VersionSetting.swift

// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/

import Common
import Foundation
import Shared

/// Show the current version of Firefox
class VersionSetting: Setting {
    private weak var settingsDelegate: DebugSettingsDelegate?

    override var accessibilityIdentifier: String? {
        return AccessibilityIdentifiers.Settings.Version.title
    }

    init(settingsDelegate: DebugSettingsDelegate) {
        self.settingsDelegate = settingsDelegate
        super.init(title: nil)
    }

    override var title: NSAttributedString? {
        return NSAttributedString(string: "\(AppName.shortName) \(AppInfo.appVersion) (\(AppInfo.buildNumber))",
                                  attributes: [NSAttributedString.Key.foregroundColor: theme.colors.textPrimary])
    }

    override func onConfigureCell(_ cell: UITableViewCell, theme: Theme) {
        super.onConfigureCell(cell, theme: theme)
    }

    override func onClick(_ navigationController: UINavigationController?) {
        settingsDelegate?.pressedVersion()
    }

    override func onLongPress(_ navigationController: UINavigationController?) {
        if CoordinatorFlagManager.isSettingsCoordinatorEnabled {
            let alertTitle: String = .SettingsCopyAppVersionAlertTitle
            let alert = AlertController(title: alertTitle, message: nil, preferredStyle: .alert)
            settingsDelegate?.askedToShow(alert: alert)
        } else {
            copyAppVersionAndPresentAlert(by: navigationController)
        }
    }

    private func copyAppVersionAndPresentAlert(by navigationController: UINavigationController?) {
        let alertTitle: String = .SettingsCopyAppVersionAlertTitle
        let alert = AlertController(title: alertTitle, message: nil, preferredStyle: .alert)
        getSelectedCell(by: navigationController)?.setSelected(false, animated: true)
        UIPasteboard.general.string = self.title?.string
        navigationController?.topViewController?.present(alert, animated: true) {
            DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
                alert.dismiss(animated: true)
            }
        }
    }

    private func getSelectedCell(by navigationController: UINavigationController?) -> UITableViewCell? {
        let controller = navigationController?.topViewController
        let tableView = (controller as? AppSettingsTableViewController)?.tableView
        guard let indexPath = tableView?.indexPathForSelectedRow else { return nil }
        return tableView?.cellForRow(at: indexPath)
    }
}