/* Debug and Helper Functions
 *
 * Copyright (C) 2004 Rok Mandeljc
 * Copyright (C) 2004 Raphael Junqueira
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
#include <stdio.h>
#include <stdarg.h>
#include <string.h>

#define COBJMACROS

#include "windef.h"
#include "winbase.h"
#include "winnt.h"
#include "wingdi.h"
#include "winuser.h"

#include "wine/debug.h"
#include "wine/unicode.h"
#include "objbase.h"

#include "dmusici.h"
#include "dmusicf.h"
#include "dmusics.h"

#include "dmutils.h"

WINE_DEFAULT_DEBUG_CHANNEL(dmfile);

HRESULT IDirectMusicUtils_IPersistStream_ParseDescGeneric (DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm, LPDMUS_OBJECTDESC pDesc) {

  switch (pChunk->fccID) {
  case DMUS_FOURCC_GUID_CHUNK: {
    TRACE(": GUID chunk\n");
    pDesc->dwValidData |= DMUS_OBJ_OBJECT;
    IStream_Read (pStm, &pDesc->guidObject, pChunk->dwSize, NULL);
    break;
  }
  case DMUS_FOURCC_DATE_CHUNK: {
    TRACE(": file date chunk\n");
    pDesc->dwValidData |= DMUS_OBJ_DATE;
    IStream_Read (pStm, &pDesc->ftDate, pChunk->dwSize, NULL);
    break;
  }
  case DMUS_FOURCC_NAME_CHUNK: {
    TRACE(": name chunk\n");
    pDesc->dwValidData |= DMUS_OBJ_NAME;
    IStream_Read (pStm, pDesc->wszName, pChunk->dwSize, NULL);
    break;
  }
  case DMUS_FOURCC_FILE_CHUNK: {
    TRACE(": file name chunk\n");
    pDesc->dwValidData |= DMUS_OBJ_FILENAME;
    IStream_Read (pStm, pDesc->wszFileName, pChunk->dwSize, NULL);
    break;
  }
  case DMUS_FOURCC_VERSION_CHUNK: {
    TRACE(": version chunk\n");
    pDesc->dwValidData |= DMUS_OBJ_VERSION;
    IStream_Read (pStm, &pDesc->vVersion, pChunk->dwSize, NULL);
    break;
  }
  case DMUS_FOURCC_CATEGORY_CHUNK: {
    TRACE(": category chunk\n");
    pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
    IStream_Read (pStm, pDesc->wszCategory, pChunk->dwSize, NULL);
    break;
  }
  default:
    /* not handled */
    return S_FALSE;
  }

  return S_OK;
}

HRESULT IDirectMusicUtils_IPersistStream_ParseUNFOGeneric (DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm, LPDMUS_OBJECTDESC pDesc) {

  LARGE_INTEGER liMove; /* used when skipping chunks */

  /**
   * don't ask me why, but M$ puts INFO elements in UNFO list sometimes
   * (though strings seem to be valid unicode) 
   */
  switch (pChunk->fccID) {

  case mmioFOURCC('I','N','A','M'):
  case DMUS_FOURCC_UNAM_CHUNK: {
    TRACE(": name chunk\n");
    pDesc->dwValidData |= DMUS_OBJ_NAME;
    IStream_Read (pStm, pDesc->wszName, pChunk->dwSize, NULL);
    TRACE(" - wszName: %s\n", debugstr_w(pDesc->wszName));
    break;
  }

  case mmioFOURCC('I','A','R','T'):
  case DMUS_FOURCC_UART_CHUNK: {
    TRACE(": artist chunk (ignored)\n");
    liMove.QuadPart = pChunk->dwSize;
    IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
    break;
  }
  case mmioFOURCC('I','C','O','P'):
  case DMUS_FOURCC_UCOP_CHUNK: {
    TRACE(": copyright chunk (ignored)\n");
    liMove.QuadPart = pChunk->dwSize;
    IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
    break;
  }
  case mmioFOURCC('I','S','B','J'):
  case DMUS_FOURCC_USBJ_CHUNK: {
    TRACE(": subject chunk (ignored)\n");
    liMove.QuadPart = pChunk->dwSize;
    IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
    break;
  }
  case mmioFOURCC('I','C','M','T'):
  case DMUS_FOURCC_UCMT_CHUNK: {
    TRACE(": comment chunk (ignored)\n");
    liMove.QuadPart = pChunk->dwSize;
    IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
    break;
  }
  default:
    /* not handled */
    return S_FALSE;
  }

  return S_OK;
}

HRESULT IDirectMusicUtils_IPersistStream_ParseReference (LPPERSISTSTREAM iface, DMUS_PRIVATE_CHUNK* pChunk, IStream* pStm, IDirectMusicObject** ppObject) {
  DMUS_PRIVATE_CHUNK Chunk;
  DWORD ListSize[3], ListCount[3];
  LARGE_INTEGER liMove; /* used when skipping chunks */
  HRESULT hr;

  DMUS_IO_REFERENCE ref;
  DMUS_OBJECTDESC ref_desc;

  memset(&ref, 0, sizeof(ref));
  memset(&ref_desc, 0, sizeof(ref_desc));

  if (pChunk->fccID != DMUS_FOURCC_REF_LIST) {
    ERR(": %s chunk should be a REF list\n", debugstr_fourcc (pChunk->fccID));
    return E_FAIL;
  }

  ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
  ListCount[0] = 0;

  do {
    IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
    ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
    TRACE(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);

    hr = IDirectMusicUtils_IPersistStream_ParseDescGeneric(&Chunk, pStm, &ref_desc);
    if (FAILED(hr)) return hr;
    
    if (hr == S_FALSE) {
      switch (Chunk.fccID) { 
      case DMUS_FOURCC_REF_CHUNK: {
	TRACE(": Reference chunk\n");
	if (Chunk.dwSize != sizeof(DMUS_IO_REFERENCE)) return E_FAIL;
	IStream_Read (pStm, &ref, sizeof(DMUS_IO_REFERENCE), NULL);
	TRACE(" - guidClassID: %s\n", debugstr_dmguid(&ref.guidClassID));
	TRACE(" - dwValidData: %u\n", ref.dwValidData);
	break;
      } 
      default: {
	TRACE(": unknown chunk (irrelevant & skipping)\n");
	liMove.QuadPart = Chunk.dwSize;
	IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
	break;						
      }
      }
    }
    TRACE(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
  } while (ListCount[0] < ListSize[0]);

  ref_desc.dwValidData |= DMUS_OBJ_CLASS;
  ref_desc.guidClass = ref.guidClassID;

  TRACE("** DM Reference Begin of Load ***\n");
  TRACE("With Desc:\n");
  debugstr_DMUS_OBJECTDESC(&ref_desc);

  {
    LPDIRECTMUSICGETLOADER pGetLoader = NULL;
    LPDIRECTMUSICLOADER pLoader = NULL;

    IStream_QueryInterface (pStm, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader);
    IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
    IDirectMusicGetLoader_Release (pGetLoader);
  
    hr = IDirectMusicLoader_GetObject (pLoader, &ref_desc, &IID_IDirectMusicObject, (LPVOID*)ppObject);
    IDirectMusicLoader_Release (pLoader); /* release loader */
  }
  TRACE("** DM Reference End of Load ***\n");

  return hr;
}

/* FOURCC to string conversion for debug messages */
const char *debugstr_fourcc (DWORD fourcc) {
    if (!fourcc) return "'null'";
    return wine_dbg_sprintf ("\'%c%c%c%c\'",
		(char)(fourcc), (char)(fourcc >> 8),
        (char)(fourcc >> 16), (char)(fourcc >> 24));
}

/* DMUS_VERSION struct to string conversion for debug messages */
static const char *debugstr_dmversion (const DMUS_VERSION *version) {
	if (!version) return "'null'";
	return wine_dbg_sprintf ("\'%i,%i,%i,%i\'",
		HIWORD(version->dwVersionMS),LOWORD(version->dwVersionMS),
		HIWORD(version->dwVersionLS), LOWORD(version->dwVersionLS));
}

/* month number into month name (for debugstr_filetime) */
static const char *debugstr_month (DWORD dwMonth) {
	switch (dwMonth) {
		case 1: return "January";
		case 2: return "February";
		case 3: return "March";
		case 4: return "April";
		case 5: return "May";
		case 6: return "June";
		case 7: return "July";
		case 8: return "August";
		case 9: return "September";
		case 10: return "October";
		case 11: return "November";
		case 12: return "December";
		default: return "Invalid";
	}
}

/* FILETIME struct to string conversion for debug messages */
static const char *debugstr_filetime (const FILETIME *time) {
	SYSTEMTIME sysTime;

	if (!time) return "'null'";
	
	FileTimeToSystemTime (time, &sysTime);
	
	return wine_dbg_sprintf ("\'%02i. %s %04i %02i:%02i:%02i\'",
		sysTime.wDay, debugstr_month(sysTime.wMonth), sysTime.wYear,
		sysTime.wHour, sysTime.wMinute, sysTime.wSecond);
}

/* returns name of given GUID */
const char *debugstr_dmguid (const GUID *id) {
	static const guid_info guids[] = {
		/* CLSIDs */
		GE(CLSID_AudioVBScript),
		GE(CLSID_DirectMusic),
		GE(CLSID_DirectMusicAudioPathConfig),
		GE(CLSID_DirectMusicAuditionTrack),
		GE(CLSID_DirectMusicBand),
		GE(CLSID_DirectMusicBandTrack),
		GE(CLSID_DirectMusicChordMapTrack),
		GE(CLSID_DirectMusicChordMap),
		GE(CLSID_DirectMusicChordTrack),
		GE(CLSID_DirectMusicCollection),
		GE(CLSID_DirectMusicCommandTrack),
		GE(CLSID_DirectMusicComposer),
		GE(CLSID_DirectMusicContainer),
		GE(CLSID_DirectMusicGraph),
		GE(CLSID_DirectMusicLoader),
		GE(CLSID_DirectMusicLyricsTrack),
		GE(CLSID_DirectMusicMarkerTrack),
		GE(CLSID_DirectMusicMelodyFormulationTrack),
		GE(CLSID_DirectMusicMotifTrack),
		GE(CLSID_DirectMusicMuteTrack),
		GE(CLSID_DirectMusicParamControlTrack),
		GE(CLSID_DirectMusicPatternTrack),
		GE(CLSID_DirectMusicPerformance),
		GE(CLSID_DirectMusicScript),
		GE(CLSID_DirectMusicScriptAutoImpSegment),
		GE(CLSID_DirectMusicScriptAutoImpPerformance),
		GE(CLSID_DirectMusicScriptAutoImpSegmentState),
		GE(CLSID_DirectMusicScriptAutoImpAudioPathConfig),
		GE(CLSID_DirectMusicScriptAutoImpAudioPath),
		GE(CLSID_DirectMusicScriptAutoImpSong),
		GE(CLSID_DirectMusicScriptSourceCodeLoader),
		GE(CLSID_DirectMusicScriptTrack),
		GE(CLSID_DirectMusicSection),
		GE(CLSID_DirectMusicSegment),
		GE(CLSID_DirectMusicSegmentState),
		GE(CLSID_DirectMusicSegmentTriggerTrack),
		GE(CLSID_DirectMusicSegTriggerTrack),
		GE(CLSID_DirectMusicSeqTrack),
		GE(CLSID_DirectMusicSignPostTrack),
		GE(CLSID_DirectMusicSong),
		GE(CLSID_DirectMusicStyle),
		GE(CLSID_DirectMusicStyleTrack),
		GE(CLSID_DirectMusicSynth),
		GE(CLSID_DirectMusicSynthSink),
		GE(CLSID_DirectMusicSysExTrack),
		GE(CLSID_DirectMusicTemplate),
		GE(CLSID_DirectMusicTempoTrack),
		GE(CLSID_DirectMusicTimeSigTrack),
		GE(CLSID_DirectMusicWaveTrack),
		GE(CLSID_DirectSoundWave),
		/* IIDs */
		GE(IID_IDirectMusic),
		GE(IID_IDirectMusic2),
		GE(IID_IDirectMusic8),
		GE(IID_IDirectMusicAudioPath),
		GE(IID_IDirectMusicBand),
		GE(IID_IDirectMusicBuffer),
		GE(IID_IDirectMusicChordMap),
		GE(IID_IDirectMusicCollection),
		GE(IID_IDirectMusicComposer),
		GE(IID_IDirectMusicContainer),
		GE(IID_IDirectMusicDownload),
		GE(IID_IDirectMusicDownloadedInstrument),
		GE(IID_IDirectMusicGetLoader),
		GE(IID_IDirectMusicGraph),
		GE(IID_IDirectMusicInstrument),
		GE(IID_IDirectMusicLoader),
		GE(IID_IDirectMusicLoader8),
		GE(IID_IDirectMusicObject),
		GE(IID_IDirectMusicPatternTrack),
		GE(IID_IDirectMusicPerformance),
		GE(IID_IDirectMusicPerformance2),
		GE(IID_IDirectMusicPerformance8),
		GE(IID_IDirectMusicPort),
		GE(IID_IDirectMusicPortDownload),
		GE(IID_IDirectMusicScript),
		GE(IID_IDirectMusicSegment),
		GE(IID_IDirectMusicSegment2),
		GE(IID_IDirectMusicSegment8),
		GE(IID_IDirectMusicSegmentState),
		GE(IID_IDirectMusicSegmentState8),
		GE(IID_IDirectMusicStyle),
		GE(IID_IDirectMusicStyle8),
		GE(IID_IDirectMusicSynth),
		GE(IID_IDirectMusicSynth8),
		GE(IID_IDirectMusicSynthSink),
		GE(IID_IDirectMusicThru),
		GE(IID_IDirectMusicTool),
		GE(IID_IDirectMusicTool8),
		GE(IID_IDirectMusicTrack),
		GE(IID_IDirectMusicTrack8),
		GE(IID_IUnknown),
		GE(IID_IPersistStream),
		GE(IID_IStream),
		GE(IID_IClassFactory),
		/* GUIDs */
		GE(GUID_DirectMusicAllTypes),
		GE(GUID_NOTIFICATION_CHORD),
		GE(GUID_NOTIFICATION_COMMAND),
		GE(GUID_NOTIFICATION_MEASUREANDBEAT),
		GE(GUID_NOTIFICATION_PERFORMANCE),
		GE(GUID_NOTIFICATION_RECOMPOSE),
		GE(GUID_NOTIFICATION_SEGMENT),
		GE(GUID_BandParam),
		GE(GUID_ChordParam),
		GE(GUID_CommandParam),
		GE(GUID_CommandParam2),
		GE(GUID_CommandParamNext),
		GE(GUID_IDirectMusicBand),
		GE(GUID_IDirectMusicChordMap),
		GE(GUID_IDirectMusicStyle),
		GE(GUID_MuteParam),
		GE(GUID_Play_Marker),
		GE(GUID_RhythmParam),
		GE(GUID_TempoParam),
		GE(GUID_TimeSignature),
		GE(GUID_Valid_Start_Time),
		GE(GUID_Clear_All_Bands),
		GE(GUID_ConnectToDLSCollection),
		GE(GUID_Disable_Auto_Download),
		GE(GUID_DisableTempo),
		GE(GUID_DisableTimeSig),
		GE(GUID_Download),
		GE(GUID_DownloadToAudioPath),
		GE(GUID_Enable_Auto_Download),
		GE(GUID_EnableTempo),
		GE(GUID_EnableTimeSig),
		GE(GUID_IgnoreBankSelectForGM),
		GE(GUID_SeedVariations),
		GE(GUID_StandardMIDIFile),
		GE(GUID_Unload),
		GE(GUID_UnloadFromAudioPath),
		GE(GUID_Variations),
		GE(GUID_PerfMasterTempo),
		GE(GUID_PerfMasterVolume),
		GE(GUID_PerfMasterGrooveLevel),
		GE(GUID_PerfAutoDownload),
		GE(GUID_DefaultGMCollection),
		GE(GUID_Synth_Default),
		GE(GUID_Buffer_Reverb),
		GE(GUID_Buffer_EnvReverb),
		GE(GUID_Buffer_Stereo),
		GE(GUID_Buffer_3D_Dry),
		GE(GUID_Buffer_Mono),
		GE(GUID_DMUS_PROP_GM_Hardware),
		GE(GUID_DMUS_PROP_GS_Capable),
		GE(GUID_DMUS_PROP_GS_Hardware),
		GE(GUID_DMUS_PROP_DLS1),
		GE(GUID_DMUS_PROP_DLS2),
		GE(GUID_DMUS_PROP_Effects),
		GE(GUID_DMUS_PROP_INSTRUMENT2),
		GE(GUID_DMUS_PROP_LegacyCaps),
		GE(GUID_DMUS_PROP_MemorySize),
		GE(GUID_DMUS_PROP_SampleMemorySize),
		GE(GUID_DMUS_PROP_SamplePlaybackRate),
		GE(GUID_DMUS_PROP_SetSynthSink),
		GE(GUID_DMUS_PROP_SinkUsesDSound),
		GE(GUID_DMUS_PROP_SynthSink_DSOUND),
		GE(GUID_DMUS_PROP_SynthSink_WAVE),
		GE(GUID_DMUS_PROP_Volume),
		GE(GUID_DMUS_PROP_WavesReverb),
		GE(GUID_DMUS_PROP_WriteLatency),
		GE(GUID_DMUS_PROP_WritePeriod),
		GE(GUID_DMUS_PROP_XG_Capable),
		GE(GUID_DMUS_PROP_XG_Hardware)
	};

	unsigned int i;

	if (!id) return "(null)";
	for (i = 0; i < sizeof(guids)/sizeof(guids[0]); i++) {
		if (IsEqualGUID(id, guids[i].guid))
			return guids[i].name;
	}
	
	/* if we didn't find it, act like standard debugstr_guid */	
	return debugstr_guid(id);
}	

/* generic flag-dumping function */
static const char* debugstr_flags (DWORD flags, const flag_info* names, size_t num_names){
	static char buffer[128] = "", *ptr = &buffer[0];
	unsigned int i;
	int size = sizeof(buffer);

	for (i=0; i < num_names; i++) {
		if ((flags & names[i].val)) {
			int cnt = snprintf(ptr, size, "%s ", names[i].name);
			if (cnt < 0 || cnt >= size) break;
			size -= cnt;
			ptr += cnt;
		}
	}
	
	ptr = &buffer[0];
	return ptr;
}

/* dump DMUS_OBJ flags */
static const char *debugstr_DMUS_OBJ_FLAGS (DWORD flagmask) {
    static const flag_info flags[] = {
	    FE(DMUS_OBJ_OBJECT),
	    FE(DMUS_OBJ_CLASS),
	    FE(DMUS_OBJ_NAME),
	    FE(DMUS_OBJ_CATEGORY),
	    FE(DMUS_OBJ_FILENAME),
	    FE(DMUS_OBJ_FULLPATH),
	    FE(DMUS_OBJ_URL),
	    FE(DMUS_OBJ_VERSION),
	    FE(DMUS_OBJ_DATE),
	    FE(DMUS_OBJ_LOADED),
	    FE(DMUS_OBJ_MEMORY),
	    FE(DMUS_OBJ_STREAM)
	};
    return debugstr_flags (flagmask, flags, sizeof(flags)/sizeof(flags[0]));
}

const char *debugstr_DMUS_OBJECTDESC (LPDMUS_OBJECTDESC pDesc) {
	if (pDesc) {
		char buffer[1024], *ptr = buffer;
		
		ptr += sprintf(ptr, "DMUS_OBJECTDESC (%p):\n", pDesc);
		ptr += sprintf(ptr, " - dwSize = 0x%08X\n", pDesc->dwSize);
		ptr += sprintf(ptr, " - dwValidData = 0x%08X ( %s)\n", pDesc->dwValidData, debugstr_DMUS_OBJ_FLAGS (pDesc->dwValidData));
		if (pDesc->dwValidData & DMUS_OBJ_CLASS) ptr +=	sprintf(ptr, " - guidClass = %s\n", debugstr_dmguid(&pDesc->guidClass));
		if (pDesc->dwValidData & DMUS_OBJ_OBJECT) ptr += sprintf(ptr, " - guidObject = %s\n", debugstr_guid(&pDesc->guidObject));
		if (pDesc->dwValidData & DMUS_OBJ_DATE) ptr += sprintf(ptr, " - ftDate = %s\n", debugstr_filetime (&pDesc->ftDate));
		if (pDesc->dwValidData & DMUS_OBJ_VERSION) ptr += sprintf(ptr, " - vVersion = %s\n", debugstr_dmversion(&pDesc->vVersion));
		if (pDesc->dwValidData & DMUS_OBJ_NAME) ptr += sprintf(ptr, " - wszName = %s\n", debugstr_w(pDesc->wszName));
		if (pDesc->dwValidData & DMUS_OBJ_CATEGORY) ptr += sprintf(ptr, " - wszCategory = %s\n", debugstr_w(pDesc->wszCategory));
		if (pDesc->dwValidData & DMUS_OBJ_FILENAME) ptr += sprintf(ptr, " - wszFileName = %s\n", debugstr_w(pDesc->wszFileName));
		if (pDesc->dwValidData & DMUS_OBJ_MEMORY) ptr += sprintf(ptr, " - llMemLength = 0x%s\n  - pbMemData = %p\n",
		                                                     wine_dbgstr_longlong(pDesc->llMemLength), pDesc->pbMemData);
		if (pDesc->dwValidData & DMUS_OBJ_STREAM) ptr += sprintf(ptr, " - pStream = %p\n", pDesc->pStream);
		
		return wine_dbg_sprintf("%s", buffer);
	} else {
		return wine_dbg_sprintf("(NULL)");
	}
}