//
//  WalletTransactionListViewController.swift
//  GMERemittance
//
//  Created by Sujal on 3/2/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit

class WalletTransactionListViewController: UIViewController {
    
    @IBOutlet weak var tableView: UITableView!
    
    var walletCell: WalletTransactionTableViewCell?
    private  var tracktransactionviewmodel = TrackTransactionViewModel()
    private var activityIndicator: UIActivityIndicatorView = UIActivityIndicatorView()
    
    var walletStatus: String?
    private var showLoadMoreButton: Bool = false
    private var size: String = "10"
    private var page: Int = 0
    private var arrayIndexPath = [IndexPath] ()
    static var notificationCode: String = ""
    
    public static var walletListConnectionTimeOutCheck = 0
    
    /**
     Call transaction api
     */
    func fetchTransactions() {
        self.startLoading()
        tracktransactionviewmodel.fetchTransactionListForTrackAndWallet(recipientId: "", recipientName: "", transactionType: walletStatus!, startDate: nil, endDate: nil, txPage: String(page), txSize: size)
        
    }
    
    /**
     Check internet connection
     */
    func setUpNetworkListener() {
        tracktransactionviewmodel.internetConnection.value = nil
        tracktransactionviewmodel.internetConnection.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.enableUserInteractions()
            self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
            self.popUpMessage(value: 15)
            self.tracktransactionviewmodel.internetConnection.value = nil
        }
    }
    
    /**
     Api listener
     */
    func setUpTransactionListListener() {
        tracktransactionviewmodel.transactionListObtained.bind{ [unowned self] in
            guard $0 != nil else {
                return
            }
            self.stopLoading()
            
            guard $0! else {
                if WalletTransactionListViewController.walletListConnectionTimeOutCheck == 0{
                    WalletTransactionListViewController.walletListConnectionTimeOutCheck = WalletTransactionListViewController.walletListConnectionTimeOutCheck+1
                    self.popUpMessageError(value: 10, message: self.tracktransactionviewmodel.getErrorMessage())
                }
                return
            }
            
            let count = self.tracktransactionviewmodel.getCount()
            if  count < Int(self.size)! || count == 0 {
                self.showLoadMoreButton = false
                if count == 0 {
                    self.tableView.reloadSections(NSIndexSet(index: 1) as IndexSet, with: .none)
                }
            } else {
                self.showLoadMoreButton = true
            }
            
            if count > 0 {
                self.arrayIndexPath.removeAll()
                self.tableView.beginUpdates()
                let totalCount = self.tracktransactionviewmodel.getTotalCount()
                
                for i in 0...count-1 {
                    self.arrayIndexPath.append(IndexPath.init(row: totalCount - count + i, section: 0))
                }
                
                self.tableView.insertRows(at: self.arrayIndexPath, with: .automatic)
                
                self.tableView.endUpdates()
            }
            
        }
    }
    
    
    override func viewDidLoad() {
        super.viewDidLoad()
        if WalletTransactionListViewController.notificationCode == "p202" || WalletTransactionListViewController.notificationCode == "p205"{
            setUpNavBar(id: 208, title: "Wallet to Wallet Transfer")
        }else {
            setUpNavBar(id: 204, title: "Wallet to Wallet Transfer")
        }
        
        guard walletStatus != nil else {
            return
        }
        
        tableView.tableFooterView = UIView()
        
        self.tableView.delegate = self
        self.tableView.dataSource = self
        
        self.tableView.estimatedRowHeight = 82
        self.tableView.rowHeight = UITableViewAutomaticDimension
        
        setUpAnotherLoginListener(genericviewmodel: tracktransactionviewmodel)
        
        tracktransactionviewmodel.transactionListConnectionTimeOut.value = nil
        /**
         connection timeout
         */
        print("wallet status \(String(describing: walletStatus))")
        tracktransactionviewmodel.transactionListConnectionTimeOut.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.stopLoading()
            if self.walletStatus != "walletTransfer"{
                if self.walletStatus != "walletBorrow"{
                    if WalletTransactionListViewController.walletListConnectionTimeOutCheck == 0{
                        WalletTransactionListViewController.walletListConnectionTimeOutCheck = WalletTransactionListViewController.walletListConnectionTimeOutCheck+1
                        self.popUpMessage(value: 32)
                    }
                }
            }
        }
        
        setUpNetworkListener()
        setUpTransactionListListener()
        fetchTransactions()
    }
    
    /**
     Disable user interaction while fetching data from api
     */
    func startLoading(){
        self.showActivityIndicator(activityIndicator: self.activityIndicator)
        self.disableUserInteractions()
    }
    
    /**
     Enable user interaction while fetching data from api
     */
    func stopLoading(){
        self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
        self.enableUserInteractions()
    }
    
}

extension WalletTransactionListViewController: UITableViewDelegate, UITableViewDataSource {
    
    
    func numberOfSections(in tableView: UITableView) -> Int {
        return 2
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        switch  section {
        case 0:
            return tracktransactionviewmodel.getTotalCount()
        default:
            return 1
        }
    }
    
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        switch indexPath.section {
            
        case 0:
            walletCell = tableView.dequeueReusableCell(withIdentifier: "walletCell", for: indexPath) as? WalletTransactionTableViewCell
            
            walletCell?.labelAmount.text = getCommaAddedAmountString(amountString:  tracktransactionviewmodel.getAmountForWallet(index: indexPath.row))
            
            
            if tracktransactionviewmodel.getDateForWallet(index: indexPath.row) != "N/A"{
                walletCell?.labelDate.text = unixTimeStampToDate(unixTimeStamp: tracktransactionviewmodel.getDateForWallet(index: indexPath.row))
            }
            
            
            if tracktransactionviewmodel.getRecipientForWallet(index: indexPath.row) != "N/A"{
                walletCell?.labelName.text = "To: " + tracktransactionviewmodel.getRecipientForWallet(index: indexPath.row)
            }
            
            if tracktransactionviewmodel.getAmountForWallet(index: indexPath.row) != "N/A"{
                walletCell?.labelAmount.text = getCommaAddedAmountString(amountString:  tracktransactionviewmodel.getAmountForWallet(index: indexPath.row))
            }
            
            if tracktransactionviewmodel.getTransactionIdForWallet(index: indexPath.row) != "N/A"{
                walletCell?.labelTransactionNumber.text = "Transaction No. " +  tracktransactionviewmodel.getTransactionIdForWallet(index: indexPath.row)
            }
            
            if tracktransactionviewmodel.getPaymentMethodUpdatedForWallet(index: indexPath.row) != "N/A"{
                walletCell?.labelPayoutMethod.text = tracktransactionviewmodel.getPaymentMethodUpdatedForWallet(index: indexPath.row)
            }
            
            if walletStatus == "walletBorrow" {
                walletCell?.labelName.text = "To: " + tracktransactionviewmodel.getSenderForWallet(index: indexPath.row)
                
                if self.tracktransactionviewmodel.getBorrowStatusForWallet(index: indexPath.row) != "N/A"{
                    let status = self.tracktransactionviewmodel.getBorrowStatusForWallet(index: indexPath.row)
                    if status != "N/A"{
                        walletCell?.labelStatus.text = status.capitalizeFirstLetter()
                        switch status.lowercased() {
                        case "paid":
                            walletCell?.labelAmount.textColor = UIColor(hex: 0x2e3192)
                            walletCell?.labelStatus.textColor = UIColor.white
                            walletCell?.labelStatus.backgroundColor = UIColor(hex: 0xec1c24)
                            walletCell?.labelStatus.clipsToBounds = true
                            walletCell?.labelStatus.layer.cornerRadius = 5.0
                        case "rejected":
                            walletCell?.labelAmount.textColor = UIColor(hex: 0xec1c24)
                            walletCell?.labelStatus.textColor = UIColor(hex: 0xec1c24)
                            walletCell?.labelStatus.backgroundColor = UIColor(hex: 0xd6e3ee)
                            walletCell?.labelStatus.clipsToBounds = true
                            walletCell?.labelStatus.layer.cornerRadius = 5.0
                        case "pending":
                            walletCell?.labelAmount.textColor = UIColor(hex: 0x4a4a4a)
                            walletCell?.labelStatus.textColor = UIColor.white
                            walletCell?.labelStatus.backgroundColor = UIColor(hex: 0x2e3192)
                            walletCell?.labelStatus.clipsToBounds = true
                            walletCell?.labelStatus.layer.cornerRadius = 5.0
                        default:
                            walletCell?.labelAmount.isHidden = true
                            walletCell?.labelStatus.isHidden = true
                        }
                    }
                }
                
            }
            else {
                walletCell?.labelStatus.isHidden = true
                walletCell?.labelAmount.textColor = UIColor(hex: 0xec1c24)
            }
            
            return walletCell!
            
        default:
            let loadMoreCell = tableView.dequeueReusableCell(withIdentifier: "walletLoadMore", for: indexPath) as! WalletLoadMoreTableViewCell
            
            loadMoreCell.buttonLoadMore.addTarget(self, action: #selector(loadMore(sender:)), for: .touchUpInside)
            
            if showLoadMoreButton {
                loadMoreCell.buttonLoadMore.isHidden = false
            }
            
            return loadMoreCell
        }
    }
    
    @objc func loadMore(sender: WalletLoadMoreTableViewCell) {
        page = page + 1
        fetchTransactions()
    }
}