LONDON-IOS/GMERemittance/FillKYC/KYCBankAndIDViewController.swift

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

import UIKit

class KYCBankAndIDViewController: UIViewController {
    
    var kycviewmodel: KYCViewModel?
    
    @IBOutlet weak var scrollView: UIScrollView!
    
    @IBOutlet weak var viewOutlet: UIView!
    @IBOutlet weak var viewProgressBarOutlet: UIView!
    
    private var activityIndicator: UIActivityIndicatorView = UIActivityIndicatorView()
    
    var activeTextField: UITextField?
    
    @IBOutlet weak var textFieldBankName: UITextField!
    @IBOutlet weak var textFieldAccountNumber: UITextField!
    @IBOutlet weak var textFieldVerificationType: UITextField!
    @IBOutlet weak var textFieldVerificationID: UITextField!
    @IBOutlet weak var textFieldExpiryDate: UITextField!
    @IBOutlet weak var textFieldSourceFund: UITextField!
    
    let datePicker = UIDatePicker()
    
    let pickerView = UIPickerView()
    var pickerData: [String] = [String]()
    
    var verificationTypeIDValue: [String] = [String]()
    
    var arrayOftextFields: [UITextField]!
    var selectedIndexFor: [String: Int] = [String: Int]()
    
    var securityInfo: [String]!
    
    @IBOutlet weak var kycFirstStep: UIView!
    @IBOutlet weak var kycProgessOne: UIView!
    @IBOutlet weak var kycSecondStep: UIView!
    @IBOutlet weak var kycProgessSecond: UIView!
    @IBOutlet weak var kycFinalStep: UIView!
    
    @IBAction func submitSecurityInformation(_ sender: Any) {
        
        view.endEditing(true)
        securityInfo = [textFieldBankName.text!, textFieldAccountNumber.text!, textFieldVerificationType.text!,
                        textFieldVerificationID.text!, textFieldExpiryDate.text!, textFieldSourceFund.text!]
        
        guard (kycviewmodel?.allFieldsFilled(arrayofInfo: securityInfo))! else {
            self.popUpMessageError(value: 11, message: "Please fill all the fields")
            return
        }
        guard (kycviewmodel?.isValidDate(expiryDate: textFieldExpiryDate.text!))! else {
            self.popUpMessageError(value: 11, message: "Date already expired")
            return
        }
        
        
        performSegue(withIdentifier: "fillKYCDocumentInfo", sender: nil)
    }
    
    
    @objc func keyboardWillShow(notification: NSNotification) {
        
        var userInfo = notification.userInfo!
        var keyboardFrame:CGRect = (userInfo[UIKeyboardFrameEndUserInfoKey] as! NSValue).cgRectValue
        keyboardFrame = self.view.convert(keyboardFrame, from: nil)
        
        var contentInset:UIEdgeInsets = self.scrollView.contentInset
        contentInset.bottom = keyboardFrame.size.height + 100
        scrollView.contentInset = contentInset
    }
    
    @objc  func keyboardWillHide(notification: NSNotification) {
        
        self.scrollView.contentInset = UIEdgeInsets.zero
    }
    
    
    @objc func clearKeyboard() {
        
        activeTextField?.resignFirstResponder()
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        
        setUpNavBar(id: 103, title: "")
        
        
        viewOutlet.backgroundColor = UIColor(hex:0xec1c24)
        viewProgressBarOutlet.backgroundColor = UIColor(hex:0xec1c24)
        
        guard kycviewmodel != nil else {
            return
        }
        
        // Do any additional setup after loading the view.
        // Kyc progress View
        kycFirstStep.layer.cornerRadius = kycFirstStep.frame.size.width/2
        kycFirstStep.layer.borderColor = UIColor.white.cgColor
        kycFirstStep.layer.borderWidth = 1.0
        
        kycSecondStep.layer.cornerRadius = kycSecondStep.frame.size.width/2
        kycSecondStep.layer.borderColor = UIColor.white.cgColor
        kycSecondStep.layer.borderWidth = 1.0
        
        kycFinalStep.layer.cornerRadius = kycFinalStep.frame.size.width/2
        //        kycFinalStep.layer.borderColor = UIColor(red:0.91, green:0.93, blue:0.95, alpha:1.0).cgColor
        //        kycFinalStep.layer.borderWidth = 1.0
        
        
        NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow), name: NSNotification.Name.UIKeyboardWillShow, object: nil)
        
        NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide), name: NSNotification.Name.UIKeyboardWillHide, object: nil)
        
        let tap: UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(clearKeyboard))
        
        view.addGestureRecognizer(tap)
        
        pickerView.dataSource = self
        pickerView.delegate = self
        
        textFieldBankName.inputView = pickerView
        textFieldVerificationType.inputView = pickerView
        textFieldSourceFund.inputView = pickerView
        
        datePicker.datePickerMode = .date
        textFieldExpiryDate.inputView = datePicker
        datePicker.addTarget(self, action: #selector(handleDatePicker(sender:)), for: .valueChanged)
        
        arrayOftextFields = [textFieldBankName, textFieldAccountNumber, textFieldVerificationType, textFieldVerificationID, textFieldExpiryDate, textFieldSourceFund]
        
        for textField in arrayOftextFields! {
            textField.delegate = self
        }
        /// Inital Index value
        selectedIndexFor["bankName"] = 0
        selectedIndexFor["verificationType"] = 0
        selectedIndexFor["sourceFund"] = 0
    }
    
    @objc func handleDatePicker(sender: UIDatePicker) {
        let dateFormatter = DateFormatter()
        dateFormatter.dateFormat = "MM/dd/yyyy"
        textFieldExpiryDate.text = dateFormatter.string(from: sender.date)
        kycviewmodel?.setExpiryDate(expDate: textFieldExpiryDate.text!)
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        if segue.identifier == "fillKYCDocumentInfo" {
            let kycDocumentViewController
                = segue.destination as! KYCDocumentsUploadViewController
            kycDocumentViewController.kycviewmodel = self.kycviewmodel
            
        }
    }
    
}


extension KYCBankAndIDViewController: UITextFieldDelegate {
    
    func updatePlaceHolderForVerificationID(verificationIDValue: String) {
        switch verificationIDValue {
        case "1302", "8008":
            textFieldVerificationID.placeholder = "yymmdd-XXXXXXX"
        case "10996":
            textFieldVerificationID.placeholder = "Enter your Passport No."
        case "10988":
            textFieldVerificationID.placeholder = "Enter your Business Registration No."
        default:
            return
        }
    }
    func textFieldDidBeginEditing(_ textField: UITextField) {
        
        activeTextField = textField
        
        if textField == textFieldBankName || textField == textFieldVerificationType || textField == textFieldSourceFund {
            switch textField {
            case textFieldBankName:
                if (kycviewmodel?.getCddPrimaryBankList().count)! > 0 {
                    pickerData = (kycviewmodel?.getCddPrimaryBankList())!
                }
            case textFieldVerificationType:
                if (kycviewmodel?.getCddVerificationIDList().count)! > 0 {
                    pickerData = (kycviewmodel?.getCddVerificationIDList())!
                }
            case textFieldSourceFund:
                if (kycviewmodel?.getCddSourceFund().count)! > 0 {
                    pickerData = (kycviewmodel?.getCddSourceFund())!
                }
            default:
                return
            }
            
            guard pickerData.count > 0 else {
                self.popUpMessageInfo(value: 16, title: "Fetching data", message: "Please fill other fields while some data are being loaded")
                return
            }
            
            pickerView.reloadAllComponents()
            
            switch textField {
                
            case textFieldBankName:
                if let bankIndex = selectedIndexFor["bankName"]{
                    pickerView.selectRow(bankIndex, inComponent: 0, animated: true)
                }
                if let bankIndex = selectedIndexFor["bankName"]{
                    textField.text = pickerData[bankIndex]
                }
                if let bankIndex = selectedIndexFor["bankName"]{
                    kycviewmodel?.setPrimaryBank(referenceIndex: bankIndex)
                }
            case textFieldVerificationType:
                if let verificationIndex = selectedIndexFor["verificationType"]{
                    pickerView.selectRow(verificationIndex, inComponent: 0, animated: true)
                }
                if let verificationIndex = selectedIndexFor["verificationType"]{
                    textField.text = pickerData[verificationIndex]
                }
                if let verificationIndex = selectedIndexFor["verificationType"]{
                    kycviewmodel?.setVerificationType(referenceIndex: verificationIndex)
                }
                if (kycviewmodel?.getCddVerificationIDValueList().count)! > 0 {
                    verificationTypeIDValue = (kycviewmodel?.getCddVerificationIDValueList())!
                }
                if let verificationIndex = selectedIndexFor["verificationType"]{
                    updatePlaceHolderForVerificationID(verificationIDValue: verificationTypeIDValue[verificationIndex])
                }
            case textFieldSourceFund:
                if let fundIndex = selectedIndexFor["sourceFund"]{
                    pickerView.selectRow(fundIndex, inComponent: 0, animated: true)
                }
                if let fundIndex = selectedIndexFor["sourceFund"]{
                    textField.text = pickerData[fundIndex]
                }
                if let fundIndex = selectedIndexFor["sourceFund"]{
                    kycviewmodel?.setSourceFund(referenceIndex: fundIndex)
                }
            default:
                return
            }
        }
    }
    
    func textFieldShouldReturn(_ textField: UITextField) -> Bool {
        let index: Int = arrayOftextFields.index(of: textField)!
        guard index == (arrayOftextFields.count-1) else {
            arrayOftextFields[index+1].becomeFirstResponder()
            return true
        }
        textField.resignFirstResponder()
        return true
    }
    
    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
        
        if textField == textFieldBankName ||
            textField == textFieldVerificationType ||
            textField == textFieldExpiryDate {
            return false
        }
        let inputText = (textField.text! as NSString).replacingCharacters(in: range, with: string)
        
        switch textField {
        case textFieldAccountNumber:
            self.kycviewmodel?.updateAccountNumber(inputString: inputText)
        case textFieldVerificationID:
            self.kycviewmodel?.updateVerificationIDNumber(inputString: inputText)
        case textFieldSourceFund:
            return true
        default:
            return false
        }
        return true
    }
    
}

extension KYCBankAndIDViewController: UIPickerViewDataSource, UIPickerViewDelegate {
    
    func numberOfComponents(in pickerView: UIPickerView) -> Int {
        return 1
    }
    
    func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
        return pickerData.count
    }
    
    func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
        return pickerData[row]
    }
    
    func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
        activeTextField!.text = pickerData[row]
        if activeTextField == textFieldBankName {
            selectedIndexFor["bankName"] = row
            kycviewmodel?.setPrimaryBank(referenceIndex: row)
        } else if activeTextField == textFieldVerificationType {
            selectedIndexFor["verificationType"] = row
            kycviewmodel?.setVerificationType(referenceIndex: row)
            
            updatePlaceHolderForVerificationID(verificationIDValue: verificationTypeIDValue[row])
            
        } else if activeTextField == textFieldSourceFund {
            selectedIndexFor["sourceFund"] = row
            kycviewmodel?.setSourceFund(referenceIndex: row)
        }
    }
}