//
//  WalletViewController.swift
//  GMERemittance
//
//  Created by Sujal on 2/3/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit

class WalletViewController: UIViewController, UIScrollViewDelegate {
    
    @IBOutlet weak var segmentedControl: UISegmentedControl!
    @IBOutlet weak var stackView: UIStackView!
    @IBOutlet weak var scrollView: UIScrollView!
    @IBOutlet weak var contentView: UIView!
    @IBOutlet weak var labelID: UILabel!
    @IBOutlet weak var textFieldID: UITextField!
    @IBOutlet weak var textFieldAmount: UITextField!
    @IBOutlet weak var textFieldMessage: UITextField!
    @IBOutlet weak var buttonSubmit: UIButton!
    @IBOutlet weak var buttonMoneyRequestCount: UIButton!
    
    private var activeTextField: UITextField?
    
    private var walletviewmodel = WalletViewModel()
//    private var profileviewmodel = ProfileViewModel()
    private  var tracktransactionviewmodel = TrackTransactionViewModel()
    public var transaction: Transaction?
    private var activityIndicator: UIActivityIndicatorView = UIActivityIndicatorView()
  
    private var moneyRequestAccepted: Bool = false
    public static var notificationCode: String = ""
    private var isScrolled: Bool = false
    
    public static var walletConnectionTimeOutCheck = 0
    
    @objc func appMovedToForeground() {
        activeTextField?.resignFirstResponder()
        if isScrolled {
            isScrolled = !isScrolled
        }
    }
    
    override func viewDidAppear(_ animated: Bool) {
        
        setUpAnotherLoginListener(genericviewmodel: walletviewmodel)
        setUpAnotherLoginListener(genericviewmodel: tracktransactionviewmodel)
//        setUpAnotherLoginListener(genericviewmodel: profileviewmodel)
        
//        profileviewmodel.profileConnectionTimeOut.value = nil
        /**
         connection timeout
         */
//        profileviewmodel.profileConnectionTimeOut.bind { [unowned self] in
//            guard $0 != nil else {
//                return
//            }
//            self.stopLoading()
//            if WalletViewController.walletConnectionTimeOutCheck == 0{
//                WalletViewController.walletConnectionTimeOutCheck = WalletViewController.walletConnectionTimeOutCheck+1
//                self.popUpMessage(value: 31)
//            }
//        }
//
//        tracktransactionviewmodel.transactionListConnectionTimeOut.value = nil
        /**
         connection timeout
         */
//        tracktransactionviewmodel.transactionListConnectionTimeOut.bind { [unowned self] in
//            guard $0 != nil else {
//                return
//            }
//            self.stopLoading()
//            if WalletViewController.walletConnectionTimeOutCheck == 0{
//                WalletViewController.walletConnectionTimeOutCheck = WalletViewController.walletConnectionTimeOutCheck+1
//                self.popUpMessage(value: 31)
//            }
//        }
        
//        walletviewmodel.walletConnectionTimeOut.value = nil
//        /**
//         connection timeout
//         */
//        walletviewmodel.walletConnectionTimeOut.bind { [unowned self] in
//            guard $0 != nil else {
//                return
//            }
//            self.stopLoading()
//            if WalletViewController.walletConnectionTimeOutCheck == 0{
//                WalletViewController.walletConnectionTimeOutCheck = WalletViewController.walletConnectionTimeOutCheck+1
//                self.popUpMessage(value: 31)
//            }
//        }
    
//        setUpNetworkListener()
//        setUpNetworkListenerForProfile()
//        setUpProfileListener()
//        setUpTransactionListener()
//        setUpWalletDetailsListener()
//
//        /*so that the value is reset and no error message is seen when going back and froth in error case*/
//        self.walletviewmodel.walletActionPerformed.value = nil
//
//        self.buttonMoneyRequestCount.setTitle("", for: .normal)
//        self.buttonMoneyRequestCount.isUserInteractionEnabled = false
//
//        tracktransactionviewmodel.fetchTransactionListForTrackAndWallet(recipientId: "", recipientName: "", transactionType: "moneyRequest", startDate: nil, endDate: nil, txPage: nil, txSize: nil)
//    }
//
//    override func viewDidLoad() {
//        super.viewDidLoad()
//
//        setUpNavBar(id: 201, title: "Wallet to Wallet Transfer")
//
//         NotificationCenter.default.addObserver(self, selector: #selector(appMovedToForeground), name: Notification.Name.UIApplicationWillEnterForeground, object: nil)
//
//        registerTapListener()
//
//
//        self.startLoading()
//        walletviewmodel.getTransactionInfo()
//
//        scrollView.delegate = self
//        scrollView.addSubview(contentView)
//        scrollView.contentSize = CGSize(width: 2000, height:2000)
//
//        if transaction != nil {
//            moneyRequestAccepted = true
//            segmentedControl.isUserInteractionEnabled = false
//            walletviewmodel.setMode(segmentIndex: 2)
//            walletviewmodel.setMoneyRequestTransactionID(id: transaction!.transactionId)
//
//            textFieldID.text = transaction!.receiverId
//            textFieldAmount.text = transaction!.payoutAmountOriginal
//
//
//            textFieldID.isUserInteractionEnabled = false
//        }
//        textFieldID.delegate = self
//        textFieldAmount.delegate = self
//        textFieldMessage.delegate = self
//
//
//        segmentedControl.selectedSegmentIndex = 0
//        segmentedControl.addTarget(self, action: #selector(modeChanged(_:)), for: .valueChanged)
//
//        walletviewmodel.setMode(segmentIndex: 0)
//    }
//
//    /**
//        Disable user interaction while fetching data from api
//     */
//    func startLoading(){
//        self.showActivityIndicator(activityIndicator: self.activityIndicator)
//        self.disableUserInteractions()
//    }
//
//    /**
//        Enable user interaction while fetching data from api
//     */
//    func stopLoading(){
//        self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
//        self.enableUserInteractions()
//    }
//
//    /**
//        Check internet connection
//     */
//    func setUpNetworkListener() {
//        walletviewmodel.internetConnection.bind { [unowned self] in
//            guard $0 != nil else {
//                return
//            }
//            self.walletviewmodel.internetConnection.value = nil
//            self.stopLoading()
//            self.popUpMessage(value: 15)
//        }
//    }
//
//    func setUpNetworkListenerForProfile() {
//        profileviewmodel.internetConnection.bind { [unowned self] in
//            guard $0 != nil else {
//                return
//            }
//            self.profileviewmodel.internetConnection.value = nil
//            self.stopLoading()
//            self.popUpMessage(value: 15)
//        }
//    }
//
//    /**
//        Set GMEUser name
//     */
//    func setUpProfileListener() {
//        profileviewmodel.userDataAvailable.bind { [unowned self] in
//            guard $0 != nil else {
//                return
//            }
//            self.stopLoading()
//            if !($0!) {
//                if WalletViewController.walletConnectionTimeOutCheck == 0{
//                    WalletViewController.walletConnectionTimeOutCheck = WalletViewController.walletConnectionTimeOutCheck+1
//                    self.popUpMessageError(value: 10, message: self.profileviewmodel.getErrorMessage())
//                }
//            } else {
//                if !self.profileviewmodel.hasFilledKYC() {
//                    self.popUpMessageError(value: 11, message: "User has not filled KYC form")
//                } else {
//                    self.walletviewmodel.setGMEUsername(fullName: self.profileviewmodel.getFullName())
//                    self.performSegue(withIdentifier: "walletReview", sender: nil)
//                }
//            }
//            self.profileviewmodel.userDataAvailable.value = nil
//        }
//    }
//
//    /**
//        Update the view with the transaction count
//     */
//    func setUpTransactionListener() {
//        tracktransactionviewmodel.transactionListObtained.bind{ [weak self] in
//            guard $0 != nil else {
//                return
//            }
//            guard $0! else {
//                return
//            }
//            let requestCount = self?.tracktransactionviewmodel.getCount()
//            self?.buttonMoneyRequestCount.setTitle(String(requestCount!), for: .normal)
//
//            if requestCount != nil {
//                if requestCount! > 0 {
//                    self?.buttonMoneyRequestCount.isUserInteractionEnabled = true
//                }
//            }
//        }
//    }
//
//    /**
//        Set maximum amount
//     */
//    func setUpWalletDetailsListener() {
//        walletviewmodel.walletLimitsFetched.bind{ [unowned self] in
//            guard $0 != nil else {
//                return
//            }
//            self.stopLoading()
//            guard $0! else {
//                if WalletViewController.walletConnectionTimeOutCheck == 0{
//                    WalletViewController.walletConnectionTimeOutCheck = WalletViewController.walletConnectionTimeOutCheck+1
//                    self.popUpMessageError(value: 10, message: self.walletviewmodel.getErrorMessage())
//                }
//                self.walletviewmodel.walletLimitsFetched.value = nil
//                self.buttonSubmit.isUserInteractionEnabled = false
//                return
//            }
//            self.textFieldAmount.placeholder = "Maximum Amount" + " " + self.walletviewmodel.getMaximumTransferLimit() + " " + "KRW"
//            self.walletviewmodel.walletLimitsFetched.value = nil
//        }
//    }
//
//    @objc func modeChanged(_ segControl: UISegmentedControl) {
//
//        textFieldID.text = ""
//        textFieldMessage.text = ""
//        textFieldAmount.text = ""
//
//        switch segControl.selectedSegmentIndex {
//        case 0:
//            labelID.text = "GME User ID of Receiver"
//            buttonSubmit.setTitle("Transfer", for: .normal)
//            walletviewmodel.setMode(segmentIndex: 0)
//        case 1:
//            labelID.text = "GME User ID of Sender"
//            buttonSubmit.setTitle("Request", for: .normal)
//            walletviewmodel.setMode(segmentIndex: 1)
//        default:
//            break
//        }
//    }
//
//
//    @IBAction func reviewTransferDetails(_ sender: Any) {
//        activeTextField?.resignFirstResponder()
//
//        walletviewmodel.setParam(amount: textFieldAmount.text!,
//                                 gmeID: textFieldID.text!,
//                                 message: textFieldMessage.text!)
//
//        switch walletviewmodel.validateFields() {
//        case .Valid:
//            self.startLoading()
//            profileviewmodel.fetchUserInfo(userId: walletviewmodel.getGMEID())
//        case .InValid(let validationError):
//            self.popUpMessageError(value: 11, message: validationError)
//        }
//    }
//
//    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
//        switch segue.identifier {
//        case "walletReview"?:
//            let walletReviewViewController
//                = segue.destination as! WalletReviewViewController
//            walletReviewViewController.walletviewmodel = self.walletviewmodel
//            walletReviewViewController.moneyRequestAccepted = self.moneyRequestAccepted
//        case "walletTransfer"?:
//            activeTextField?.resignFirstResponder()
//            let walletTransactionListViewController
//                = segue.destination as! WalletTransactionListViewController
//            walletTransactionListViewController.walletStatus = "walletTransfer"
//        case "walletBorrow"?:
//            activeTextField?.resignFirstResponder()
//            let walletTransactionListViewController
//                = segue.destination as! WalletTransactionListViewController
//            walletTransactionListViewController.walletStatus = "walletBorrow"
//        case "moneyRequest"?:
//            activeTextField?.resignFirstResponder()
//            let moneyRequestViewController
//                = segue.destination as! MoneyRequestViewController
//            moneyRequestViewController.moneyRequests = tracktransactionviewmodel.getTransactions()
//        default:
//            return
//        }
//
//    }
//}
//
//extension WalletViewController: UITextFieldDelegate {
//
//
//    func textFieldDidBeginEditing(_ textField: UITextField) {
//
//        activeTextField = textField
//
//        checkScroll()
//
//        if textField == textFieldAmount {
//            if textField.text!.contains("KRW") {
//                textField.text = textField.text!.replacingOccurrences(of: " KRW", with: "", options: NSString.CompareOptions.literal, range: nil)
//            }
//        }
//    }
//
//    func textFieldDidEndEditing(_ textField: UITextField) {
//
//        checkScroll()
//
//        if textField == textFieldAmount {
//            if textField.text != "" && !textField.text!.contains("KRW") {
//                textField.text!.append(" KRW")
//            }
//        }
//    }
//
//    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
//
//        let inputText = (textField.text! as NSString).replacingCharacters(in: range, with: string)
//        if textField == textFieldAmount {
//            //^[0-9]+$
//            if NSPredicate(format:"SELF MATCHES %@", "[0-9]*$").evaluate(with: inputText) {
//                return true
//            }
//            return false
//        }
//        return true
//    }
//
//    func textFieldShouldReturn(_ textField: UITextField) -> Bool {
//        switch textField {
//        case textFieldID:
//            textFieldAmount.becomeFirstResponder()
//        case textFieldMessage:
//            textFieldMessage.resignFirstResponder()
//        default:
//            return false
//        }
//        return true
//    }
//}
//
//extension WalletViewController: ScrollableProtocol {
//    var offset: CGFloat {
//        get {
//            return stackView.frame.origin.y - 20
//        }
//    }
//
//    var viewScrolled: Bool {
//        get {
//            return isScrolled
//        }
//    }
//
//    /**
//        Scroll logic
//     */
//    func checkScroll() {
//        if !viewScrolled {
//            performScroll(direction: 0)
//            isScrolled = !isScrolled
//        } else {
//            performScroll(direction: 1)
//            isScrolled = !isScrolled
//        }
//    }
//
//    func registerTapListener() {
//        let tap: UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(clearKeyboard))
//        view.addGestureRecognizer(tap)
//    }
//
//    /**
//        Dismiss keypad
//     */
//    @objc func clearKeyboard() {
//        activeTextField?.resignFirstResponder()
//        if viewScrolled {
//            performScroll(direction: 1)
//            isScrolled = !isScrolled
//        }
//    }
//
//    /**
//        Active keypad if direction is equal to 0
//     - parameter direction: display keypad if direction is equal to 0
//     */
//    func performScroll(direction: Int) {
//        if direction == 0 {
//            UIView.animate(withDuration: 0.3, animations: {
//                self.view.frame = self.view.frame.offsetBy(dx: 0, dy: self.offset * -1)
//            })
//        } else if direction == 1 {
//            UIView.animate(withDuration: 0.3, animations: {
//                self.view.frame = self.view.frame.offsetBy(dx: 0, dy: self.offset)
//            })
//        }
    }
}