#pragma once

#include <memory>
#include <vector>
#include <optional>
#include <cstdio>

class CppC4Group {
	struct Private;

	std::unique_ptr<Private> p;

public:
	struct Data {
		const void* data;
		size_t size;

		Data();
		Data(const void* const data, const size_t size);
	};

	struct EntryInfo {
		std::string fileName;
		int32_t modified;
		std::string author;
		size_t size;
		size_t totalSize;
		bool executable;
		bool directory;
		bool official;
	};

public:
	using ReadCallback = bool(*)(const void** const data, size_t* const size, void* const arg);

	enum TmpMemoryStrategy {
		Memory,
		File,
		Auto
	};

	enum MemoryManagement {
		Take,
		Copy,
		Reference
	};

	static void setTmpMemoryStrategy(const TmpMemoryStrategy strategy);

public:
	CppC4Group();
	~CppC4Group();

	void create();
	bool openExisting(const std::string& path);
	bool openFd(const int fd);
	bool openFilePointer(FILE* file);
	bool openMemory(const void* const data, const size_t size, const MemoryManagement management = Reference);
	bool openWithReadCallback(const ReadCallback callback, void* const callbackArg, const MemoryManagement management = Take);
	bool save(const std::string& path, const bool overwrite = false);

	bool extractAll(const std::string& path);
	bool extractSingle(const std::string& entryPath, const std::string& targetPath);

	std::optional<Data> getEntryData(const std::string& path);
	std::string getErrorMessage();
	int32_t getErrorCode();
	std::string getErrorMethod();
	std::string getErrorCauser();

	bool setMaker(const std::string& maker, const std::string& path = "", const bool recursive = false);
	bool setCreation(const int32_t creation, const std::string& path = "", const bool recursive = false);
	bool setOfficial(const bool official, const std::string& path = "", const bool recursive = false);
	bool setExecutable(const bool executable, const std::string& path);

	std::optional<EntryInfo> getEntryInfo(const std::string& path = "");
	std::optional<std::vector<EntryInfo>> getEntryInfos(const std::string& path = "");

	bool deleteEntry(const std::string& path, const bool recursive = false);
	bool renameEntry(const std::string& oldPath, const std::string& newPath);

	bool createDirectory(const std::string& path);

	bool createFile(const std::string& path);

	bool setEntryData(const std::string& path, const void* const data = nullptr, const size_t size = 0, const MemoryManagement management = Copy);
};