#include "IZipFileContentProvider.h"
namespace LifeCore
{
	static const String zipPathSplitter(_text("/"));

	IZipFileContentProvider::IZipFileContentProvider(const String& zipFile)
	{
		IZipFolder* folder = new IZipFolder();
		g_rootFolder = zipFile;
		folder->Provider = this;
		folder->Name = GetFileNameWithoutExtention(zipFile);

		folder->EntryName = _text("");

		g_fs = new IFileSystem(folder);

		g_sourceFile = unzOpen(zipFile.c_str());

		unzGetGlobalInfo(g_sourceFile,&globalInfo);
		g_fs->GetRootFolder();
		BuildTree();
		unzClose(g_sourceFile);
	}

	void IZipFileContentProvider::BuildTree()
	{
		unzGoToFirstFile(g_sourceFile);

		for (unsigned int i = 0; i < globalInfo.number_entry; i++)
		{
			tchar fileName[256+1] = {0};
			unz_file_info fileInfo;

			unzGetCurrentFileInfo(g_sourceFile,&fileInfo,fileName,256,NULL,0,NULL, 0);

			if (fileInfo.size_filename >0 && fileName[fileInfo.size_filename-1] == '/')
			{
				/*   string path = entry.Name;
				path = path.Replace('/', '\\');
				IZipFolder folder = BuildDirectory(path);*/
			}
			else//is file
			{
				String sd  = String(fileName);
				String p = GetZipPathWithoutFilename(sd);
				IZipFolder* folder;
				g_fs->GetFolder(p, (IFolder**)&folder);

				IZipFile* file = new IZipFile();
				file->FileName = GetFileName(sd, zipPathSplitter);
				file->Provider = this;
				file->Size = fileInfo.uncompressed_size;
				file->EntryName = sd;
				folder->AddFile(file);
			}
			unzCloseCurrentFile(g_sourceFile);
			unzGoToNextFile(g_sourceFile);
		}

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

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