// UIViewController ที่ต้องการแสดงใน Bottom Sheet</em>
class ChildViewController: ChildSheetViewController {

    @IBOutlet weak var scrollView: UIScrollView!

    override func viewDidLoad() {
        super.viewDidLoad()

        setupScrollView()
    }

    func setupScrollView() {
        self.sheetCoordinator?.handleScrollView(scrollView)
    }
}