Play cards, select game, player actions

Sources/App/Infos/PlayerInfo.swift

@@ -9,16 +9,26 @@ struct PlayerInfo: Codable, Equatable {
     /// The player is the next one to perform an action
     let active: Bool
 
+    let selectsGame: Bool
+    
     /// The cards in the hand of the player
     let cards: [CardInfo]
     
     /// The action the player can perform
     let actions: [String]
 
-    init(player: Player, isMasked: Bool) {
+    let playedCard: CardId?
+
+    /// The height of the player card on the table stack
+    let position: Int
+    
+    init(player: Player, isMasked: Bool, trickPosition: Int) {
         self.name = player.name
         self.connected = player.isConnected
         self.active = player.isNextActor
+        self.selectsGame = player.selectsGame
+        self.playedCard = player.playedCard?.id
+        self.position = trickPosition
         if isMasked {
             self.cards = []
             self.actions = []

Sources/App/Infos/TableInfo.swift

@@ -14,13 +14,23 @@ struct TableInfo: Codable {
     
     let playerRight: PlayerInfo?
 
+    let playableGames: [GameId]
+    
     init(_ table: Table, forPlayerAt playerIndex: Int) {
+        let player = table.player(at: playerIndex)!
         self.id = table.id
         self.name = table.name
-        self.player = table.player(at: playerIndex)!.info(masked: false)
-        self.playerLeft = table.player(leftOf: playerIndex)?.info(masked: true)
-        self.playerAcross = table.player(acrossOf: playerIndex)?.info(masked: true)
-        self.playerRight = table.player(rightOf: playerIndex)?.info(masked: true)
+        self.player = table.playerInfo(at: playerIndex, masked: false)!
+        self.playerLeft = table.playerInfo(leftOf: playerIndex, masked: true)
+        self.playerAcross = table.playerInfo(acrossOf: playerIndex, masked: true)
+        self.playerRight = table.playerInfo(rightOf: playerIndex, masked: true)
+
+        if table.phase == .selectGame, player.selectsGame {
+            let games = table.minimumPlayableGame?.availableGames ?? GameType.allCases
+            self.playableGames = games.filter(player.canPlay).map { $0.id }
+        } else {
+            self.playableGames = []
+        }
     }
 }
 

Sources/App/Management/Database.swift

@@ -106,6 +106,13 @@ final class Database {
         return tables.performAction(player: player, action: action)
     }
 
+    func select(game: GameType, playerToken: SessionToken) -> PlayerActionResult {
+        guard let player = players.registeredPlayerExists(withSessionToken: playerToken) else {
+            return .invalidToken
+        }
+        return tables.select(game: game, player: player)
+    }
+
     func play(card: Card, playerToken: SessionToken) -> PlayCardResult {
         guard let player = players.registeredPlayerExists(withSessionToken: playerToken) else {
             return .invalidToken

Sources/App/Management/TableManagement.swift

@@ -167,11 +167,20 @@ final class TableManagement: DiskWriter {
     
     func performAction(player: PlayerName, action: Player.Action) -> PlayerActionResult {
         guard let table = currentTable(for: player) else {
+            print("Player \(player) wants to \(action.path), but no table joined")
             return .noTableJoined
         }
         return table.perform(action: action, forPlayer: player)
     }
 
+    func select(game: GameType, player: PlayerName) -> PlayerActionResult {
+        guard let table = currentTable(for: player) else {
+            print("Player \(player) wants to play \(game.rawValue), but no table joined")
+            return .noTableJoined
+        }
+        return table.select(game: game, player: player)
+    }
+
     func play(card: Card, player: PlayerName) -> PlayCardResult {
         guard let table = currentTable(for: player) else {
             return .noTableJoined

Sources/App/Model/CardOrders/CardOrder.swift

@@ -26,7 +26,7 @@ extension CardOrder {
 
     static func highCardIndex(cards: [Card]) -> Int {
         let high: Card
-        if isTrump(cards[0]) {
+        if hasTrump(in: cards) {
             high = sort(cards).first!
         } else {
             let suit = cards.first!.suit
@@ -66,4 +66,8 @@ extension CardOrder {
     static func cards(with suit: Card.Suit, in cards: [Card]) -> [Card] {
         cards.filter { !isTrump($0) && $0.suit == suit }
     }
+
+    static func hasCardToCall(_ suit: Card.Suit, in cards: [Card]) -> Bool {
+        cards.contains { $0.symbol != .ass && $0.suit == suit && !isTrump($0) }
+    }
 }

Sources/App/Model/GameClass.swift

@@ -0,0 +1,61 @@
+import Foundation
+
+typealias GameId = String
+
+extension GameType {
+
+    var gameClass: GameClass {
+        switch self {
+        case .rufEichel, .rufBlatt, .rufSchelln, .hochzeit:
+            return .ruf
+        case .bettel:
+            return .bettel
+        case .wenz, .geier:
+            return .wenzGeier
+        case .soloEichel, .soloBlatt, .soloHerz, .soloSchelln:
+            return .solo
+        }
+    }
+
+    enum GameClass: Int {
+        case ruf = 1
+        case bettel = 2
+        case wenzGeier = 3
+        case solo = 4
+
+        var cost: Int {
+            switch self {
+            case .ruf: return 5
+            case .bettel: return 15
+            case .wenzGeier, .solo: return 20
+            }
+        }
+
+        mutating func increase() {
+            guard self != .solo else {
+                return
+            }
+            self = .init(rawValue: rawValue + 1)!
+        }
+
+        var availableGames: [GameType] {
+            switch self {
+            case .ruf:
+                return GameType.allCases
+            case .bettel:
+                return [.bettel, .wenz, .geier, .soloEichel, .soloBlatt, .soloHerz, .soloSchelln]
+            case .wenzGeier:
+                return [.wenz, .geier, .soloEichel, .soloBlatt, .soloHerz, .soloSchelln]
+            case .solo:
+                return [.soloEichel, .soloBlatt, .soloHerz, .soloSchelln]
+            }
+        }
+    }
+}
+
+extension GameType.GameClass: Comparable {
+
+    static func < (lhs: GameType.GameClass, rhs: GameType.GameClass) -> Bool {
+        lhs.rawValue < rhs.rawValue
+    }
+}

Sources/App/Model/GameType.swift

@@ -1,53 +1,18 @@
 import Foundation
 
-enum GameType: Codable {
+enum GameType: String, CaseIterable, Codable {
     
-    enum GameClass: Int {
-        case ruf = 1
-        case bettel = 2
-        case wenzGeier = 3
-        case solo = 4
-        
-        var cost: Int {
-            switch self {
-            case .ruf: return 5
-            case .bettel: return 15
-            case .wenzGeier, .solo: return 20
-            }
-        }
-
-        mutating func increase() {
-            guard self != .solo else {
-                return
-            }
-            self = .init(rawValue: rawValue + 1)!
-        }
-    }
-    
-    case rufEichel
-    case rufBlatt
-    case rufSchelln
-    case hochzeit
-    case bettel
-    case wenz
-    case geier
-    case soloEichel
-    case soloBlatt
-    case soloHerz
-    case soloSchelln
-    
-    var gameClass: GameClass {
-        switch self {
-        case .rufEichel, .rufBlatt, .rufSchelln, .hochzeit:
-            return .ruf
-        case .bettel:
-            return .bettel
-        case .wenz, .geier:
-            return .wenzGeier
-        case .soloEichel, .soloBlatt, .soloHerz, .soloSchelln:
-            return .solo
-        }
-    }
+    case rufEichel = "ruf-eichel"
+    case rufBlatt = "ruf-blatt"
+    case rufSchelln = "ruf-schelln"
+    case hochzeit = "hochzeit"
+    case bettel = "bettel"
+    case wenz = "wenz"
+    case geier = "geier"
+    case soloEichel = "solo-eichel"
+    case soloBlatt = "solo-blatt"
+    case soloHerz = "solo-herz"
+    case soloSchelln = "solo-schelln"
 
     var isCall: Bool {
         switch self {
@@ -84,6 +49,10 @@ enum GameType: Codable {
         gameClass.cost
     }
 
+    var id: GameId {
+        rawValue
+    }
+    
     var sortingType: CardOrder.Type {
         switch self {
         case .wenz:

Sources/App/Model/Player.swift

@@ -86,7 +86,9 @@ final class Player {
     func play(card: Card) {
         remove(card: card)
         playedCard = card
+        actions = actions.filter { $0 != .doubleDuringGame }
     }
+
     func connect(using socket: WebSocket) {
         _ = self.socket?.close()
         self.socket = socket
@@ -113,11 +115,15 @@ final class Player {
         actions.contains(action)
     }
     
-    func prepareForFirstGame(isFirstPlayer: Bool) {
+    func prepareForNewGame(isFirstPlayer: Bool) {
         playsFirstCard = isFirstPlayer
         isNextActor = isFirstPlayer
+        selectsGame = false
         startedCurrentTrick = isFirstPlayer
         actions = [.deal]
+        didDoubleAfterFourCards = nil
+        isStillBidding = true
+        isGameLeader = false
         handCards = []
         playedCard = nil
         wonTricks = []
@@ -152,6 +158,7 @@ final class Player {
 
     func offerWedding() {
         offersWedding = true
+        isStillBidding = false
         actions = []
     }
 
@@ -171,14 +178,8 @@ final class Player {
 
     func weddingOutbid() {
         isNextActor = false
-        guard isStillBidding else {
-            return
-        }
         actions = []
-        if offersWedding {
-            offersWedding = false
-            isStillBidding = false
-        }
+        offersWedding = false
     }
 
     func didPerformBid() {
@@ -221,8 +222,26 @@ final class Player {
         numberOfRaises += 1
     }
 
+    func canPlay(game: GameType) -> Bool {
+        guard let suit = game.calledSuit else {
+            if game == .hochzeit {
+                return canOfferWedding
+            }
+            return true
+        }
+        let sorter = game.sortingType
+        let cards = rawCards
+        guard sorter.hasCardToCall(suit, in: cards) else {
+            // Player needs at least one card of the called suit
+            return false
+        }
+        let ace = Card(suit, .ass)
+        return !cards.contains(ace)
+    }
+
     func mustSelectGame() {
         isNextActor = true
+        selectsGame = true
     }
 
     func replace(card: Card, with other: Card) {
@@ -237,11 +256,15 @@ final class Player {
         return removed
     }
 
-    func gameStarts() {
+    func start(game: GameType) {
         isNextActor = playsFirstCard
         startedCurrentTrick = playsFirstCard
+        selectsGame = false
         actions = [.doubleDuringGame]
         isGameLeader = false
+        if playsFirstCard {
+            setPlayableCardsForStarter(game: game)
+        }
     }
 
     func switchLeadership() {
@@ -254,6 +277,7 @@ final class Player {
     }
 
     func withdrawFromBidding() {
+        isNextActor = false
         isStillBidding = false
         actions = []
     }
@@ -263,6 +287,8 @@ final class Player {
         playedCard = nil
         if canDoubleInNextRound, !isGameLeader {
             actions = [.doubleDuringGame]
+        } else {
+            actions = []
         }
     }
 
@@ -390,8 +416,8 @@ final class Player {
         }
     }
     
-    func info(masked: Bool) -> PlayerInfo {
-        .init(player: self, isMasked: masked)
+    func info(masked: Bool, positionInTrick: Int) -> PlayerInfo {
+        .init(player: self, isMasked: masked, trickPosition: positionInTrick)
     }
 }
 
@@ -410,40 +436,6 @@ extension Player {
     }
 }
 
-extension Player {
-    
-    enum Action: String, Codable {
-        /// The player can request cards to be dealt
-        case deal = "deal"
-        
-        /// The player doubles on the initial four cards
-        case initialDoubleCost = "double"
-        
-        /// The player does not double on the initial four cards
-        case noDoubleCost = "skip"
-        
-        /// The player offers a wedding (one trump card)
-        case offerWedding = "wedding"
-        
-        /// The player can choose to accept the wedding
-        case acceptWedding = "accept"
-
-        /// The player matches or increases the game during auction
-        case increaseOrMatchGame = "bid"
-        
-        /// The player does not want to play
-        case withdrawFromAuction = "out"
-        
-        /// The player claims to win and doubles the game cost ("schießen")
-        case doubleDuringGame = "raise"
-
-        /// The url path for the client to call (e.g. /player/deal)
-        var path: String {
-            rawValue
-        }
-    }
-}
-
 extension Player: Equatable {
 
     static func == (lhs: Player, rhs: Player) -> Bool {

Sources/App/Model/PlayerAction.swift

@@ -0,0 +1,35 @@
+import Foundation
+
+extension Player {
+
+    enum Action: String, Codable {
+        /// The player can request cards to be dealt
+        case deal = "deal"
+
+        /// The player doubles on the initial four cards
+        case initialDoubleCost = "double"
+
+        /// The player does not double on the initial four cards
+        case noDoubleCost = "skip"
+
+        /// The player offers a wedding (one trump card)
+        case offerWedding = "wedding"
+
+        /// The player can choose to accept the wedding
+        case acceptWedding = "accept"
+
+        /// The player matches or increases the game during auction
+        case increaseOrMatchGame = "bid"
+
+        /// The player does not want to play
+        case withdrawFromAuction = "out"
+
+        /// The player claims to win and doubles the game cost ("schießen")
+        case doubleDuringGame = "raise"
+
+        /// The url path for the client to call (e.g. /player/deal)
+        var path: String {
+            rawValue
+        }
+    }
+}

Sources/App/Model/Table.swift

@@ -32,6 +32,11 @@ final class Table {
         !players.contains { $0.didDoubleAfterFourCards == nil }
     }
 
+    /// At least one double exists after all players acted on their first cards
+    var initialDoubleExists: Bool {
+        players.contains { $0.didDoubleAfterFourCards == true }
+    }
+
     var weddingOfferExists: Bool {
         players.contains { $0.offersWedding }
     }
@@ -106,16 +111,23 @@ final class Table {
         players.first { $0.name == player }
     }
 
-    func player(leftOf index: Int) -> Player? {
-        player(at: (index + 1) % 4)
+    func playerInfo(at index: Int, masked: Bool) -> PlayerInfo? {
+        let position = players.firstIndex { $0.startedCurrentTrick }!
+        let layer = (index - position + 4) % 4
+        //
+        return player(at: index)?.info(masked: masked, positionInTrick: layer)
     }
     
-    func player(acrossOf index: Int) -> Player? {
-        player(at: (index + 2) % 4)
+    func playerInfo(leftOf index: Int, masked: Bool) -> PlayerInfo? {
+        playerInfo(at: (index + 1) % 4, masked: masked)
     }
     
-    func player(rightOf index: Int) -> Player? {
-        player(at: (index + 3) % 4)
+    func playerInfo(acrossOf index: Int, masked: Bool) -> PlayerInfo? {
+        playerInfo(at: (index + 2) % 4, masked: masked)
+    }
+    
+    func playerInfo(rightOf index: Int, masked: Bool) -> PlayerInfo? {
+        playerInfo(at: (index + 3) % 4, masked: masked)
     }
     
     func player(at index: Int) -> Player? {
@@ -140,7 +152,7 @@ final class Table {
         let index = index(of: player)
         for i in 1..<4 {
             let player = players[(index + i) % 4]
-            guard player.isStillBidding else {
+            guard player.isStillBidding, !player.offersWedding else {
                 continue
             }
             return player
@@ -149,10 +161,14 @@ final class Table {
     }
     
     func remove(player: PlayerName) {
-        guard contains(player: player) else {
+        guard let index = players.firstIndex(where: { $0.name == player }) else {
             return
         }
-        players = players.filter { $0.name != player }
+        let removedPlayer = players[index]
+        if removedPlayer.playsFirstCard {
+            players[(index + 1) % players.count].playsFirstCard = true
+        }
+        players.remove(at: index)
         reset()
     }
     
@@ -183,7 +199,7 @@ final class Table {
         didDoubleInCurrentRound = false // Not relevant in this phase
         let index = players.firstIndex { $0.playsFirstCard } ?? 0
         for i in 0..<maximumPlayersPerTable {
-            players[i].prepareForFirstGame(isFirstPlayer: i == index)
+            players[i].prepareForNewGame(isFirstPlayer: i == index)
         }
     }
     
@@ -217,6 +233,7 @@ final class Table {
             player.isNextActor = false
         }
         updatePlayableCards()
+        sendUpdateToAllPlayers()
         return .success
     }
 
@@ -240,6 +257,7 @@ final class Table {
     func perform(action: Player.Action, forPlayer player: PlayerName) -> PlayerActionResult {
         let player = select(player: player)!
         guard player.canPerform(action) else {
+            print("Player \(player) wants to \(action.path), but only allowed: \(player.actions)")
             return .tableStateInvalid
         }
         defer { sendUpdateToAllPlayers() }
@@ -282,9 +300,13 @@ final class Table {
     
     func perform(double: Bool, forPlayer player: Player) -> PlayerActionResult {
         player.didDouble(double)
-        if allPlayersFinishedDoubling {
-            dealAdditionalCards()
+        guard allPlayersFinishedDoubling else {
+            return .success
         }
+        guard initialDoubleExists else {
+            return dealNextGame()
+        }
+        dealAdditionalCards()
         return .success
     }
     
@@ -295,20 +317,25 @@ final class Table {
         }
         players.forEach { $0.startAuction() }
         minimumPlayableGame = nil
+        phase = .bidding
     }
 
     private func performWeddingCall(forPlayer player: Player) -> PlayerActionResult {
         guard phase == .bidding else {
+            print("Invalid phase \(phase) for wedding call")
             return .tableStateInvalid
         }
         guard minimumPlayableGame == nil || minimumPlayableGame == .ruf else {
+            print("Invalid minimum game \(minimumPlayableGame!) for wedding call")
             return .tableStateInvalid
         }
         guard player.offersWedding else {
+            print("Player does not offer wedding")
             return .tableStateInvalid
         }
         guard !weddingOfferExists else {
             // Only one wedding allowed at the table
+            print("Already one wedding at table")
             return .tableStateInvalid
         }
         // Only allow wedding acceptance or outbidding
@@ -334,6 +361,8 @@ final class Table {
             minimumPlayableGame = .ruf
         } else {
             minimumPlayableGame!.increase()
+            // Remove wedding offers
+            players.forEach { $0.weddingOutbid() }
         }
         player.didPerformBid()
         // Find next player to place bid
@@ -408,7 +437,7 @@ final class Table {
 
         // Start the game
         gameType = .hochzeit
-        players.forEach { $0.gameStarts() }
+        players.forEach { $0.start(game: .hochzeit) }
         player.switchLeadership()
         offerer.switchLeadership()
         return .success
@@ -426,18 +455,22 @@ final class Table {
             selectGame(player: auctionWinner)
         case 0:
             // All players withdrawn, deal new cards
-            let first = firstPlayer
-            let newPlayer = self.nextBidder(after: first)
-            first.playsFirstCard = false
-            newPlayer.playsFirstCard = true
-            prepareTableForFirstGame()
-            return dealInitialCards()
+            return dealNextGame()
         default:
-            break
+            nextBidder(after: player).requiresBid()
         }
         return .success
     }
 
+    private func dealNextGame() -> PlayerActionResult {
+        let first = firstPlayer
+        let newPlayer = self.nextBidder(after: first)
+        first.playsFirstCard = false
+        newPlayer.playsFirstCard = true
+        prepareTableForFirstGame()
+        return dealInitialCards()
+    }
+
     private func selectGame(player: Player) {
         minimumPlayableGame = nil
         gameType = nil
@@ -446,11 +479,43 @@ final class Table {
         player.mustSelectGame()
     }
 
+    func select(game: GameType, player: PlayerName) -> PlayerActionResult {
+        let player = select(player: player)!
+        guard phase == .selectGame, player.selectsGame, game != .hochzeit else {
+            return .tableStateInvalid
+        }
+        guard minimumPlayableGame == nil || game.gameClass >= minimumPlayableGame! else {
+            return .tableStateInvalid
+        }
+        defer { sendUpdateToAllPlayers() }
+        guard let suit = game.calledSuit else {
+            phase = .playing
+            gameType = game
+            minimumPlayableGame = nil
+            players.forEach { $0.start(game: game) }
+            player.switchLeadership()
+            
+            return .success
+        }
+
+        guard player.canPlay(game: game) else {
+            return .tableStateInvalid
+        }
+        phase = .playing
+        gameType = game
+        minimumPlayableGame = nil
+        players.forEach { $0.start(game: game) }
+        player.switchLeadership()
+        // Find called player
+        let ace = Card(suit, .ass)
+        players.first { $0.rawCards.contains(ace) }!.switchLeadership()
+        return .success
+    }
+
     private func performDoubleDuringGame(forPlayer player: Player) -> PlayerActionResult {
-        guard phase == .playing,
-              !player.isGameLeader else {
-                  return .tableStateInvalid
-              }
+        guard phase == .playing, !player.isGameLeader else {
+            return .tableStateInvalid
+        }
         player.numberOfRaises += 1
         players.forEach { $0.switchLeadership() }
         return .success
@@ -460,6 +525,9 @@ final class Table {
         phase = .waitingForPlayers
         gameType = nil
         minimumPlayableGame = nil
+        for player in players {
+            player.prepareForNewGame(isFirstPlayer: player.playsFirstCard)
+        }
     }
 }
 

Sources/App/routes.swift

@@ -280,16 +280,27 @@ func routes(_ app: Application) throws {
     
     app.post("player", "action", ":action") { req -> String in
         guard let token = req.body.string,
-              let actionString = req.parameters.get("action"),
-              let action = Player.Action(rawValue: actionString) else {
+              let actionString = req.parameters.get("action") else {
                   throw Abort(.badRequest)
               }
-        switch database.performAction(playerToken: token, action: action) {
+        let result: PlayerActionResult
+        if let action = Player.Action(rawValue: actionString) {
+            result = database.performAction(playerToken: token, action: action)
+        } else if let game = GameType(rawValue: actionString) {
+            result = database.select(game: game, playerToken: token)
+        } else {
+            throw Abort(.badRequest)
+        }
+        switch result {
         case .success:
             return ""
         case .invalidToken:
             throw Abort(.unauthorized) // 401
-        default:
+        case .noTableJoined:
+            throw Abort(.preconditionFailed) // 412
+        case .tableNotFull:
+            throw Abort(.preconditionFailed) // 412
+        case .tableStateInvalid:
             throw Abort(.preconditionFailed) // 412
         }
     }