//
//  NewRegisterViewController.swift
//  GME Remit
//
//  Created by InKwon James Kim on 2019/12/02.
//Copyright © 2019 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit
import RxSwift
import RxCocoa

protocol NewRegisterDelegate: class {
    func newRegister(
        _ viewController: UIViewController,
        currentStep: NewRegisterViewController.Step,
        nextStep: NewRegisterViewController.Step)
}

class NewRegisterViewController: UIViewController {
    enum Step: Int {
        case first
        case upload
        case terms
        case finish
    }
    
    // MARK: Properties
    var presenter: NewRegisterPresenter!
    let moveStep = BehaviorSubject<Step>(value: .first)
    
    private let disposeBag = DisposeBag()
    
    private var stepButtons = [UIButton]()
    // MARK: Computed Properties
    
    // MARK: IBOutlets
    @IBOutlet private weak var step1Button: UIButton!
    @IBOutlet private weak var step2Button: UIButton!
    @IBOutlet private weak var step1TitleLabel: UILabel!
    @IBOutlet private weak var step2TitleLabel: UILabel!
    @IBOutlet weak var step3Button: UIButton!
    @IBOutlet weak var step3TitleLabel: UILabel!
    
    @IBOutlet private weak var step1ToStep2Line: UIView!
    
    @IBOutlet weak var containerView: UIView!
    
    // MARK: VC's Life cycle
    override func viewDidLoad() {
        super.viewDidLoad()
        setup()
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        
        title = "new_registration_title_text".localized()
        
        setupNormalNavigation()
        //navigationItem.setHidesBackButton(true, animated: true)
        
        if self.presentingViewController != nil {
            let closeButton = UIBarButtonItem(
                image: UIImage(named: "ic_back_button"),
                style: .plain,
                target: self,
                action: #selector(close)
            )
            
            navigationItem.leftBarButtonItem = closeButton
        } else {
            let closeButton = UIBarButtonItem(
                image: UIImage(named: "ic_back_button"),
                style: .plain,
                target: self,
                action: #selector(back)
            )
            
            navigationItem.leftBarButtonItem = closeButton
        }
        
        let supportButton = UIBarButtonItem(
            image: UIImage(named: "contact"),
            style: .plain,
            target: self,
            action: #selector(customerSupport)
        )
        navigationItem.rightBarButtonItem = supportButton
    }
    
    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        
        title = ""
    }
    
    @objc func customerSupport(_ sender: Any) {
        
        let actionArray = [ActionSheetElement(title: "Facebook", id: "https://www.facebook.com/", icon: "Facebook"), ActionSheetElement(title: "03-5475-3913", id: "tel://0354753913", icon: "contact")]
        ActionSheetHelper.shared.open(parentVc: self, title: "help_you_text".localized(), values: actionArray) { (element) in
                UIApplication.tryURL(url: element.id)
        }
    }
    
    // MARK: IBActions
    @IBAction func touchStepButtom(_ sender: UIButton) {
        guard let step = Step(rawValue: sender.tag) else {
            return
        }
        moveStep.onNext(step)
    }
}

// MARK: Other Functions
extension NewRegisterViewController {
    
    private func setup() {
        setUI()
        setBinding()
        setUIBinding()
    }
    
    private func setUI() {
        step1Button.rounded()
        step2Button.rounded()
        step3Button.rounded()
        
        containerView.layer.cornerRadius = 5
        
        stepButtons = [
            step1Button,
            step2Button,
            step3Button
        ]
        
        setMultilanguages()
    }
    
    private func setUIBinding() {
        moveStep.asDriverOnErrorJustComplete()
            .map {$0.rawValue}
            .drive(onNext: { [weak self] tag in
                DispatchQueue.main.async {
                    self?.stepButtons.enumerated().forEach { (index, button) in
                        if button.tag == tag || index <= tag {
                            button.backgroundColor = .themeBlue
                            button.setTitleColor(.white, for: .normal)
                            button.layer.borderWidth = 0
                            button.isEnabled = true
                            button.titleLabel?.font = .sanfrancisco(.medium, size: 12)
                        } else {
                            button.backgroundColor = .white
                            button.layer.borderColor = UIColor.lightGray.cgColor
                            button.layer.borderWidth = 1
                            button.setTitleColor(.black, for: .normal)
                            button.isEnabled = false
                            button.titleLabel?.font = .sanfrancisco(.regular, size: 12)
                        }
                    }
                }
            }).disposed(by: disposeBag)
    }
    
    private func setBinding() {
        let input = NewRegisterPresenter.Input(
            moveStep: moveStep.asDriverOnErrorJustComplete()
        )
        let output = presenter.transform(input: input)
        
        output.isError
            .drive(
                onNext: { self.alert(type: .error, message: $0.localizedDescription) }
        ).disposed(by: disposeBag)
        
        output.isProgress
            .drive(
                onNext: { $0 ? self.showProgressHud() : self.hideProgressHud() }
        ).disposed(by: disposeBag)
    }
    
    @objc private func close() {
        dismiss(animated: true, completion: nil)
    }
    @objc private func back() {
        self.navigationController?.popToRootViewController(animated: true)
    }
    func setMultilanguages() {
        step1TitleLabel.text = "step1_sub_title_text".localized()
        step2TitleLabel.text = "documents_text".localized()
        step3TitleLabel.text = "terms_and_condition_title_text1".localized()
    }
}