//
//  ProfileViewController.swift
//  Evenz
//
//  Created by Дмитрий Дурицкий on 7/6/19.
//  Copyright © 2019 Evenz. All rights reserved.
//

import UIKit

class ProfileViewController: BaseViewController, UITableViewDelegate, UITableViewDataSource {

    @IBOutlet weak var imageView: UIImageView!
    @IBOutlet weak var tableView: UITableView!
    @IBOutlet weak var fullNameLabel: UILabel!

    @IBOutlet weak var suggestionsButton: UIButton!
    @IBOutlet weak var sugesstionsView: UIView!

    @IBOutlet weak var likedButton: UIButton!
    @IBOutlet weak var likedView: UIView!

    @IBOutlet weak var saveButton: UIButton!
    @IBOutlet weak var saveView: UIView!

    @IBOutlet weak var ticketsButton: UIButton!
    @IBOutlet weak var ticketsView: UIView!

    @IBOutlet weak var pastButton: UIButton!
    @IBOutlet weak var pastView: UIView!

    @IBOutlet weak var commingSoonView: UIView!
    @IBOutlet weak var imageOfCommingSoon: UIImageView!
    @IBOutlet weak var infoLabel: UILabel!

    var events = [Event]()
    var accountController = appDelegate().appScope.accountController
    var user = User()
    var dataSource = ProfileDataSource()
    let activityIndicator = UIActivityIndicatorView(activityIndicatorStyle: .whiteLarge)
    var refreshToken = false

    override func viewDidLoad() {
        super.viewDidLoad()


    }

    //MARK: Appearance methods

    private func configureUserNavigationBar() {
        let rightButton = UIBarButtonItem(title: "ACCOUNT", style: .plain, target: self, action: #selector(showUserProfile))
        let font = UIFont(name: BoldTextFont, size: 11.0)
        rightButton.setTitleTextAttributes([NSAttributedStringKey.font: font!], for: .normal)
        navigationItem.rightBarButtonItem = rightButton
    }

    @objc func showUserProfile() {
        let accountViewController = AccountViewController()
        accountViewController.accountController = appDelegate().appScope.accountController
        accountViewController.locationController = appDelegate().appScope.locationController
        accountViewController.screensController = appDelegate().appScope.screensController
        navigationController?.pushViewController(accountViewController, animated: true)
    }

    override func viewWillAppear(_ animated: Bool) {


        imageView.layer.cornerRadius = imageView.frame.width/2
        imageView.layer.shadowColor = UIColor.black.cgColor
        imageView.layer.shadowOpacity = 1
        imageView.layer.shadowOffset = .zero
        imageView.layer.shadowRadius = 10

        tableView.delegate = self
        tableView.dataSource = self
        tableView.separatorStyle = .none
        tableView.register(UINib(nibName: "SearchResultCell", bundle: nil), forCellReuseIdentifier: "SearchResultCell")
        configureUserNavigationBar()

        suggestionsButton.titleLabel?.font = UIFont.scaleFontAccordingToDeviceSize(font: (suggestionsButton.titleLabel?.font)!)
        likedButton.titleLabel?.font = UIFont.scaleFontAccordingToDeviceSize(font: (likedButton.titleLabel?.font)!)
        saveButton.titleLabel?.font = UIFont.scaleFontAccordingToDeviceSize(font: (saveButton.titleLabel?.font)!)
        ticketsButton.titleLabel?.font = UIFont.scaleFontAccordingToDeviceSize(font: (ticketsButton.titleLabel?.font)!)
        pastButton.titleLabel?.font = UIFont.scaleFontAccordingToDeviceSize(font: (pastButton.titleLabel?.font)!)
        fullNameLabel.font = UIFont.scaleFontAccordingToDeviceSize(font: (fullNameLabel.font)!)


        activityIndicator.color = ColorManager.appRedColor()
        tableView.addSubview(activityIndicator)
        activityIndicator.center = tableView.center

        setupTitleViewWithText(text: "My Events")

        user = accountController.loadUser()!
        fullNameLabel.text = "\(user.firstName!) \(user.secondName!)"
        imageView.setImage(with: URL(string: user.imageString!))

        if likedView.backgroundColor == .red {
            loadLikedEvents()
        } else if saveView.backgroundColor == .red {
            loadSavedEvents()
        }
    }

    func changeButtonColor(button: UIButton, selectedView: UIView) {
        suggestionsButton.setTitleColor(.black, for: .normal)
        likedButton.setTitleColor(.black, for: .normal)
        saveButton.setTitleColor(.black, for: .normal)
        ticketsButton.setTitleColor(.black, for: .normal)
        pastButton.setTitleColor(.black, for: .normal)

        sugesstionsView.backgroundColor = .white
        likedView.backgroundColor = .white
        saveView.backgroundColor = .white
        ticketsView.backgroundColor = .white
        pastView.backgroundColor = .white

        selectedView.backgroundColor = .red
        button.setTitleColor(.red, for: .normal)

    }

    func clearTable() {
        events.removeAll()
        tableView.reloadData()
    }

    //MARK: Actions

    @IBAction func suggestionsAction(_ sender: Any) {
        clearTable()
        changeButtonColor(button: suggestionsButton, selectedView: sugesstionsView)
        commingSoonView.alpha = 1
        emptyState()
    }

    @IBAction func likedAction(_ sender: Any) {
        commingSoonView.alpha = 0
        activityIndicator.startAnimating()
        clearTable()
        changeButtonColor(button: likedButton, selectedView: likedView)
        loadLikedEvents()
    }

    func loadLikedEvents() {
        let request = LoadLikedRequest(pages: 0)
        request.resumeWithCompletionClosure { response in
            if response.errorInToken != nil {
                response.refreshAccessToken(dictionary: response.responseDictionary!, complition: {
                    self.refreshToken = true
                    self.update()
                })
            } else {
                self.refreshToken = false
                self.events = response.events
                self.emptyState()
                self.tableView.reloadData()
                self.activityIndicator.stopAnimating()
            }
        }
    }

    func update() {
        if refreshToken {
            if likedView.backgroundColor == .red {
                loadLikedEvents()
            } else if saveView.backgroundColor == .red {
                loadSavedEvents()
            }
        }
    }

    func loadSavedEvents() {
        let request = LoadSavedRequest(pages: 0)
        request.resumeWithCompletionClosure { response in
            if response.errorInToken != nil {
                response.refreshAccessToken(dictionary: response.responseDictionary!, complition: {
                    self.refreshToken = true
                    self.update()
                })
            } else {
                self.refreshToken = false
                self.events = response.events
                self.emptyState()
                self.tableView.reloadData()
                self.activityIndicator.stopAnimating()
            }
        }
    }

    @IBAction func savedAction(_ sender: Any) {
        commingSoonView.alpha = 0
        activityIndicator.startAnimating()
        clearTable()
        changeButtonColor(button: saveButton, selectedView: saveView)
        loadSavedEvents()
    }

    @IBAction func ticketsAction(_ sender: Any) {
        clearTable()
        changeButtonColor(button: ticketsButton, selectedView: ticketsView)
        commingSoonView.alpha = 1
        emptyState()
    }

    @IBAction func pastsAction(_ sender: Any) {
        clearTable()
        changeButtonColor(button: pastButton, selectedView: pastView)
        commingSoonView.alpha = 1
        emptyState()
    }

    func emptyState() {
        if events.isEmpty {
            UIView.animate(withDuration: 0.4) {
                self.commingSoonView.alpha = 1
                self.imageOfCommingSoon.image = UIImage(named: "Empty State")
                if self.likedView.backgroundColor == .red {
                    self.infoLabel.text = "You have no liked events :( Like any event on event list you wish"
                } else if self.saveView.backgroundColor == .red {
                    self.infoLabel.text = "You have no saved events :( Save any event on event list you wish"
                } else {
                    self.imageOfCommingSoon.image = UIImage(named: "emptyState1")
                    self.infoLabel.text = "Comming soon..."
                }
            }
        } else {
            commingSoonView.alpha = 0
        }
    }

    //MARK: Delegates methods

    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        return CGFloat.scaleAccordingToDeviceSize(maximumSize: 60)
    }

    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        let event = events[indexPath.row]
        let mainStoryboard = UIStoryboard(name: "Details", bundle: nil)
        if let eventDetailsViewController = mainStoryboard.instantiateViewController(withIdentifier: "EventDetailsViewController") as? EventDetailsViewController {
            eventDetailsViewController.getEventDetails(id: event.id!)
            let transition = CATransition()
            transition.duration = 0.3
            transition.type = kCATransitionPush
            transition.subtype = kCATransitionFromRight
            transition.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
            view.window!.layer.add(transition, forKey: kCATransition)
            present(eventDetailsViewController, animated: false)
        }
    }

    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {

        return events.count
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "SearchResultCell", for: indexPath) as! SearchResultCell
        let event = events[indexPath.row]
        cell.mainTextLabel.text = event.title
        cell.subLabel.text = event.startDateString
        return cell
    }

}