//
//  MoleculeCollectionViewCell.swift
//  MVMCoreUI
//
//  Created by Scott Pfeil on 7/2/19.
//  Copyright © 2019 Verizon Wireless. All rights reserved.
//

import UIKit

open class MoleculeCollectionViewCell: UICollectionViewCell, MVMCoreUIMoleculeViewProtocol, MoleculeListCellProtocol {
    open var molecule: (UIView & MVMCoreUIMoleculeViewProtocol)?
    
    public override init(frame: CGRect) {
        super.init(frame: .zero)
        setupView()
    }
    
    public required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        setupView()
    }
    
    public func setupView() {
    }
    
    public func setWithJSON(_ json: [AnyHashable : Any]?, delegateObject: MVMCoreUIDelegateObject?, additionalData: [AnyHashable : Any]?) {
        guard let json = json, let moleculeJSON = json.optionalDictionaryForKey(KeyMolecule) else {
            return
        }
        if molecule == nil {
            if let moleculeView = MVMCoreUIMoleculeMappingObject.shared()?.createMolecule(forJSON: moleculeJSON, delegateObject: delegateObject, constrainIfNeeded: true) {
                contentView.addSubview(moleculeView)
                let standardConstraints = (moleculeView as? MVMCoreUIViewConstrainingProtocol)?.useStandardConstraints?() ?? true
                NSLayoutConstraint.activate(Array(NSLayoutConstraint.pinView(toSuperview: moleculeView, useMargins: standardConstraints).values))
                if standardConstraints {
                    let constraint = contentView.heightAnchor.constraint(equalToConstant: 80)
                    constraint.priority = .defaultLow
                    constraint.isActive = true
                }
                molecule = moleculeView
            }
        } else {
            molecule?.setWithJSON(moleculeJSON, delegateObject: delegateObject, additionalData: additionalData)
        }
        if let castView = molecule as? MVMCoreUIViewConstrainingProtocol {
            let standardConstraints = castView.useStandardConstraints?() ?? true
            castView.shouldSetHorizontalMargins?(!standardConstraints)
            castView.shouldSetVerticalMargins?(!standardConstraints)
        }
        
        backgroundColor = molecule?.backgroundColor
    }
    
    public static func name(forReuse molecule: [AnyHashable: Any]?, delegateObject: MVMCoreUIDelegateObject?) -> String? {
        guard let molecule = molecule?.optionalDictionaryForKey(KeyMolecule) else {
            return nil
        }
        return MVMCoreUIMoleculeMappingObject.shared()?.getMoleculeClass(withJSON: molecule)?.name?(forReuse: molecule, delegateObject: delegateObject) ?? molecule.optionalStringForKey(KeyMoleculeName)
    }
    
    public func updateView(_ size: CGFloat) {
        
    }
}