#ifndef NANDTITLE_H
#define NANDTITLE_H

#include <gccore.h>
#include <ogcsys.h>
#include <string.h>
#include <stdio.h>
#include <malloc.h>
#include <sys/stat.h>
#include <vector>
#include <map>

#include "wstring.hpp"
using namespace std;

#define TITLE_ID(x,y)	   (((u64)(x) << 32) | (y))
#define TITLE_UPPER(x)	  ((u32)((x) >> 32))
#define TITLE_LOWER(x)	  ((u32)(x))

#define TITLE_1(x)	  ((u8)((x) >> 8))
#define TITLE_2(x)	  ((u8)((x) >> 16))
#define TITLE_3(x)	  ((u8)((x) >> 24))
#define TITLE_4(x)	  ((u8)((x) >> 32))
#define TITLE_5(x)	  ((u8)((x) >> 40))
#define TITLE_6(x)	  ((u8)((x) >> 48))
#define TITLE_7(x)	  ((u8)((x) >> 56))

#define IMET_MAX_NAME_LEN 0x2a

#define IMET_OFFSET					 0x40
#define IMET_SIGNATURE		  0x494d4554
#define DOWNLOADED_CHANNELS	 0x00010001
#define SYSTEM_CHANNELS		 0x00010002
#define RF_NEWS_CHANNEL		 0x48414741
#define RF_FORECAST_CHANNEL	 0x48414641

typedef struct
{
		u8 zeroes1[0x40];
		u32 sig; // "IMET"
		u32 unk1;
		u32 unk2;
		u32 filesizes[3];
		u32 unk3;
		u16 name_japanese[IMET_MAX_NAME_LEN];
		u16 name_english[IMET_MAX_NAME_LEN];
		u16 name_german[IMET_MAX_NAME_LEN];
		u16 name_french[IMET_MAX_NAME_LEN];
		u16 name_spanish[IMET_MAX_NAME_LEN];
		u16 name_italian[IMET_MAX_NAME_LEN];
		u16 name_dutch[IMET_MAX_NAME_LEN];
		u16 name_simp_chinese[IMET_MAX_NAME_LEN];
		u16 name_trad_chinese[IMET_MAX_NAME_LEN];
		u16 name_korean[IMET_MAX_NAME_LEN];
		u8 zeroes2[0x24c];
		u8 md5[0x10];
} IMET;

class NandTitle
{
	public:
		NandTitle();
		~NandTitle();

		s32 Get();
		u64 At(u32 i);
		int IndexOf(u64 tid);
		u32 Count()
		{
			return titleIds.size();
		}

		const char* NameOf(u64 tid);
		const char* NameFromIndex(u32 i);

		u16 VersionOf(u64 tid);
		u16 VersionFromIndex(u32 i);

		u32 CountType(u32 type);

		u32 SetType(u32 upper);
		u64 Next();
		void ResetCounter();

		void AsciiTID(u64 tid, char* out);
		void AsciiFromIndex(u32 i, char* out);

		bool Exists(u64 tid);
		bool ExistsFromIndex(u32 i);

		u64 FindU64(const char *s);
		u64 FindU32(const char *s);

		s32 GetTicketViews(u64 tid, tikview **outbuf, u32 *outlen);

		u64 operator[](u32 i) { return At(i); }

		bool GetName(u64 tid, int language, wchar_t* name);
		
		tmd* GetTMD(u64 tid);

		static int LoadFileFromNand(const char *filepath, u8 **outbuffer, u32 *outfilesize);
		static int ExtractFile(const char *nandPath, const char *filepath);
		static int ExtractDir(const char *wiipath, const char *filepath);
	private:
		static int InternalExtractDir(char *nandPath, std::string &filepath);

		std::vector<u64> titleIds;
		std::map<u64, string> NameList;

		u32 currentIndex;
		u32 currentType;
};

extern NandTitle NandTitles;

#endif // NANDTITLE_H