//
//  MoleculeStackView.swift
//  MVMCoreUI
//
//  Created by Scott Pfeil on 2/11/19.
//  Copyright © 2019 Verizon Wireless. All rights reserved.
//

import UIKit

open class MoleculeStackView: Stack<MoleculeStackModel> {
    override var stackModel: MoleculeStackModel? {
        get { return model as? MoleculeStackModel }
    }
    
    /// Convenience function, adds a molecule to a MoleculeStackItem to the MoleculeStack
    func setup(with views: [View], lastItem: Bool) {
        var models: [MoleculeStackItemModel] = []
        for view in views {
            guard let model = view.model else { return }
            let stackItemModel = MoleculeStackItemModel(with: model)
            let stackItem = MoleculeStackItem(andContain: view)
            stackItems.append(stackItem)
            models.append(stackItemModel)
        }
        if let stackModel = stackModel {
            stackModel.molecules = models
        } else {
            model = MoleculeStackModel(molecules: models)
        }
        restack()
    }

    // MARK: - Adding to stack
    /// Creates all of the stackItems for the stackItemModels
    override open func createStackItemsFromModel(_ model: MoleculeModelProtocol, _ delegateObject: MVMCoreUIDelegateObject?, _ additionalData: [AnyHashable : Any]?) {
        guard let stackItemModels = stackModel?.molecules else { return }
        for model in stackItemModels {
            if let stackItem = MVMCoreUIMoleculeMappingObject.shared()?.createMolecule(model, delegateObject) as? MoleculeStackItem {
                stackItems.append(stackItem)
            }
        }
    }
}