#include <stdexcept>
#include <iostream>

#include "MBR.h"
#include "fat32/FS.h"
 
class Simu {
	FILE* f;
public:
	
	Simu(const char* image) {
		f = fopen(image, "rb");
		if (!f) {throw std::runtime_error("failed to open");}
	}
	
	uint32_t read(uint32_t addr, uint32_t size, uint8_t* dst) {
		fseek(f, addr, SEEK_SET);
		return fread(dst, size, 1, f) * size;
	}
	
};

int main(void) {
	
	// diff /tmp/ram/TETRIS.GB /apps/workspace/gbemu/tests/tetris.gb

	Simu simu("/tmp/ram/1.dat");
	
	MBR<Simu> mbr(simu);
	std::cout << mbr.isPresent() << std::endl;
	std::cout << mbr.isValid() << std::endl;
	
	if (mbr.isPresent() && mbr.isValid()) {
		
		for (int i = 0; i < 4; ++i) {
			std::cout << (int) mbr.getPartition(i).getType() << " - " << mbr.getPartition(i).getFirstSector() << " - " << mbr.getPartition(i).getNumSectors() << std::endl;
		}
	
		using FAT32FS = FAT32::FS<Simu>;

		FAT32FS fat(simu, mbr.getPartition(0).getFirstSector() * 512);
		std::cout << "valid: " << fat.isValid() << std::endl;

		FAT32FS::DirIterator dir = fat.getRoot();
		while(dir.hasNext()) {
			FAT32::DirEntry de = dir.next();
			std::cout << de.getName() << std::endl;
			FAT32FS::File f = fat.open(de);

			uint8_t* bufff = (uint8_t*) malloc(1024*1024);
			uint32_t read = f.read(f.getSize(), bufff);

			std::string name = de.getName();
			std::ofstream out("/tmp/ram/" + name);
			out.write((char*)bufff, read);
			out.close();

		}

		// diff /tmp/ram/TETRIS.GB /apps/workspace/gbemu/tests/tetris.gb
		// diif /tmp/ram/KIRBY1.GB /apps/workspace/gbemu/tests/Kirby\'s\ Dream\ Land\ \(USA\,\ Europe\).gb
		
	}

	
}