//
//  EQNDebugViewController.swift
//  Earthquake Network
//
//  Created by Andrea Busi on 26/02/21.
//  Copyright © 2021 Earthquake Network. All rights reserved.
//

import UIKit

class EQNDebugViewController: UIViewController {

    // MARK: - UI
    
    private lazy var debugTextView: UITextView = {
        let textView = UITextView()
        textView.translatesAutoresizingMaskIntoConstraints = false
        textView.font = UIFont.preferredFont(forTextStyle: .body)
        return textView
    }()
    
    // MARK: - Init
    
    init() {
        super.init(nibName: nil, bundle: nil)
        setupUI()
    }
    
    required init?(coder: NSCoder) {
        super.init(coder: coder)
        setupUI()
    }
    
    // MARK: - Private
    
    private func setupUI() {
        view.addSubview(debugTextView)
        
        debugTextView.topAnchor.constraint(equalTo: view.topAnchor).isActive = true
        debugTextView.bottomAnchor.constraint(equalTo: view.bottomAnchor).isActive = true
        debugTextView.leadingAnchor.constraint(equalTo: view.leadingAnchor).isActive = true
        debugTextView.trailingAnchor.constraint(equalTo: view.trailingAnchor).isActive = true
    }
    
    // MARK: - View Lifecycle
    
    override func viewDidLoad() {
        super.viewDidLoad()

        addBarButtons()
        loadDebugData()
    }
    
    private func addBarButtons() {
        navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .action, target: self, action: #selector(shareTapped(_:)))
        navigationItem.leftBarButtonItem = UIBarButtonItem(title: "Close", style: .plain, target: self, action: #selector(closeTapped(_:)))
    }
    
    private func loadDebugData() {
        let firebaseToken = UserDefaults.standard.string(forKey: UserDefaults.UserDataFirebaseToken) ??  ""
        let pushToken = UserDefaults.standard.string(forKey: UserDefaults.UserDataPushToken) ?? ""
        
        let text =
        """
        - Push token: \(pushToken)

        - Firebase token: \(firebaseToken)
        """
        
        debugTextView.text = text
    }
    
    // MARK: - Actions
    
    @objc private func shareTapped(_ sender: Any) {
        let text = debugTextView.text ?? ""
        
        let controller = UIActivityViewController(activityItems: [text], applicationActivities: [])
        present(controller, animated: true)
    }
    
    @objc private func closeTapped(_ sender: Any) {
        dismiss(animated: true)
    }
}