#ifndef TYPES_HPP
#define TYPES_HPP

#include <stddef.h>
#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

/// Mutable byte buffer.
typedef struct Bytes {
    uint8_t* data;
    size_t size;
} Bytes;

/// Immutable byte buffer.
typedef struct ConstBytes {
    const uint8_t* data;
    size_t size;
} ConstBytes;

typedef enum StatusCode {
    StatusCode_Ok = 0,
    StatusCode_DynError = 1,
    StatusCode_InvalidInput = 2,
    StatusCode_OutOfMemory = 3,
} StatusCode;

static bool status_code_is_ok(const StatusCode code) {
    return code == StatusCode_Ok;
}

static bool status_code_is_error(const StatusCode code) {
    return !status_code_is_ok(code);
}

/// A status code with an optional human-readable description.
typedef struct Status {
    StatusCode code;
    const char* message;
} Status;

static Status status_from_code(const StatusCode code) { return Status { code, NULL }; }
static Status status_ok() { return status_from_code(StatusCode_Ok); }

static bool status_is_ok(const Status status) { return status_code_is_ok(status.code); }
static bool status_is_error(const Status status) { return status_code_is_error(status.code); }

#ifdef __cplusplus
}
#endif

#endif // TYPES_HPP