//
//  SubscriptionsActiveTableViewCell.swift
//  Earthquake Network
//
//  Created by Busi Andrea on 30/07/2020.
//  Copyright © 2020 Earthquake Network. All rights reserved.
//

import UIKit
import StoreKit


class SubscriptionsActiveTableViewCell: EQNBaseContainerTableViewCell {
    
    override var headerText: String { NSLocalizedString("inapp_active", comment: "") }
    
    var onTapRestore: () -> Void = { }
    
    // MARK: - UI
    
    private lazy var noSubscriptionsLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.textColor = AppTheme.shared.cardTextColor
        label.font = .preferredFont(forTextStyle: .body)
        label.textAlignment = .center
        label.numberOfLines = 0
        return label
    }()

    private lazy var activeSubscriptionImageView: UIImageView = {
        let imageView = UIImageView(frame: .zero)
        imageView.translatesAutoresizingMaskIntoConstraints = false
        imageView.contentMode = .scaleAspectFit
        return imageView
    }()
    
    private lazy var restoreButton: UIButton = {
        let button = UIButton(type: .system)
        button.translatesAutoresizingMaskIntoConstraints = false
        button.addTarget(self, action: #selector(restoreSubscriptionsTapped(_:)), for: .touchUpInside)
        button.titleLabel?.font = .preferredFont(forTextStyle: .headline)
        button.backgroundColor = .systemGroupedBackground
        button.eqn_applyShadowAndRoundedCorners()
        return button
    }()

    // MARK: - Internal
    
    override func setupUI() {
        super.setupUI()
        
        let stackView = UIStackView(arrangedSubviews: [ activeSubscriptionImageView, noSubscriptionsLabel, restoreButton ])
        stackView.translatesAutoresizingMaskIntoConstraints = false
        stackView.alignment = .center
        stackView.distribution = .equalSpacing
        stackView.axis = .vertical
        stackView.spacing = 20.0
        containerView.addSubview(stackView)
        
        activeSubscriptionImageView.widthAnchor.constraint(equalToConstant: 150.0).isActive = true
        activeSubscriptionImageView.heightAnchor.constraint(equalToConstant: 50.0).isActive = true
        restoreButton.heightAnchor.constraint(equalToConstant: 40.0).isActive = true
        restoreButton.leadingAnchor.constraint(equalTo: stackView.leadingAnchor).isActive = true
        restoreButton.trailingAnchor.constraint(equalTo: stackView.trailingAnchor).isActive = true
        
        stackView.topAnchor.constraint(equalTo: topView.bottomAnchor, constant: .cardVerticalSpacing).isActive = true
        stackView.leadingAnchor.constraint(equalTo: containerView.leadingAnchor, constant: .cardPadding).isActive = true
        stackView.trailingAnchor.constraint(equalTo: containerView.trailingAnchor, constant: .cardPadding.negative).isActive = true
        stackView.bottomAnchor.constraint(equalTo: containerView.bottomAnchor, constant: .cardVerticalSpacing.negative).isActive = true
    }
    
    override func updateUI() {
        super.updateUI()
        
        noSubscriptionsLabel.text = NSLocalizedString("inapp_nosub", comment: "")
        restoreButton.setTitle(NSLocalizedString("purchase_pro_restore", comment: ""), for: .normal)
    }
    
    // MARK: - Actions
    
    @objc private func restoreSubscriptionsTapped(_ sender: UIButton) {
        onTapRestore()
    }
    
    // MARK: - Public
    
    func update(with product: EQNInAppProducts?) {
        if let product {
            noSubscriptionsLabel.isHidden = true
            activeSubscriptionImageView.isHidden = false
            activeSubscriptionImageView.image = product.category.image
        } else {
            noSubscriptionsLabel.isHidden = false
            activeSubscriptionImageView.isHidden = true
        }
    }
}