#ifndef DATA_ACCES_H
#define DATA_ACCES_H

#include <iostream>
#include <list>

class data_acces
{
public:
  /**
   * @brief data_acces
   * Interface to program objects that manage the stored data
   */
  data_acces();
  /**
   * @brief get_passwd
   * Get the hash of the password that use the user
   * @param username User whose password you want to know
   * @return The hash of the password
   */
  virtual std::string get_passwd(std::string username) = 0;
  /**
   * @brief get_admin
   * Get if the user is a admin or not
   * @return true if is an admin, false if not
   */
  virtual bool get_admin(std::string)=0;
  /**
   * @brief get_pinfo
   * Get a list of the generated packages and the information about that
   * @return A list of the generated packages and the information about that
   */
  virtual std::list<std::string> get_pinfo()=0;
  /**
   * @brief get_uinfo
   * Get a list of the users and if they are admins or not
   * @return A list of the users and if they are admins or not
   */
  virtual std::list<std::string> get_uinfo()=0;
  /**
   * @brief write_install
   * Store information about package generation
   * @param package Name of the package generated
   * @param user User that generated te package
   */
  virtual void write_install(std::string package, std::string user)=0;
  /**
   * @brief write_remove
   * Remove the information about generated package
   * @param package Name of the package generated
   */
  virtual void write_remove(std::string package)=0;
  /**
   * @brief get_package_exists
   * Search if the package exists
   * @param package Name of the package to search
   * @return True if the package exists, false if not
   */
  virtual bool get_package_exists(std::string package)=0;
  /**
   * @brief create_user
   * Create a new user with the passed data
   * @param user Name of the passed user
   * @param pass Password of the new user
   * @param admin Admin status of a new user
   */
  virtual void create_user(std::string user, std::string pass, bool admin)=0;
  /**
   * @brief remove_user
   * Remove a user
   * @param user Name of the user to delete
   */
  virtual void remove_user(std::string user)=0;
  /**
   * @brief get_hash
   * Generate a hash with the pased data
   * @param data Data to hash
   * @return Data hased
   */
  static char* get_hash(char *data);
};
#endif // DATA_ACCES_H