//
//  AutoRefundsViewController.swift
//  GME Remit
//
//  Created by Mac on 11/20/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit

class AutoRefundsViewController: UIViewController {
    
    struct  StringConstants {
         let headerTitleText =  "how_much_would_you_like_to_refund".localized()
         let availableBalanceTitleText = "available_balance_text".localized()
         let refundChargeTitleTxty = "per_refund_bank_charge".localized()
         let navigationTitle =  "auto_refund_title_text".localized()
         let yourRefundText = "you_refund_text".localized()
         let refundButtonText = "refund_text".localized()
    }
    
    
    @IBOutlet weak var backgroundView: UIView!
    @IBOutlet weak var countryBackgroundView: UIView!
    @IBOutlet weak var availableBalanceTitleLabel: UILabel!
    @IBOutlet weak var refundChargeTitleLabel: UILabel!
    @IBOutlet weak var yourRefundLabel: UILabel!
    @IBOutlet weak var refundButton: UIButton!
    
    @IBOutlet weak var availableBalanceLabel: UILabel!
    @IBOutlet weak var refundChargeLabel: UILabel!
    @IBOutlet weak var amountTextfield: UITextField!
    
    var autorefund: AutoRefund? {
        didSet {
            let availableBalance = (autorefund?.currentBalance ?? "0") + "(KRW)"
            let refundCharge = (autorefund?.chargeAmount ?? "10,000") + "(KRW)"
            self.availableBalanceLabel.text = availableBalance
            self.refundChargeLabel.text = refundCharge
        }
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setup()
        // Do any additional setup after loading the view.
    }
    
    
    private func setup() {
        setupNormalNavigation()
        self.backgroundView.layer.borderColor = UIColor.init(hex: "E0E0E0").cgColor
        self.backgroundView.layer.borderWidth = 0.5
        self.backgroundView.layer.cornerRadius = 6
        self.countryBackgroundView.layer.cornerRadius = 6
        configureText()
    }
    
    private func configureText() {
        self.availableBalanceTitleLabel.text = StringConstants().availableBalanceTitleText + " : "
        self.refundChargeLabel.text = StringConstants().refundChargeTitleTxty + " : "
        self.yourRefundLabel.text = StringConstants().yourRefundText
        self.refundButton.setTitle(StringConstants().refundButtonText, for: UIControlState.normal)
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        self.navigationItem.title = StringConstants().navigationTitle
        fetchInfo()
    }
    
    private func fetchInfo() {
        self.showProgressHud()
        let username = Utility.getMyUserName() 
        self.fetchAutoRefundInfo(username: username, success: { (autorefund) in
            
            self.autorefund = autorefund
            self.hideProgressHud()
        }) { (error) in
            self.hideProgressHud()
            self.show(error: error.localizedDescription)
        }
    }
    
    
    
    @IBAction func refund(_ sender: Any) {
        let amount = self.amountTextfield.text!
        let minAmnt = self.autorefund?.minAmount ?? "0"
        if amount.isEmpty  {self.show(error: "add refund amount"); return}
        
        if !isValidRefundable(amount: amount)  {
            self.show(error: "Amount cannot be minimum than \(Utility.getCommaSeperatedString(numberString: minAmnt) ?? "")")
            return
        }
        let chargeAmt =  self.autorefund?.chargeAmount ?? ""
        
        let userName = Utility.getMyUserName()
        let id = Utility.getMyId()
    
        self.showProgressHud()
        self.refund(amount: amount, userName: userName, chargeAmount: chargeAmt, userId: id, success: { (successMessage) in

            self.hideProgressHud()
            self.alertWithOk(message: successMessage?.message, title: "Success", okTitle: "Ok", style: UIAlertControllerStyle.alert, OkStyle: UIAlertActionStyle.default, okAction: {
                self.navigationController?.popViewController(animated: true)
                self.updateBalance(value: successMessage)

            })
        }) { (error) in
            self.hideProgressHud()
            self.show(error: error.localizedDescription)
        }
    }
    
    private func updateBalance(value: SuccessMessage?) {
        let balance = value?.extra ?? ""
        let yearlyLimits = value?.yearlyLimit ?? ""
        UserDefaults.standard.set(yearlyLimits, forKey: UserKeys.yearlyLimit)
        UserDefaults.standard.set(balance, forKey: UserKeys.availableBalance)
        
        let userInfo = [SideMenuNavigationNotifications.availableBalance : balance]
        NotificationCenter.default.post(name: self.getAvailableBalanceNotificationName(), object: nil, userInfo: userInfo)
    }
    
    func getAvailableBalanceNotificationName() -> Notification.Name {
        return Notification.Name.init(rawValue: SideMenuNavigationNotifications.availableBalance)
    }
    
    private func isValidRefundable(amount: String) -> Bool {
        let _minRefundAmount = self.autorefund?.minAmount ?? "0"
        let minRefundAmount = _minRefundAmount.replacingOccurrences(of: ",", with: "")
        print(minRefundAmount)
        
        guard let amt = Double(amount), let minRefundAmt = Double(minRefundAmount)  else {return false}
        let result =  amt >= minRefundAmt
        return result
    }
    
    func show(error: String) {
        self.alert(message: error)
    }
}


extension AutoRefundsViewController: FetchAutoRefundInfo {
    
}

extension AutoRefundsViewController: RefundService {
    
}