LONDON-IOS/GME Remit/Modules/RewardModules/OrderHistory/User Interface/View/OrderHistoryViewController.swift

//
//  OrderHistoryViewController.swift
//  GME Remit
//
//  Created by InKwon Devik Kim on 14/05/2019.
//Copyright © 2019 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit
import XLPagerTabStrip

class OrderHistoryViewController: UIViewController {
  
  // MARK: Properties
  
  var presenter: OrderHistoryModuleInterface?
  
  private lazy var refreshControl = UIRefreshControl()
  
  private lazy var isSearch = false
  
  // MARK: Computed Properties
  
  private var orders: [Order]? {
    didSet {
      guard
        let orders = self.orders,
        orders.count != 0
        else {
          noOrderHistoryLabel.isHidden = false
          noOrderHistoryLabel.text = isSearch ? "no_search_orders_message_text".localized() : "no_orders_message_text".localized()
          tableView.reloadData()
          return
      }
      
      tableView.reloadData()
      noOrderHistoryLabel.isHidden = true
    }
  }
  
  // MARK: IBOutlets
  
  @IBOutlet private weak var tableView: UITableView!
  @IBOutlet private weak var searchBar: UISearchBar!
  @IBOutlet private weak var periodView: UIView!
  @IBOutlet private weak var perioidContentView: UIView!
  @IBOutlet private weak var noOrderHistoryLabel: UILabel!
  
  @IBOutlet private weak var startDateLabel: UILabel!
  @IBOutlet private weak var endDateLabel: UILabel!
  
  @IBOutlet private weak var orderedColorLabel: UILabel!
  @IBOutlet private weak var receivedColorLabel: UILabel!
  @IBOutlet private weak var canceledColorLabel: UILabel!
  
  @IBOutlet private weak var periodViewHeightConstraint: NSLayoutConstraint!
  
  // MARK: VC's Life cycle
  
  override func viewDidLoad() {
    super.viewDidLoad()
    setup()
  }
  
  override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
    
    if searchBar.text == "" && startDateLabel.text == ""{
      isSearch = false
      presenter?.fetchOrders(from: "", to: "")
    }
  }
  
  override func viewWillDisappear(_ animated: Bool) {
    super.viewWillDisappear(animated)
  }
  
  // MARK: IBActions
  
  @IBAction private func touchCalendar(_ sender: UIButton) {
    presenter?.presentDatePicker{ [weak self] (from, to) in
      guard let `self` = self else { return }
      
      let originDateFormatter = DateFormatter()
      originDateFormatter.dateFormat = "yyyy-MM-dd"
      
      let dateFormatter = DateFormatter()
      dateFormatter.dateFormat = "MMM d, yyyy"
      
      guard
        let startDate = from,
        let endDate = to,
        let changeFormatStartDate = originDateFormatter.date(from: startDate),
        let changeFormatEndDate = originDateFormatter.date(from: endDate)
        else { return }
      
      
      self.startDateLabel.text = dateFormatter.string(from: changeFormatStartDate)
      self.endDateLabel.text = dateFormatter.string(from: changeFormatEndDate)
      
      self.setPeriodViewStatus(isHidden: false)
      self.searchBar.text?.removeAll()
      
      self.isSearch = true
      
      self.presenter?.fetchOrders(from: startDate, to: endDate)
    }
  }
  
  @IBAction func touchHidePerioidContentView(_ sender: Any) {
    startDateLabel.text?.removeAll()
    endDateLabel.text?.removeAll()
    refresh()
  }
}

// MARK: OrderHistoryViewInterface
extension OrderHistoryViewController: OrderHistoryViewInterface {
  func setOrderHistoryModel(with model: [Order]?) {
    orders = model
  }
  
  func didFailFetchOrderHistory(with error: Error) {
    alert(type: .error, message: error.localizedDescription)
  }
  
  func stardLoading() {
    showProgressHud()
  }
  
  func endLoading() {
    hideProgressHud()
    
    DispatchQueue.main.asyncAfter(deadline: .now()){ [weak self] in
      guard let `self` = self else { return }
      
      if #available(iOS 10.0, *) {
        self.tableView.refreshControl?.endRefreshing()
      } else {
        self.refreshControl.endRefreshing()
      }
    }
  }
  
}

// MARK: Other Functions
extension OrderHistoryViewController {
  private func setup() {
    initDelegate()
    initUI()
    setMultiLanguage()
    
    orderedColorLabel.layer.cornerRadius = 5
    receivedColorLabel.layer.cornerRadius = 5
    canceledColorLabel.layer.cornerRadius = 5
    
    perioidContentView.layer.cornerRadius = 5
    
    canceledColorLabel.backgroundColor = .themeRed
  }
  
  private func setMultiLanguage(){
    searchBar.placeholder = "search_text".localized()
    orderedColorLabel.text = "ordered_text".localized()
    receivedColorLabel.text = "received_text".localized()
    canceledColorLabel.text = "canceled_text".localized()
    noOrderHistoryLabel.text = "no_orders_message_text".localized()
  }
  
  private func initDelegate(){
    tableView.delegate = self
    tableView.dataSource = self
    searchBar.delegate = self
  }
  
  private func initUI(){
    searchBar.layer.borderWidth = 1
    searchBar.layer.borderColor = UIColor.init(hex: "#F9F9F9").cgColor
    setPeriodViewStatus(isHidden: true)
    addRefreshControl()
  }
  
  private func addRefreshControl() {
    let colorOption = [NSAttributedString.Key.foregroundColor : UIColor.themeWhite];
    
    let title = NSAttributedString(string: "pull to refresh", attributes: colorOption)
    
    refreshControl.attributedTitle = title
    refreshControl.backgroundColor = .themeBlue
    refreshControl.tintColor = .themeWhite
    refreshControl.addTarget(self, action: #selector(refresh), for: .valueChanged)
    
    if #available(iOS 10.0, *) {
      tableView.refreshControl = refreshControl
    } else {
      tableView.addSubview(refreshControl)
    }
  }
  
  private func setPeriodViewStatus(isHidden: Bool){
    periodView.isHidden = isHidden
    periodViewHeightConstraint.constant = isHidden ? 0.0 : 35.0
  }
  
  @objc
  private func refresh() {
    setPeriodViewStatus(isHidden: true)
    searchBar.text?.removeAll()
    isSearch = false
    presenter?.fetchOrders(from: "", to: "")
  }
  
}

// MARK: - XLPagerTabStrip'`s IndicatorInfoProvider
extension OrderHistoryViewController: IndicatorInfoProvider {
  func indicatorInfo(for pagerTabStripController: PagerTabStripViewController) -> IndicatorInfo {
    return IndicatorInfo.init(title: "orders_group_title_text".localized())
  }
  
}


// MARK: - UITableViewDataSource
extension OrderHistoryViewController: UITableViewDataSource {
  func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    guard let orders = self.orders else {
      return 0
    }
    
    return orders.count
  }
  
  func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    guard let cell = tableView.dequeueReusableCell(withIdentifier: "OrderCell") as? OrderCell
      else {
      return UITableViewCell()
    }
    
    cell.setModel(with: orders?[indexPath.row])
    return cell
  }
  
}

// MARK: - UITableViewDelegate
extension OrderHistoryViewController: UITableViewDelegate {
  func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
    presenter?.pushDetailOrder(with: orders?[indexPath.row])
  }
}

// MARK: - UISearchBarDelegate
extension OrderHistoryViewController: UISearchBarDelegate {
  func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
    isSearch = true
    presenter?.fetchFilteredOrders(by: searchText)
  }
  
}