/*

 Copyright (C) 2017 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 The application's main (initial) view controller.

 */

import UIKit

class MainViewController: UITableViewController, UIActionSheetDelegate {

    override var supportedInterfaceOrientations: UIInterfaceOrientationMask {

        return .portrait

    }

    /**

     *  Unwind action that is targeted by the demos which present a modal view

     *  controller, to return to the main screen.

     */

    @IBAction func unwindToMainViewController(_ sender: UIStoryboardSegue) { }

    // MARK: - Style AlertController

    /**

     *  IBAction for the 'Style' bar button item.

     */

    @IBAction func styleAction(_ sender: AnyObject) {

        let title = NSLocalizedString("Choose a UIBarStyle:", comment: "")

        let cancelButtonTitle = NSLocalizedString("Cancel", comment: "")

        let defaultButtonTitle = NSLocalizedString("Default", comment: "")

        let blackOpaqueTitle = NSLocalizedString("Black Opaque", comment: "")

        let blackTranslucentTitle = NSLocalizedString("Black Translucent", comment: "")

        let alertController = UIAlertController(title: title, message: nil, preferredStyle: .actionSheet)

        alertController.addAction(UIAlertAction(title: NSLocalizedString(cancelButtonTitle, comment: ""),

                                                style: .cancel) { _ in })

        alertController.addAction(UIAlertAction(title: NSLocalizedString(defaultButtonTitle, comment: ""),

                                                style: .default) { _ in

            self.navigationController!.navigationBar.barStyle = .default

            // Bars are translucent by default.

            self.navigationController!.navigationBar.isTranslucent = true

            // Reset the bar's tint color to the system default.

            self.navigationController!.navigationBar.tintColor = nil

        })

        alertController.addAction(UIAlertAction(title: NSLocalizedString(blackOpaqueTitle, comment: ""),

                                                style: .default) { _ in

            // Change to black-opaque.

            self.navigationController!.navigationBar.barStyle = .black

            self.navigationController!.navigationBar.isTranslucent = false

            self.navigationController!.navigationBar.tintColor = #colorLiteral(red: 1, green: 0.99997437, blue: 0.9999912977, alpha: 1)

        })

        alertController.addAction(UIAlertAction(title: NSLocalizedString(blackTranslucentTitle, comment: ""),

                                                style: .default) { _ in

            // Change to black-translucent.

            self.navigationController!.navigationBar.barStyle = .black

            self.navigationController!.navigationBar.isTranslucent = true

            self.navigationController!.navigationBar.tintColor = #colorLiteral(red: 1, green: 0.99997437, blue: 0.9999912977, alpha: 1)

        })

        self.present(alertController, animated: true, completion: nil)

    }

    override func shouldPerformSegue(withIdentifier identifier: String, sender: Any?) -> Bool {

        var shouldPerform = true

        let indexPath = self.tableView.indexPathForSelectedRow

        if indexPath?.row == 6 {

            if #available(iOS 11.0, *) { }

            else {

                // LargeTitle feature available in iOS 11 and later.

                let title = NSLocalizedString("LargeTitle message", comment: "")

                let alertController = UIAlertController(title: title, message: nil, preferredStyle: .alert)

                alertController.addAction(UIAlertAction(title: NSLocalizedString("OK", comment: ""),

                                                        style: .default) { _ in })

                self.present(alertController, animated: true, completion: nil)

                tableView.deselectRow(at: indexPath!, animated: true)

                shouldPerform = false

            }

        }

        return shouldPerform

    }

}