EconomyLedger.h

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#pragma once
#include "common/Export.h"
 
 
#include <string>
#include <map>
#include <unordered_map>
 
namespace eve::economy {
 
class EVENGINE_API_FOUNDATION EconomyLedger {
public:
    struct Snapshot {
        std::map<std::string, int> current;
        std::map<std::string, int> wasted;
        std::map<std::string, int> income;
        std::map<std::string, int> expense;
    };
    int credit(const std::string& type, int amount);
    bool debit(const std::string& type, int amount);
    bool canAfford(const std::string& type, int amount) const;
    int get(const std::string& type) const;
    int getCap(const std::string& type) const;
    int getWasted(const std::string& type) const;
    int getIncome(const std::string& type) const;
    int getExpense(const std::string& type) const;
 
    void swap(EconomyLedger& other) noexcept;
    [[nodiscard]] Snapshot snapshot() const;
    void restore(const Snapshot& snapshot);
 
private:
    std::unordered_map<std::string, int> current_;
    std::unordered_map<std::string, int> wasted_;
    std::unordered_map<std::string, int> income_;
    std::unordered_map<std::string, int> expense_;
};
 
}  // namespace eve::economy