//
//  SettingViewController.swift
//  GMERemittance
//
//  Created by Sujal on 2/18/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit
import Localize_Swift

class SettingViewController: UIViewController {
  
  struct StringConstants {
    var changePasswordText = "change_password_text".localized()
    var settingText = "setting_text".localized()
    var languageText = "language_text".localized()
  }
  
  var languages: [SendMoneyCountryViewModel] = []
  var selectedLanguage: SendMoneyCountryViewModel? {
    didSet {
      let code = selectedLanguage?.code ?? "en"
      if code == "lk" {
        Localize.setCurrentLanguage("si")
      } else if code == "kh" {
        Localize.setCurrentLanguage("km")
      } else if  code == "kr" {
        Localize.setCurrentLanguage("ko")
      } else if  code == "mm" {
        Localize.setCurrentLanguage("my")
      } else if  code == "bd" {
        Localize.setCurrentLanguage("bn")
      } else if  code == "np" {
        Localize.setCurrentLanguage("ne")
      } else if code == "ru" {
        Localize.setCurrentLanguage("ru-RU")
      } else if code == "vn" {
        Localize.setCurrentLanguage("vi-VN")
      } else if code == "pk" {
        Localize.setCurrentLanguage("ur-PK")
      } else {
        Localize.setCurrentLanguage(code)
      }
      print("code: \(code)")
      GMEDB.shared.app.set(code, .firstTimeLanguageIsSet)
    }
  }
  
  @IBOutlet weak var settingLabel: UILabel!
  @IBOutlet weak var changePasswordButton: UIButton!
  @IBOutlet weak var useBiometricAuthLabel: UILabel!
  @IBOutlet weak var settingButton: UIButton!
  @IBOutlet weak var useBiometricAuthSwitch: UISwitch!
  @IBOutlet weak var settingTopBackgroundView: UIView!
  
  override func viewDidLoad() {
    super.viewDidLoad()
    NotificationCenter.default.addObserver(
      self,
      selector: #selector(setText),
      name: NSNotification.Name(LCLLanguageChangeNotification),
      object: nil
    )
    
    setupLanguages()
    configureLanguage()
    
    let userBiometricAuth = (KeyChain.shared.get(key: .biometricAuth) ?? "0" ) == "1" ? true : false
    self.useBiometricAuthSwitch.setOn(userBiometricAuth, animated: true)
    self.useBiometricAuthSwitch.onTintColor = .themeBlue
    self.useBiometricAuthSwitch.addTarget(
      self,
      action: #selector(self.changeBiometricAuthSwitch(_:)),
      for: .valueChanged
    )
    
//    settingTopBackgroundView.backgroundColor = .themeRed
  }
  
  @objc func changeBiometricAuthSwitch(_ sender: UISwitch) {
    let isOn = sender.isOn ? "1" : "0"
    
    if sender.isOn {
      BiometricAuthenticationWireframe().showBiometricAuthentication { error in
        if error != nil {
          DispatchQueue.main.async {
            self.alert(type: .error, message: error!.message)
            self.useBiometricAuthSwitch.setOn(false, animated: true)
          }
        } else {
          KeyChain.shared.save(data: isOn, key: .biometricAuth)
        }
      }
    } else {
      KeyChain.shared.save(data: isOn, key: .biometricAuth)
    }
    
  }
  
  @objc func setText() {
    self.changePasswordButton.setTitle("change_password_text".localized(), for: .normal)
    self.settingButton.setTitle("language_text".localized(), for: .normal)
    self.settingLabel.text = "setting_text".localized()
    useBiometricAuthLabel.text = "use_biometric_authentication_text".localized()
  }
  
  private func configureLanguage() {
    self.changePasswordButton.setTitle("change_password_text".localized(), for: .normal)
    self.settingButton.setTitle("language_text".localized(), for: .normal)
    useBiometricAuthLabel.text = "use_biometric_authentication_text".localized()
  }
  
  func setupLanguages() {
    
    self.languages = Utility.getLanguages()
  }
  
  override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
    setupNormalNavigation(color: .themeRedDark)
    setupNavigationShadow(isUse: false)
//    self.navigationItem.title = StringConstants().settingText
  }
  
  override func viewWillDisappear(_ animated: Bool) {
    super.viewWillDisappear(animated)
    self.navigationItem.title = ""
    setupNavigationShadow(isUse: true)
  }
  
  @IBAction func redirectToChangePassword(_ sender: Any) {
    let storyboard = UIStoryboard.init(name: "Profile", bundle: Bundle.main)
    if let changePasswordViewController = storyboard.instantiateViewController(
      withIdentifier: "changePassword"
    ) as? ProfileChangePasswordViewController {
      self.navigationController!.pushViewController(changePasswordViewController, animated: true)
    }
  }
  
  @IBAction func settings(_ sender: Any) {
    self.showCountryPickerview()
  }
  
  @objc private func showCountryPickerview() {
    setupLanguages()
    TablePresenterWireframe().openWith(
      delegate: self,
      model: languages,
      source: self
    )
    
  }
  
  func countrySelected(models: [SendMoneyCountryViewModel]) {
    self.selectedLanguage = models.first
  }
  
}

extension SettingViewController: TablePresenterDelegate {
  func tablePresenterView(_ viewController: TablePresenterViewController) -> TablePresenterConfiguration {
    return TablePresenterConfiguration(
      presenterTitle: "select_country_text".localized(),
      closeButtonTitle: "cancel_text".localized(),
      notFoundTitle: "no_result_found_text".localized(),
      searchBarPlaceHolder: "search_country_text".localized()
    )
  }
  
  func tablePresenterView(
    _ viewController: TablePresenterViewController,
    didSelectModel model: TablePresenterProtocol?
  ) {
    self.selectedLanguage = (model as? SendMoneyCountryViewModel) ?? self.selectedLanguage
  }
  
}