//
//  AgentBankViewController.swift
//  GMERemittance
//
//  Created by FMI-12 on 2/2/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit
import MapKit

class AgentBankViewController: UIViewController {
    
    @IBOutlet weak var tableViewAgent: UITableView!
    var selectedCell:Int?
    var isSelect:Bool?
    
    private var activityIndicator: UIActivityIndicatorView = UIActivityIndicatorView()
    private var previousIndex: Int = 0
    private var selectedIndex: Int = 10000
    private var tableRowIndex: Int?
    
    /// To get data fron sendmoney agentlocation tap
    var sendMoneyAgentLocationStatus:Bool = false
    var selectedCountry: String = ""
    
    @IBOutlet weak var searchTextField: UITextField!
    
    private var agentCountryList = [AgentCountryList]()
    private var agentPayoutList = [AgentModel]()
    
    var agentCell: AgentTableViewCell?
    
    var agentViewModel = AgentViewModel()
    
    @IBOutlet weak var bgViewSearchBar: UIView!
    
    private var pickerView: UIPickerView = UIPickerView()
    
    public static var agentConnectionTimeOutCheck = 0
    
    override func viewWillAppear(_ animated: Bool) {
        self.tabBarController?.navigationController?.navigationBar.barTintColor = UIColor(hex:0xEC1C24)
        setUpAnotherLoginListener(genericviewmodel: agentViewModel)
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        if  sendMoneyAgentLocationStatus {
            setUpNavBar(id: 206, title: "Agent")
        } else {
            setUpNavBar(id: 202,title: "")
        }
        setTextFieldAndPickerViewDelegate()
        setTapListenerInBgView()
        
        tableViewAgent.tableFooterView = UIView()
        
        self.tableViewAgent.delegate = self
        self.tableViewAgent.dataSource = self
        
        self.tableViewAgent.estimatedRowHeight = 119
        self.tableViewAgent.rowHeight = UITableViewAutomaticDimension
        
        tableViewAgent.sectionIndexColor = UIColor.darkGray
        tableViewAgent.sectionIndexBackgroundColor = UIColor(hex: 0xe7edf2)
        
        
        agentViewModel.agentConnectionTimeOut.value = nil
        /**
         connection timeout
         */
        agentViewModel.agentConnectionTimeOut.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.stopLoading()
            if AgentBankViewController.agentConnectionTimeOutCheck == 0{
                AgentBankViewController.agentConnectionTimeOutCheck = AgentBankViewController.agentConnectionTimeOutCheck+1
                self.popUpMessage(value: 40)
            }
        }
        
        agentViewModel.internetConnection.value = nil
        
        /**
         Internet check
         */
        
        agentViewModel.internetConnection.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.enableUserInteractions()
            self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
            self.popUpMessage(value: 15)
            
        }
        /**
            Update the country list
         */
        agentViewModel.agentCountryListAvailable.bind { [weak self] in
            guard $0 != nil else {
                return
            }
            self?.stopLoading()
            guard $0! else {
                self?.stopLoading()
                //self.popUpMessageError(value: 10, message: self.agentViewModel.getErrorMessage());
                return
            }
            self?.stopLoading()
            self?.setAgentCountryList()
        }
        startLoading()
        self.agentViewModel.fetchListOfCountry()
        
        /**
         Update the agent location
         */
        agentViewModel.agentLocationBool.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.stopLoading()
            guard $0! else {
                self.stopLoading()
                //self.popUpMessageError(value: 10, message: self.agentViewModel.getErrorMessage());
                return
            }
            self.stopLoading()
            self.setAgentLocationList()
        }
    }
    
    /**
        Add Tap gesture in Search bar
     */
    func setTapListenerInBgView(){
        let tap: UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(AgentBankViewController.openPickerView))
        tap.cancelsTouchesInView = false
        bgViewSearchBar.addGestureRecognizer(tap)
    }
    
    /**
        To display Picker view
     */
    @objc func openPickerView(){
        if agentCountryList.count > 0{
            self.setPickerViewRowAsSelected()
            self.searchTextField.becomeFirstResponder()
        }
    }
    
    /**
        set the country list
     */
    func setAgentCountryList(){
        self.agentCountryList = agentViewModel.getCountryList()
        self.requestPayoutList(requestType: "first")
    }
    
    /**
        Get Agent location address
     - return: address list
     */
    func getAgentLocationAddress() -> [String]{
        var agentArray = [String]()
        for agent in agentPayoutList{
            if let address = agent.address{
                agentArray.append(address)
            }
        }
        return agentArray
    }
    
    /**
     set the agent location list
     */
    func setAgentLocationList(){
        self.agentPayoutList = agentViewModel.getAgentLocation()
        if self.agentPayoutList.count > 0{
            self.tableViewAgent.reloadData()
        }else{
            self.popUpMessageError(value: 10, message: "Payout agent is not available in this location.");
        }
    }
    
    /**
     Dispaly loading indicator
     */
    func startLoading(){
        self.showActivityIndicator(activityIndicator: self.activityIndicator)
        self.disableUserInteractions()
    }
    
    /**
     Hide loading indicator
     */
    func stopLoading(){
        self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
        self.enableUserInteractions()
    }
    
    /**
     Delegate setup
     */
    func setTextFieldAndPickerViewDelegate(){
        searchTextField.delegate = self
        searchTextField.delegate = self
        pickerView.dataSource = self
        pickerView.delegate = self
        searchTextField.inputView = pickerView
    }
    
    /**
     Get country list
     - returns: country list
     */
    func getCountryList() -> [String]{
        var countryList = [String]()
        if agentCountryList.count > 0 {
            for country in self.agentCountryList{
                if let countryName = country.country{
                    countryList.append(countryName)
                }
            }
            return countryList
        }else{
           
        }
        return countryList
    }
    
    /**
        Display Picker view
     */
    @IBAction func dropDownButtonAction(_ sender: Any) {
        if getCountryList().count > 0{
            self.setPickerViewRowAsSelected()
            searchTextField.becomeFirstResponder()
        }else{
        }
    }
    
    /**
        Set selected row of country list in picker view
     */
    func setPickerViewRowAsSelected(){
        if let searchText = searchTextField.text{
            if let index = self.getCountryList().index(of: searchText){
                self.pickerView.selectRow(index, inComponent: 0, animated: true)
            }
        }
    }
    
    @IBAction func searchButtonAction(_ sender: Any) {
        if searchTextField.text != ""{
            if self.agentCountryList[getCountryList().index(of: searchTextField.text!)!].countryId != nil{
                self.performSegue(withIdentifier: "agentSuccessViewController", sender: nil)
            }
        }
        else{
           
        }
    }
    
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        if segue.identifier == "agentSuccessViewController" {
            let agentSearchViewController = segue.destination as! AgentSearchViewController
            agentSearchViewController.countryId = self.agentCountryList[getCountryList().index(of: searchTextField.text!)!].countryId
        }
    }
    
    //Doing Picker view button
    func pickUp(_ textField : UITextField){
        // UIPickerView
        self.pickerView = UIPickerView(frame:CGRect(x: 0, y: 0, width: self.view.frame.size.width, height: 216))
        self.pickerView.delegate = self
        self.pickerView.dataSource = self
        //self.pickerView.backgroundColor = UIColor.white
        textField.inputView = self.pickerView
        
        // ToolBar
        let toolBar = UIToolbar()
        toolBar.barStyle = .default
        toolBar.isTranslucent = true
        toolBar.tintColor = UIColor(red: 92/255, green: 216/255, blue: 255/255, alpha: 1)
        toolBar.sizeToFit()
        
        // Adding Button ToolBar
        let customButton = UIButton()
        customButton.setTitle("Done", for: .normal)
        customButton.addTarget(self, action: #selector(AgentBankViewController.doneClick), for: .touchUpInside)
        customButton.setTitleColor(UIColor(hex : 0xED1C24), for: .normal)
        customButton.frame = CGRect(x: 0, y: 0, width: 60, height: 30)
        
        let doneButton = UIBarButtonItem(customView: customButton)
        let spaceButton = UIBarButtonItem(barButtonSystemItem: .flexibleSpace, target: nil, action: nil)
        
        toolBar.setItems([spaceButton, doneButton], animated: false)
        toolBar.isUserInteractionEnabled = true
        textField.inputAccessoryView = toolBar
        
    }
    
    @objc func doneClick() {
        self.searchTextField.resignFirstResponder()
        if self.selectedIndex != 10000{
            if self.isSelect == true{
                self.isSelect = false
                searchTextField.leftView = nil
                self.requestPayoutList(requestType: "later")
            }
        }
    }
    
    /**
      request of country list
     - parameter requestType: First(Korea) or later(selected country from picker view)
     */
    func requestPayoutList(requestType: String){
        startLoading()
        self.agentPayoutList.removeAll()
        if requestType == "later"{
            searchTextField.text = getCountryList()[self.selectedIndex]
            if let  flagUrl = agentCountryList[selectedIndex].flagUrl{
            self.downloadImage(url: Foundation.URL(string: flagUrl)!)
            } else {
                
            }
            let countryId = self.agentCountryList[getCountryList().index(of: searchTextField.text!)!].countryId
            agentViewModel.fetchAgentLocation(countryId: countryId!)
        }else if requestType == "first"{
            
            if !(selectedCountry.isEmpty) {
                selectedCountryFromSendMoney()
            } else {
            if let countryId = self.agentCountryList[getCountryList().index(of: "South Korea")!].countryId,let flagUrl = self.agentCountryList[getCountryList().index(of: "South Korea")!].flagUrl{
                searchTextField.text = self.agentCountryList[getCountryList().index(of: "South Korea")!].country
                self.downloadImage(url: Foundation.URL(string: flagUrl)!)
                agentViewModel.fetchAgentLocation(countryId: countryId)
            }else{
               
                }
            }
        }
    }
    
    /**
     To get country Agent List through Sendmoney Page
     */
    func selectedCountryFromSendMoney(){
        if let countrySelectedId = self.agentCountryList[getCountryList().index(of: selectedCountry)!].countryId, let countrySeletedflagUrl = self.agentCountryList[getCountryList().index(of: selectedCountry)!].flagUrl {
            searchTextField.text = self.agentCountryList[getCountryList().index(of: selectedCountry)!].country
            self.downloadImage(url: Foundation.URL(string:countrySeletedflagUrl)!)
            agentViewModel.fetchAgentLocation(countryId: countrySelectedId)
        }
    }
   
    func getDataFromUrl(url: URL, completion: @escaping (Data?, URLResponse?, Error?) -> ()) {
        URLSession.shared.dataTask(with: url) { data, response, error in
            completion(data, response, error)
            }.resume()
    }
    
    /**
     To download image through url
     - parameter url: url
    */
    func downloadImage(url: URL) {
        getDataFromUrl(url: url) { data, response, error in
            guard let data = data, error == nil else { return }
            DispatchQueue.main.async() {
                let paddingView = UIView(frame: CGRect(x: 0, y: 0, width: 30, height: 50))
                
                let imageView = UIImageView(frame: CGRect(x: 0, y: 0, width: 20, height: 20))
                let image = UIImage(data: data)
                imageView.center = paddingView.center
               
                imageView.image = image
                
                paddingView.addSubview(imageView)
                
                self.searchTextField.leftViewMode = UITextFieldViewMode.always
                self.searchTextField.leftView = paddingView
            }
        }
    }
    
    
}

extension AgentBankViewController: UITableViewDelegate, UITableViewDataSource, AgentTableViewCellDelegate {
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return agentPayoutList.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        
        self.tableRowIndex = indexPath.row
        
        agentCell = tableView.dequeueReusableCell(withIdentifier: "agentCell", for: indexPath) as? AgentTableViewCell
        agentCell?.layer.borderColor = UIColor(red:0.91, green:0.93, blue:0.95, alpha:1.0).cgColor
        agentCell?.layer.borderWidth = 2.5
        agentCell?.layer.cornerRadius = 10
        agentCell?.clipsToBounds = true
        
        if let name = agentPayoutList[indexPath.row].name {
        agentCell?.labelBranchName.text = name
        }
        if let address = agentPayoutList[indexPath.row].address {
        agentCell?.labelBranchAddress.text = address
        }
        if let phone = agentPayoutList[indexPath.row].phone{
            agentCell?.buttonPhoneNumber.setTitle(phone, for: UIControlState.normal)
        }else{
            agentCell?.buttonPhoneNumber.setTitle(" ", for: UIControlState.normal)
        }
        agentCell?.buttonMap?.addTarget(self, action:#selector(agentTableViewCellDidTapMap(_:)), for:.touchUpInside)
        return agentCell!
    }
    
    @objc func agentTableViewCellDidTapMap(_ sender: AgentTableViewCell) {
        guard  let clickedCell = sender.superview?.superview?.superview as? AgentTableViewCell else {
            return
            
        }
        let clickedCellIndexPath = tableViewAgent.indexPath(for: clickedCell)
        selectedCell = clickedCellIndexPath?.row
        let storyboard = UIStoryboard.init(name: "RecipientListViewController", bundle: Bundle.main)
        if let agentLocationViewController = storyboard.instantiateViewController(withIdentifier: "agentLocation") as? AgentLocation {
            if let lat = agentPayoutList[self.tableRowIndex!].latitude{
                if let lng = agentPayoutList[self.tableRowIndex!].longitude{
                    let latitude = String (lat)
                    let longitude = String (lng)
                
                    agentLocationViewController.latitude = CLLocationDegrees(latitude)
                    agentLocationViewController.longitude = CLLocationDegrees(longitude)!
                
                    self.navigationController!.pushViewController(agentLocationViewController, animated: true)
                }
            }
            else{
                self.popUpMessageInfo(value: 16, title: "Location", message: "Map view is not available.")
            }
        }
    }
    
    func sectionIndexTitles(for tableView: UITableView) -> [String]? {
        return ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "#"]
    }
    
    func tableView(_ tableView: UITableView, sectionForSectionIndexTitle title: String, at index: Int) -> Int {
        let tappedIndex = getAgentLocationAddress().index(where: {$0.prefix(1).uppercased() == title})
        if tappedIndex != nil {
            self.previousIndex = tappedIndex!
            tableView.scrollToRow(at: IndexPath(row: tappedIndex!, section: 0), at: UITableViewScrollPosition.top, animated: true)

        }
        return previousIndex  //Previous index is set so that in case when there is no data for selected title, the screen remains at the previous selection title
    }
}

extension AgentBankViewController: UIPickerViewDataSource, UIPickerViewDelegate {
    
    func numberOfComponents(in pickerView: UIPickerView) -> Int {
        return 1
    }
    
    func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
        return getCountryList().count
    }
    
    func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
        return getCountryList()[row]
    }
    
    func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
            self.selectedIndex = row
            isSelect = true
    }
    
    /**
     To display image on picker view row
     */
    
    func pickerView(_ pickerView: UIPickerView, viewForRow row: Int, forComponent component: Int, reusing view: UIView?) -> UIView {
        var myImageView: UIImageView?
        
        let myView = UIView(frame: CGRect(x: 0, y: 0, width: pickerView.bounds.width - 30, height: 60))
        
        let myLabel = UILabel(frame: CGRect(x: 60, y: 0, width: pickerView.bounds.width - 90, height: 60 ))
        
        myLabel.text = agentCountryList[row].country
        
        myView.addSubview(myLabel)
        
        
        /// Display country flag on pickerview
    
        myImageView = UIImageView(frame: CGRect(x: 0, y: 15, width: 30, height: 30))
            
        myImageView?.sd_setImage(with:URL(string: self.agentCountryList[row].flagUrl ?? ""),  placeholderImage: nil, options: [.progressiveDownload,.scaleDownLargeImages], completed: nil)
            
        myView.addSubview(myImageView!)
            
        
        return myView
    }
    
    func pickerView(_ pickerView: UIPickerView, rowHeightForComponent component: Int) -> CGFloat {
        return 60
    }
}

extension AgentBankViewController: UITextFieldDelegate {
    func textFieldDidBeginEditing(_ textField: UITextField) {
        self.pickUp(textField)
        self.setPickerViewRowAsSelected()
    }
    
    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
        
        return false
    }
    
    func textFieldDidEndEditing(_ textField: UITextField) {
        
    }
}