#include "eydrle.hh"

namespace EydTools {
	void EydRle::uncompress(){
		EydLib::BitGroup data;

		EydLib::BitReader bitread(_cellsize, 256);
		bitread.open(_input_file);

		unsigned char c;
		bitread.readDirect(&c, 1);
		//TODO: fixer cell_size en fonction de "c";

		if (c != _cellsize){
			printf("WARNING : File cellsize is %d, but uncompressing with %d\n",c, _cellsize);
		}

		EydLib::BitWriter bitwrite(_cellsize,256);
		bitwrite.open(_output_file);

		EydLib::BitUncompressor uncompressor(_cellsize);

		printf("File opened\n");

		bool done=false;
		std::vector<EydLib::BitGroup> record;
		while(!done){
			try{
				data = bitread.read();
				uncompressor.append(data);

				if (uncompressor.hasContent()){
					std::list<EydLib::BitGroup> uncompressedData = uncompressor.flush();
					std::list<EydLib::BitGroup>::iterator uncmpDataIt;
					for(uncmpDataIt = uncompressedData.begin();
							uncmpDataIt != uncompressedData.end();
							uncmpDataIt++){
						bitwrite.write((*uncmpDataIt)); // cellule
					}
				}
			} catch (EydLib::eBitReaderEndOfFile& e) {
				done = true;		
				// on flushe le contenu de record
				// uncompressor.flushRleData();
				std::list<EydLib::BitGroup> uncompressedData = uncompressor.flush();
				std::list<EydLib::BitGroup>::iterator uncmpDataIt;
				for(uncmpDataIt = uncompressedData.begin();
						uncmpDataIt != uncompressedData.end();
						uncmpDataIt++){
					bitwrite.write((*uncmpDataIt)); // cellule
				}
			} catch (std::exception& e){
				printf("ERROR\n");
			}
		}
		printf("uncompression done\n");

		bitread.close();
		bitwrite.close();

		printf("file closed\n");
	}
}