LONDON-IOS/GME Remit/Modules/Notice/DetailNotification/User Interface/View/DetailNotificationViewController.swift

//
//  DetailNotificationViewController.swift
//  GME Remit
//
//  Created by InKwon James Kim on 2020/02/11.
//Copyright © 2020 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit
import RxSwift
import RxCocoa

class DetailNotificationViewController: UIViewController {
  
  // MARK: Properties
  var presenter: DetailNotificationPresenter!
  
  private let disposeBag = DisposeBag()
  // MARK: Computed Properties
  
  // MARK: IBOutlets
  @IBOutlet private weak var imageView: UIImageView!
  @IBOutlet private weak var titleLabel: UILabel!
  @IBOutlet private weak var contentLabel: UILabel!
  @IBOutlet private weak var dateLabel: UILabel!
  @IBOutlet private weak var contentView: UIView!
  
  // MARK: VC's Life cycle
  override func viewDidLoad() {
    super.viewDidLoad()
    setup()
  }
  
  override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
    title = "Notice"
  }
  
  override func viewWillDisappear(_ animated: Bool) {
    super.viewWillDisappear(animated)
  }
  
  // MARK: IBActions

}

// MARK: Other Functions
extension DetailNotificationViewController {
  
  private func setup() {
    setUI()
    setBinding()
    setUIBinding()
  }
  
  private func setUI() {
  }
  
  private func setUIBinding() {
  }

  private func setBinding() {
    let viewWillAppear = rx
      .sentMessage(#selector(UIViewController.viewWillAppear(_:))).mapToVoid().asDriverOnErrorJustComplete()
    
    let input = DetailNotificationPresenter.Input(
      viewWillAppear: viewWillAppear
    )
    
    let output = presenter.transform(input: input)

    output.isError
    .drive(
      onNext: { self.alert(type: .error, message: $0.localizedDescription) }
    ).disposed(by: disposeBag)
    
    output.isProgress
    .drive(
      onNext: { $0 ? self.showProgressHud() : self.hideProgressHud() }
    ).disposed(by: disposeBag)
    
    output.model.map {$0.body}.drive(contentLabel.rx.text).disposed(by: disposeBag)
    output.model.map {$0.date}.drive(dateLabel.rx.text).disposed(by: disposeBag)
    output.model.map {$0.title ?? ""}.drive(titleLabel.rx.text).disposed(by: disposeBag)
    output.model.map {$0.imageURL}.drive(onNext: {[weak self] in
      guard let imageURL = $0, let url = URL(string: imageURL) else {
        self?.imageView.isHidden = true
        return
      }
      
      self?.showProgressHud()
      self?.imageView.kf.setImage(with: url) { _ in
        self?.hideProgressHud()
      }
    }).disposed(by: disposeBag)
  }
}