Move GameStateRepository

2025-03-17 20:18:13 +01:00
parent 1a96c68521
commit 8074881d57
17 changed files with 24 additions and 23 deletions
--- a/src/main/kotlin/eventDemo/business/event/projection/gameState/GameStateBuilder.kt
+++ b/src/main/kotlin/eventDemo/business/event/projection/gameState/GameStateBuilder.kt
@@ -0,0 +1,115 @@
+package eventDemo.business.event.projection.gameState
+
+import eventDemo.business.entity.Card
+import eventDemo.business.event.event.CardIsPlayedEvent
+import eventDemo.business.event.event.GameEvent
+import eventDemo.business.event.event.GameStartedEvent
+import eventDemo.business.event.event.NewPlayerEvent
+import eventDemo.business.event.event.PlayerActionEvent
+import eventDemo.business.event.event.PlayerChoseColorEvent
+import eventDemo.business.event.event.PlayerHavePassEvent
+import eventDemo.business.event.event.PlayerReadyEvent
+import eventDemo.business.event.event.PlayerWinEvent
+import io.github.oshai.kotlinlogging.KotlinLogging
+
+fun GameState.apply(event: GameEvent): GameState =
+  this.let { state ->
+    val logger = KotlinLogging.logger { }
+    if (event is PlayerActionEvent) {
+      if (state.currentPlayerTurn != event.player) {
+        logger.atError {
+          message = "Inconsistent player turn"
+          payload =
+            mapOf(
+              "CurrentPlayerTurn" to (state.currentPlayerTurn ?: "No currentPlayerTurn"),
+              "Player" to event.player,
+            )
+        }
+      }
+    }
+
+    when (event) {
+      is CardIsPlayedEvent -> {
+        val nextDirectionAfterPlay =
+          when (event.card) {
+            is Card.ReverseCard -> state.direction.revert()
+            else -> state.direction
+          }
+
+        val color =
+          when (event.card) {
+            is Card.ColorCard -> event.card.color
+            is Card.AllColorCard -> null
+          }
+
+        val currentPlayerAfterThePlay =
+          if (event.card is Card.AllColorCard) {
+            state.currentPlayerTurn
+          } else {
+            state.nextPlayer(nextDirectionAfterPlay)
+          }
+
+        state.copy(
+          currentPlayerTurn = currentPlayerAfterThePlay,
+          direction = nextDirectionAfterPlay,
+          colorOnCurrentStack = color,
+          lastCardPlayer = event.player,
+          deck = state.deck.putOneCardFromHand(event.player, event.card),
+        )
+      }
+
+      is NewPlayerEvent -> {
+        if (state.isStarted) {
+          logger.error { "The game is already started" }
+        }
+
+        state.copy(
+          players = state.players + event.player,
+        )
+      }
+
+      is PlayerReadyEvent -> {
+        if (state.isStarted) {
+          logger.error { "The game is already started" }
+        }
+        state.copy(
+          readyPlayers = state.readyPlayers + event.player,
+        )
+      }
+
+      is PlayerHavePassEvent -> {
+        if (event.takenCard != state.deck.stack.first()) {
+          logger.error { "taken card is not ot top of the stack: ${event.takenCard}" }
+        }
+        state.copy(
+          currentPlayerTurn = state.nextPlayerTurn,
+          deck = state.deck.takeOneCardFromStackTo(event.player),
+        )
+      }
+
+      is PlayerChoseColorEvent -> {
+        state.copy(
+          currentPlayerTurn = state.nextPlayerTurn,
+          colorOnCurrentStack = event.color,
+        )
+      }
+
+      is GameStartedEvent -> {
+        state.copy(
+          colorOnCurrentStack = (event.deck.discard.first() as? Card.ColorCard)?.color ?: state.colorOnCurrentStack,
+          lastCardPlayer = null,
+          currentPlayerTurn = event.firstPlayer,
+          deck = event.deck,
+          isStarted = true,
+        )
+      }
+
+      is PlayerWinEvent -> {
+        state.copy(
+          playerWins = state.playerWins + event.player,
+        )
+      }
+    }.copy(
+      lastEventVersion = event.version,
+    )
+  }