LONDON-IOS/GMERemittance/Module/Resend/User Interface/View/ResendViewController.swift

//
//  ResendViewController.swift
//  GME Remit
//
//  Created by gme_2 on 18/03/2019.
//Copyright © 2019 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit
import Localize_Swift
//  func getParams(model: SendMoneyRequestModel, reciepient: Recipient) -> [String: String] { // last api call

class ResendRequestModel {
    var exchangeRateDetail: SendMoneyExchangeRateModel?
    var autoDebitAccount: Account?
    
    var paymemtMode: SendMoneyPayoutMode?
    var bankAgent: SendMoneyBank?
    var branch: SendMoneyBankBranch?
    var accountNumber: String?
    var payingAmount: String?
    var transactionPassword: String?
    
    var transaction: ResendTransactionModel?
    var reciepient: Recipient?

}

class ResendViewController: UIViewController {
    
    struct Constant {
        static let heightOfDateRangeLabel: CGFloat = 35
    }
    
    struct StringConstants {
        let searchPlaceholderText = "resend_search_hint_text".localized()

    }

    // MARK: IBOutlets
    @IBOutlet weak var tableView: UITableView!
    @IBOutlet weak var dateRangeLabelHeightConstraint: NSLayoutConstraint!
    @IBOutlet weak var emptyLabel: UILabel!
    @IBOutlet weak var fromDateLabel: UILabel!
    @IBOutlet weak var toDateLabel: UILabel!

    
    
    @IBOutlet weak var searchTextField: UITextField!
    
    
    // MARK: Properties
    
    var requestModel: ResendRequestModel?

    
    var from: String?
    var to: String?
    
    var model: ResendListModel? {
        didSet {
            self.transactions = model?.transactions ?? []
            self.accounts = model?.account ?? []
        }
    }
    
    var accounts: [Account] = []
    
    var transactions: [ResendTransactionModel] = [] {
        didSet {
          self.filteredTransaction = transactions
        }
    }
    
    var filteredTransaction: [ResendTransactionModel] = [] {
        didSet {
            self.emptyLabel.isHidden = !transactions.isEmpty
            self.tableView.reloadData()
            guard let fromDate = from, let toDate = to else {
                self.dateRangeLabelHeightConstraint.constant = 0
                return
            }
            
            self.fromDateLabel.text = self.getHUmanReadableDate(date: fromDate)
            self.toDateLabel.text = self.getHUmanReadableDate(date: toDate)
            UIView.animate(withDuration: 0.33, animations: {
                self.dateRangeLabelHeightConstraint.constant = Constant.heightOfDateRangeLabel
            })
        }
    }
    
    
    var selectedIndex: Int?
    
    var presenter: ResendModuleInterface?
    
    
    // MARK: VC's Life cycle
    
    override func viewDidLoad() {
        super.viewDidLoad()
        self.setupNormalNavigation()
        self.setup()
        self.presenter?.viewIsReady()
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        self.navigationItem.title = "resend_money_text".localized()
    }
    
    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillAppear(animated)
        self.navigationItem.title = ""
    }
    
    // MARK: IBActions

    @IBAction func openSearchFilter(_ sender: UIButton) {
        // open search filter
        let viewController = UIStoryboard.init(name: "TransactionHistoryDatePicker", bundle: nil).instantiateViewController(withIdentifier: "DatePickerViewController")  as! DatePickerViewController
        viewController.completion = self.selectedDate
        self.present(viewController, animated: true, completion: nil)
    }
    
    // MARK: Other Functions
    
    private func setup() {
        // all setup should be done here
        self.requestModel = ResendRequestModel()
        setupSearchTextField()
        setupDelegates()
        self.dateRangeLabelHeightConstraint.constant = 0
    }
    
    private func selectedDate(from: String?, to: String?) {
        self.from = from
        self.to = to
       self.fetchList(fromDate: from, toDate: to)
        // TODO

    }
    
    private func fetchList(fromDate: String? = nil, toDate: String? = nil) {
        guard let fromDate = fromDate, let toDate = toDate else { return }
        self.presenter?.fetchList(fromDate: fromDate, toDate: toDate)
    }
    
    private func setupSearchTextField() {
        searchTextField.placeholder = StringConstants().searchPlaceholderText
        let imageview = UIImageView(image: #imageLiteral(resourceName: "ic_search"))
        self.searchTextField.leftView = imageview
        self.searchTextField.leftViewMode = .always
        self.searchTextField.addTarget(self, action: #selector(search(sender:)), for: UIControlEvents.editingChanged)
    }
    
    @objc func search(sender: UITextField) {
        let searchText = sender.text!.lowercased()
        self.presenter?.filter(searchText: searchText)
    }
    
    private func setupDelegates() {
        self.tableView.delegate = self
        self.tableView.dataSource = self
    }
    
    private func showMethodSelection(for index: Int) {
        self.selectedIndex = index
        let wireframe = PaymentSelectionWireframe()
        wireframe.openPaymentSelection(accounts: self.accounts ?? [], onSelection: self.selectedAcunt, source: self)
    }
    
    func selectedAcunt(acunt: Account) {
        guard let index = self.selectedIndex, let transaction = self.filteredTransaction.elementAt(index: index), let requestModel = self.requestModel, let transactionId = self.filteredTransaction.elementAt(index: index)?.transactionId else {return}
        
        requestModel.autoDebitAccount = acunt
        requestModel.transaction = transaction
        
        if let navigation = self.navigationController {
            let wireframe = ResendExchangeWireframe()
            wireframe.openExchangeWireFrame(model: requestModel, transactionId: transactionId , source: navigation)
        }
    }
    
    private func getHUmanReadableDate(date: String?) -> String? {
        if let date = DateFormatter.toDate(dateString: date ?? "", format: AppConstants.dateFormat) {
            let dateString = DateFormatter.toString(date: date, format: AppConstants.humanReadableDateFormat)
            return dateString
        }
        return nil
    }
}

// MARK: TransactionHistoryViewInterface
extension ResendViewController: ResendViewInterface {
    func show(model: ResendListModel) {
        self.model = model
    }
    
    func showLoading() {
        self.showProgressHud()
    }
    
    func hideLoading() {
        self.hideProgressHud()
    }
    
    func show(error: String) {
        self.alert(message: error)
    }
    
    func show(models: [ResendTransactionModel]) {
        self.filteredTransaction = models
    }
}

// MARK: TableViewDelegate
extension ResendViewController: UITableViewDelegate {
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        self.selectedIndex = indexPath.row
        self.showMethodSelection(for: indexPath.row)
    }
}

// MARK: TableViewDatasource
extension ResendViewController: UITableViewDataSource {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return filteredTransaction.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "ResendTableViewCell") as!  ResendTableViewCell
        cell.model = self.filteredTransaction.elementAt(index: indexPath.row)
        cell.setup()
        return cell
    }
}