Identify hero results by seat

app/src/main/java/com/jsjdesigns/poker/HandSummary.kt

@@ -11,16 +11,19 @@ import com.jsjdesigns.poker.game.HandResult
  */
 data class HandSummary(
     val handNumber: Int,
-    val winnerNames: List<String>,
+    /** Display labels in the engine's winner order; the human seat is always "You". */
+    val winnerLabels: List<String>,
+    /** Derived from winner seat indices, never from a player-controlled name. */
+    val heroWon: Boolean,
     val potSize: Int,
     val heroNet: Int,
     val wentToShowdown: Boolean,
 ) {
     val title: String
         get() = when {
-            winnerNames.size == 1 && winnerNames.single() == "You" -> "You win"
+            winnerLabels.size == 1 && heroWon -> "You win"
-            winnerNames.size == 1 -> "${winnerNames.single()} wins"
+            winnerLabels.size == 1 -> "${winnerLabels.single()} wins"
-            else -> "${winnerNames.joinToString(" & ")} win"
+            else -> "${winnerLabels.joinToString(" & ")} win"
         }
 
     val detail: String
@@ -47,7 +50,10 @@ fun handSummaryFor(
 
     return HandSummary(
         handNumber = handNumber,
-        winnerNames = result.winners.map(seatNames::get),
+        winnerLabels = result.winners.map { winner ->
+            if (winner == heroSeat) "You" else seatNames[winner]
+        },
+        heroWon = heroSeat in result.winners,
         potSize = result.potSize,
         heroNet = result.net[heroSeat],
         wentToShowdown = result.wentToShowdown,

app/src/test/java/com/jsjdesigns/poker/HandSummaryTest.kt

@@ -43,7 +43,7 @@ class HandSummaryTest {
     }
 
     @Test
-    fun `hero win and uncontested pot are explicit`() {
+    fun `hero is identified by seat when the player uses a custom name`() {
         val summary = handSummaryFor(
             handNumber = 3,
             result = result(
@@ -52,15 +52,16 @@ class HandSummaryTest {
                 showdown = false,
                 pot = 6,
             ),
-            seatNames = listOf("You", "Ada", "Bruno"),
+            seatNames = listOf("Jay", "Ada", "Bruno"),
         )
 
         assertEquals("You win", summary.title)
+        assertTrue(summary.heroWon)
         assertEquals("Uncontested  •  Pot 6  •  You won 5", summary.detail)
     }
 
     @Test
-    fun `several side-pot winners are not described as one split pot`() {
+    fun `custom-named hero is labelled as you among several winners`() {
         val summary = handSummaryFor(
             handNumber = 9,
             result = result(
@@ -68,17 +69,25 @@ class HandSummaryTest {
                 winners = listOf(0, 1),
                 pot = 40,
             ),
-            seatNames = listOf("You", "Ada", "Bruno"),
+            seatNames = listOf("Jay", "Ada", "Bruno"),
         )
 
         assertEquals("You & Ada win", summary.title)
+        assertTrue(summary.heroWon)
         assertTrue(summary.detail.endsWith("You broke even"))
     }
 }
 
 class VisibleHandSummaryTest {
 
-    private val summary = HandSummary(4, listOf("Ada"), 20, -4, true)
+    private val summary = HandSummary(
+        handNumber = 4,
+        winnerLabels = listOf("Ada"),
+        heroWon = false,
+        potSize = 20,
+        heroNet = -4,
+        wentToShowdown = true,
+    )
 
     private fun snapshot(
         handNumber: Int = 4,