//
//  CustomizationViewController.swift
//  AvH Plan
//
//  Created by Deniz Duezgoeren on 19.07.19.
//  Copyright © 2019 Deniz Duezgoeren. All rights reserved.
//

import UIKit

class CustomizationViewController: UITableViewController, UITextFieldDelegate {

    let prefs = UserDefaults.standard
    let df = DataFetcher.sharedInstance
    var buttonTextChanged = false
    
    @IBOutlet weak var txtName: UITextField!
    @IBOutlet weak var txtClasses: UITextField!
    @IBOutlet weak var txtCourses: UITextField!
    @IBOutlet weak var defaultSwitch: UISwitch!
    @IBOutlet weak var textToolbar: UIToolbar!
    @IBOutlet weak var orderingSegments: UISegmentedControl!
    @IBOutlet weak var autoRefreshToggle: UISwitch!
    @IBOutlet weak var customizeCourseColorsButton: UIButton!
    
    @IBAction func textDismissButton(_ sender: UIBarButtonItem) {
        view.endEditing(true)
    }
    
    @IBAction func groupHelpButton(_ sender: UIButton) {
        self.present(self.df.getInfoAlert(for: "grade"), animated: true)
    }
    
    @IBAction func courseHelpButton(_ sender: UIButton) {
        self.present(self.df.getInfoAlert(for: "course"), animated: true)
    }
    
    @IBAction func orderHelpButton(_ sender: UIButton) {
        self.present(self.df.getInfoAlert(for: "order"), animated: true)
    }
    
    func textFieldDidBeginEditing(_ textField: UITextField) {
        textField.inputAccessoryView = textToolbar
    }
    
    @IBAction func done(_ sender: UIBarButtonItem) {
        self.prefs.set(self.txtName.text, forKey: "username")
        self.prefs.set(self.txtClasses.text, forKey: "classes")
        self.prefs.set(self.txtCourses.text, forKey: "courses")
        
        let defaultPlan = self.defaultSwitch.isOn ? 1 : 0
        self.prefs.set(defaultPlan, forKey: "default-plan")
        self.prefs.set(self.orderingSegments.selectedSegmentIndex == 1, forKey: "original_sorting")
        self.prefs.set(self.autoRefreshToggle.isOn, forKey: "auto_refresh")
        
        self.dismiss(animated: true, completion: nil)
    }
    
    @IBAction func customizeColoursButton(_ sender: UIButton) {
        if let s = storyboard?.instantiateViewController(withIdentifier: "CoursePickerViewController") as? CoursePickerViewController {
            self.present(s, animated: true)
        }
    }
    
    @IBAction func longPressListener(_ sender: UILongPressGestureRecognizer) {
        sender.minimumPressDuration = 2
        if sender.state == .ended {
            if !buttonTextChanged {
                self.customizeCourseColorsButton.setTitle(NSLocalizedString("made_by_deniz", comment: ""), for: .normal)
                buttonTextChanged = true
            } else {
                self.customizeCourseColorsButton.setTitle(NSLocalizedString("customize_course_colors", comment: ""), for: .normal)
                buttonTextChanged = false
            }
        }
    }
    
    @IBAction func infoLongPressListener(_ sender: UILongPressGestureRecognizer) {
        sender.minimumPressDuration = 2
        if sender.state == .ended {
            let youtubeId = "Jc2xfYuLWgE"
            if let youtubeURL = URL(string: "youtube://\(youtubeId)"),
                UIApplication.shared.canOpenURL(youtubeURL) {
                // redirect to app
                UIApplication.shared.open(youtubeURL, options: [:], completionHandler: nil)
            } else if let youtubeURL = URL(string: "https://www.youtube.com/watch?v=\(youtubeId)") {
                // redirect through safari
                UIApplication.shared.open(youtubeURL, options: [:], completionHandler: nil)
            }
        }
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        self.txtName.delegate = self
        self.txtClasses.delegate = self
        self.txtCourses.delegate = self
        
        self.txtName.text = prefs.string(forKey: "username")
        self.txtClasses.text = prefs.string(forKey: "classes")
        self.txtCourses.text = prefs.string(forKey: "courses")
        self.defaultSwitch.isOn = self.prefs.integer(forKey: "default-plan") == 1 ? true : false
        let order = self.prefs.bool(forKey: "original_sorting") ? 1 : 0
        self.orderingSegments.selectedSegmentIndex = order
        self.autoRefreshToggle.isOn = self.prefs.bool(forKey: "auto_refresh")
    }
}