LONDON-IOS/GMERemittance/MobileRecharge/MobileRechargeViewController.swift

//
//  MobileRechargeViewController.swift
//  GMERemittance
//
//  Created by Sujal on 1/13/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit
import ContactsUI



class MobileRechargeViewController: UIViewController {
    
    @IBOutlet weak var moneyUnitLableOutlet: UILabel!
    @IBOutlet weak var operatorTypeTextField: UITextField!
    @IBOutlet weak var segmentedControl: UISegmentedControl!
    @IBOutlet weak var mobileOperatorsViewOutlet: UIView!
    @IBOutlet weak var topUpViewOutlet: UIView!
    @IBOutlet weak var buttonRecharge: UIButton!
    @IBOutlet weak var viewBinding: UIView!
    @IBOutlet weak var viewPhoneNumber: UIView!
    @IBOutlet weak var viewRechargeAmount: UIView!
    @IBOutlet weak var viewOperator: UIView!
    @IBOutlet weak var imageViewOperator: UIImageView!
    @IBOutlet weak var textFieldNumber: UITextField!
    @IBOutlet weak var textFieldAmount: UITextField!
    @IBOutlet weak var labelCountryCode: UILabel!
    @IBOutlet weak var labelTopUp: UILabel!
    @IBOutlet weak var labelOperator: UILabel!
    @IBOutlet weak var textFieldCountryName: UITextField!
    
    private let contactPicker = CNContactPickerViewController()
    private var pickerView: UIPickerView = UIPickerView()
    private var activityIndicator: UIActivityIndicatorView = UIActivityIndicatorView()
    
    private var opertorArray = [String]()
    private var pickerData: [String] = [String]()
    private var nativeCountry: Bool = true
    private var operatorSelected: String = "nil"
    private var amountSelected: String = "nil"
    private var status:String??
    private var amountSelectedFromList: String = "nil"
    private var amountUnitSelectedFromList: String = "nil"
    private var mobilerechargeviewmodel = MobileRechargeViewModel()
    public var amountList = [String]()
    public var availableAmountBoth: [AvailableAmounts]?
    
    public static var mobileRechargeConnectionTimeOutCheck = 0
    
    private var countCheck: Box<Bool?> = Box(nil)
    
    override func viewDidLoad() {
        super.viewDidLoad()
        textFieldNumber.addTarget(self, action: #selector(textFieldDidChange), for: .editingChanged)
        setUpAnotherLoginListener(genericviewmodel: mobilerechargeviewmodel)
        setUpNavBar(id: 201, title: "Mobile Recharge")
        self.viewBinding.clipsToBounds = true
        self.textFieldNumber.placeholder = "98########"
        
        self.mobileOperatorViewListener()
        self.topUpOperatorViewListener()
        
        self.hideKeyboardWhenTappedAround()
        self.hideMobileDetails()
        
        self.requestMobileOperatorApi()
        
        mobilerechargeviewmodel.rechargeConnectionTimeOut.value = nil
        /**
         connection timeout
         */
        mobilerechargeviewmodel.rechargeConnectionTimeOut.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.stopLoading()
            if MobileRechargeViewController.mobileRechargeConnectionTimeOutCheck == 0{
                MobileRechargeViewController.mobileRechargeConnectionTimeOutCheck = MobileRechargeViewController.mobileRechargeConnectionTimeOutCheck+1
                self.popUpMessage(value: 38)
            }
        }
        
        /**
         Check interent connection
         */
        mobilerechargeviewmodel.internetConnection.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.enableUserInteractions()
            self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
            self.popUpMessage(value: 15)
            
        }
        
        /**
         Get list of mobile operators like NTC,NCELL and list of amounts as per operator
         */
        mobilerechargeviewmodel.mobileRechargeListBool.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            guard $0! else{
                self.stopLoading()
                self.hideMobileDetails()
                self.textFieldNumber.text = ""
                self.popUpMessageError(value: 10, message: self.mobilerechargeviewmodel.getInvalideDeviceMessageError());
                
                return
            }
            
            if let object = self.mobilerechargeviewmodel.getRechargeAmounts(){
                self.setRechargeAmountsList(availableAmounts : object)
            }
        }
        
        
        mobilerechargeviewmodel.isValidNumber.bind{ [unowned self] in
            guard $0 != nil else {
                return
            }
            
            guard $0! else {
                self.hideMobileDetails()
                return
            }
            if Reachability.isConnectedToNetwork() == true{
                let position = self.getIndex(operatorName: self.operatorTypeTextField.text!)
                self.requestApiForListofAmount(telecomId: self.self.mobilerechargeviewmodel.getMobileOperator()[position].telecomId!, mobileNumber: self.textFieldNumber.text!)
            }else{
                self.stopLoading()
                self.popUpMessage(value: 15)
            }
        }
        
        mobilerechargeviewmodel.mobileOperatorBool.bind{ [unowned self] in
            guard $0 != nil else {
                return
            }
            
            self.textFieldCountryName.text = self.mobilerechargeviewmodel.getMobileOperator().first?.country
            if self.mobilerechargeviewmodel.getMobileOperator().count>0{
                for i in self.mobilerechargeviewmodel.getMobileOperator()[0..<self.mobilerechargeviewmodel.getMobileOperator().count]{
                    if  let abbreviation = i.abbreviation{
                        self.opertorArray.append(abbreviation)
                    }
                }
            }
            if self.mobilerechargeviewmodel.getMobileOperator().count > 0{
                if let abbreviation = self.mobilerechargeviewmodel.getMobileOperator()[0].abbreviation{
                    self.operatorTypeTextField.text = abbreviation
                    if self.operatorTypeTextField.text != ""{
                        self.setInitialValue(operatorType: self.operatorTypeTextField.text!)
                    }
                }
            }
            self.stopLoading()
        }
        self.setDelegateAndDataSource()
    }
    
    /**
     After valid number
     Api call for amount list
     */
    @objc func textFieldDidChange(){
        if textFieldNumber.text?.count == 10{
            if Reachability.isConnectedToNetwork(){
                self.mobilerechargeviewmodel.updateMobileNumber(enteredNumber: textFieldNumber.text!)
                if (operatorTypeTextField.text?.count)!>0{
                    let position = self.getIndex(operatorName: self.operatorTypeTextField.text!)
                    self.requestApiForListofAmount(telecomId: self.mobilerechargeviewmodel.getMobileOperator()[position].telecomId!, mobileNumber: self.textFieldNumber.text!)
                } else {
                    self.popUpMessageInfo(value: 16, title: "Alert!", message: "Operator is not selected")                }
            } else {
                stopLoading()
                self.popUpMessage(value: 15)
            }
        }else{
            hideMobileDetails()
        }
    }
    
    /**
     To call list of amount for topup through phone contact
     */
    func apiCallFromContact(){
        if Reachability.isConnectedToNetwork(){
            if (operatorTypeTextField.text?.count)!>0{
                let position = self.getIndex(operatorName: self.operatorTypeTextField.text!)
                self.requestApiForListofAmount(telecomId: self.mobilerechargeviewmodel.getMobileOperator()[position].telecomId!, mobileNumber: self.textFieldNumber.text!)
            } else {
                self.popUpMessageInfo(value: 16, title: "Alert!", message: "Operator is not selected.")                }
        } else {
            stopLoading()
            self.popUpMessage(value: 15)
        }
    }
    
    /**
     Set recharge amount list in local object
     */
    func setRechargeAmountsList(availableAmounts: AvailableRechargeAmounts){
        self.stopLoading()
        self.textFieldNumber.resignFirstResponder()
        self.showMobileDetails()
        
        if self.operatorTypeTextField.text != ""{
            let index = self.getIndex(operatorName: operatorTypeTextField.text!)
            if index != 100000{
                labelOperator.text = mobilerechargeviewmodel.getMobileOperator()[index].operatorName
                if let url = mobilerechargeviewmodel.getMobileOperator()[index].iconUrl{
                    downloadImage(url: Foundation.URL(string: url)!)
                }
            }
        }
        
        self.availableAmountBoth?.removeAll()
        self.amountList.removeAll()
        self.availableAmountBoth = availableAmounts.availableAmounts
        if let amountListOfObject = availableAmounts.availableAmounts{
            for amount in amountListOfObject{
                let value = Float (amount.original)
                amountList.append((value?.cleanValue)!)
            }
        }
        self.textFieldAmount.text = self.amountList[0]
        self.moneyUnitLableOutlet.text = "NPR(=\(availableAmountBoth![0].converted) KRW)"
    }
    
    
    /**
     Request api for list of amount
     */
    func requestApiForListofAmount(telecomId: String , mobileNumber: String){
        self.startLoading()
        self.mobilerechargeviewmodel.callApiForListofRechargeAmounts(telecomId: telecomId, mobileNumber: mobileNumber)
    }
    
    /**
     Set delegate and datasource to number of textfield and pickerview
     */
    func setDelegateAndDataSource(){
        self.textFieldCountryName.delegate = self
        self.operatorTypeTextField.delegate = self
        self.textFieldNumber.delegate = self
        self.textFieldAmount.delegate = self
        
        self.pickerView.dataSource = self
        self.pickerView.delegate = self
        
        self.textFieldAmount.inputView = pickerView
    }
    
    /**
     Add a view listener for user easilibility
     */
    func topUpOperatorViewListener(){
        let tap = UITapGestureRecognizer(target: self, action: #selector(self.topUpOperatorTouchHappen(_:)))
        topUpViewOutlet.addGestureRecognizer(tap)
        topUpViewOutlet.isUserInteractionEnabled = true
    }
    
    /**
     Add a view listener for user easilibility
     */
    func mobileOperatorViewListener(){
        let tap = UITapGestureRecognizer(target: self, action: #selector(self.mobileOperatorTouchHappen(_:)))
        mobileOperatorsViewOutlet.addGestureRecognizer(tap)
        mobileOperatorsViewOutlet.isUserInteractionEnabled = true
    }
    
    /**
     Action when user want to fetch number from there contact list
     */
    @IBAction func accessContacts(_ sender: Any) {
        hideMobileDetails()
        contactPicker.delegate = self
        self.present(contactPicker, animated: true, completion: nil)
    }
    
    /**
     Action when operator value and recharge amount is selected.
     */
    @IBAction func reviewRecharge(_ sender: Any) {
        guard textFieldAmount.text != "" else {
            self.popUpMessageError(value: 11, message: "Please select the recharge amount")
            return
        }
        self.performSegue(withIdentifier: "reviewRecharge", sender: nil)
    }
    
    /**
     Active mobile operator pickerview
     */
    @objc func mobileOperatorTouchHappen(_ sender: UITapGestureRecognizer){
        clickLogic(textFieldType: "mobileOperator")
    }
    
    /**
     Active mobile operator pickerview
     */
    @IBAction func mobileOperatorPickerActionButton(_ sender: Any) {
        clickLogic(textFieldType: "mobileOperator")
    }
    
    /**
     Active topUp amount pickerview
     */
    @objc func topUpOperatorTouchHappen(_ sender: UITapGestureRecognizer){
        clickLogic(textFieldType: "topUpAmount")
    }
    
    /**
     Active topUp amount pickerview
     */
    @IBAction func selectTopUpAmount(_ sender: Any) {
        clickLogic(textFieldType: "topUpAmount")
    }
    
    /**
     Func to active pickerview as per parameter provided
     
     - parameter textFieldType: check which textfield is active
     */
    func clickLogic(textFieldType: String){
        switch textFieldType {
        case "mobileOperator":
            if let operatorText = operatorTypeTextField.text{
                if let index = self.opertorArray.index(of: operatorText){
                    self.operatorTypeTextField.inputView = self.pickerView
                    self.status = "mobileOperator"
                    operatorTypeTextField.becomeFirstResponder()
                    self.pickerView.selectRow(index, inComponent: 0, animated: true)
                }
            }
        case "topUpAmount":
            self.textFieldAmount.inputView = self.pickerView
            self.status = "topUpAmount"
            textFieldAmount.becomeFirstResponder()
            if let index = amountList.index(where: { $0 == textFieldAmount.text}) {
                self.pickerView.selectRow(index, inComponent: 0, animated: true)
            }
        default:
            break
        }
    }
    
    /**
     Only support to nepal for now.
     */
    @IBAction func countryDropDownButtonAction(_ sender: Any) {
        self.popUpMessageInfo(value: 16, title: "Info", message: "Support only to Nepal.")
    }
    
    /**
     Request api for mobile operator and topup amount
     */
    func requestMobileOperatorApi(){
        if mobilerechargeviewmodel.getMobileOperator().count == 0{
            mobilerechargeviewmodel.callMobileOperatorApi()
            self.startLoading()
        }
        mobilerechargeviewmodel.setCountryCode(countryCode: labelCountryCode.text!)
    }
    
    /**
     Request api for mobile operator and topup amount
     
     -  parameter operatorType: operator selected by user like NTC,NCELL,UTL
     */
    func setInitialValue(operatorType: String){
        let position = getIndex(operatorName: operatorType)
        if self.getTopUpAmount(position: position).count > 0{
            textFieldCountryName.text = "Nepal"
            let floatValue = Float (self.getTopUpAmount(position: position)[0])
            textFieldAmount.text = floatValue?.cleanValue
            moneyUnitLableOutlet.text = "NPR(=\(mobilerechargeviewmodel.getMobileOperator()[position].availableAmounts![0].converted) KRW)"
        }
        self.pickerData = self.getTopUpAmount(position: position)
    }
    
    /**
     Disable user interaction while fetching data from api
     */
    func startLoading(){
        self.showProgressHud()
//        disableUserInteractions()
//        showActivityIndicator(activityIndicator: activityIndicator)
    }
    
    /**
     Enable user interaction while fetching data from api
     */
    func stopLoading(){
        self.hideProgressHud()
    }
    
    /**
     Get list of topUp amount as per operator selected
     
     -  parameter position: operator array index
     -  returns: List of topUp amount
     */
    func getTopUpAmount(position: Int) -> [String]{
        var topUpAmount = [String]()
        if let availableAmount = self.mobilerechargeviewmodel.getMobileOperator()[position].availableAmounts{
            print("*******available Amount*******", availableAmount)
            for i in availableAmount[0..<((availableAmount.count))]{
                let value = Float (i.original)
                topUpAmount.append((value?.cleanValue)!)
            }
        }
        return topUpAmount
    }
    
    /**
     Picker view done and cancel button
     */
    func pickUp(_ textField : UITextField){
        // UIPickerView
        self.pickerView = UIPickerView(frame:CGRect(x: 0, y: 0, width: self.view.frame.size.width, height: 216))
        self.pickerView.delegate = self
        self.pickerView.dataSource = self
        //self.pickerView.backgroundColor = UIColor.white
        textField.inputView = self.pickerView
        
        // ToolBar
        let toolBar = UIToolbar()
        toolBar.barStyle = .default
        toolBar.isTranslucent = true
        toolBar.tintColor = UIColor(red: 92/255, green: 216/255, blue: 255/255, alpha: 1)
        toolBar.sizeToFit()
        
        // Adding Button ToolBar
        let customButton = UIButton()
        customButton.setTitle("Done", for: .normal)
        
        var cancel = UIBarButtonItem()
        
        if textField == textFieldAmount {
            customButton.addTarget(self, action: #selector(MobileRechargeViewController.doneClick), for: .touchUpInside)
            cancel = UIBarButtonItem(title: "Cancel", style: .done, target: self, action: #selector(self.cancelClick))
            cancel.tintColor = UIColor.black
        }else if textField == operatorTypeTextField{
            customButton.addTarget(self, action: #selector(MobileRechargeViewController.doneClickOperator), for: .touchUpInside)
            cancel = UIBarButtonItem(title: "Cancel", style: .done, target: self, action: #selector(self.cancelClickOperator))
            cancel.tintColor = UIColor.black
        }
        
        customButton.setTitleColor(UIColor(hex : 0xED1C24), for: .normal)
        customButton.frame = CGRect(x: 0, y: 0, width: 60, height: 30)
        
        let doneButton = UIBarButtonItem(customView: customButton)
        let spaceButton = UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil)
        
        toolBar.setItems([cancel,spaceButton, doneButton], animated: false)
        toolBar.isUserInteractionEnabled = true
        textField.inputAccessoryView = toolBar
    }
    
    /**
     Done action in topup pickerview
     */
    @objc func doneClick() {
        if self.amountSelected != "nil"{
            if self.amountSelectedFromList != "nil" && self.amountUnitSelectedFromList != "nil"{
                self.textFieldAmount.text = self.amountSelectedFromList
                self.moneyUnitLableOutlet.text = amountUnitSelectedFromList
            }
        }else{
            if self.operatorTypeTextField.text != "" {
                if self.opertorArray.count > 0{
                    self.textFieldAmount.text = self.amountList[0]
                }
            }
        }
        self.textFieldAmount.resignFirstResponder()
    }
    
    /**
     Done action in operator pickerview
     */
    @objc func doneClickOperator(){
        if self.operatorSelected != "nil"{
            self.operatorTypeTextField.text = self.operatorSelected
            hideMobileDetails()
            textFieldNumber.text = ""
        }else{
            if self.mobilerechargeviewmodel.getMobileOperator().count > 0{
                self.operatorTypeTextField.text = mobilerechargeviewmodel.getMobileOperator()[0].abbreviation
            }
        }
        self.operatorTypeTextField.resignFirstResponder()
    }
    
    /**
     Cancel action in topUp pickerview
     */
    @objc func cancelClick(){
        self.textFieldAmount.resignFirstResponder()
    }
    
    /**
     Cancel action in operator pickerview
     */
    @objc func cancelClickOperator(){
        self.operatorTypeTextField.resignFirstResponder()
    }
    
    /**
     Get operator posotion checking operator name
     - parameter operatorName : operator name like NTC,NCELL,UTL
     - returns : operator position
     */
    func getIndex(operatorName: String) -> Int{
        if let index = opertorArray.index(of: operatorName){
            return index
        }
        return 100000
    }
    
    /**
     Update UI showing list of operators and topUp amount
     */
    func showMobileDetails() {
        
        viewRechargeAmount.isHidden = false
        viewOperator.isHidden = false
        
        viewPhoneNumber.layer.cornerRadius = 0
        viewBinding.layer.cornerRadius = 10
        
        buttonRecharge.isHidden = false
        
        let telecom_index = mobilerechargeviewmodel.getTelecomOperator(isNativeCountry: nativeCountry, mobileNumber: textFieldNumber.text!)
        
        textFieldAmount.text = mobilerechargeviewmodel.getTopUpAmount()
        
        if nativeCountry {
            if telecom_index == 1 {
                labelOperator.text = "NTC"
                imageViewOperator.image = UIImage(named: "ic_ntc")
            } else if telecom_index == 2 {
                labelOperator.text = "NCell"
                imageViewOperator.image = UIImage(named: "ic_contacts")
            } else {
                labelOperator.text = "Operator unknown"
                imageViewOperator.image = UIImage(named: "ic_contacts")
            }
        } else {
            labelOperator.text = "Korean Telecom"
            imageViewOperator.image = UIImage(named: "ic_contacts")
        }
        
        textFieldAmount.layer.masksToBounds = true
        textFieldAmount.layer.borderWidth = 1
        textFieldAmount.layer.borderColor = UIColor.white.cgColor
        
        if let index = opertorArray.index(of: operatorTypeTextField.text!){
            if let availableAmounts = mobilerechargeviewmodel.getMobileOperator()[index].availableAmounts{
                if availableAmounts.count > 0{
                    if let cleanValue = Float (mobilerechargeviewmodel.getMobileOperator()[index].availableAmounts![0].original)?.cleanValue{
                        textFieldAmount.text = cleanValue
                    }
                    if let abbreviationValue = mobilerechargeviewmodel.getMobileOperator()[index].abbreviation{
                        labelOperator.text = abbreviationValue
                    }
                    if let url = mobilerechargeviewmodel.getMobileOperator()[index].iconUrl{
                        downloadImage(url: Foundation.URL(string: url)!)
                    }
                }
            }else{
                textFieldAmount.text = ""
                moneyUnitLableOutlet.text = ""
            }
        }
    }
    
    /**
     Hide view if no data is available
     */
    func hideMobileDetails() {
        viewBinding.layer.cornerRadius = 0.0
        viewPhoneNumber.layer.cornerRadius = 10
        
        viewRechargeAmount.isHidden = true
        viewOperator.isHidden = true
        
        buttonRecharge.isHidden = true
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        
        if segue.identifier == "reviewRecharge" {
            
            if operatorTypeTextField.text != ""{
                let position = getIndex(operatorName: operatorTypeTextField.text!)
                if position != 100000{
                    if let telecomId = mobilerechargeviewmodel.getMobileOperator()[position].telecomId{
                        mobilerechargeviewmodel.setTelecomId(telecomId: telecomId)
                    }
                }
            }
            let reviewRechargeViewController = segue.destination as! MobileRechargeReviewViewController
            reviewRechargeViewController.convertedData = "\(self.moneyUnitLableOutlet.text!)"
            reviewRechargeViewController.transferAmount = self.textFieldAmount.text
            if let operatorType = operatorTypeTextField.text {
                if operatorTypeTextField.text != ""{
                    if let index = self.opertorArray.index(of: operatorType){
                        reviewRechargeViewController.operatorUrl = self.mobilerechargeviewmodel.getMobileOperator()[index].iconUrl
                    }
                }
            }
            reviewRechargeViewController.mobilerechargeviewmodel = self.mobilerechargeviewmodel
        }
    }
    
    func getDataFromUrl(url: URL, completion: @escaping (Data?, URLResponse?, Error?) -> ()) {
        URLSession.shared.dataTask(with: url) { data, response, error in
            completion(data, response, error)
            }.resume()
    }
    
    /**
     Set image in imageview
     - parameter url: image url provided by API
     */
    func downloadImage(url: URL) {
        getDataFromUrl(url: url) { data, response, error in
            guard let data = data, error == nil else { return }
            DispatchQueue.main.async() {
                if let data = UIImage(data: data){
                    self.imageViewOperator.image = data
                }
            }
        }
    }
}

extension MobileRechargeViewController: UITextFieldDelegate {
    func textFieldDidBeginEditing(_ textField: UITextField) {
        if textField == textFieldAmount {
            self.status = "topUpAmount"
            self.pickUp(textField)
            if let index = pickerData.index(where: { $0 == textFieldAmount.text}) {
                self.pickerView.selectRow(index, inComponent: 0, animated: true)
            }
            
        }
        else if textField == operatorTypeTextField{
            self.status = "mobileOperator"
            self.pickUp(textField)
            if self.operatorTypeTextField.text != ""{
                let position = getIndex(operatorName: self.operatorTypeTextField.text!)
                if self.getTopUpAmount(position: position).count > 0{
                    let floatValue = Float (self.getTopUpAmount(position: position)[0])
                    textFieldAmount.text = floatValue?.cleanValue
                    if mobilerechargeviewmodel.getMobileOperator().count > 0{
                        //moneyUnitLableOutlet.text = "NPR(=\(mobilerechargeviewmodel.getMobileOperator()[position].availableAmounts![0].converted) KRW)"
                    }
                }
                self.pickerData = self.getTopUpAmount(position: position)
            }
        }
    }
    
    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
        
        if textField == textFieldNumber{
            let newString = (textField.text! as NSString).replacingCharacters(in: range, with: string)
            if newString.count > 10{
                return false
            } else {
                return true
            }
        } else if textField == textFieldCountryName {
            textField.resignFirstResponder()
        }
        return false
        
    }
    
    func textFieldDidEndEditing(_ textField: UITextField) {
        if textField == textFieldAmount{
            self.textFieldAmount.resignFirstResponder()
        }
    }
}

extension MobileRechargeViewController: UIPickerViewDataSource, UIPickerViewDelegate {
    
    func numberOfComponents(in pickerView: UIPickerView) -> Int {
        return 1
    }
    
    func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
        if self.status == "topUpAmount"{
            return amountList.count
        }
        else if self.status == "mobileOperator"{
            return opertorArray.count
        }
        return 0
    }
    
    func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
        if self.status == "topUpAmount"{
            return amountList[row]
        }
        else if self.status == "mobileOperator"{
            return opertorArray[row]
        }
        return ""
    }
    
    func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
        if self.status == "topUpAmount"{
            self.amountSelected = amountList[row]
            if self.amountSelected != "nil"{
                if self.operatorTypeTextField.text != ""{
                    if mobilerechargeviewmodel.getMobileOperator().count > 0{
                        amountSelectedFromList = self.amountSelected
                        amountUnitSelectedFromList = "NPR(=\(availableAmountBoth![row].converted) KRW)"
                    }
                }
            }
        }
        else if self.status == "mobileOperator"{
            self.operatorSelected = opertorArray[row]
        }
    }
}

extension MobileRechargeViewController: CNContactPickerDelegate {
    
    func contactPicker(_ picker: CNContactPickerViewController, didSelect contact: CNContact) {
        let phoneNumberCount = contact.phoneNumbers.count
        
        guard phoneNumberCount > 0 else {
            dismiss(animated: true) {
                self.popUpMessageError(value: 10, message: "Selected contact does not have a number")
            }
            return
        }
        
        if phoneNumberCount == 1 {
            setNumberFromContact(contactNumber: contact.phoneNumbers[0].value.stringValue)
            self.apiCallFromContact()
            
        } else {
            let alertController = UIAlertController(title: "Select one of the numbers", message: nil, preferredStyle: .alert)
            
            for i in 0...phoneNumberCount-1 {
                let phoneAction = UIAlertAction(title: contact.phoneNumbers[i].value.stringValue, style: .default, handler: {
                    alert -> Void in
                    self.setNumberFromContact(contactNumber: contact.phoneNumbers[i].value.stringValue)
                    self.apiCallFromContact()
                    
                })
                alertController.addAction(phoneAction)
            }
            let cancelAction = UIAlertAction(title: "Cancel", style: .destructive, handler: {
                alert -> Void in
                
            })
            alertController.addAction(cancelAction)
            
            dismiss(animated: true) {
                self.present(alertController, animated: true, completion: nil)
            }
        }
    }
    
    func setNumberFromContact(contactNumber: String) {
        var contactNumber = contactNumber.replacingOccurrences(of: "-", with: "")
        contactNumber = contactNumber.replacingOccurrences(of: "(", with: "")
        contactNumber = contactNumber.replacingOccurrences(of: ")", with: "")
        contactNumber = contactNumber.removeWhitespacesInBetween()
        guard contactNumber.count >= 10 else {
            dismiss(animated: true) {
                self.popUpMessageError(value: 10, message: "Selected contact does not have a valid number")
            }
            return
        }
        textFieldNumber.text = String(contactNumber.suffix(10))
        mobilerechargeviewmodel.updateMobileNumber(enteredNumber: textFieldNumber.text!)
    }
    func contactPickerDidCancel(_ picker: CNContactPickerViewController) {
        
    }
}

extension Float {
    var cleanValue: String {
        return self.truncatingRemainder(dividingBy: 1) == 0 ? String(format: "%.0f", self) : String(self)
    }
}