LONDON-IOS/GMERemittance/Wallet/WalletReviewViewController.swift

//
//  WalletReviewViewController.swift
//  GMERemittance
//
//  Created by Sujal on 2/28/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit

class WalletReviewViewController: UIViewController {

    @IBOutlet weak var scrollView: UIScrollView!
    @IBOutlet weak var contentView: UIView!
    @IBOutlet weak var labelMessage: UILabel!
    @IBOutlet weak var labelReviewMessage: UILabel!
    @IBOutlet weak var labelAmount: UILabel!
    @IBOutlet weak var labelID: UILabel!
    @IBOutlet weak var labelFullName: UILabel!
    @IBOutlet weak var buttonReview: UIButton!
    
    var walletviewmodel: WalletViewModel?
    var moneyRequestAccepted: Bool?
    private var checkDialog = 0
    
    private var activityIndicator: UIActivityIndicatorView = UIActivityIndicatorView()
    
    
    override func viewDidLoad() {
        super.viewDidLoad()

        
        setUpNavBar(id: 201, title: "Wallet to Wallet Transfer")
        
        guard walletviewmodel != nil, moneyRequestAccepted != nil else {
            self.popUpMessageInfo(value: 16, title: "No Data", message: "Data not received")
            buttonReview.isUserInteractionEnabled = false
            return
        }

        setUpAnotherLoginListener(genericviewmodel: walletviewmodel!)

        
        walletviewmodel?.walletConnectionTimeOut.value = nil
        /**
         connection timeout
         */
        walletviewmodel?.walletConnectionTimeOut.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.stopLoading()
            if self.checkDialog == 0{
                self.checkDialog = self.checkDialog + 1
                self.popUpMessage(value: 20)
            }
        }
        
        /**
            Check internet connection
         */

        walletviewmodel?.internetConnection.value = nil
        walletviewmodel?.internetConnection.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.stopLoading()
            self.popUpMessage(value: 15)
        }
        
        /**
            Api request for wallet transfer or request action
         */
        walletviewmodel!.walletActionPerformed.bind{ [unowned self] in
            guard $0 != nil else {
                return
            }
            self.stopLoading()
            
            guard $0! else {
                if self.checkDialog == 0{
                    self.checkDialog = self.checkDialog + 1
                    self.popUpMessageError(value: 10, message: (self.walletviewmodel?.getErrorMessage())!)
                }
                return
            }
            self.performSegue(withIdentifier: "walletSuccess", sender: nil)
        }
        
        /**
           Check review message
         */
        if walletviewmodel!.getModeIndex() == 0 {
            labelReviewMessage.text = "Review your Transfer"
            buttonReview.setTitle("Transfer", for: .normal)
        } else if walletviewmodel!.getModeIndex() == 1 {
            buttonReview.setTitle("Request", for: .normal)
            labelReviewMessage.text = "Review your Request"
        }
        
        self.setReviewMessage()
        
        scrollView.contentSize = contentView.frame.size
        
    }
    
    /**
        Set review message
     */
    func setReviewMessage(){
        let numberFormatter = NumberFormatter()
        numberFormatter.numberStyle = NumberFormatter.Style.decimal
        
        if let amount = walletviewmodel?.getAmount(){
            let amountNumber = Float(amount)! as NSNumber
            labelAmount.text = numberFormatter.string(from: amountNumber)! + " KRW"
        }
        if let gmeId = walletviewmodel?.getGMEID(){
            labelID.text = gmeId
        }
        if let fullName = walletviewmodel?.getFullName(){
            labelFullName.text = "(" + fullName + ")"
        }
        if let message = walletviewmodel?.getMessage(){
            labelMessage.text =  message
        }
    }
    
    /**
     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()
    }

    @IBAction func performWalletTransaction(_ sender: Any) {
        let alertController = UIAlertController(title: "Enter your login password", message: "", preferredStyle: .alert)
        
        alertController.addTextField { (textField : UITextField!) -> Void in
            textField.placeholder = "Password"
            textField.isSecureTextEntry = true
            textField.tag = 51 //unique identifier set
            textField.delegate = self
        }
        
        let confirmAction = UIAlertAction(title: "Confirm", style: .default, handler: {
            alert -> Void in
            
            if self.checkDialog == 1{
                self.checkDialog = 0
            }
            
            let passwordTextField = alertController.textFields![0] as UITextField
            if passwordTextField.text != "" {
                self.startLoading()
                self.walletviewmodel?.performWalletAction(password: passwordTextField.text!, moneyRequestAccepted: self.moneyRequestAccepted!)
                
            } else {
                self.popUpMessageError(value: 11, message: "Password is missing")
            }
        })
        
        let cancelAction = UIAlertAction(title: "Cancel", style: .destructive, handler: {
            (action : UIAlertAction!) -> Void in
        })
        
        cancelAction.setValue(UIColor.black, forKey: "titleTextColor")
        confirmAction.setValue(UIColor(hex:0xEC1C24), forKey: "titleTextColor")

        alertController.addAction(cancelAction)
        alertController.addAction(confirmAction)
        
        self.present(alertController, animated: true, completion: nil)
    }
    
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        if segue.identifier == "walletSuccess" {
            let walletSuccessViewController
                = segue.destination as! WalletSuccessViewController
            walletSuccessViewController.walletviewmodel = self.walletviewmodel
            
        }
    }
}

extension WalletReviewViewController: UITextFieldDelegate {
    func textFieldShouldBeginEditing(_ textField: UITextField) -> Bool {
        if textField.tag == 51 {
            textField.tag = 0
            return false
        }
        return true
    }
}