//
//  SearchViewController.swift
//  Tusker
//
//  Created by Shadowfacts on 6/24/20.
//  Copyright © 2020 Shadowfacts. All rights reserved.
//

import UIKit

class SearchViewController: UIViewController {

    weak var mastodonController: MastodonController!
    
    var resultsController: SearchResultsViewController!
    var searchController: UISearchController!
    
    var searchControllerStatusOnAppearance: Bool? = nil
    
    init(mastodonController: MastodonController) {
        self.mastodonController = mastodonController
        
        super.init(nibName: nil, bundle: nil)
        
        title = NSLocalizedString("Search", comment: "search tab title")
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()

        view.backgroundColor = .systemBackground
        
        resultsController = SearchResultsViewController(mastodonController: mastodonController)
        resultsController.exploreNavigationController = self.navigationController
        searchController = UISearchController(searchResultsController: resultsController)
        searchController.obscuresBackgroundDuringPresentation = false
        searchController.searchBar.autocapitalizationType = .none
        searchController.searchBar.delegate = resultsController
        searchController.hidesNavigationBarDuringPresentation = false
        definesPresentationContext = true
        
        navigationItem.searchController = searchController
        navigationItem.hidesSearchBarWhenScrolling = false
    }
    
    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        
        // this is a workaround for the issue that setting isActive on a search controller that is not visible
        // does not cause it to automatically become active once it becomes visible
        // see FB7814561
        if let active = searchControllerStatusOnAppearance {
            searchController.isActive = active
            searchControllerStatusOnAppearance = nil
        }
    }

}