#pragma once
#include <filesystem>
#include <string>
#include <vector>

namespace utils::bank
{
    struct report { std::string id, decision, body; };
    struct acknowledgement
    {
        bool valid = false;
        std::string state, code, id;
        // Fixed diagnostic vocabulary; never includes response text.
        std::string reason = "schema";
        int amount = 0, balance = 0;
    };
    acknowledgement parse_acknowledgement(const std::string& response);
    // One game-thread writer; cancel intent is replaced by commit before points move.
    class outbox
    {
    public:
        outbox(std::filesystem::path root, std::string server, std::string endpoint);
        std::vector<report> load() const;
        void store(const std::string& body) const;
        void erase(const std::string& id) const;
    private:
        std::filesystem::path file_;
        std::string server_, endpoint_;
        report decode(const std::string& body) const;
        void save(const std::vector<report>& reports) const;
    };
}