//
//  BaccaratTests.swift
//  BaccaratTests
//
//  Created by Matt Bruce on 12/16/25.
//

import Testing
@testable import Baccarat
import CasinoKit

struct BaccaratTests {

    @Test func example() async throws {
        // Write your test here and use APIs like `#expect(...)` to check expected conditions.
    }
    
    @Test func handValueCalculation() async throws {
        var hand = Hand()
        
        // Test empty hand
        #expect(hand.value == 0)
        
        // Test with a King (value 0) and an 8 (value 8)
        hand.addCard(Card(suit: .spades, rank: .king))
        hand.addCard(Card(suit: .hearts, rank: .eight))
        #expect(hand.value == 8)
        
        // Test with two cards that sum to more than 10
        hand.clear()
        hand.addCard(Card(suit: .spades, rank: .seven))
        hand.addCard(Card(suit: .hearts, rank: .five))
        #expect(hand.value == 2) // 7 + 5 = 12, 12 % 10 = 2
        
        // Test natural 9
        hand.clear()
        hand.addCard(Card(suit: .clubs, rank: .four))
        hand.addCard(Card(suit: .diamonds, rank: .five))
        #expect(hand.value == 9)
        #expect(hand.isNatural == true)
        
        // Test with three cards
        hand.clear()
        hand.addCard(Card(suit: .spades, rank: .four))
        hand.addCard(Card(suit: .hearts, rank: .three))
        hand.addCard(Card(suit: .clubs, rank: .two))
        #expect(hand.value == 9) // 4 + 3 + 2 = 9
        #expect(hand.isNatural == false) // Not a natural (3 cards)
    }
    
    @Test func engineHandValues() async throws {
        var engine = BaccaratEngine(deckCount: 1)
        
        // Deal initial cards
        _ = engine.dealInitialCards()
        
        // Verify both hands have cards
        #expect(engine.playerHand.cards.count == 2)
        #expect(engine.bankerHand.cards.count == 2)
        
        // Verify hand values are calculated (between 0 and 9)
        #expect(engine.playerHand.value >= 0)
        #expect(engine.playerHand.value <= 9)
        #expect(engine.bankerHand.value >= 0)
        #expect(engine.bankerHand.value <= 9)
    }
    
    @Test func gameStateHandValues() async throws {
        let state = GameState()
        
        // Initially should be 0
        #expect(state.playerHandValue == 0)
        #expect(state.bankerHandValue == 0)
        
        // Place a bet
        state.placeBet(type: .player, amount: 100)
        
        // Deal cards
        await state.deal()
        
        // After dealing, both hands should have values between 0-9
        #expect(state.playerHandValue >= 0)
        #expect(state.playerHandValue <= 9)
        #expect(state.bankerHandValue >= 0)
        #expect(state.bankerHandValue <= 9)
        
        // Verify visible cards match engine cards
        #expect(state.visiblePlayerCards.count >= 2)
        #expect(state.visibleBankerCards.count >= 2)
    }

}