fix: roulette table box drawing characters

3 files changed, 45 insertions, 10 deletions

diff --git a/internal/casino/roulette.go b/internal/casino/roulette.go
index ed649e9..5784ac9 100644
--- a/internal/casino/roulette.go
+++ b/internal/casino/roulette.go
@@ -34,9 +34,31 @@ func rouletteRed(n int) bool {
 	return false
 }
 
+// normalizeRouletteSpot maps legacy bet names onto the labels shown on the
+// board. The old dozen/column spellings stay accepted so existing habits and
+// older help text keep working.
+func normalizeRouletteSpot(spot string) string {
+	switch spot {
+	case "dozen1":
+		return "1to12"
+	case "dozen2":
+		return "13to24"
+	case "dozen3":
+		return "25to36"
+	case "column1":
+		return "row1"
+	case "column2":
+		return "row2"
+	case "column3":
+		return "row3"
+	}
+	return spot
+}
+
 // Returns the covered pockets and total-return multiplier (stake included).
 // Zero never belongs to an outside bet.
 func rouletteBet(spot string, double bool) ([]string, int) {
+	spot = normalizeRouletteSpot(spot)
 	if spot == "00" {
 		if double {
 			return []string{spot}, 36
@@ -62,18 +84,18 @@ func rouletteBet(spot string, double bool) ([]string, int) {
 			hit = n <= 18
 		case "high":
 			hit = n >= 19
-		case "dozen1":
+		case "1to12":
 			hit = n <= 12
-		case "dozen2":
+		case "13to24":
 			hit = n >= 13 && n <= 24
-		case "dozen3":
+		case "25to36":
 			hit = n >= 25
-		case "column1":
-			hit = n%3 == 1
-		case "column2":
-			hit = n%3 == 2
-		case "column3":
+		case "row1":
 			hit = n%3 == 0
+		case "row2":
+			hit = n%3 == 2
+		case "row3":
+			hit = n%3 == 1
 		}
 		if hit {
 			pockets = append(pockets, strconv.Itoa(n))
@@ -162,6 +184,7 @@ func (t *rouletteTable) bet(name, spot string, amount int, w Wallet) []Event {
 	if spot == "" {
 		spot = p.lastSpot
 	}
+	spot = normalizeRouletteSpot(spot)
 	_, mult := rouletteBet(spot, t.Config.Roulette.DoubleZero)
 	if mult == 0 {
 		return []Event{t.private(name, "Unknown roulette target. Use table to see all available bets.")}
diff --git a/internal/casino/roulette_test.go b/internal/casino/roulette_test.go
index 3ef3814..a20b17c 100644
--- a/internal/casino/roulette_test.go
+++ b/internal/casino/roulette_test.go
@@ -32,7 +32,7 @@ func TestRouletteRulesAndWheels(t *testing.T) {
 		if seen["00"] != double {
 			t.Fatal("wrong double zero")
 		}
-		for _, spot := range strings.Fields("red black even odd low high dozen1 dozen2 dozen3 column1 column2 column3") {
+		for _, spot := range strings.Fields("red black even odd low high dozen1 dozen2 dozen3 column1 column2 column3 1to12 13to24 25to36 row1 row2 row3") {
 			pockets, mult := rouletteBet(spot, double)
 			if len(pockets)*mult != 36 {
 				t.Fatalf("%s coverage/payout %d/%d", spot, len(pockets), mult)
@@ -54,6 +54,18 @@ func TestRouletteRulesAndWheels(t *testing.T) {
 		}
 	}
 }
+func TestRouletteRowBetMapping(t *testing.T) {
+	// row1 is the top numbered line (3,6,...36) and row3 the bottom (1,4,...34).
+	row1, mult := rouletteBet("row1", false)
+	if mult != 3 || len(row1) != 12 || row1[0] != "3" || row1[len(row1)-1] != "36" {
+		t.Fatalf("row1 = %v (x%d), want 3..36", row1, mult)
+	}
+	row3, mult := rouletteBet("row3", false)
+	if mult != 3 || len(row3) != 12 || row3[0] != "1" || row3[len(row3)-1] != "34" {
+		t.Fatalf("row3 = %v (x%d), want 1..34", row3, mult)
+	}
+}
+
 func rouletteFixture() *rouletteTable {
 	return newRouletteTable(1, TableConfig{ID: "r", Game: GameRoulette, BettingTicks: 2, Roulette: RouletteConfig{SpinTicks: 2}}, rand.New(rand.NewSource(7)))
 }
diff --git a/internal/casino/table_ux.go b/internal/casino/table_ux.go
index cec766d..db700d6 100644
--- a/internal/casino/table_ux.go
+++ b/internal/casino/table_ux.go
@@ -13,7 +13,7 @@ func (c TableConfig) RulesText() string {
 	case GameBaccarat:
 		return c.BaccaratRulesText()
 	case GameRoulette:
-		return c.Label() + "\nStraight numbers pay 35:1; dozens/columns 2:1; other outside bets 1:1.\nZero pockets lose all outside bets. One wager per spin. Use help roulette."
+		return c.Label() + "\nStraight numbers pay 35:1; 1to12/13to24/25to36 and rows 2:1; other outside bets 1:1.\nZero pockets lose all outside bets. One wager per spin. Use help roulette."
 	default:
 		return c.Label()
 	}