//
//  FillRecoveryCodeViewController.swift
//  GMERemittance
//
//  Created by Sujal on 12/20/17.
//  Copyright © 2017 Gobal Money Express Co. Ltd. All rights reserved.
//

import Foundation
import UIKit

class FillRecoveryCodeViewController: UIViewController {
    
    private var fillrecoverycodeviewmodel = FillRecoveryCodeViewModel()
    private var activityIndicator: UIActivityIndicatorView = UIActivityIndicatorView()
    
    
    @IBOutlet weak var textFieldRecoveryCode: UITextField!
    
    @IBAction func gotoPreviousView(_ sender: Any) {
    
         _ = navigationController?.popViewController(animated: true)
    }
    
    
    @IBAction func submitRecoveryCode(_ sender: Any) {
    
        let recoverycode: String = textFieldRecoveryCode.text!
        fillrecoverycodeviewmodel.setCode(code: recoverycode)
        
        switch fillrecoverycodeviewmodel.checkCodeLength() {
        case .Valid:
            disableUserInteractions()
            showActivityIndicator(activityIndicator: activityIndicator)
            fillrecoverycodeviewmodel.resetUser()
        case .InValid(let error):
            self.popUpMessageError(value: 11, message: error)
        }
    }
    
    override func viewDidLoad() {
        
        super.viewDidLoad()
        
        self.hideKeyboardWhenTappedAround()
        
        textFieldRecoveryCode.delegate = self
        
        fillrecoverycodeviewmodel.authenticated.value = nil
        
        fillrecoverycodeviewmodel.internetConnection.value = nil
        
        fillrecoverycodeviewmodel.fillCodeConnectionTimeOut.value = nil
        /**
         connection timeout
         */
        fillrecoverycodeviewmodel.fillCodeConnectionTimeOut.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.enableUserInteractions()
            self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
            self.popUpMessage(value: 20)
        }
        
        /**
            Internet Check
         */
        fillrecoverycodeviewmodel.internetConnection.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.enableUserInteractions()
            self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
            self.popUpMessage(value: 15)
            
        }
        
        /**
            Check the authenticated code
         */
        fillrecoverycodeviewmodel.authenticated.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
            self.enableUserInteractions()
            guard $0! else {
                self.popUpMessageError(value: 10, message: self.fillrecoverycodeviewmodel.getErrorMessage())
                return
            }
             self.performSegue(withIdentifier: "changePassword", sender: nil)
        }
    }
}

extension FillRecoveryCodeViewController: UITextFieldDelegate {
    
    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
        guard let code = textField.text else {
            return true
        }
        let length = code.characters.count + string.characters.count - range.length
        return length <= 4
    }
}