#ifndef DATABASE_INTERFACE_H
#define DATABASE_INTERFACE_H

#include <string>
#include <vector>

// Data structures representing the entities

struct Genre {
  int genre_id;
  std::string genre_name;

  Genre() = default;
  Genre(int id, const std::string &name) : genre_id(id), genre_name(name) {}
};

struct Movie {
  int movie_id;
  std::string title;
  int genre_id;
  int duration; // Duration in minutes

  Movie() = default;
  Movie(int id, const std::string &title, int genre_id, int duration)
      : movie_id(id), title(title), genre_id(genre_id), duration(duration) {}
};

struct Hall {
  int hall_id;
  std::string hall_name;
  int capacity;

  Hall() = default;
  Hall(int id, const std::string &name, int capacity)
      : hall_id(id), hall_name(name), capacity(capacity) {}
};

struct Session {
  int session_id;
  int movie_id;
  int hall_id;
  std::string begin_at; // Use appropriate date-time type if needed
  double ticket_price;

  Session() = default;
  Session(int id, int movie_id, int hall_id, const std::string &begin_at,
          double price)
      : session_id(id), movie_id(movie_id), hall_id(hall_id),
        begin_at(begin_at), ticket_price(price) {}
};

struct Ticket {
  int ticket_id;
  int session_id;
  int seat_number;
  std::string sold_at; // Use appropriate date-time type if needed

  Ticket() = default;
  Ticket(int id, int session_id, int seat_number, const std::string &time)
      : ticket_id(id), session_id(session_id), seat_number(seat_number),
        sold_at(time) {}
};

struct Refund {
  int refund_id;
  int ticket_id;
  std::string refund_at; // Use appropriate date-time type if needed
  double refund_amount;

  Refund() = default;
  Refund(int id, int ticket_id, const std::string &time, double amount)
      : refund_id(id), ticket_id(ticket_id), refund_at(time),
        refund_amount(amount) {}
};

// Structures for adding new records (without IDs)

struct NewGenre {
  std::string genre_name;

  NewGenre() = default;
  NewGenre(const std::string &name) : genre_name(name) {}
};

struct NewMovie {
  std::string title;
  int genre_id;
  int duration; // Duration in minutes

  NewMovie() = default;
  NewMovie(const std::string &title, int genre_id, int duration)
      : title(title), genre_id(genre_id), duration(duration) {}
};

struct NewHall {
  std::string hall_name;
  int capacity;

  NewHall() = default;
  NewHall(const std::string &name, int capacity)
      : hall_name(name), capacity(capacity) {}
};

struct NewSession {
  int movie_id;
  int hall_id;
  std::string begin_at; // Use appropriate date-time type if needed
  double ticket_price;

  NewSession() = default;
  NewSession(int movie_id, int hall_id, const std::string &begin_at,
             double price)
      : movie_id(movie_id), hall_id(hall_id), begin_at(begin_at),
        ticket_price(price) {}
};

struct NewTicket {
  int session_id;
  int seat_number;
  std::string sold_at; // Optional, can default to CURRENT_TIMESTAMP

  NewTicket() = default;
  NewTicket(int session_id, int seat_number, const std::string &time)
      : session_id(session_id), seat_number(seat_number), sold_at(time) {}
};

struct NewRefund {
  int ticket_id;
  std::string refund_at; // Optional, can default to CURRENT_TIMESTAMP
  double refund_amount;

  NewRefund() = default;
  NewRefund(int ticket_id, const std::string &time, double amount)
      : ticket_id(ticket_id), refund_at(time), refund_amount(amount) {}
};

// Abstract interface for database operations
class DatabaseInterface {
public:
  virtual ~DatabaseInterface() {}

  // Verification of the database availability
  virtual bool isDatabaseAvailable() = 0;

  // Genre operations
  virtual bool addGenre(const NewGenre &genre) = 0;
  virtual bool removeGenre(int genre_id) = 0;
  virtual bool updateGenre(const Genre &genre) = 0;
  virtual Genre getGenre(int genre_id) = 0;
  virtual std::vector<Genre> getAllGenres() = 0;

  // Movie operations
  virtual bool addMovie(const NewMovie &movie) = 0;
  virtual bool removeMovie(int movie_id) = 0;
  virtual bool updateMovie(const Movie &movie) = 0;
  virtual Movie getMovie(int movie_id) = 0;
  virtual std::vector<Movie> getAllMovies() = 0;

  // Hall operations
  virtual bool addHall(const NewHall &hall) = 0;
  virtual bool removeHall(int hall_id) = 0;
  virtual bool updateHall(const Hall &hall) = 0;
  virtual Hall getHall(int hall_id) = 0;
  virtual std::vector<Hall> getAllHalls() = 0;

  // Session operations
  virtual bool addSession(const NewSession &session) = 0;
  virtual bool removeSession(int session_id) = 0;
  virtual bool updateSession(const Session &session) = 0;
  virtual Session getSession(int session_id) = 0;
  virtual std::vector<Session> getAllSessions() = 0;

  // Ticket operations
  virtual bool addTicket(const NewTicket &ticket) = 0;
  virtual bool removeTicket(int ticket_id) = 0;
  virtual bool updateTicket(const Ticket &ticket) = 0;
  virtual Ticket getTicket(int ticket_id) = 0;
  virtual std::vector<Ticket> getAllTickets() = 0;

  // Refund operations
  virtual bool addRefund(const NewRefund &refund) = 0;
  virtual bool removeRefund(int refund_id) = 0;
  virtual bool updateRefund(const Refund &refund) = 0;
  virtual Refund getRefund(int refund_id) = 0;
  virtual std::vector<Refund> getAllRefunds() = 0;
};

#endif // DATABASE_INTERFACE_H