using System;
using System.Collections.Generic;

namespace zad1 {
    //Polimorfizm, wywołując metodę Pole() automatycznie policzy dla dobrej figury
    abstract class Figura {
        public abstract int Pole();
    }

    class Kwadrat : Figura {
        int a;
        public Kwadrat(int a) {
            this.a = a;
        }
        public override int Pole() {
            return a * a;
        }
    }

    class Prostokat : Figura {
        int a, b;
        public Prostokat(int a, int b) {
            this.a = a;
            this.b = b;
        }
        public override int Pole() {
            return a * b;
        }
    }

    //Low coupling - mała zależność między MovieFan, MovieStore, Movie

    class MovieFan {
        public void PickAMovie(string movieTitle, MovieStore ms) {
            List<string> titles = ms.GetAvailableTitles();
            if (titles.Contains(movieTitle)) {
                Console.WriteLine("We got this!");
            } else {
                Console.WriteLine("Oops");
            }

        }
    }

    class MovieStore {
        List<Movie> availableMovies;
        public MovieStore() {
            availableMovies = new List<Movie>();
        }
        public List<string> GetAvailableTitles() {
            List<string> res = new List<string>();
            foreach (var movie in availableMovies) {
                res.Add(movie.title);
            }
            return res;
        }
    }

    class Movie {
        public string title, genre;
        int yearOfProduction;
        public Movie(string title, string genre, int yearOfProduction) {
            this.title = title;
            this.genre = genre;
            this.yearOfProduction = yearOfProduction;
        }
    }
    class User {
        string username;
        List<Movie> movies;
        public User(string username) {
            this.username = username;
            movies = new List<Movie>();
        }
        //Użytkownik ma swoje ulubione filmy, w dodatku "agreguje" je, więc to on tworzy obiekty Movie
        public void AddMovieToFavourites(string title, string genre, int yearOfProduction) {
            Movie movie = new Movie(title, genre, yearOfProduction);
            movies.Add(movie);
        }
        //Użytkownik ma listę filmów, więc ma wiedzę ile ich jest
        public int GetNumOfFavoouriteMovies() {
            return movies.Count;
        }

        public void PrintFavourites() {
            foreach (var movie in movies) {
                Console.WriteLine($"{movie.title}, {movie.genre}");
            }
        }
    }

    class Program {
        static void Main(string[] args) {
            User user = new User("igor");
            user.AddMovieToFavourites("Mulan", "animowany", 1998);
            user.PrintFavourites();

            Figura kwadrat = new Kwadrat(10);
            Console.WriteLine(kwadrat.Pole());
        }
    }
}