#pragma once

#include "types.hpp"

#include <cstdint>
#include <cstddef>
#include <stdexcept>
#include <istream>
#include <ostream>

namespace mz {

using namespace binparse;

struct NotAMZFileException : public std::runtime_error {
	NotAMZFileException();
};

struct UnexpectedEOS : public std::runtime_error {
	UnexpectedEOS();
	
	UnexpectedEOS(std::string location);
};

struct MZHeader {
	Magic16 magic;
	Value16 bytes_in_last_block;
	Value16 blocks_in_file;
	Value16 num_relocs;
	Value16 header_paragraphs;
	Value16 min_extra_paragraphs;
	Value16 max_extra_paragraphs;
	Offset16 ss;
	Offset16 sp;
	Value16 checksum;
	Offset16 ip;
	Offset16 cs;
	Offset16 reloc_table_offset;
	Value16 overlay_number;
};

MZHeader parse_file(std::istream& is);

std::ostream& operator<<(std::ostream& os, MZHeader const& header);

}