//
//  TrackTransactionViewController.swift
//  GMERemittance
//
//  Created by Fm-user on 2/6/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit

class TrackTransactionViewController: UIViewController {
    
    var recipient: Recipient?
    var colorCodeRed: CGFloat?
    var colorCodeGreen: CGFloat?
    var colorCodeBlue: CGFloat?
    
    @IBOutlet weak var labelRecipientName: UILabel!
    @IBOutlet weak var labelRecipientPhone: UILabel!
    @IBOutlet weak var labelRecipientInitial: UILabel!
    @IBOutlet weak var tableViewTransactionDetails: UITableView!
    
    private var activityIndicator: UIActivityIndicatorView = UIActivityIndicatorView()
    private  var tracktransactionviewmodel = TrackTransactionViewModel()
    
    private var selectedIndex: Int!
    
    public static var checkTransactionListConnectionTimeOut = 0
    
    override func viewDidAppear(_ animated: Bool) {
        setUpAnotherLoginListener(genericviewmodel: tracktransactionviewmodel)
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        setUpNavBar(id: 201,title: "Track Your Transfer")
        
        tableViewTransactionDetails.tableFooterView = UIView()
        
        guard recipient != nil else {
            self.popUpMessageInfo(value: 16, title: "No data received", message: "Try again")
            return
        }
        
        setRecipientDetailData()
        
        tableViewTransactionDetails.delegate = self
        tableViewTransactionDetails.dataSource = self
        
        tableViewTransactionDetails.isHidden = true
        
        tableViewTransactionDetails.estimatedRowHeight = 80
        tableViewTransactionDetails.rowHeight = UITableViewAutomaticDimension
        
        
        tracktransactionviewmodel.transactionListConnectionTimeOut.value = nil
        /**
         connection timeout
         */
        tracktransactionviewmodel.transactionListConnectionTimeOut.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.stopLoading()
            if TrackTransactionViewController.checkTransactionListConnectionTimeOut == 0{
                TrackTransactionViewController.checkTransactionListConnectionTimeOut = TrackTransactionViewController.checkTransactionListConnectionTimeOut + 1
                self.popUpMessage(value: 46)
            }
        }
        
        /**
            Check internet connection
         */
        tracktransactionviewmodel.internetConnection.value = nil
        tracktransactionviewmodel.internetConnection.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.stopLoading()
            self.popUpMessage(value: 15)
        }
        
        /**
            Request an api for list of transaction commit with the recipient
         */
        self.startLoading()
        tracktransactionviewmodel.fetchTransactionListForTrackAndWallet(recipientId: recipient?.recipientId ?? "", recipientName: "", transactionType: "trackTransfer", startDate: nil, endDate: nil, txPage: nil, txSize: nil)
        
        
        tracktransactionviewmodel.transactionListObtained.bind{ [unowned self] in
            guard $0 != nil else {
                return
            }
            self.stopLoading()
            guard $0! else {
                if TrackTransactionViewController.checkTransactionListConnectionTimeOut == 0{
                    TrackTransactionViewController.checkTransactionListConnectionTimeOut = TrackTransactionViewController.checkTransactionListConnectionTimeOut + 1
                    self.popUpMessageError(value: 10, message: self.tracktransactionviewmodel.getErrorMessage())
                }
                return
            }
            self.stopLoading()
            self.updateTransactionsDetailTableView()
        }
    }
    
    /**
        Update table view as per list of transaction commit with the recipient
     */
    func updateTransactionsDetailTableView(){
        if self.tracktransactionviewmodel.getCount() == 0 {
            self.popUpMessageError(value: 10, message: "It seems you have made no transactions yet with this person")
        } else {
            self.tableViewTransactionDetails.isHidden = false
            self.tableViewTransactionDetails.reloadData()
        }
    }
    
    /**
        Display UI with recipient detail data
     */
    func setRecipientDetailData(){
        if (colorCodeRed == nil || colorCodeBlue == nil || colorCodeGreen == nil) {
                labelRecipientInitial.layer.backgroundColor = UIColor.gray.cgColor
        } else {
            labelRecipientInitial.layer.backgroundColor = UIColor(red: colorCodeRed!, green: colorCodeGreen!, blue: colorCodeBlue!, alpha: 1.0).cgColor
        }
        if let fullName = recipient?.getFullName(){
            labelRecipientName.text = fullName
        }
        if let mobileNumber = recipient?.mobileNumber{
            labelRecipientPhone.text = mobileNumber
        }
        if let firstName = recipient?.firstName{
            labelRecipientInitial.text = firstName.prefix(1).uppercased()
        }
        
        labelRecipientInitial.layer.cornerRadius = labelRecipientInitial.frame.height / 2
    }
    
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        if segue.identifier == "trackStage" {
            let trackPhaseViewController = segue.destination as! TrackPhaseViewController
            trackPhaseViewController.recipient = self.recipient
            trackPhaseViewController.transaction = self.tracktransactionviewmodel.getTransaction(index: selectedIndex)
        }
    }
    
    /**
     Disable user interaction while fetching data from api
     */
    func startLoading(){
        disableUserInteractions()
        showActivityIndicator(activityIndicator: activityIndicator)
    }
    
    /**
     Enable user interaction after fetching data from api
     */
    func stopLoading(){
        self.enableUserInteractions()
        self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
    }
}

extension TrackTransactionViewController: UITableViewDelegate, UITableViewDataSource {
    
    func numberOfSections(in tableView: UITableView) -> Int {
        return 1
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        
        return tracktransactionviewmodel.getCount()
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "trackTransaction", for: indexPath) as! TrackTransactionTableViewCell
        
        let date = self.tracktransactionviewmodel.getDate(index: indexPath.row)
        if date != "N/A"{
            cell.labelTransactionDate.text = unixTimeStampToDate(unixTimeStamp: date)
        }
        
        let recipientName = self.tracktransactionviewmodel.getRecipient(index: indexPath.row)
        if recipientName != "N/A"{
            cell.labelTransactionRecipient.text = "To: " + firstWord(text: recipientName)
        }
        
        let amount = self.tracktransactionviewmodel.getAmount(index: indexPath.row)
        if amount != "N/A"{
            cell.labelTransactionAmount.text = self.getCommaAddedAmountString(amountString: amount)
        }
        
        let transactionMode = self.tracktransactionviewmodel.getPaymentMethodUpdated(index: indexPath.row)
        if transactionMode != "N/A"{
            cell.labelTransactionMode.text = transactionMode
        }
        
        let transactionId = self.tracktransactionviewmodel.getTransactionId(index: indexPath.row)
        if transactionId != "N/A"{
            cell.labelTransactionID.text = "Transaction No. " + self.tracktransactionviewmodel.getTransactionId(index: indexPath.row)
        }
        
        cell.layer.borderColor = UIColor(red:0.91, green:0.93, blue:0.95, alpha:1.0).cgColor
        cell.layer.borderWidth = 5
        cell.layer.cornerRadius = 15
        cell.clipsToBounds = true
        
        return cell
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        self.selectedIndex = indexPath.row
        performSegue(withIdentifier: "trackStage", sender: nil)
    }
}