djid_sirani_ios/Sirani/View/BalaiUji/Index/BalaiUjiPresenter.swift

//
//  BalaiUjiPresenter.swift
//  Sirani
//
//  Created by Anhar Solehudin on 03/04/19.
//  Copyright © 2019 Anhar Solehudin. All rights reserved.
//

import Foundation
import SwiftyJSON

class BalaiUjiPresenter {
    
    private let siraniApiServices: SiraniApiServices
    weak private var view: BalaiUjiViewDelegate?
    
    init(siraniApiServices: SiraniApiServices) {
        self.siraniApiServices = siraniApiServices
    }
    
    func attachView(view: BalaiUjiViewDelegate?) {
        self.view = view
    }
    
    func detachView() {
        self.view = nil
    }
    
    func loadData(status: String, limit: Int, page: Int, jenis: String, search: String) {
        self.view?.hideNoDataLayout()
        self.view?.showLoading()
        
        // TODO : Get Id from User Sessions
        var custId = 0
        var roleId = ""
        var userId = 0
        
        let savedCustId = UserState.instance.getCustId()
        if savedCustId > 0 {
            custId = savedCustId
        }
        
        let savedRoleId = UserState.instance.getRoleId()
        if !savedRoleId.isEmpty {
            roleId = savedRoleId
        }
        
        let savedUserId = UserState.instance.getUserId()
        if savedUserId > 0 {
            userId = savedUserId
        }
        
        var dataList = [BalaiUji]()
        siraniApiServices.postToGetBalaiUjiNew(user_id: userId, cust_id: custId, role_id: roleId, status: status, limit: limit, page: page, search: search, jenis: jenis).responseJSON { response in
            if response.error == nil {
                guard let data = response.data else { return }
                if let json = try? JSON(data: data) {
                    if let data = json["data"].array {
                        if data.count > 0 {
                            for item in data {
                                let balaiUji = BalaiUji(
                                    balai_id: item["balai_id"].intValue,
                                    ctia: item["ctia"].intValue,
                                    gcf: item["gcf"].intValue,
                                    kontak: item["kontak"].stringValue,
                                    latitude: item["latitude"].stringValue,
                                    longitude: item["longitude"].stringValue,
                                    nama: item["nama"].stringValue,
                                    negara: item["negara"].stringValue,
                                    no_lab: item["no_lab"].stringValue,
                                    ruang_lingkup: item["ruang_lingkup"].stringValue,
                                    tanggal_terbit: item["tanggal_terbit"].stringValue,
                                    tempat: item["tempat"].stringValue,
                                    website: item["website"].stringValue
                                )
                                
                                dataList.append(balaiUji)
                            }
                            self.setDataList(dataList: dataList)
                        } else {
                            if page > 0 {
                                self.setDataList(dataList: dataList)
                            } else {
                                self.showNoData()
                            }
                        }
                    } else {
                        self.showNoData()
                    }
                } else {
                    self.showNoData()
                }
            } else {
                self.showNoData()
            }
        }
    }
    
    // other functions
    private func setDataList(dataList: [BalaiUji]) {
        self.view?.setDataList(dataList: dataList)
        DispatchQueue.main.asyncAfter(deadline: .now() + 0.6) {
            self.view?.hideLoading()
        }
    }
    
    private func showNoData() {
        DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
            self.view?.showNoDataLayout()
            self.view?.hideLoading()
        }
    }
}