1 files changed, 33 insertions, 0 deletions
diff --git a/internal/admin/casino_validate.go b/internal/admin/casino_validate.go
new file mode 100644
index 0000000..5b6902c
--- /dev/null
+++ b/internal/admin/casino_validate.go
@@ -0,0 +1,33 @@
+package admin
+
+import (
+	"bytes"
+
+	"gopkg.in/yaml.v3"
+	"thehouseoficarus/internal/casino"
+)
+
+// Validate before any room/link writes. Only casino fields are decoded here;
+// the room editor's unrelated fields retain their existing representation.
+func validateRoomCasinoMap(m map[string]any) error {
+	fields := map[string]any{}
+	for _, key := range []string{"casino_tables", "casino_machines"} {
+		if value, ok := m[key]; ok {
+			fields[key] = value
+		}
+	}
+	data, err := yaml.Marshal(fields)
+	if err != nil {
+		return err
+	}
+	var cfg struct {
+		Tables   []casino.TableConfig   `yaml:"casino_tables"`
+		Machines []casino.MachineConfig `yaml:"casino_machines"`
+	}
+	decoder := yaml.NewDecoder(bytes.NewReader(data))
+	decoder.KnownFields(true)
+	if err := decoder.Decode(&cfg); err != nil {
+		return err
+	}
+	return casino.ValidateRoomConfigs(cfg.Tables, cfg.Machines)
+}