//
//  ResendExchangeViewController.swift
//  GME Remit
//
//  Created by gme_2 on 18/03/2019.
//Copyright © 2019 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit

class ResendExchangeViewController: UIViewController {
    
    
    // MARK: IBOutlets
    
    @IBOutlet weak var exchangeBackground1: UIView!
    @IBOutlet weak var exchangeBackground2: UIView!
    @IBOutlet weak var backgroundViewCountryLabel1: UIView!
    @IBOutlet weak var backgroundViewCountryLabel2: UIView!
    @IBOutlet weak var countryListStackView: UIStackView!
    @IBOutlet weak var countryCodeLabel: UILabel!
    @IBOutlet weak var countryFlagImage: UIImageView!
    
    @IBOutlet weak var continueButton: UIButton!
    
    @IBOutlet weak var senderTextField: UITextField!
    @IBOutlet weak var reciepientTextField: UITextField!
    
    @IBOutlet weak var transferFeeInfoLabel: UILabel!
    @IBOutlet weak var exchangeRateLabel: UILabel!
    @IBOutlet weak var exchangeInfoStackView: UIStackView!
    
    @IBOutlet weak var youSendTitleLabel: UILabel!
    @IBOutlet weak var recipientGetsTitleLabel: UILabel!
    
    
    
    // MARK: Properties
    
    var reciepient: Recipient? {
        didSet {
            self.requestModel?.reciepient = reciepient
        }
    }
    var requestModel: ResendRequestModel?
    var transactionId: String?
    
    var resendInfoModel: ResendDetail? {
        didSet {
            self.senderTextField.text = Utility.getCommaSeperatedStringWithDecimal(numberString: resendInfoModel?.exchangeRate?.cAmount ?? "")
            self.reciepientTextField.text = Utility.getCommaSeperatedStringWithDecimal(numberString: resendInfoModel?.exchangeRate?.pAmount ?? "")
            self.calcBy = resendInfoModel?.exchangeRate?.calcBy ?? ""
            guard let reciever = resendInfoModel?.receiver else {return}
            self.reciepient = self.convertReciepient(model: reciever)
            self.setCountryFlag(countryCode: self.resendInfoModel?.receiver?.rCountryCode ?? "")
        }
    }
    
    
    var exchangeRateModel: SendMoneyExchangeRateModel? {
        didSet {
            self.reciepientTextField.text = Utility.getCommaSeperatedStringWithDecimal(numberString: self.exchangeRateModel?.recipientAmount ?? "")
            self.senderTextField.text = Utility.getCommaSeperatedStringWithDecimal(numberString: self.exchangeRateModel?.senderAmount ?? "")
            let transferFee = self.exchangeRateModel?.transferFee ?? ""
            self.transferFeeInfoLabel.text = transferFee + "(" + "transfer_fee_included_text".localized() + ")"
            let exchangeRate = self.exchangeRateModel?.exchangeRate ?? ""
            self.exchangeRateLabel.text = exchangeRate + " (" + "current_exchange_rate_text".localized() + ")"
            self.countryCodeLabel.text = exchangeRateModel?.reciepientCurrency
            UIView.animate(withDuration: 0.33) {
                self.transferFeeInfoLabel.isHidden = false
                self.exchangeRateLabel.isHidden = false
                self.exchangeInfoStackView.isHidden = false
                self.transferFeeInfoLabel.alpha = 1
                self.exchangeRateLabel.alpha = 1
                self.exchangeInfoStackView.alpha = 1
            }
            
            self.action = ._continue
            self.requestModel?.exchangeRateDetail = exchangeRateModel
        }
    }
    
    var presenter: ResendExchangeModuleInterface?
    var calcBy = ""
    
    var action: ActionBehaviour? {
        didSet {
            if let _action = action {
                switch _action {
                case .calculate:
                    self.continueButton.setTitle("calculate_text".localized(), for: .normal)
                case ._continue:
                    self.continueButton.setTitle("continue_text".localized(), for: .normal)
                }
            }
        }
    }
     var actionDelegate: SendMoneyExchangeRateActionDelegate?
    var selectedCurrencyViewModel: SendMoneyExchangeRateCurrencyViewModel?
    
    // MARK: VC's Life cycle
    
    override func viewDidLoad() {
        super.viewDidLoad()
        self.setup()
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        self.navigationItem.title = "resend_money_text".localized()
        initialSetup()
        self.presenter?.viewIsReady()
        self.action = ActionBehaviour.calculate
    }
    
    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        self.navigationItem.title = ""
    }
    
    // MARK: IBActions
    @IBAction func continueButton(_ sender: UIButton) {
        self.view.endEditing(true)
        if let _action = action {
            switch _action {
            case .calculate:
                self.calculate()
            case ._continue:
                // todo
                self.showReceiverDetailPage()
            }
        }
    }

    
    
    // MARK: Other Functions
    
    private func setup() {
        // all setup should be done here
       initialSetup()
        setupTargets()
        setupView()
        configureLanguage()
    }
    
    private func configureLanguage() {
        self.recipientGetsTitleLabel.text = "recepient_gets_text".localized()
        self.youSendTitleLabel.text = "you_send_text".localized()
        
    }
    
    
    func setupView() {
        [backgroundViewCountryLabel1, backgroundViewCountryLabel2].forEach({
            $0?.layer.cornerRadius = 5
        })
        
        [exchangeBackground1, exchangeBackground2].forEach({
            $0?.layer.borderWidth = 1
            $0?.layer.borderColor = UIColor.init(hex: "#E0E0E0").cgColor
            $0?.layer.cornerRadius = 5
        })
    }
    
    private func showReceiverDetailPage() {
        
        let sendmoneyModel = self.convertModel()
        if let navigation = self.navigationController, let reciepient = self.reciepient {
            let wireframe = SendMoneyVerificationWireframe()
            wireframe.openVerification(reciepient: reciepient, model: sendmoneyModel, source: navigation)
        }
    }

    func convertReciepient(model: ResendReceiver) -> Recipient {
        var reciepient = Recipient()
        reciepient.firstName = model.rFullName
        reciepient.recipientId = self.resendInfoModel?.remitDetial?.ReceiverId
        reciepient.reasonId = self.resendInfoModel?.remitDetial?.PurposeOfRemittance
        reciepient.relationId = self.resendInfoModel?.remitDetial?.RelWithSender
        reciepient.address = model.rAddress
        reciepient.country = model.rCountry
        reciepient.mobileNumber = model.rMobile
        return reciepient
    }
    

    private func convertModel() -> SendMoneyRequestModel {
        let model = SendMoneyRequestModel()
        self.exchangeRateModel?.calcBy  = self.calcBy
        self.exchangeRateModel?.autodebitSendingAmount = self.senderTextField.text!.stringRemovingComma()
        model.exchangeRateDetail = self.exchangeRateModel
        model.autoDebitAccount =  self.requestModel?.autoDebitAccount
        
        /* SendMoneyPayoutMode */
        
//        "deliveryMethodId": model.paymemtMode?.id ?? "",
//        "payOutPartner": model.paymemtMode?.payoutPartner ?? "",
//        "ReceiverAccountNo": model.paymemtMode?.accountNumber ?? "",
        
        
        let paymentMode = SendMoneyPayoutMode()
        paymentMode.id = self.resendInfoModel?.remitDetial?.DeliveryMethodId
        paymentMode.payoutPartner = self.resendInfoModel?.remitDetial?.PayOutPartner
        paymentMode.accountNumber = self.resendInfoModel?.remitDetial?.ReceiverAccountNo
        paymentMode.mode = self.resendInfoModel?.receiver?.deliveryMethod
        model.paymemtMode = paymentMode
        
        
        /* SendMoneyBank */
//        "pAgent": model.bank?.id ?? "",
        
        let bank = SendMoneyBank()
        bank.id = self.resendInfoModel?.remitDetial?.PAgent
        bank.name = self.requestModel?.transaction?.bankName
        model.bank = bank
        
        /* SendMoneyBankBranch */
//        branch
//        "pBranch": model.branch?.id ?? "",
        let branch = SendMoneyBankBranch()
        branch.id = self.resendInfoModel?.remitDetial?.PBranch
        model.branch = branch
        return model
    }
    
    private func initialSetup() {
        
        self.exchangeRateModel = nil
        self.exchangeRateLabel.isHidden = true
        self.exchangeRateLabel.alpha = 0
        self.transferFeeInfoLabel.isHidden = true
        self.transferFeeInfoLabel.alpha = 0
        self.exchangeInfoStackView.isHidden = true
        exchangeInfoStackView.alpha = 0
        self.setCountryFlag(countryCode: self.reciepient?.countryCode ?? "")
        let deliveryMethod = self.requestModel?.paymemtMode
    }
    
    
    
    private func setCountryFlag(countryCode: String) {
        let flag = CountryInfo().getFlag(for: countryCode)
        self.countryFlagImage.image = flag
    }
    
    private func setupTargets() {
        self.reciepientTextField.addTarget(self, action: #selector(self.textChanged(sender:)), for: UIControlEvents.editingChanged)
        
        self.senderTextField.addTarget(self, action: #selector(self.textChanged(sender:)), for: UIControlEvents.editingChanged)
    }
    
    func calculate() {
        let senderAmount = self.senderTextField.text!
        let reciepientAmount = self.reciepientTextField.text!
        self.calculateExchangeRate(senderAmount: senderAmount, reciepientAmount: reciepientAmount, calcBy: self.calcBy)
    }
    
    func calculateExchangeRate(senderAmount: String, reciepientAmount: String, calcBy: String) {
        let senderAmount = senderAmount.stringRemovingComma() // send sAmt amount
        let reciepientAmount =  reciepientAmount.stringRemovingComma()
        let recipientCurrency = self.resendInfoModel?.exchangeRate?.pCurrency
        let reciepientCountryId = self.resendInfoModel?.exchangeRate?.pCountryId
        let paymentMethod = self.requestModel?.autoDebitAccount?.type
        let paymentMethodId = self.resendInfoModel?.exchangeRate?.serviceType
        let payoutPartner = self.resendInfoModel?.exchangeRate?.payoutPartner
        let myUsername = Utility.getMyUserName()
        let bankId = self.resendInfoModel?.exchangeRate?.payoutAgent
        let reciepientCountryName = self.resendInfoModel?.exchangeRate?.pCountryName
        
        self.calculate(senderAmt: senderAmount, recieverAmt: reciepientAmount, recieverCurrency: recipientCurrency, recieverCountryName: reciepientCountryName, recieverCountryId: reciepientCountryId, paymentMethod: paymentMethod, paymentMethodId: paymentMethodId, calcBy: calcBy, payoutPartner: payoutPartner, userId: myUsername, bankId: bankId)
    }
    
    func calculate(senderAmt: String?, senderCurrency: String? = "KRW", recieverAmt: String?, recieverCurrency: String?, recieverCountryName: String?, recieverCountryId: String?, paymentMethod: String?, paymentMethodId: String? ,calcBy: String?, senderCountryId: String? = "118", payoutPartner: String?, userId: String?, bankId: String?) {
        self.presenter?.calculate(senderAmt: senderAmt ?? "", senderCurrency: senderCurrency ?? "", recieverAmt: recieverAmt ?? "", recieverCurrency: recieverCurrency ?? "", recieverCountryName: recieverCountryName ?? "", recieverCountryId: recieverCountryId ?? "", paymentMethod: paymentMethod ?? "", paymentMethodId: paymentMethodId ?? "", calcBy: calcBy ?? "", senderCountryId: senderCountryId ?? "", payoutPartner: payoutPartner ?? "", userId: userId ?? "", bankId: bankId ?? "")
    }
    
    
    @objc private func textChanged(sender: UITextField) {
        self.action = .calculate
        switch sender {
        case senderTextField:
            self.reciepientTextField.text = ""
            self.calcBy = "c"
            senderTextField.text = Utility.getCommaSeperatedString(numberString: senderTextField.text!)
        case reciepientTextField:
            self.senderTextField.text = ""
            self.calcBy = "p"
            reciepientTextField.text = Utility.getCommaSeperatedString(numberString: reciepientTextField.text!)
        default:
            break
        }
        self.exchangeRateModel?.calcBy = calcBy
    }
}

// MARK: ResendExchangeViewInterface
extension ResendExchangeViewController: ResendExchangeViewInterface {
    func show(model: ResendDetail) {
        self.resendInfoModel = model
        self.calculateExchangeRate(senderAmount: self.senderTextField.text!, reciepientAmount: self.reciepientTextField.text!, calcBy: self.calcBy)
    }
    
    func showExchangeRate(error: String) {
        self.alert(message: error)
    }
    
    func show(error: String) {
        self.alert(message: error, title: nil) {
            self.navigationController?.popViewController(animated: true)
        }
    }
    
    func showLoading() {
        self.showProgressHud()
    }
    
    func hideLoading() {
        self.hideProgressHud()
    }
    
    func show(model: SendMoneyExchangeRateModel) {
        self.exchangeRateModel = model
    }
}

extension ResendExchangeViewController: FetchSendMoneyExchangeRateService {
    
}