#pragma once

#include <stdint.h>
#include <stdio.h>
typedef enum {
    Profile_Linked,
    Profile_Shared,
    Profile_Kern,
} Profile;

static const char* profile_strs[] = { "linked", "shared", "kern" };

typedef struct {
    const char* output_file;
    int input_files;
    Profile profile;
} Args;

typedef struct {
    int argc;
    char** argv;
    int files;
} FileIter;

const char* file_iter_next(FileIter* iter);

typedef struct {
    uint16_t offset;
    char* ident;
} HeaderGlobalSym;

typedef struct {
    uint16_t id;
    char* ident;
} HeaderExternSym;

typedef struct {
    uint16_t id;
    uint16_t offset;
} HeaderExternRef;

typedef struct {
    uint16_t header_size;
    uint16_t global_syms_size;
    HeaderGlobalSym* global_syms;
    uint16_t extern_syms_size;
    HeaderExternSym* extern_syms;
    uint16_t extern_refs_size;
    HeaderExternRef* extern_refs;
    uint16_t program_size;
} Header;

void header_destroy(Header* header);
int header_read_from(Header* header, FILE* fp, const char* filename);
void header_print(const Header* header);

int link_kern(const Args* args, FileIter input_files);