LONDON-IOS/GME Remit/Utilities/HotLine/Application Logic/Interactor/HotLineInteractor.swift

//
//  HotLineInteractor.swift
//  GME Remit
//
//  Created by InKwon Devik Kim on 23/05/2019.
//Copyright © 2019 Gobal Money Express Co. Ltd. All rights reserved.
//

import Foundation

class HotLineInteractor {
  
  // MARK: Properties
  
  weak var output: HotLineInteractorOutput?
  private let service: HotLineServiceType
  
  // MARK: Initialization
  
  init(service: HotLineServiceType) {
    self.service = service
  }
  
}

// MARK: HotLine interactor input interface

extension HotLineInteractor: HotLineInteractorInput {
  func fetchHotLines() {
    service.fetchHotLines(
      success: {
        // Base selected Language
        // Base Native Country as lowercased
        let userCountry = GMEDB.shared.user.string(.countryCode)?.lowercased()
        
        guard
          let userHotLine = $0?.filter({ $0.countryCode == userCountry }),
          let anotherHotLines = $0?.filter ({ $0.countryCode != userCountry })
        else {
          self.output?.setHotLine(with: $0)
          return
        }
        
        let restoredHotLines = userHotLine + anotherHotLines
        self.output?.setHotLine(with: restoredHotLines)
      },
        failure: {
          self.output?.setError(with: $0)
      }
    )
  }
}