#ifndef FILE_T_H
#define FILE_T_H

#include <openssl/md5.h> /* md5sum */

#include "exception_t.h"

typedef enum filepath_t {
  FILEPATH_ABSOLUTE,
  FILEPATH_RELATIVE,
  FILEPATH_HOME
} filepath_t;

/**
 * Wrapper to file
 */
typedef struct file_t {
  char *name; /**< Absolute path to file */
  unsigned char hash[MD5_DIGEST_LENGTH];  /**< MD5sum hash */
  char *hash_str; /**< MD5sum hash as char* */
  filepath_t fp;
} file_t;

/**
 * @brief Initialise file_t
 * Adds $HOME to @filename and sets MD5 strings to NULL
 * @param filename Relative path () to file
 * @param e Exception
 * @return Pointer to file_t
 */
file_t*
file_init(const char *filename, filepath_t FILEPATH, exception_t *e);

/**
 * Destroy file_t
 * @param Pointer to file_t
 */
void
file_close(file_t *file);

/**
 * Generate MD5sum hash from file
 * @return MD5sum hash of file
 */
unsigned char*
file_md5_gen(file_t *f, exception_t *e);

/**
 * Convert MD5sum hash to string
 * @param md5 MD5sum hash
 * @return NULL-terminated string
 */
char*
file_md5_str(file_t *f, exception_t *e);

char*
file_abs(const file_t *f);

#endif