//
//  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 {
                                        Localize.setCurrentLanguage(code)
            }
          print("code: \(code)")
            UserDefaults.standard.set(code, forKey: AppConstants.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!
    
    
    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 = AppConstants.themeBlueColor
        self.useBiometricAuthSwitch.addTarget(self, action: #selector(self.changeBiometricAuthSwitch(_:)), for: .valueChanged)
    }
  
    
    @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.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".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".localized()
    }
    
    func setupLanguages() {
        
        self.languages = Utility.getLanguages()
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        self.setupNormalNavigation()
        self.navigationItem.title = StringConstants().settingText
    }
    
    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        self.navigationItem.title = ""
    }
    
    @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()
        let viewcontroller = UIStoryboard.init(name: "CountryPicker", bundle: nil).instantiateViewController(withIdentifier: "CountryPickerViewController") as! CountryPickerViewController
        let data: [SendMoneyCountryViewModel] = self.languages
        viewcontroller.isLanguageSelection = true
        viewcontroller.data = data
        viewcontroller.doneAction = self.countrySelected
        viewcontroller.type = PickerTitle.country
        self.present(viewcontroller, animated: true, completion: nil)
    }
    
    func countrySelected(models: [SendMoneyCountryViewModel]) {
        self.selectedLanguage = models.first
    }
    
}