//
//  WalletSuccessViewController.swift
//  GMERemittance
//
//  Created by Sujal on 3/1/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit

class WalletSuccessViewController: UIViewController {
    
 
    
    @IBOutlet weak var buttonTopConstraint: NSLayoutConstraint!
    @IBOutlet weak var viewDetailsHeightConstraint: NSLayoutConstraint!
    @IBOutlet weak var viewDetailsTopConstraint: NSLayoutConstraint!
    @IBOutlet weak var labelSuccessHeading: UILabel!
    @IBOutlet weak var labelSuccessDescription: UILabel!
    @IBOutlet weak var labelUserID: UILabel!
    @IBOutlet weak var labelUserName: UILabel!
    @IBOutlet weak var labelSuccessAmount: UILabel!
    @IBOutlet weak var labelTransactionDate: UILabel!
    @IBOutlet weak var labelTransactionNumber: UILabel!
    @IBOutlet weak var viewDetails: UIView!
    @IBOutlet weak var buttonSave: UIButton!
    
    private var webView: UIWebView
    private var pdfComposer: PdfComposer!
    private var HTMLContent: String!
    public var walletviewmodel: WalletViewModel?
    public var transaction: Transaction?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        
        guard transaction == nil else {
            setupTransactionStatementDetails()
            return
        }
        
        setUpNavBar(id: 203, title: "Wallet to Wallet Transfer")
        
        guard walletviewmodel != nil else {
            self.popUpMessageInfo(value: 16, title: "No data", message: "Data not received")
            return
        }
        
        if walletviewmodel?.getModeIndex() == 1 {
            viewDetails.isHidden = true
            buttonTopConstraint.constant = buttonTopConstraint.constant - viewDetailsHeightConstraint.constant - viewDetailsTopConstraint.constant
        }
        
        let numberFormatter = NumberFormatter()
        numberFormatter.numberStyle = NumberFormatter.Style.decimal
    
        if let amount = walletviewmodel?.getAmount(){
            let amountNumber = Float(amount)! as NSNumber
            if let mode = walletviewmodel?.getModeIndex(){
                switch mode {
                case 0:
                    setTransferMessage(amountNumber: amountNumber,numberFormatter: numberFormatter)
                case 1:
                    setRequestMessage(amountNumber: amountNumber,numberFormatter: numberFormatter)
                default:
                    return
                    
                }
            }
        }
        if let date = walletviewmodel?.getTransactionResult().date{
            labelTransactionDate.text = unixTimeStampToDate(unixTimeStamp:  date)
        }
        if let transactionId = walletviewmodel?.getTransactionResult().transactionId{
            labelTransactionNumber.text = transactionId
        }

        
    }
    
    /**
        Request loan layout
     - parameter amountNumber: amount asked for a loan
     - parameter numberFormatter: object of NumberFormatter
     */
    func setRequestMessage(amountNumber: NSNumber, numberFormatter: NumberFormatter){
        labelSuccessHeading.text = "Request Successful"
        labelSuccessDescription.text = "Your request for loan has been successfully sent to"
        if let gmeId = walletviewmodel?.getGMEID(){
            labelUserID.text = gmeId
        }
        if let fullName = walletviewmodel?.getFullName(){
            labelUserName.text = "(" + fullName + ")"
        }
        labelSuccessAmount.text = "Total Amount: " + numberFormatter.string(from: amountNumber)! + " KRW"
    }
    
    /**
        Transfer money layout'
     - parameter amountNumber: amount transferred to others account
     - parameter numberFormatter: object of NumberFormatter
     */
    func setTransferMessage(amountNumber: NSNumber,numberFormatter: NumberFormatter){
        labelSuccessHeading.text = "Transfer Successful"
        labelSuccessDescription.text = "You have successfully transferred your money to"
        if let gmeId = walletviewmodel?.getGMEID(){
            labelUserID.text = gmeId
        }
        if let username = walletviewmodel?.getFullName(){
            labelUserName.text = "(" + username + ")"
        }
        labelSuccessAmount.text = "Total Amount: " + numberFormatter.string(from: amountNumber)! + " KRW"
    }
    
    /**
        Set transaction statement details
     */
    func  setupTransactionStatementDetails() {
        setUpNavBar(id: 204, title: "Transaction Statement")
        
        setUpHeaderMessage(transaction: transaction!)
        
        if let payoutAmountOriginal = transaction?.payoutAmountOriginal{
            labelSuccessAmount.text = "Total Amount: " + getCommaAddedAmountString(amountString: payoutAmountOriginal)
        }
        if let date = transaction?.date{
            labelTransactionDate.text = unixTimeStampToDate(unixTimeStamp:  date)
        }
        if let transactionId = transaction?.transactionId{
            labelTransactionNumber.text = transactionId
        }
    }
    
    /**
        Set up header message
     - parameter transaction: object of class name Transaction
     */
    func setUpHeaderMessage(transaction: Transaction) {
        switch transaction.transactionType {
            
        case "sent":
            labelSuccessHeading.text = "Transfer Successful"
            labelSuccessDescription.text = "You have successfully transferred your money to"
            labelUserID.text = transaction.receiverId
            if let receiverName = transaction.receiverName{
                labelUserName.text = receiverName
            }
        case "received":
            labelSuccessHeading.text = "Money Transfer"
            labelSuccessDescription.text = "You have received money from"
            labelUserID.text = transaction.userId
            if let senderName = transaction.senderName{
                labelUserName.text = senderName
        }
        default:
            return
        }
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    required init?(coder aDecoder: NSCoder) {
        self.webView = UIWebView(frame: CGRect.zero)
        super.init(coder: aDecoder)
    }
    
    /**
        Save wallet transaction view into pdf
     */
    @IBAction func saveWalletTransactionPdf(_ sender: Any) {
        pdfComposer = PdfComposer()
        
        let pdfDetails: [String: String] = ["TXDATE": labelTransactionDate.text!,
                                            "TXNUMBER": labelTransactionNumber.text!,
                                            "AMOUNT": "50,000 KRW"]
        
        
        if let pdfHTML = pdfComposer.renderPdfWallet(pdfDetails: pdfDetails) {
            
            webView = UIWebView(frame: CGRect(x: 0, y: 0, width: 10, height: 10))
            view.addSubview(webView)
            webView.delegate = self
            
            
            webView.alpha = 0
            webView.loadHTMLString(pdfHTML, baseURL: nil)
            
            HTMLContent = pdfHTML
        }
        
    }
    
    @IBAction func showHomeScreen(_ sender: Any) {
        goToHomeScreen()
    }
    
}


extension WalletSuccessViewController: UIWebViewDelegate {
    
    func webViewDidFinishLoad(_ webView: UIWebView) {
        
        if self.pdfComposer.exportHTMLContentToPDF(HTMLContent: self.HTMLContent) {
            self.popUpMessageInfo(value: 16, title:  "File Saved", message: "File is in Documents folder")
        } else {
            self.popUpMessageInfo(value: 16, title: "Something went wrong", message: "File not saved")
        }
        
    }
}