#ifndef COMMON_H
#define COMMON_H

#include <stdlib.h>
#include <stddef.h>
#include <stdint.h>
#include <sys/stat.h>

#define ARRAY_LEN(arr) sizeof(arr) / sizeof(arr[0])

#define GITHUB_API "https://api.github.com"
#define LUTRIS_API "https://lutris.net/api"
#define WINE_API LUTRIS_API "/runners/wine"
#define DXVK_API GITHUB_API"/repos/lutris/dxvk/releases"
#define INSTALLER_API LUTRIS_API "/installers/"
#define GAME_API LUTRIS_API "/games"
#define GAME_SEARCH_API GAME_API "?search=%s"
#define GAME_INSTALLER_API GAME_API "/%s/installers"


#ifndef NAME
#warning "no name specified, setting it to \"polecat\""
#define NAME "polecat"
#endif

#ifndef VERSION
#warning "no version specified, setting it to \"0.0.0\""
#define VERSION "0.0.0"
#endif

#define USER_AGENT NAME "/" VERSION

#define USAGE_STR "Usage: " NAME

#ifdef DEBUG
#define UNREACHABLE printf("unreachable code reached\n" __FILE__ ":L%i\n", __LINE__); exit(0);
#else
#define UNREACHABLE
#endif

#ifdef __GNUC__
#define UNUSED __attribute__((__unused__))
#else
#define UNUSED
#endif

#include <json.h>

// since json-c 0.13 json_object_array_length returns a size_t
#if defined(JSON_C_MINOR_VERSION) && JSON_C_MINOR_VERSION >= 13
#define JSON_LENGTH_TYPE size_t
#else
#define JSON_LENGTH_TYPE int
#endif

#ifdef _WIN32
#define mkdir(path, perm) mkdir(path)
#endif


struct MemoryStruct {
    uint8_t* memory;
    size_t size;
};

struct Command {
    char* name;
    int (*func)(int, char**);
    char* description;
};

enum flag_variants {
	ONE = 1 << 0,
	TWO = 1 << 1,
	BOTH   = ONE + TWO,
};

struct Flag {
    char* name;
    enum flag_variants variant;
    int (*func)(int, char**);
    char* description;
};

void print_help(const struct Command*, size_t, const struct Flag*, size_t);

struct stat getStat(const char* path);
int isFile(const char*);
int isDir(const char*);

int makeDir(const char* path);
int removeDir(const char *path);

#endif