djid_sirani_ios/Sirani/View/ScanQR/Scanner/QRScannerPresenter.swift

//
//  QRScannerPresenter.swift
//  Sirani
//
//  Created by Anhar Solehudin on 10/04/19.
//  Copyright © 2019 Anhar Solehudin. All rights reserved.
//

import Foundation
import SwiftyJSON

class QRScannerPresenter {
    
    private let siraniApiServices: SiraniApiServices
    weak private var view: QRScannerViewDelegate?
    
    init(siraniApiServices: SiraniApiServices) {
        self.siraniApiServices = siraniApiServices
    }
    
    func attachView(view: QRScannerViewDelegate?) {
        self.view = view
    }
    
    func detachView() {
        self.view = nil
    }
    
    func loadData(code: String) {
        self.view?.showLoading()
        
        siraniApiServices.postToGetResultQrCode(code: code).responseJSON { response in
            if response.error == nil {
                guard let data = response.data else { return }
                if let json = try? JSON(data: data) {
                    
                    let result = ResultQrCode(
                        lic_no: json["lic_no"].stringValue,
                        lic_date: json["lic_date"].stringValue,
                        cust_id: json["cust_id"].intValue,
                        pmh_name: json["pmh_name"].stringValue,
                        eqp_name: json["eqp_name"].stringValue,
                        merk: json["merk"].stringValue,
                        model: json["model"].stringValue,
                        imei: json["imei"].stringValue,
                        mfc_name: json["mfc_name"].stringValue,
                        negara: json["negara"].stringValue,
                        acuan: json["acuan"].stringValue,
                        eqp_frek: json["eqp_frek"].stringValue,
                        eqp_power: json["eqp_power"].stringValue
                    )
                    
                    self.setResult(result: result)
                }
            } else {
                self.setEmptyResult()
            }
        }
    }
    
    // other functions
    private func setResult(result: ResultQrCode) {
        self.view?.setResulQrCode(resultQrCode: result)
        DispatchQueue.main.asyncAfter(deadline: .now() + 0.8) {
            self.view?.hideLoading()
        }
    }
    
    private func setEmptyResult() {
        self.view?.hideLoading()
        DispatchQueue.main.asyncAfter(deadline: .now() + 0.8) {
            self.view?.setEmptyQrCode()
        }
    }
}