#include "IPakFileContentProvider.h"

namespace LifeCore
{
	static const String pakPathSplitter(_text("/"));

	IPakFileContentProvider::IPakFileContentProvider(IDataStream* pakFile, const String& name)
	{
		IPakFolder* folder = new IPakFolder();
		//  g_rootFolder = pakFile;
		folder->Provider = this;
		folder->Name = name;

		folder->EntryName = _text("");

		fileSystem = new IFileSystem(folder);

		g_sourceFile.Open(pakFile);

		fileSystem->GetRootFolder();
		BuildTree();
	}
	void IPakFileContentProvider::BuildTree()
	{
		//g_sourceFile.LocateEntry(0);
		int numFiles = g_sourceFile.filesCount();

		for (int i = 0; i < numFiles; i++)
		{
			//g_sourceFile.LocateEntry(i);
			entry_info info = g_sourceFile.GetEntryInfo(i);

			String p = GetPakPathWithoutFilename(info.fileName);

			IPakFolder* folder;

			if(this->fileSystem->GetFolder(p, (IFolder**)&folder) != SC_OK)
			{
				printf("Failed to get folder! IPakFileContentProvider::BuildTree\n");
				return;
			}

			IPakFile* file = new IPakFile();
			file->FileName = GetFileName(info.fileName, pakPathSplitter);
			file->Provider = this;
			file->Size = info.fileSize;
			file->EntryName = info.fileName;
			folder->AddFile(file);

			//g_sourceFile.CloseCurrentEntry();
		}

		//print folder tree
		String tab(_text("\t"));
		int cnt = fileSystem->GetRootFolder()->folderCount;
		for(int i = 0; i < cnt; i++)
		{
			IFolder* fld = fileSystem->GetRootFolder()->GetFolder(i);
			PRINT(_text("%s\n"), fld->Name.c_str());
			PRINT(_text("Files count: %i\n"), fld->fileCount);
		}
	}

	String IPakFileContentProvider::GetPakPathWithoutFilename(const String& path)
	{
		int offset = path.find_last_of(_text("/"));
		if(offset>=0)
		{
			return path.substr(0, offset);
		}
		else
		{
			return _text("/");
		}
	}
}