djid_sirani_ios/Sirani/View/News/Index/SearchNewsVC.swift

//
//  SearchNewsVC.swift
//  Sirani
//
//  Created by Anhar Solehudin on 25/04/19.
//  Copyright © 2019 Anhar Solehudin. All rights reserved.
//

import UIKit

protocol SearchNewsDelegate {
    func onSearch(search: String, parameter: String, jenis: String)
}

class SearchNewsVC: UIViewController {

    // Outlets
    @IBOutlet weak var inputSearch: RoundTextField!
    @IBOutlet weak var optionsTV: UITableView!
    @IBOutlet weak var optionsLayout: UIView!
    @IBOutlet weak var optionsBg: UIView!
    @IBOutlet weak var btnParameterOptions: UIButton!
    @IBOutlet weak var btnJenisOptions: UIButton!
    
    // Initialize
    var delegate: SearchNewsDelegate?
    
    // id
    private let unwindSegueId = "unwindSearchToNewsSegueId"
    private let cellId = "searchNewsOptionCellId"
    
    // constants vallue data
    private let OPTION_PARAMATER_ID = 1
    private let OPTION_JENIS_ID = 2
    private let OPTION_PARAMATER_LABEL = "Pilih Parameter"
    private let OPTION_JENIS_LABEL = "Pilih Jenis"
    private let parameterOptionItems = [
        OptionItem(label: "Semua", value: ""),
        OptionItem(label: "Judul Berita", value: "title_news"),
        OptionItem(label: "Berita", value: "pra_news"),
    ]
    private let jenisOptionItems = [OptionItem]()
    
    // variables
    private var selectedOptions = 0
    private var selectedOptionItems = [OptionItem]()
    private var optionsShown = false
    
    // Result Values
    private var search = ""
    private var parameter = ""
    private var jenis = ""
    
    // View Lifecycles
    override var preferredStatusBarStyle: UIStatusBarStyle {
        return .lightContent
    }
    
    override func viewWillAppear(_ animated: Bool) {
        btnParameterOptions.layer.masksToBounds = false
        btnParameterOptions.layer.shadowColor = #colorLiteral(red: 0.6000000238, green: 0.6000000238, blue: 0.6000000238, alpha: 1)
        btnParameterOptions.layer.shadowOpacity = 0.5
        btnParameterOptions.layer.shadowOffset = CGSize(width: 1, height: 1)
        btnParameterOptions.layer.shadowRadius = 1
        
        btnJenisOptions.layer.masksToBounds = false
        btnJenisOptions.layer.shadowColor = #colorLiteral(red: 0.6000000238, green: 0.6000000238, blue: 0.6000000238, alpha: 1)
        btnJenisOptions.layer.shadowOpacity = 0.5
        btnJenisOptions.layer.shadowOffset = CGSize(width: 1, height: 1)
        btnJenisOptions.layer.shadowRadius = 1
        
        hideOptions()
        optionsTV.bringSubviewToFront(optionsBg)
        let onOptionsBgTapped = UITapGestureRecognizer(target: self, action: #selector(hideOptions))
        optionsBg.addGestureRecognizer(onOptionsBgTapped)
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        optionsTV.delegate = self
        optionsTV.dataSource = self
        optionsTV.tableFooterView = UIView()
    }
    
    // private functions
    private func showOptions() {
        optionsLayout.show()
        optionsShown = true
    }
    
    @objc private func hideOptions() {
        optionsLayout.hide()
        optionsShown = false
    }
    
    // actions
    @IBAction func onBtnBackTap(_ sender: Any) {
        performSegue(withIdentifier: unwindSegueId, sender: self)
    }
    
    @IBAction func onInputSearchKeyTap(_ sender: Any) {
        view.endEditing(true)
    }
    
    @IBAction func onParameterOptionsTapped(_ sender: Any) {
        selectedOptions = OPTION_PARAMATER_ID
        selectedOptionItems.removeAll()
        selectedOptionItems += parameterOptionItems
        optionsTV.reloadData()
        showOptions()
    }
    
    @IBAction func onJenisOptionsTapped(_ sender: Any) {
        //        selectedOptions = OPTION_JENIS_ID
        //        selectedOptionItems.removeAll()
        //        selectedOptionItems += jenisOptionItems
        //        optionsTV.reloadData()
        //        showOptions()
    }
    
    @IBAction func onBtnResetTap(_ sender: Any) {
        search = ""
        parameter = ""
        jenis = ""
        
        inputSearch.text = ""
        btnParameterOptions.setTitle(OPTION_PARAMATER_LABEL, for: .normal)
        btnJenisOptions.setTitle(OPTION_JENIS_LABEL, for: .normal)
    }
    
    @IBAction func onBtnSearchTap(_ sender: Any) {
        if let searchText = inputSearch.getText() {
            search = searchText
        }
        
        self.delegate?.onSearch(search: search, parameter: parameter, jenis: jenis)
        performSegue(withIdentifier: unwindSegueId, sender: self)
    }
    
}

extension SearchNewsVC: UITableViewDelegate, UITableViewDataSource {
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return selectedOptionItems.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        if let cell = tableView.dequeueReusableCell(withIdentifier: cellId, for: indexPath) as? OptionsCell {
            
            let optionItem = selectedOptionItems[indexPath.row]
            cell.updateViews(item: optionItem)
            
            return cell
        } else {
            return OptionsCell()
        }
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        if selectedOptions == OPTION_PARAMATER_ID {
            parameter = selectedOptionItems[indexPath.row].value as! String
            let parameterLabel = selectedOptionItems[indexPath.row].label
            btnParameterOptions.setTitle(parameterLabel, for: .normal)
        }
        //        else if selectedOptions == OPTION_JENIS_ID {
        //            jenis = selectedOptionItems[indexPath.row].value as! String
        //            let jenisLabel = selectedOptionItems[indexPath.row].label
        //            btnJenisOptions.setTitle(jenisLabel, for: .normal)
        //        }
        
        hideOptions()
    }
}