Add fish selling, buyer profiles, and player wallet

economy/fish_sale_result.gd

@@ -0,0 +1,45 @@
+class_name FishSaleResult
+extends RefCounted
+
+enum Status {
+	SUCCESS,
+	NOT_FOUND,
+	FAVORITED,
+	INVALID_VALUE,
+	INVALID_BUYER,
+	INVALID_OFFER,
+	TRANSACTION_FAILED,
+}
+
+var success: bool = false
+var status: Status = Status.TRANSACTION_FAILED
+var catch_id: StringName
+var fish_name: String = ""
+var buyer_id: StringName
+var buyer_display_name: String = ""
+var buyer_animal_name: String = ""
+var base_value: int = 0
+var payout: int = 0
+var sale_message: String = ""
+
+
+func is_success() -> bool:
+	return success and status == Status.SUCCESS
+
+
+func get_message() -> String:
+	match status:
+		Status.SUCCESS:
+			return sale_message
+		Status.NOT_FOUND:
+			return "Fish no longer exists."
+		Status.FAVORITED:
+			return "Favorited fish cannot be sold."
+		Status.INVALID_VALUE:
+			return "Invalid sale value."
+		Status.INVALID_BUYER:
+			return "Buyer is unavailable."
+		Status.INVALID_OFFER:
+			return "Invalid buyer offer."
+		_:
+			return "Transaction failed."