Add server-side support for PLAY_FREE_DISCARDED special ability

So far, there was no "turn" generated for the player who could play a
free card from the discarded pile.

1 files changed, 6 insertions, 0 deletions

diff --git a/sw-bot/src/main/kotlin/org/luxons/sevenwonders/bot/SevenWondersBot.kt b/sw-bot/src/main/kotlin/org/luxons/sevenwonders/bot/SevenWondersBot.kt
index c58eaea8..80bad9e4 100644
--- a/sw-bot/src/main/kotlin/org/luxons/sevenwonders/bot/SevenWondersBot.kt
+++ b/sw-bot/src/main/kotlin/org/luxons/sevenwonders/bot/SevenWondersBot.kt
@@ -59,6 +59,7 @@ class SevenWondersBot(
     private suspend fun SevenWondersSession.playTurn(turn: PlayerTurnInfo): Boolean {
         when (turn.action) {
             Action.PLAY, Action.PLAY_2, Action.PLAY_LAST -> prepareMove(createPlayCardMove(turn))
+            Action.PLAY_FREE_DISCARDED -> prepareMove(createPlayFreeDiscardedMove(turn))
             Action.PICK_NEIGHBOR_GUILD -> prepareMove(createPickGuildMove(turn))
             Action.SAY_READY -> sayReady()
             Action.WAIT -> Unit
@@ -84,5 +85,10 @@ private fun createPlayCardMove(turnInfo: PlayerTurnInfo): PlayerMove {
     }
 }
 
+private fun createPlayFreeDiscardedMove(turn: PlayerTurnInfo): PlayerMove {
+    val card = turn.discardedCards?.random() ?: error("No discarded card to play")
+    return PlayerMove(MoveType.PLAY_FREE_DISCARDED, card.name)
+}
+
 private fun createPickGuildMove(turnInfo: PlayerTurnInfo): PlayerMove =
     PlayerMove(MoveType.COPY_GUILD, turnInfo.neighbourGuildCards.random().name)