//
//  OdsAplikasiEntryPresenter.swift
//  Sirani
//
//  Created by Anhar Solehudin on 13/04/19.
//  Copyright © 2019 Anhar Solehudin. All rights reserved.
//

import Foundation
import SwiftyJSON

class OdsAplikasiEntryPresenter {
    
    private let siraniApiServices: SiraniApiServices
    weak private var view: OdsAplikasiEntryViewDelegate?
    
    init(siraniApiServices: SiraniApiServices) {
        self.siraniApiServices = siraniApiServices
    }
    
    func attachView(view: OdsAplikasiEntryViewDelegate?) {
        self.view = view
    }
    
    func detachView() {
        self.view = nil
    }
    
    func loadData(cursor: Int, prev: Int, jenis: String, columns: String, search: String) {
        self.view?.hideNoDataLayout()
        self.view?.showLoading()
        
        // TODO : Get Id from User Sessions
        let custId = 0
        
//        let savedCustId = UserState.instance.getCustId()
//        if savedCustId > 0 {
//            custId = savedCustId
//        }
        
        var dataList = [OdsAplikasiEntry]()
        siraniApiServices.postToGetOdsAplikasiEntry(cursor: cursor, prev: prev, jenis: jenis, columns: columns, search: search, cust_id: custId).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 aplikasiEntry = OdsAplikasiEntry(
                                        apl_id: item["apl_id"].intValue,
                                        resi_cek: item["resi_cek"].stringValue,
                                        jns_apl: item["jns_apl"].stringValue,
                                        tgla: item["tgla"].stringValue,
                                        plg_id: item["plg_id"].intValue,
                                        nib: item["nib"].stringValue,
                                        cust_name: item["cust_name"].stringValue,
                                        eqp_name: item["eqp_name"].stringValue,
                                        merk: item["merk"].stringValue,
                                        model: item["model"].stringValue,
                                        brand: item["brand"].stringValue,
                                        mfc_name: item["mfc_name"].stringValue,
                                        negara: item["negara"].stringValue)
                                    
                                    dataList.append(aplikasiEntry)
                                }
                                self.setDataList(dataList: dataList)
                            } else {
                                if cursor > 0 {
                                    self.setDataList(dataList: dataList)
                                } else {
                                    self.showNoData()
                                }
                            }
                        } else {
                            self.showNoData()
                        }
                    } else {
                        self.showNoData()
                    }
                } else {
                    self.showNoData()
                }
        }
    }
    
    // other functions
    private func setDataList(dataList: [OdsAplikasiEntry]) {
        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()
        }
    }
}