cs193p-memorize/Memorize/EmojiMemoryGame.swift

//
//  EmojiMemoryGame.swift
//  Memorize
//
//  Created by ching on 2023/2/12.
//

import SwiftUI

// viewmodel
class EmojiMemoryGame: ObservableObject{
    static let emojis = ["🚌", "🚙", "🚗", "🚕", "🏎", "🚎", "🚓"]

    static func createMemoryGame() -> MemoryGame<String> {
        MemoryGame<String>(numberOfPairsOfCards: 5) { pairIndex in EmojiMemoryGame.emojis[pairIndex] }
    }

    @Published private var model: MemoryGame<String> = createMemoryGame()

    var cards: [MemoryGame<String>.Card] {
        return model.cards
    }

    // MARK: - Intent(s)

    func choose(_ card: MemoryGame<String>.Card) {
        model.choose(card)
    }
}