ViewController

//
//  ViewController.swift
//  First screen
//
//  Created by karolis on 17/09/2019.
//  Copyright © 2019 karolis. All rights reserved.
//

import UIKit
import Foundation

class HomeController: UIViewController {

    //SEARCH BAR *******
    let searchBar = UISearchBar()

    @objc func handleShowSearchBar() {
        searchBar.becomeFirstResponder()
        search(shouldShow: true)
    }

    func configureUI() {
        view.backgroundColor = .white

        searchBar.sizeToFit()
        searchBar.delegate = self as? UISearchBarDelegate

        navigationController?.navigationBar.barTintColor = UIColor(red: 55/255, green: 120/255,
                                                                   blue: 250/255, alpha: 1)
        navigationController?.navigationBar.barStyle = .black
        navigationController?.navigationBar.tintColor = .white
        navigationController?.navigationBar.prefersLargeTitles = true
        navigationController?.navigationBar.isTranslucent = false
        navigationItem.title = "Search Bar"
        showSearchBarButton(shouldShow: true)
    }

    func showSearchBarButton(shouldShow: Bool) {
        if shouldShow {
            navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .search,
                                                                target: self,
                                                                action: #selector(handleShowSearchBar))
        } else {
            navigationItem.rightBarButtonItem = nil
        }
    }

    func search(shouldShow: Bool) {
        showSearchBarButton(shouldShow: !shouldShow)
        searchBar.showsCancelButton = shouldShow
        navigationItem.titleView = shouldShow ? searchBar : nil
    }

    //SEARCH BAR *******

    //PIRCKER ****

    @IBOutlet weak var favoriteDayTextField: UITextField!

    let days = ["Pirmas",
                "Antras",
                "Trecias",
                "Ketvirtas",
                "Penktas",
                "Sestas",
                "Septintas"]

    var selectedDay: String?

    //PICKER ***

    let cellId = "cellId"
    let headerId = "headerId"
    let footerId = "footerId"

    let collectionView : UICollectionView = {
        let layout = UICollectionViewFlowLayout()
        layout.sectionHeadersPinToVisibleBounds = true
        layout.minimumLineSpacing = 1
        let collection = UICollectionView(frame: .zero, collectionViewLayout: layout)
        collection.translatesAutoresizingMaskIntoConstraints = false
        return collection
    }()

    let filterVie: UIView = {
        let view = UIView()
        view.backgroundColor = .gray
        view.translatesAutoresizingMaskIntoConstraints = false
        return view
    }()


    //searchbar ios swift programmaticaly


    //filter picker


    func setupView() {
        view.addSubview(filterVie)
        view.addSubview(collectionView)
        view.addSubview(searchBar)



        filterVie.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor).isActive = true
        filterVie.leftAnchor.constraint(equalTo: view.leftAnchor).isActive = true
        filterVie.rightAnchor.constraint(equalTo: view.rightAnchor).isActive = true
        filterVie.heightAnchor.constraint(equalToConstant: 50).isActive = true


        collectionView.topAnchor.constraint(equalTo: filterVie.bottomAnchor).isActive = true
        collectionView.leftAnchor.constraint(equalTo: view.leftAnchor).isActive = true
        collectionView.rightAnchor.constraint(equalTo: view.rightAnchor).isActive = true
        collectionView.bottomAnchor.constraint(equalTo: view.bottomAnchor).isActive = true

        searchBar.topAnchor.constraint(equalTo: filterVie.topAnchor).isActive = true
        searchBar.leftAnchor.constraint(equalTo: view.leftAnchor).isActive = true
        searchBar.rightAnchor.constraint(equalTo: view.rightAnchor).isActive = true
        searchBar.bottomAnchor.constraint(equalTo: filterVie.bottomAnchor).isActive = true


    }

//    //************* PICKER
//    func createDayPicker() {
//
//        let dayPicker = UIPickerView()
//        dayPicker.delegate = self
//
//        favoriteDayTextField!.inputView = dayPicker
//        dayPicker.backgroundColor = .black
//    }
//    func createToolbar() {
//
//        let toolBar = UIToolbar()
//        toolBar.sizeToFit()
//        toolBar.barTintColor = .black
//        toolBar.tintColor = .white
//
//        let doneButton = UIBarButtonItem(title: "Done", style: .plain, target: self, action: #selector(UIViewController.dismiss(animated:completion:)))
//
//        toolBar.setItems([doneButton], animated: false)
//        toolBar.isUserInteractionEnabled = true
//
//        favoriteDayTextField.inputAccessoryView = toolBar
//    }
//
//    @objc func dismissKeyboard() {
//        view.endEditing(true)
//    }
//    //************* PICKER


    override func viewDidLoad() {

        super.viewDidLoad()
        setupView()
        configureUI()

        navigationItem.title = "Paskyros"

        collectionView.backgroundColor = .white
        collectionView.dataSource = self
        collectionView.delegate = self
        collectionView.register(WordCell.self, forCellWithReuseIdentifier: cellId)


//        createDayPicker()
//        createToolbar()

    }
}

//SEARCH BAR *******
extension HomeController: UISearchBarDelegate {
    func searchBarTextDidBeginEditing(_ searchBar: UISearchBar) {
        print("Search bar editing did begin..")
    }

    func searchBarTextDidEndEditing(_ searchBar: UISearchBar) {
        print("Search bar editing did end..")
    }

    func searchBarCancelButtonClicked(_ searchBar: UISearchBar) {
        search(shouldShow: false)
    }

    func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
        print("Search text is \(searchText)")
    }
}
//SEARCH BAR *******




//************* PICKER
extension HomeController: UIPickerViewDelegate, UIPickerViewDataSource {

    func numberOfComponents(in pickerView: UIPickerView) -> Int {
        return 1
    }


    func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
        return days.count
    }


    func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
        return days[row]
    }


    func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {

        selectedDay = days[row]
        favoriteDayTextField.text = selectedDay
    }
    func pickerView(_ pickerView: UIPickerView, viewForRow row: Int, forComponent component: Int, reusing view: UIView?) -> UIView {

        var label: UILabel

        if let view = view as? UILabel {
            label = view
        } else {
            label = UILabel()
        }

        label.textColor = .green
        label.textAlignment = .center
        label.font = UIFont(name: "Menlo-Regular", size: 17)

        label.text = days[row]

        return label
    }
}
//************* PICKER


extension HomeController : UICollectionViewDelegate {

}


extension HomeController : UICollectionViewDataSource {

    func numberOfSections(in collectionView: UICollectionView) -> Int {
        return 1
    }
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return 7
    }



    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: cellId, for: indexPath) as! WordCell



        return cell
    }


}


extension HomeController : UICollectionViewDelegateFlowLayout  {


    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
        return CGSize(width: collectionView.frame.width, height: 65)
    }
}