EconomySystem.h

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#pragma once
#include "common/Export.h"
 
 
#include "economy/EconomyLedger.h"
 
#include <functional>
#include <string>
#include <unordered_map>
#include <vector>
 
namespace eve::economy {
 
struct EconomyEvent {
    int         player = 0;
    std::string type;
    std::string action;  // "credit" | "debit" | "waste"
    int         amount = 0;
};
 
using EconomyHook = std::function<void(const EconomyEvent&)>;
 
class EVENGINE_API_FOUNDATION EconomySystem {
public:
    static void clear();
 
    static int credit(int player, const std::string& type, int amount);
    static bool debit(int player, const std::string& type, int amount);
 
    static int get(int player, const std::string& type);
    static int getCap(int player, const std::string& type);
    static int getWasted(int player, const std::string& type);
    static int getIncome(int player, const std::string& type);
    static int getExpense(int player, const std::string& type);
 
    [[nodiscard]] static EconomyLedger::Snapshot snapshot(int player);
 
    static void registerHook(const std::string& name, EconomyHook fn);
    static void unregisterHook(const std::string& name);
 
    static void clearEvents();
    static int eventCount();
    static const EconomyEvent& eventAt(int index);
 
private:
    static EconomyLedger& ledger(int player);
    static void emit(const EconomyEvent& ev);
 
    static std::unordered_map<int, EconomyLedger>&         ledgers();
    static std::vector<EconomyEvent>&                      events();
    static std::unordered_map<std::string, EconomyHook>&   hooks();
};
 
}  // namespace eve::economy