// AgentOut.cpp

#include "StdAfx.h"

#include "../../../Windows/FileDir.h"
#include "../../../Windows/FileName.h"
#include "../../../Windows/TimeUtils.h"

#include "../../Compress/CopyCoder.h"

#include "../../Common/FileStreams.h"

#include "Agent.h"
#include "UpdateCallbackAgent.h"

using namespace NWindows;
using namespace NCOM;

STDMETHODIMP CAgent::SetFolder(IFolderFolder *folder)
{
  _archiveNamePrefix.Empty();
  if (folder == NULL)
  {
    _agentFolder = NULL;
    return S_OK;
  }

  {
    CMyComPtr<IFolderFolder> archiveFolder = folder;
    CMyComPtr<IArchiveFolderInternal> archiveFolderInternal;
    RINOK(archiveFolder.QueryInterface(IID_IArchiveFolderInternal, &archiveFolderInternal));
    RINOK(archiveFolderInternal->GetAgentFolder(&_agentFolder));
  }

  if (_proxyArchive2)
    _archiveNamePrefix = _proxyArchive2->GetFullPathPrefix(_agentFolder->_proxyFolderItem);
  else
    _archiveNamePrefix = _proxyArchive->GetFullPathPrefix(_agentFolder->_proxyFolderItem);
  return S_OK;
}

STDMETHODIMP CAgent::SetFiles(const wchar_t *folderPrefix,
    const wchar_t **names, UInt32 numNames)
{
  _folderPrefix = us2fs(folderPrefix);
  _names.ClearAndReserve(numNames);
  for (UInt32 i = 0; i < numNames; i++)
    _names.AddInReserved(us2fs(names[i]));
  return S_OK;
}

static HRESULT EnumerateArchiveItems(CAgent *agent,
    const CProxyFolder &item,
    const UString &prefix,
    CObjectVector<CArcItem> &arcItems)
{
  unsigned i;
  for (i = 0; i < item.Files.Size(); i++)
  {
    const CProxyFile &fileItem = item.Files[i];
    CArcItem ai;
    RINOK(agent->GetArc().GetItemMTime(fileItem.Index, ai.MTime, ai.MTimeDefined));
    RINOK(agent->GetArc().GetItemSize(fileItem.Index, ai.Size, ai.SizeDefined));
    ai.IsDir = false;
    ai.Name = prefix + fileItem.Name;
    ai.Censored = true; // test it
    ai.IndexInServer = fileItem.Index;
    arcItems.Add(ai);
  }
  for (i = 0; i < item.Folders.Size(); i++)
  {
    const CProxyFolder &dirItem = agent->_proxyArchive->Folders[item.Folders[i]];
    UString fullName = prefix + dirItem.Name;
    if (dirItem.IsLeaf)
    {
      CArcItem ai;
      RINOK(agent->GetArc().GetItemMTime(dirItem.Index, ai.MTime, ai.MTimeDefined));
      ai.IsDir = true;
      ai.SizeDefined = false;
      ai.Name = fullName;
      ai.Censored = true; // test it
      ai.IndexInServer = dirItem.Index;
      arcItems.Add(ai);
    }
    RINOK(EnumerateArchiveItems(agent, dirItem, fullName + UString(WCHAR_PATH_SEPARATOR), arcItems));
  }
  return S_OK;
}

static HRESULT EnumerateArchiveItems2(const CAgent *agent,
    const CProxyArchive2 *proxyArchive2,
    unsigned folderIndex,
    const UString &prefix,
    CObjectVector<CArcItem> &arcItems)
{
  const CProxyFolder2 &folder = proxyArchive2->Folders[folderIndex];
  FOR_VECTOR (i, folder.SubFiles)
  {
    unsigned arcIndex = folder.SubFiles[i];
    const CProxyFile2 &file = proxyArchive2->Files[arcIndex];
    CArcItem ai;
    ai.IndexInServer = arcIndex;
    ai.Name = prefix + file.Name;
    ai.Censored = true; // test it
    RINOK(agent->GetArc().GetItemMTime(arcIndex, ai.MTime, ai.MTimeDefined));
    ai.IsDir = file.IsDir();
    ai.SizeDefined = false;
    if (!ai.IsDir)
    {
      RINOK(agent->GetArc().GetItemSize(arcIndex, ai.Size, ai.SizeDefined));
      ai.IsDir = false;
    }
    arcItems.Add(ai);
    if (ai.IsDir)
    {
      RINOK(EnumerateArchiveItems2(agent, proxyArchive2, file.FolderIndex, ai.Name + UString(WCHAR_PATH_SEPARATOR), arcItems));
    }
  }
  return S_OK;
}

struct CAgUpCallbackImp: public IUpdateProduceCallback
{
  const CObjectVector<CArcItem> *_arcItems;
  IFolderArchiveUpdateCallback *_callback;
  
  CAgUpCallbackImp(const CObjectVector<CArcItem> *a,
      IFolderArchiveUpdateCallback *callback): _arcItems(a), _callback(callback) {}
  HRESULT ShowDeleteFile(int arcIndex);
};

HRESULT CAgUpCallbackImp::ShowDeleteFile(int arcIndex)
{
  return _callback->DeleteOperation((*_arcItems)[arcIndex].Name);
}


static void SetInArchiveInterfaces(CAgent *agent, CArchiveUpdateCallback *upd)
{
  if (agent->_archiveLink.Arcs.IsEmpty())
    return;
  const CArc &arc = agent->GetArc();
  upd->Archive = arc.Archive;
  upd->GetRawProps = arc.GetRawProps;
  upd->GetRootProps = arc.GetRootProps;
}

STDMETHODIMP CAgent::DoOperation(
    FStringVector *requestedPaths,
    FStringVector *processedPaths,
    CCodecs *codecs,
    int formatIndex,
    ISequentialOutStream *outArchiveStream,
    const Byte *stateActions,
    const wchar_t *sfxModule,
    IFolderArchiveUpdateCallback *updateCallback100)
{
  if (!CanUpdate())
    return E_NOTIMPL;
  NUpdateArchive::CActionSet actionSet;
  unsigned i;
  for (i = 0; i < NUpdateArchive::NPairState::kNumValues; i++)
    actionSet.StateActions[i] = (NUpdateArchive::NPairAction::EEnum)stateActions[i];

  CDirItems dirItems;

  {
    FString folderPrefix = _folderPrefix;
    NFile::NName::NormalizeDirPathPrefix(folderPrefix);
    dirItems.EnumerateItems2(folderPrefix, _archiveNamePrefix, _names, requestedPaths);
    if (dirItems.ErrorCodes.Size() > 0)
      return dirItems.ErrorCodes.Front();
  }

  CMyComPtr<IOutArchive> outArchive;
  if (GetArchive())
  {
    RINOK(GetArchive()->QueryInterface(IID_IOutArchive, (void **)&outArchive));
  }
  else
  {
    if (formatIndex < 0)
      return E_FAIL;
    RINOK(codecs->CreateOutArchive(formatIndex, outArchive));
    #ifdef EXTERNAL_CODECS
    {
      CMyComPtr<ISetCompressCodecsInfo> setCompressCodecsInfo;
      outArchive.QueryInterface(IID_ISetCompressCodecsInfo, (void **)&setCompressCodecsInfo);
      if (setCompressCodecsInfo)
      {
        RINOK(setCompressCodecsInfo->SetCompressCodecsInfo(codecs));
      }
    }
    #endif

  }

  NFileTimeType::EEnum fileTimeType;
  UInt32 value;
  RINOK(outArchive->GetFileTimeType(&value));

  switch(value)
  {
    case NFileTimeType::kWindows:
    case NFileTimeType::kDOS:
    case NFileTimeType::kUnix:
      fileTimeType = NFileTimeType::EEnum(value);
      break;
    default:
      return E_FAIL;
  }


  CObjectVector<CArcItem> arcItems;
  if (GetArchive())
  {
    RINOK(ReadItems());
    if (_proxyArchive2)
    {
      RINOK(EnumerateArchiveItems2(this, _proxyArchive2, 0, L"", arcItems));
    }
    else
    {
      RINOK(EnumerateArchiveItems(this, _proxyArchive->Folders[0], L"", arcItems));
    }
  }

  CRecordVector<CUpdatePair2> updatePairs2;

  {
    CRecordVector<CUpdatePair> updatePairs;
    GetUpdatePairInfoList(dirItems, arcItems, fileTimeType, updatePairs);
    CAgUpCallbackImp upCallback(&arcItems, updateCallback100);
    UpdateProduce(updatePairs, actionSet, updatePairs2, &upCallback);
  }

  UInt32 numFiles = 0;
  for (i = 0; i < updatePairs2.Size(); i++)
    if (updatePairs2[i].NewData)
      numFiles++;
  
  if (updateCallback100)
  {
    RINOK(updateCallback100->SetNumFiles(numFiles));
  }
  
  CUpdateCallbackAgent updateCallbackAgent;
  updateCallbackAgent.SetCallback(updateCallback100);
  CArchiveUpdateCallback *updateCallbackSpec = new CArchiveUpdateCallback;
  CMyComPtr<IArchiveUpdateCallback> updateCallback(updateCallbackSpec );

  updateCallbackSpec->DirItems = &dirItems;
  updateCallbackSpec->ArcItems = &arcItems;
  updateCallbackSpec->UpdatePairs = &updatePairs2;
  
  SetInArchiveInterfaces(this, updateCallbackSpec);
  
  updateCallbackSpec->Callback = &updateCallbackAgent;

  CByteBuffer processedItems;
  if (processedPaths)
  {
    unsigned num = dirItems.Items.Size();
    processedItems.Alloc(num);
    for (i = 0; i < num; i++)
      processedItems[i] = 0;
    updateCallbackSpec->ProcessedItemsStatuses = processedItems;
  }

  CMyComPtr<ISetProperties> setProperties;
  if (outArchive->QueryInterface(IID_ISetProperties, (void **)&setProperties) == S_OK)
  {
    if (m_PropNames.Size() == 0)
    {
      RINOK(setProperties->SetProperties(0, 0, 0));
    }
    else
    {
      CRecordVector<const wchar_t *> names;
      for(i = 0; i < m_PropNames.Size(); i++)
        names.Add((const wchar_t *)m_PropNames[i]);

      CPropVariant *propValues = new CPropVariant[m_PropValues.Size()];
      try
      {
        FOR_VECTOR (i, m_PropValues)
          propValues[i] = m_PropValues[i];
        RINOK(setProperties->SetProperties(&names.Front(), propValues, names.Size()));
      }
      catch(...)
      {
        delete []propValues;
        return E_FAIL;
      }
      delete []propValues;
    }
  }
  m_PropNames.Clear();
  m_PropValues.Clear();

  if (sfxModule != NULL)
  {
    CInFileStream *sfxStreamSpec = new CInFileStream;
    CMyComPtr<IInStream> sfxStream(sfxStreamSpec);
    if (!sfxStreamSpec->Open(us2fs(sfxModule)))
      return E_FAIL;
      // throw "Can't open sfx module";
    RINOK(NCompress::CopyStream(sfxStream, outArchiveStream, NULL));
  }

  HRESULT res = outArchive->UpdateItems(outArchiveStream, updatePairs2.Size(), updateCallback);
  if (res == S_OK && processedPaths)
  {
    for (i = 0; i < dirItems.Items.Size(); i++)
      if (processedItems[i] != 0)
        processedPaths->Add(us2fs(dirItems.GetPhyPath(i)));
  }
  return res;
}

STDMETHODIMP CAgent::DoOperation2(
    FStringVector *requestedPaths,
    FStringVector *processedPaths,
    ISequentialOutStream *outArchiveStream,
    const Byte *stateActions, const wchar_t *sfxModule, IFolderArchiveUpdateCallback *updateCallback100)
{
  return DoOperation(requestedPaths, processedPaths, _codecs, -1, outArchiveStream, stateActions, sfxModule, updateCallback100);
}

HRESULT CAgent::CommonUpdate(ISequentialOutStream *outArchiveStream,
    unsigned numUpdateItems, IArchiveUpdateCallback *updateCallback)
{
  if (!CanUpdate())
    return E_NOTIMPL;
  CMyComPtr<IOutArchive> outArchive;
  RINOK(GetArchive()->QueryInterface(IID_IOutArchive, (void **)&outArchive));
  return outArchive->UpdateItems(outArchiveStream, numUpdateItems, updateCallback);
}

STDMETHODIMP CAgent::DeleteItems(ISequentialOutStream *outArchiveStream,
    const UInt32 *indices, UInt32 numItems,
    IFolderArchiveUpdateCallback *updateCallback100)
{
  if (!CanUpdate())
    return E_NOTIMPL;
  CRecordVector<CUpdatePair2> updatePairs;
  CUpdateCallbackAgent updateCallbackAgent;
  updateCallbackAgent.SetCallback(updateCallback100);
  CArchiveUpdateCallback *updateCallbackSpec = new CArchiveUpdateCallback;
  CMyComPtr<IArchiveUpdateCallback> updateCallback(updateCallbackSpec);
  
  CUIntVector realIndices;
  _agentFolder->GetRealIndices(indices, numItems,
      true, // includeAltStreams
      false, // includeFolderSubItemsInFlatMode, we don't want to delete subItems in Flat Mode
      realIndices);
  unsigned curIndex = 0;
  UInt32 numItemsInArchive;
  RINOK(GetArchive()->GetNumberOfItems(&numItemsInArchive));
  for (UInt32 i = 0; i < numItemsInArchive; i++)
  {
    if (curIndex < realIndices.Size())
      if (realIndices[curIndex] == i)
      {
        curIndex++;
        continue;
      }
    CUpdatePair2 up2;
    up2.SetAs_NoChangeArcItem(i);
    updatePairs.Add(up2);
  }
  updateCallbackSpec->UpdatePairs = &updatePairs;

  SetInArchiveInterfaces(this, updateCallbackSpec);

  updateCallbackSpec->Callback = &updateCallbackAgent;
  return CommonUpdate(outArchiveStream, updatePairs.Size(), updateCallback);
}

HRESULT CAgent::CreateFolder(ISequentialOutStream *outArchiveStream,
    const wchar_t *folderName, IFolderArchiveUpdateCallback *updateCallback100)
{
  if (!CanUpdate())
    return E_NOTIMPL;
  CRecordVector<CUpdatePair2> updatePairs;
  CDirItems dirItems;
  CUpdateCallbackAgent updateCallbackAgent;
  updateCallbackAgent.SetCallback(updateCallback100);
  CArchiveUpdateCallback *updateCallbackSpec = new CArchiveUpdateCallback;
  CMyComPtr<IArchiveUpdateCallback> updateCallback(updateCallbackSpec);

  UInt32 numItemsInArchive;
  RINOK(GetArchive()->GetNumberOfItems(&numItemsInArchive));
  for (UInt32 i = 0; i < numItemsInArchive; i++)
  {
    CUpdatePair2 up2;
    up2.SetAs_NoChangeArcItem(i);
    updatePairs.Add(up2);
  }
  CUpdatePair2 up2;
  up2.NewData = up2.NewProps = true;
  up2.UseArcProps = false;
  up2.DirIndex = 0;

  updatePairs.Add(up2);

  updatePairs.ReserveDown();

  CDirItem di;

  di.Attrib = FILE_ATTRIBUTE_DIRECTORY;
  di.Size = 0;
  if (_proxyArchive2)
    di.Name = _proxyArchive2->GetFullPathPrefix(_agentFolder->_proxyFolderItem) + folderName;
  else
    di.Name = _proxyArchive->GetFullPathPrefix(_agentFolder->_proxyFolderItem) + folderName;

  FILETIME ft;
  NTime::GetCurUtcFileTime(ft);
  di.CTime = di.ATime = di.MTime = ft;

  dirItems.Items.Add(di);

  updateCallbackSpec->Callback = &updateCallbackAgent;
  updateCallbackSpec->DirItems = &dirItems;
  updateCallbackSpec->UpdatePairs = &updatePairs;
  
  SetInArchiveInterfaces(this, updateCallbackSpec);
  
  return CommonUpdate(outArchiveStream, updatePairs.Size(), updateCallback);
}


HRESULT CAgent::RenameItem(ISequentialOutStream *outArchiveStream,
    const UInt32 *indices, UInt32 numItems, const wchar_t *newItemName,
    IFolderArchiveUpdateCallback *updateCallback100)
{
  if (!CanUpdate())
    return E_NOTIMPL;
  if (numItems != 1)
    return E_INVALIDARG;
  if (!_archiveLink.IsOpen)
    return E_FAIL;
  CRecordVector<CUpdatePair2> updatePairs;
  CUpdateCallbackAgent updateCallbackAgent;
  updateCallbackAgent.SetCallback(updateCallback100);
  CArchiveUpdateCallback *updateCallbackSpec = new CArchiveUpdateCallback;
  CMyComPtr<IArchiveUpdateCallback> updateCallback(updateCallbackSpec);
  
  CUIntVector realIndices;
  _agentFolder->GetRealIndices(indices, numItems,
      true, // includeAltStreams
      true, // includeFolderSubItemsInFlatMode
      realIndices);

  int mainRealIndex = _agentFolder->GetRealIndex(indices[0]);

  UString fullPrefix = _agentFolder->GetFullPathPrefixPlusPrefix(indices[0]);
  UString oldItemPath = fullPrefix + _agentFolder->GetName(indices[0]);
  UString newItemPath = fullPrefix + newItemName;

  UStringVector newNames;

  unsigned curIndex = 0;
  UInt32 numItemsInArchive;
  RINOK(GetArchive()->GetNumberOfItems(&numItemsInArchive));
  for (UInt32 i = 0; i < numItemsInArchive; i++)
  {
    CUpdatePair2 up2;
    up2.SetAs_NoChangeArcItem(i);
    if (curIndex < realIndices.Size())
      if (realIndices[curIndex] == i)
      {
        up2.NewProps = true;
        RINOK(GetArc().IsItemAnti(i, up2.IsAnti)); // it must work without that line too.

        UString oldFullPath;
        RINOK(GetArc().GetItemPath2(i, oldFullPath));

        if (MyStringCompareNoCase_N(oldFullPath, oldItemPath, oldItemPath.Len()) != 0)
          return E_INVALIDARG;

        up2.NewNameIndex = newNames.Add(newItemPath + oldFullPath.Ptr(oldItemPath.Len()));
        up2.IsMainRenameItem = (mainRealIndex == (int)i);
        curIndex++;
      }
    updatePairs.Add(up2);
  }
  updateCallbackSpec->Callback = &updateCallbackAgent;
  updateCallbackSpec->UpdatePairs = &updatePairs;
  updateCallbackSpec->NewNames = &newNames;

  SetInArchiveInterfaces(this, updateCallbackSpec);

  return CommonUpdate(outArchiveStream, updatePairs.Size(), updateCallback);
}

HRESULT CAgent::UpdateOneFile(ISequentialOutStream *outArchiveStream,
    const UInt32 *indices, UInt32 numItems, const wchar_t *diskFilePath,
    IFolderArchiveUpdateCallback *updateCallback100)
{
  if (!CanUpdate())
    return E_NOTIMPL;
  CRecordVector<CUpdatePair2> updatePairs;
  CDirItems dirItems;
  CUpdateCallbackAgent updateCallbackAgent;
  updateCallbackAgent.SetCallback(updateCallback100);
  CArchiveUpdateCallback *updateCallbackSpec = new CArchiveUpdateCallback;
  CMyComPtr<IArchiveUpdateCallback> updateCallback(updateCallbackSpec);
  
  UInt32 realIndex;
  {
    CUIntVector realIndices;
    _agentFolder->GetRealIndices(indices, numItems,
        false, // includeAltStreams // we update only main stream of file
        false, // includeFolderSubItemsInFlatMode
        realIndices);
    if (realIndices.Size() != 1)
      return E_FAIL;
    realIndex = realIndices[0];
  }

  {
    FStringVector filePaths;
    filePaths.Add(us2fs(diskFilePath));
    dirItems.EnumerateItems2(FString(), UString(), filePaths, NULL);
    if (dirItems.Items.Size() != 1)
      return E_FAIL;
  }

  UInt32 numItemsInArchive;
  RINOK(GetArchive()->GetNumberOfItems(&numItemsInArchive));
  for (UInt32 i = 0; i < numItemsInArchive; i++)
  {
    CUpdatePair2 up2;
    up2.SetAs_NoChangeArcItem(i);
    if (realIndex == i)
    {
      up2.DirIndex = 0;
      up2.NewData = true;
      up2.NewProps = true;
      up2.UseArcProps = false;
    }
    updatePairs.Add(up2);
  }
  updateCallbackSpec->DirItems = &dirItems;
  updateCallbackSpec->Callback = &updateCallbackAgent;
  updateCallbackSpec->UpdatePairs = &updatePairs;
 
  SetInArchiveInterfaces(this, updateCallbackSpec);
  
  updateCallbackSpec->KeepOriginalItemNames = true;
  return CommonUpdate(outArchiveStream, updatePairs.Size(), updateCallback);
}

STDMETHODIMP CAgent::SetProperties(const wchar_t **names, const PROPVARIANT *values, UInt32 numProps)
{
  m_PropNames.Clear();
  m_PropValues.Clear();
  for (UInt32 i = 0; i < numProps; i++)
  {
    m_PropNames.Add(names[i]);
    m_PropValues.Add(values[i]);
  }
  return S_OK;
}