//
//  ProgrammaticScrollViewController.swift
//  MVMCoreUI
//
//  Created by Scott Pfeil on 3/12/20.
//  Copyright © 2020 Verizon Wireless. All rights reserved.
//

import Foundation

open class ProgrammaticScrollViewController: ScrollingViewController {
    public var topConstraint: NSLayoutConstraint?
    public var bottomConstraint: NSLayoutConstraint?
    
    public override init(with scrollView: UIScrollView) {
        super.init(with: scrollView)
    }
    
    public override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: Bundle?) {
        super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
    }
    
    required public init?(coder: NSCoder) {
        super.init(coder: coder)
    }

    open override func loadView() {
        
        let view = UIView()
        view.backgroundColor = .white
        
        let scrollView = UIScrollView()
        scrollView.backgroundColor = .clear
        scrollView.translatesAutoresizingMaskIntoConstraints = false
        view.addSubview(scrollView)
        
        // Sets the constraints for the scroll view
        let constraints = NSLayoutConstraint.constraintPinSubview(toSuperview: scrollView)
        topConstraint = constraints?[ConstraintTop] as? NSLayoutConstraint
        bottomConstraint = constraints?[ConstraintBot] as? NSLayoutConstraint

        let contentView = MVMCoreUICommonViewsUtility.commonView()
        scrollView.addSubview(contentView)
        
        // Sets the constraints for the content view
        NSLayoutConstraint.constraintPinSubview(toSuperview: contentView)
        
        // Super will set later.
        contentWidthConstraint = contentView.widthAnchor.constraint(equalToConstant: 320.0)
        contentWidthConstraint?.isActive = true
        
        self.contentView = contentView
        self.scrollView = scrollView
        self.view = view
    }
}