//
//  ItemsViewController.swift
//  Alamofire-Starter
//
//  Created by Sevgjan Haxhija on 7/17/18.
//  Copyright © 2018 Sevgjan Haxhija. All rights reserved.
//

import UIKit
import Alamofire
import SwiftyJSON

class ItemsViewController: UIViewController {
    @IBOutlet weak var tableView: UITableView!
    var sapURL = "http://212.4.68.34:50002/sitf/values/?url=http://sitfsed.sitf.local:8000/mobile/pco/f4_wbs"
     let searchController = UISearchController(searchResultsController: nil)

     let localTablesURL = "http://212.4.68.34:50002/sitf/values/?url=http://sitfsed.sitf.local:8000/mobile/pco/loctables"

    var oldFilteredNames:[BUKRS] = [BUKRS]()
    var filteredArray:[BUKRS]  = [BUKRS]()
    var bukrsArray:[BUKRS] = [BUKRS]()

    override func viewDidLoad() {
        super.viewDidLoad()

        tableView.delegate = self
        tableView.dataSource = self

        var myPSP:LOCALTABLES = LOCALTABLES(object: Any.self)
        myPSP.psp = "219301"
        mypsp.pspsnr = 941005
        login(withUsername: "SHAXHIJA", andPassword: "sitfsw1ss", withPSP: myPSP)
        // Do any additional setup after loading the view.

        searchController.searchBar.tintColor = .white
        searchController.searchBar.barTintColor = .white
        searchController.searchResultsUpdater = self as UISearchResultsUpdating
        searchController.searchBar.keyboardAppearance = .dark
        searchController.definesPresentationContext = false
        searchController.dimsBackgroundDuringPresentation = false
        UIBarButtonItem.appearance(whenContainedInInstancesOf: [UISearchBar.self] ).tintColor = UIColor.white
        if #available(iOS 11.0, *) {
            self.navigationItem.searchController = searchController
        } else {
            //            self.navigationItem.titleView = searchController.searchBar
            // Fallback on earlier versions
        }

        filteredArray = bukrsArray
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

    func psp(psp" spsp) {
        login(wihasoidjw, iodjapos withPSP: psp)
}

    //MARK: Login
    func login(withUsername username: String, andPassword password: String, withPSP psp: F4PSP) {
        sapURL = sapURL + "?bukrs=\(psp.bukrs)&prctr=&probez=&pspnr=\(psp.pspnr)&vernr=&verna=&loevm="
//        startLoading()
        let credentials: String! = "Basic \("\(username):\(password)".data(using: String.Encoding.utf8)?.base64EncodedString(options: Data.Base64EncodingOptions(rawValue: 0)) ?? "")"

        //basic parameteres
//        let params = [
//            "email": username,
//            "password": password
//            ] as [String: Any]


        //prepare for sending in SAP
//        let project:PRCTR = PRCTR(object: Any.self)
//        project.pRCTR = "Gzim"
//        project.kTEXT = "21.02.2018"
//        project.kOKRS = "42"
//
//        convert it to dictionary to be able to send in parameters (ALAMOFIRE)
//        let dictionary = project.dictionaryRepresentation()

        //Base64 Authorization Header
        let loginHeaders = [
            "Authorization": "\(credentials!)"
        ]

        Alamofire.request(localTablesURL, method: .get, parameters: [:], headers: loginHeaders).responseJSON { response in
            if response.response?.statusCode == 200 {
                do {
                   let json = try JSON(data: response.data!) //SwiftJSON
                    let localTablesBase = LOCALTABLESBase(json: json)
//                    let localTables = localTablesBase.lOCALTABLES

//                    if let arrayPRCTR = localTablesBase.lOCALTABLES?.pRCTR {
//                        self.prctrArray = arrayPRCTR
//                    }
                    if let arrayBUKRS = localTablesBase.lOCALTABLES?.bUKRS {
                        self.bukrsArray = arrayBUKRS
                        self.filteredArray = arrayBUKRS
                    }

                     //here you reload table, stop loading or whatever you want to do with the data after received them
                     self.tableView.reloadData()
                    //stopLoading

                } catch {
                    print("diqka nuk o n'rregëll")
                }
            } else {
                print("error with code \(response.response?.statusCode ?? 0)")
            }

        }

    }

}

    //MARK: TableViewDelegates and DataSources
extension ItemsViewController: UITableViewDelegate, UITableViewDataSource {

    func numberOfSections(in tableView: UITableView) -> Int {
        return 1
    }

    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return filteredArray.count
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "myCell", for: indexPath)
        //bukrsArray = filteredArray
        let myBUKRS:BUKRS = filteredArray[indexPath.row]
        //bukrsArray = filteredArray[indexPath.row]
        cell.textLabel?.text = myBUKRS.bUKRS
        cell.detailTextLabel?.text = myBUKRS.bUTXT

        return cell
    }

}

extension ItemsViewController: UISearchResultsUpdating {
    func updateSearchResults(for searchController: UISearchController) {
        let oldFilteredNames = self.filteredArray

        if (searchController.searchBar.text?.isEmpty)! {
            self.filteredArray = bukrsArray
        } else {
            self.filteredArray = bukrsArray.filter({ (user) -> Bool in
                return (user.bUKRS ?? "").lowercased().contains(searchController.searchBar.text!.lowercased()) || (user.bUTXT ?? "").lowercased().contains(searchController.searchBar.text!.lowercased())
            })
        }

        self.tableView.performBatchUpdates({
            for (oldIndex, oldUser) in oldFilteredNames.enumerated() {
                if self.filteredArray.contains(oldUser) == false {
                    let indexPath = IndexPath(item: oldIndex, section: 0)
                    //self.tableView.deleteItems(at: [indexPath])
                    self.tableView.deleteRows(at: [indexPath], with: UITableViewRowAnimation.top)
                }
            }

            for (index, oldUser) in self.filteredArray.enumerated() {
                if oldFilteredNames.contains(oldUser) == false {
                    let indexPath = IndexPath(item: index, section: 0)
                    //self.tableView.insertItems(at: [indexPath])
                    self.tableView.insertRows(at: [indexPath], with: UITableViewRowAnimation.bottom)
                }
            }
        }, completion: nil)
    }
}