//
//  AccountOnboardingControllerTutorial.swift
//  Wallet
//
//  Created by Saveliy Stavitsky on 3/12/21.
//  Copyright © 2021 AM. All rights reserved.
//

import UIKit

class AccountOnboardingControllerTutorial: UIViewController {

    @IBOutlet var stepStackView: UIStackView!
    @IBOutlet var stepImageViewContainer: UIView!
    @IBOutlet var stepImage: UIImageView!
    @IBOutlet var textsStackViw: UIStackView!
    
    var step = 1 {
        didSet {
            textsStackViw.arrangedSubviews.forEach({ $0.isHidden = true })
            stepStackView.arrangedSubviews.forEach({ $0.backgroundColor = Asset.fog.color })
            stepStackView.arrangedSubviews[0..<step]
                .forEach({ $0.backgroundColor = Asset.deepWater.color })

            prevButton.alpha = step <= 1 ? 0 : 1

            switch step {
            case 1:
                stepImage.image = Asset.accountOnboardingTutorialStep1.image
                textsStackViw.arrangedSubviews[0].isHidden = false
                textsStackViw.arrangedSubviews[1].isHidden = false
                textsStackViw.arrangedSubviews[2].isHidden = false
            case 2:
                stepImage.image = Asset.accountOnboardingTutorialStep2.image
                textsStackViw.arrangedSubviews[1].isHidden = false
                textsStackViw.arrangedSubviews[3].isHidden = false
            case 3:
                stepImage.image = Asset.accountOnboardingTutorialStep3.image
                textsStackViw.arrangedSubviews[1].isHidden = false
                textsStackViw.arrangedSubviews[4].isHidden = false
            case 4:
                stepImage.image = Asset.accountOnboardingTutorialStep4.image
                textsStackViw.arrangedSubviews[5].isHidden = false
            default:
                break
            }
        }
    }

    @IBOutlet var prevButton: CommonButtonAction!
    @IBOutlet var skipButton: CommonButtonAction!
    @IBOutlet var nextButton: CommonButtonAction!

    override func viewDidLoad() {
        super.viewDidLoad()

        step = 1

        if let data = L10n.AccountOnboarding.Tutorial.textBase(L10n.AccountOnboarding.Tutorial.text2).data(using: .utf8),
           let attributedString = try? NSAttributedString(data: data,
                                                          options: [.documentType: NSAttributedString.DocumentType.html],
                                                          documentAttributes: nil) {
            // swiftlint:disable force_cast
            (textsStackViw.subviews[0] as! UILabel).attributedText = attributedString
        }
        if let data = L10n.AccountOnboarding.Tutorial.textBase(L10n.AccountOnboarding.Tutorial.text1).data(using: .utf8),
           let attributedString = try? NSAttributedString(data: data,
                                                          options: [.documentType: NSAttributedString.DocumentType.html],
                                                          documentAttributes: nil) {
            // swiftlint:disable force_cast
            (textsStackViw.subviews[1] as! UILabel).attributedText = attributedString
        }
        if let data = L10n.AccountOnboarding.Tutorial.textBase(L10n.AccountOnboarding.Tutorial.text3).data(using: .utf8),
           let attributedString = try? NSAttributedString(data: data,
                                                          options: [.documentType: NSAttributedString.DocumentType.html],
                                                          documentAttributes: nil) {
            // swiftlint:disable force_cast
            (textsStackViw.subviews[2] as! UILabel).attributedText = attributedString
        }
        if let data = L10n.AccountOnboarding.Tutorial.textBase(L10n.AccountOnboarding.Tutorial.text4).data(using: .utf8),
           let attributedString = try? NSAttributedString(data: data,
                                                          options: [.documentType: NSAttributedString.DocumentType.html],
                                                          documentAttributes: nil) {
            // swiftlint:disable force_cast
            (textsStackViw.subviews[3] as! UILabel).attributedText = attributedString
        }
        if let data = L10n.AccountOnboarding.Tutorial.textBase(L10n.AccountOnboarding.Tutorial.text5).data(using: .utf8),
           let attributedString = try? NSAttributedString(data: data,
                                                          options: [.documentType: NSAttributedString.DocumentType.html],
                                                          documentAttributes: nil) {
            // swiftlint:disable force_cast
            (textsStackViw.subviews[4] as! UILabel).attributedText = attributedString
        }
        // PAYCASH-NEW
        if let data = L10n.AccountOnboarding.Tutorial.textBase(L10n.AccountOnboarding.Tutorial.text6).data(using: .utf8),
           let attributedString = try? NSAttributedString(data: data,
                                                          options: [.documentType: NSAttributedString.DocumentType.html],
                                                          documentAttributes: nil) {
            (textsStackViw.subviews[5] as! UILabel).attributedText = attributedString
        }

        stepImageViewContainer
            .drawVerticalGradient(startColor: .white,
                                  endColor: UIColor.white.withAlphaComponent(0))
    }

    @IBAction func onPrev(_ sender: Any) {
        step -= 1
    }

    @IBAction func onSkip(_ sender: Any) {
        AccountOnboarding.Service.Common().finishedOnboarding = true
        self.dismiss(animated: true)
    }

    @IBAction func onNext(_ sender: Any) {
        if step >= 4 {
            AccountOnboarding.Service.Common().finishedOnboarding = true
            self.dismiss(animated: true)
        } else {
            step += 1
        }
    }

    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        // Get the new view controller using segue.destination.
        // Pass the selected object to the new view controller.
    }
    */

}