#pragma once
#include "dqn.h"

/*
////////////////////////////////////////////////////////////////////////////////////////////////////
//
//    $$$$$$\   $$$$$$\        $$\      $$\ $$$$$$\ $$\   $$\  $$$$$$\   $$$$$$\
//   $$  __$$\ $$  __$$\       $$ | $\  $$ |\_$$  _|$$$\  $$ |$$ ___$$\ $$  __$$\
//   $$ /  $$ |$$ /  \__|      $$ |$$$\ $$ |  $$ |  $$$$\ $$ |\_/   $$ |\__/  $$ |
//   $$ |  $$ |\$$$$$$\        $$ $$ $$\$$ |  $$ |  $$ $$\$$ |  $$$$$ /  $$$$$$  |
//   $$ |  $$ | \____$$\       $$$$  _$$$$ |  $$ |  $$ \$$$$ |  \___$$\ $$  ____/
//   $$ |  $$ |$$\   $$ |      $$$  / \$$$ |  $$ |  $$ |\$$$ |$$\   $$ |$$ |
//    $$$$$$  |\$$$$$$  |      $$  /   \$$ |$$$$$$\ $$ | \$$ |\$$$$$$  |$$$$$$$$\
//    \______/  \______/       \__/     \__|\______|\__|  \__| \______/ \________|
//
//   dqn_os_win32.h -- Windows only functions, and, implementation of the OS layer
//
////////////////////////////////////////////////////////////////////////////////////////////////////
*/

struct DN_WinError
{
    unsigned long code;
    DN_Str8 msg;
};

// NOTE: Windows Str8 <-> Str16 ///////////////////////////////////////////
struct DN_Win_FolderIteratorW
{
    void      *handle;
    DN_Str16  file_name;
    wchar_t    file_name_buf[512];
};

DN_API void         DN_Win_ThreadSetName      (DN_Str8 name);

// NOTE: [$WIND] DN_Win ///////////////////////////////////////////////////////////////////////////
DN_API DN_Str16    DN_Win_ErrorCodeToMsg16Alloc(uint32_t error_code);
DN_API DN_WinError DN_Win_ErrorCodeToMsg       (DN_Arena *arena, uint32_t error_code);
DN_API DN_WinError DN_Win_ErrorCodeToMsgAlloc  (uint32_t error_code);
DN_API DN_WinError DN_Win_LastError            (DN_Arena *arena);
DN_API DN_WinError DN_Win_LastErrorAlloc       ();
DN_API void        DN_Win_MakeProcessDPIAware  ();

// NOTE: Windows Str8 <-> Str16 ////////////////////////////////////////////////////////////////////
DN_API DN_Str16    DN_Win_Str8ToStr16        (DN_Arena *arena, DN_Str8 src);
DN_API int         DN_Win_Str8ToStr16Buffer  (DN_Str16 src, char *dest, int dest_size);
DN_API DN_Str8     DN_Win_Str16ToStr8        (DN_Arena *arena, DN_Str16 src);
DN_API int         DN_Win_Str16ToStr8Buffer  (DN_Str16 src, char *dest, int dest_size);
DN_API DN_Str8     DN_Win_Str16ToStr8Alloc   (DN_Str16 src);

// NOTE: Path navigation ///////////////////////////////////////////////////////////////////////////
DN_API DN_Str16    DN_Win_EXEPathW           (DN_Arena *arena);
DN_API DN_Str16    DN_Win_EXEDirW            (DN_Arena *arena);
DN_API DN_Str8     DN_Win_WorkingDir         (DN_Arena *arena, DN_Str8 suffix);
DN_API DN_Str16    DN_Win_WorkingDirW        (DN_Arena *arena, DN_Str16 suffix);
DN_API bool        DN_Win_DirWIterate        (DN_Str16 path, DN_Win_FolderIteratorW *it);