//
//  KYCPersonalInfoViewController.swift
//  GMERemittance
//
//  Created by Sujal on 12/18/17.
//  Copyright © 2017 Gobal Money Express Co. Ltd. All rights reserved.
//

import Foundation
import UIKit
//import SDWebImage

class KYCPersonalInfoViewController: UIViewController {
    
    @IBOutlet weak var scrollView: UIScrollView!
    
    @IBOutlet weak var viewOutlet: UIView!
    
    @IBOutlet weak var viewProgressBarOutlet: UIView!
    
    private var activityIndicator: UIActivityIndicatorView = UIActivityIndicatorView()
    private var kycviewmodel = KYCViewModel()
    
    let pickerView = UIPickerView()
    var pickerData: [String] = [String]()
    
    let datePicker = UIDatePicker()
    
    @IBOutlet weak var textFieldFirstName: UITextField!
    @IBOutlet weak var textFieldMiddleName: UITextField!
    @IBOutlet weak var textFieldLastName: UITextField!
    @IBOutlet weak var textFieldNickName: UITextField!
    @IBOutlet weak var textFieldGender: UITextField!
    @IBOutlet weak var textFieldDOB: UITextField!
    @IBOutlet weak var textFieldPhone: UITextField!
    @IBOutlet weak var textFieldEmail: UITextField!
    @IBOutlet weak var textFieldNativeCountry: UITextField!
    @IBOutlet weak var textFieldCountry: UITextField!
    @IBOutlet weak var textFieldProvince: UITextField!
    @IBOutlet weak var textFieldOccupation: UITextField!
    
    var activeTextField: UITextField?
    
    var arrayOftextFields: [UITextField]!
    var selectedIndexFor: [String: Int] = [String: Int]()
    
    var personalInfo: [String]!
    
    var isPhone: Bool!
    var noConnectionTimeOutDialog: Bool?
    
    @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!
    
    var referralCodepopUpViewController: ReferralCodeViewController!
    
    @IBAction func submitPersonalInformation(_ sender: Any) {
        
        activeTextField?.resignFirstResponder()
        
        personalInfo = [textFieldFirstName.text!, textFieldLastName.text!, textFieldGender.text!, textFieldDOB.text!,
                        textFieldPhone.text!, textFieldEmail.text!, textFieldNativeCountry.text!, textFieldCountry.text!, textFieldProvince.text!, textFieldOccupation.text!]
        
        guard kycviewmodel.allFieldsFilled(arrayofInfo: personalInfo) else {
            self.popUpMessageError(value: 11, message: "Please fill all the fields")
            return
        }
        
        guard kycviewmodel.isValidAge(dob: textFieldDOB.text!) else {
            self.popUpMessageError(value: 11, message: "User is under age")
            return
        }
        
        if isPhone {
            kycviewmodel.updateSetMobileNumber(inputDigit: textFieldPhone.text!)
        } else {
            kycviewmodel.updateSetEmail(email: textFieldEmail.text!)
        }
        
        performSegue(withIdentifier: "fillKYCSecurityInfo", 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()
    }
    
    /**
     Date limit to current date
     */
    func setDatePickerLimit() {
        var components = DateComponents()
        components.year = -0
        let maxDate = Calendar.current.date(byAdding: components, to: Date())
        datePicker.maximumDate = maxDate
    }
    
    /**
     Update Country and occupation name to picker view
     */
    
    func bindCountryAndOccupationToUI() {
        kycviewmodel.countryAndOccupationFetched.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            guard $0! != 0 else {
                self.kycviewmodel.countryAndOccupationFetched.value = nil
                return
            }
            if $0! == 1 {
                self.kycviewmodel.countryAndOccupationFetched.value = nil
                
                //SET COUNTRY TEXT FIELD AND COUNTRY ID
                self.pickerData = self.kycviewmodel.getCountryName()
                
                self.showCountryWithFlag(textField: self.textFieldCountry, flagUrlString: self.kycviewmodel.getCountryFlagUrl(), index: 0)
                
            } else if $0 == 2 {
                self.kycviewmodel.countryAndOccupationFetched.value = nil
                //SET OCCUPATION TEXT FIELD
                
                let defaultOccupationIndex = self.kycviewmodel.getIndexForDefaultOccupation()
                
                self.selectedIndexFor["occupation"] = defaultOccupationIndex
                
                self.textFieldOccupation.text = self.kycviewmodel.getDefaultOccupation(index: defaultOccupationIndex)
                
                self.kycviewmodel.setOccupation(referenceIndex: defaultOccupationIndex)
                
            } 
        }
    }
    
    /**
     Display dialog to add referral code
     */
    func showReferralCodeDialog() {
        
        let storyboard = UIStoryboard.init(name: "Main", bundle: Bundle.main)
        
        referralCodepopUpViewController = storyboard.instantiateViewController(withIdentifier: "referralCodepopUp") as? ReferralCodeViewController
        
        self.navigationController?.navigationBar.isHidden = true
        
        self.addChildViewController(referralCodepopUpViewController)
        referralCodepopUpViewController.view.frame = self.view.bounds
        self.view.addSubview(referralCodepopUpViewController.view)
        referralCodepopUpViewController.didMove(toParentViewController: self)
        
        referralCodepopUpViewController.referralCodeAvailable.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.setUpNavBar(id: 102, title: "")
            if $0! {
                self.kycviewmodel.setReferralCode(referralCode: self.referralCodepopUpViewController.getReferralCode())
            }
            //self.showWelcomeMessage()
        }
    }
    
    /**
     Display welcome dialog
     */
    func showWelcomeMessage() {
        let storyboard = UIStoryboard.init(name: "Main", bundle: Bundle.main)
        
        if let popUpViewController = storyboard.instantiateViewController(withIdentifier: "popUpInfo") as? PopUpGeneralInfo {
            self.navigationController?.navigationBar.isHidden = true
            popUpViewController.indexValue = 0
            
            self.addChildViewController(popUpViewController)
            popUpViewController.view.frame = self.view.bounds
            self.view.addSubview(popUpViewController.view)
            popUpViewController.didMove(toParentViewController: self)
        }
    }
    
    /**
     internet check
     */
    func setUpNetworkListener() {
        kycviewmodel.internetConnection.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            if !$0! {
                self.popUpMessage(value: 15)
                self.kycviewmodel.internetConnection.value = nil
            }
        }
    }
    
    override func viewDidAppear(_ animated: Bool) {
        setUpNetworkListener()
    }
    
    override func viewDidLoad() {
        
        super.viewDidLoad()
        
        setUpAnotherLoginListener(genericviewmodel: kycviewmodel)
        
        setUpNavBar(id: 102, title: "")
        
        noConnectionTimeOutDialog = false
        viewOutlet.backgroundColor = UIColor(hex:0xec1c24)
        viewProgressBarOutlet.backgroundColor = UIColor(hex:0xec1c24)
        
        self.showWelcomeDialog()
        
        setDatePickerLimit()
        
        kycviewmodel.kycViewModelConnectionTimeOut.value = nil
        /**
         connection timeout
         */
        kycviewmodel.kycViewModelConnectionTimeOut.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            if !self.noConnectionTimeOutDialog! {
                self.enableUserInteractions()
                self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
                self.popUpMessage(value: 20)
            }
            self.noConnectionTimeOutDialog = true
        }
        
        bindCountryAndOccupationToUI()
        kycviewmodel.fetchRequiredCDDValues()
        
        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)
        
        let userId: String = UserDefaults.standard.object(forKey: "com.gmeremit.username") as! String
        
        
        if let _ = Int(userId) {
            isPhone = true
            textFieldPhone.text = userId
        } else {
            isPhone = false
            textFieldEmail.text = userId
        }
        
        arrayOftextFields = [textFieldFirstName, textFieldMiddleName, textFieldLastName, textFieldNickName, textFieldGender, textFieldDOB, textFieldPhone, textFieldEmail, textFieldNativeCountry, textFieldCountry, textFieldProvince, textFieldOccupation]
        
        selectedIndexFor["gender"] = 0
        selectedIndexFor["nativeCountry"] = 0
        selectedIndexFor["province"] = 0
        selectedIndexFor["occupation"] = 0
        
        for textField in arrayOftextFields! {
            textField.delegate = self
        }
        
        pickerView.dataSource = self
        pickerView.delegate = self
        
        textFieldGender.inputView = pickerView
        textFieldNativeCountry.inputView = pickerView
        textFieldProvince.inputView = pickerView
        textFieldOccupation.inputView = pickerView
        
        datePicker.datePickerMode = .date
        textFieldDOB.inputView = datePicker
        datePicker.addTarget(self, action: #selector(handleDatePicker(sender:)), for: .valueChanged)
        
        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(red:0.91, green:0.93, blue:0.95, alpha:1.0).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
        
        keyboardInteractionForTextFields()
    }
    
    /**
        To display keboard on text field according to user id i.e email or phone no
     */
    func keyboardInteractionForTextFields(){
        
        if isPhone {
            textFieldPhone.isEnabled = false
            
        } else {
            textFieldEmail.isEnabled = false
        }
        
        textFieldCountry.isEnabled = false
    }
    /**
     Set the Date format to "MM/dd/yyyy"
     */
    @objc func handleDatePicker(sender: UIDatePicker) {
        
        let dateFormatter = DateFormatter()
        dateFormatter.dateFormat = "MM/dd/yyyy"
        textFieldDOB.text = dateFormatter.string(from: sender.date)
        kycviewmodel.setDOB(dob: textFieldDOB.text!)
    }
    
    /**
     Show welcome dialog message when referral status is true
     */
    func showWelcomeDialog(){
        if let referralStatus = UserDefaults.standard.object(forKey: "com.gmeremit.isReferred") as? Bool {
            if referralStatus {
                showWelcomeMessage()
            } else {
                showReferralCodeDialog()
            }
        }
    }
}

extension KYCPersonalInfoViewController: UITextFieldDelegate {
    
    func textFieldDidBeginEditing(_ textField: UITextField) {
        
        
        activeTextField = textField
        
        if textField == textFieldGender ||
            textField == textFieldNativeCountry ||
            textField == textFieldProvince ||
            textField == textFieldOccupation {
            
            switch textField {
            case textFieldGender:
                pickerData = kycviewmodel.getCddGenderList()
            case textFieldNativeCountry:
                pickerData = kycviewmodel.getNativeCountryName()
            case textFieldProvince:
                pickerData = kycviewmodel.getProvince()
            case textFieldOccupation:
                pickerData = kycviewmodel.getCddOccupationList()
            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 textFieldGender:
                if let genderIndex = selectedIndexFor["gender"] {
                    pickerView.selectRow(genderIndex, inComponent: 0, animated: true)
                }
                if let genderIndex = selectedIndexFor["gender"] {
                    textField.text = pickerData[genderIndex]
                }
                if let genderIndex = selectedIndexFor["gender"]{
                    kycviewmodel.setGender(referenceIndex: genderIndex)
                }
            case textFieldNativeCountry:
                if let countryIndex = selectedIndexFor["nativeCountry"]{
                    pickerView.selectRow(countryIndex, inComponent: 0, animated: true)
                }
                if let countryIndex = selectedIndexFor["nativeCountry"]{
                    showCountryWithFlag(textField: textField, flagUrlString: kycviewmodel.getNativeCountryFlagUrl(index: countryIndex), index: countryIndex)
                }
                if let countryIndex = selectedIndexFor["nativeCountry"]{
                    kycviewmodel.setNativeCountry(referenceIndex: countryIndex)
                }
                
            case textFieldOccupation:
                
                if let occupationIndex = selectedIndexFor["occupation"]{
                    pickerView.selectRow(occupationIndex, inComponent: 0, animated: true)
                }
                if let occupationIndex = selectedIndexFor["occupation"]{
                    textField.text = pickerData[occupationIndex]
                }
                if let occupationIndex = selectedIndexFor["occupation"]{
                    kycviewmodel.setOccupation(referenceIndex: occupationIndex)
                }
                
            case textFieldProvince:
                if let provinceIndex = selectedIndexFor["province"]{
                    pickerView.selectRow(provinceIndex, inComponent: 0, animated: true)
                }
                if let provinceIndex = selectedIndexFor["province"]{
                    textField.text = pickerData[provinceIndex]
                }
                if let provinceIndex = selectedIndexFor["province"]{
                    kycviewmodel.setProvince(referenceIndex: provinceIndex)
                }
                
            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 == textFieldGender ||
            textField == textFieldOccupation ||
            textField == textFieldCountry ||
            textField == textFieldNativeCountry ||
            textField == textFieldProvince ||
            textField == textFieldDOB  {
            return false
        }
        
        let inputText = (textField.text! as NSString).replacingCharacters(in: range, with: string)
        
        switch textField {
        case textFieldFirstName:
            self.kycviewmodel.updateName(namePart: 1, inputString: inputText)
        case textFieldMiddleName:
            self.kycviewmodel.updateName(namePart: 2, inputString: inputText)
        case textFieldLastName:
            self.kycviewmodel.updateName(namePart: 3, inputString: inputText)
        case textFieldNickName:
            self.kycviewmodel.updateName(namePart: 0, inputString: inputText)
        case textFieldPhone:
            if isPhone {
                return false
            } else {
                self.kycviewmodel.updateSetMobileNumber(inputDigit: inputText)
                return true
            }
        case textFieldEmail:
            if isPhone {
                self.kycviewmodel.updateSetEmail(email: inputText)
                return true
            } else {
                return false
            }
        default:
            return false
        }
        
        return true
    }
}


extension KYCPersonalInfoViewController: 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, didSelectRow row: Int, inComponent component: Int) {
        
        if activeTextField == textFieldNativeCountry {
            
            selectedIndexFor["nativeCountry"] = row
            
            self.kycviewmodel.setNativeCountry(referenceIndex: row)
            
            let flagUrl = kycviewmodel.getNativeCountryFlagUrl(index: row)
            
            showCountryWithFlag(textField: activeTextField!, flagUrlString: flagUrl, index: row)
            
        } else {
            
            switch activeTextField! {
            case self.textFieldGender:
                selectedIndexFor["gender"] = row
                self.kycviewmodel.setGender(referenceIndex: row)
            case self.textFieldOccupation:
                selectedIndexFor["occupation"] = row
                self.kycviewmodel.setOccupation(referenceIndex: row)
            case self.textFieldProvince:
                selectedIndexFor["province"] = row
                self.kycviewmodel.setProvince(referenceIndex: row)
            default:
                break
            }
            
            activeTextField!.text = pickerData[row]
        }
        
        
    }
    
    func showCountryWithFlag(textField: UITextField, flagUrlString: String, index: Int) {
        
        let paddingView = UIView(frame: CGRect(x: 0, y: 0, width: 50, height: 50))
        let imageView = UIImageView(frame: CGRect(x: 0, y: 0, width: 30, height: 30))
        
        imageView.center = paddingView.center
        paddingView.addSubview(imageView)
        
        
        if let flagUrl = URL(string: flagUrlString) {
            
            imageView.sd_setImage(with: flagUrl, placeholderImage: nil, options: [.progressiveDownload,.scaleDownLargeImages], completed: nil)
        }
        
        textField.leftViewMode = UITextFieldViewMode.always
        textField.leftView = paddingView
        textField.text = pickerData[index]
    }
    
    func pickerView(_ pickerView: UIPickerView, rowHeightForComponent component: Int) -> CGFloat {
        return 60
    }
    
    func pickerView(_ pickerView: UIPickerView, viewForRow row: Int, forComponent component: Int, reusing view: UIView?) -> UIView {
        
        var myImageView: UIImageView?
        
        let myView = UIView(frame: CGRect(x: 0, y: 0, width: pickerView.bounds.width - 30, height: 60))
        
        let myLabel = UILabel(frame: CGRect(x: 60, y: 0, width: pickerView.bounds.width - 90, height: 60 ))
        
        myLabel.text = pickerData[row]
        
        myView.addSubview(myLabel)
        
        if activeTextField == textFieldNativeCountry {
            
            myImageView = UIImageView(frame: CGRect(x: 0, y: 5, width: 50, height: 50))
            
            
            let flagUrlString = kycviewmodel.getNativeCountryFlagUrl(index: row)
            
            if let flagUrl = URL(string: flagUrlString) {
                
                myImageView?.sd_setImage(with: flagUrl, placeholderImage: nil, options: [.progressiveDownload,.scaleDownLargeImages], completed: nil)
                
                myView.addSubview(myImageView!)
            }
        }
        
        return myView
    }
    
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        if segue.identifier == "fillKYCSecurityInfo" {
            let kycBankIDViewController
                = segue.destination as! KYCBankAndIDViewController
            kycBankIDViewController.kycviewmodel = self.kycviewmodel
            
        }
    }
}