#ifndef ERROR_H
#define ERROR_H

#include "lib.h"

typedef enum {
    ERR_OK = 0,
    ERR_MEMORY,
    ERR_FILE_OPEN,
    ERR_FILE_READ,
    ERR_FILE_WRITE,
    ERR_FILE_SEEK,
    ERR_INVALID_BOOTID,
    ERR_UNKNOWN_CONTAINER,
    ERR_KEY_NOT_FOUND,
    ERR_AES_ALIGNMENT,
    ERR_EXTRACTION_FAILED
} ErrorCode;

static inline const char* error_string(ErrorCode code) {
    static const char* const errs[] = {
        "ok", "mem", "open", "read", "write", "seek", "bootid", "container",
        "key", "align", "extract"
    };
    return (code < sizeof(errs)/sizeof(errs[0])) ? errs[code] : "?";
}

#define FAIL(code) do { \
    fprintf(stderr, "error: %s\n", error_string(code)); \
} while(0)

#define FAIL_MSG(code, msg) do { \
    fprintf(stderr, "error: %s - %s\n", error_string(code), (msg)); \
} while(0)

#endif