Create some subroutines and test

src/game/rule/operation/phase.go

@@ -0,0 +1,80 @@
+package operation
+
+import (
+	"local/sandbox/cards/src/entity"
+)
+
+func charge(game *entity.Game, charge interface{}) bool {
+	if game == nil {
+		return false
+	}
+	v := entity.Currency(convertNumber(charge))
+	game.ChargeActivePlayers(v)
+	game.NextPhase()
+	return true
+}
+
+func deal(game *entity.Game, deal interface{}) bool {
+	if game == nil {
+		return false
+	}
+	n := convertNumber(deal)
+	game.Deal(n)
+	game.NextPhase()
+	return true
+}
+
+func bet(game *entity.Game, _ interface{}) bool {
+	if game == nil {
+		return false
+	}
+	if len(game.ActivePlayers()) == 0 {
+		game.NextPhase()
+		game.NextTurn()
+		return true
+	}
+
+	player := &game.Players[game.Current.Turn]
+	raised := player.Active && player.Bet > game.Current.Bet
+	if raised {
+		game.Current.Bet = player.Bet
+		for i := range game.Players {
+			game.Players[i].Checked = false
+		}
+	}
+	player.Checked = player.Active && (player.Checked || player.Balance == 0 || player.Bet == game.Current.Bet)
+
+	if game.IsAllActivePlayersChecked() && game.IsPotRight() {
+		game.NextPhase()
+		game.NextTurn()
+		return true
+	}
+
+	if player.Checked {
+		game.NextTurn()
+	}
+
+	return false
+}
+
+func trade(game *entity.Game, max interface{}) bool {
+	if game == nil {
+		return false
+	}
+	panic("not impl")
+}
+
+func end(game *entity.Game, _ interface{}) bool {
+	if game == nil {
+		return false
+	}
+	panic("not impl")
+}
+
+func playerCount(game *entity.Game, v interface{}) bool {
+	if game == nil {
+		return false
+	}
+	v2 := convertNumber(charge)
+	return len(game.ActivePlayers()) == v2
+}