import UIKit
import GooglePlaces

class ViewController: UIViewController {
  @IBOutlet weak var schoolTextField: UITextField!
  @IBOutlet weak var schooltableView: UITableView!

  var placesClient : GMSPlacesClient?
  var resultArray  = [String]()

  override func viewDidLoad() {
    super.viewDidLoad()
  }

  func placeAutocomplete(text:String) {
    let filter = GMSAutocompleteFilter()
    filter.type = .noFilter
    placesClient?.autocompleteQuery(text, bounds: nil, filter: filter, callback: {(results, error) -> Void in
    if let error = error {
      print("Autocomplete error (error)")
      return
    }
    if let results = results {
     self.resultArray = [String]()
     for result in results {
      self.resultArray.append(String(describing: result.attributedFullText))
      print("Result (result.attributedFullText) with placeID (result.placeID)")
    }
  }
  self.schooltableView.reloadData()
  })
 }
}

extension ViewController:UITextFieldDelegate {
  func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
    let currentText = textField.text ?? ""
    placeAutocomplete(text:currentText)
    return true
     }
   }

  extension ViewController:UITableViewDelegate,UITableViewDataSource {
  func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return resultArray.count
  }

  func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath)as! SchoolCell
    cell.schoolLabel.text = resultArray[indexPath.row]
    return cell
  }

  func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
    //do something, unable to reach here
  }
}