//
//  PGPKeyImporter.swift
//  pass
//
//  Created by Danny Moesch on 07.02.20.
//  Copyright © 2020 Bob Sun. All rights reserved.
//

import passKit

protocol PGPKeyImporter: KeyImporter {

    func doAfterImport()

    func saveImportedKeys()
}

extension PGPKeyImporter {

    static var isCurrentKeySource: Bool {
        return Defaults.pgpKeySource == Self.keySource
    }

    func doAfterImport() {
        
    }
}

extension PGPKeyImporter where Self: UIViewController {

    func savePassphraseDialog() {
        guard self.isReadyToUse() else {
            return
        }
        let savePassphraseAlert = UIAlertController(title: "Passphrase".localize(), message: "WantToSavePassphrase?".localize(), preferredStyle: .alert)
        // Do not save the key's passphrase.
        savePassphraseAlert.addAction(UIAlertAction(title: "No".localize(), style: .default) { _ in
            AppKeychain.shared.removeContent(for: Globals.pgpKeyPassphrase)
            Defaults.isRememberPGPPassphraseOn = false
            self.saveImportedKeys()
        })
        // Save the key's passphrase.
        savePassphraseAlert.addAction(UIAlertAction(title: "Yes".localize(), style: .destructive) { _ in
            // Ask for the passphrase.
            let alert = UIAlertController(title: "Passphrase".localize(), message: "FillInPgpPassphrase.".localize(), preferredStyle: .alert)
            alert.addAction(UIAlertAction(title: "Ok".localize(), style: .default) { _ in
                AppKeychain.shared.add(string: alert.textFields?.first?.text, for: Globals.pgpKeyPassphrase)
                Defaults.isRememberPGPPassphraseOn = true
                self.saveImportedKeys()
            })
            alert.addTextField { textField in
                textField.text = AppKeychain.shared.get(for: Globals.pgpKeyPassphrase)
                textField.isSecureTextEntry = true
            }
            self.present(alert, animated: true)
        })
        present(savePassphraseAlert, animated: true)
    }
}