using System;

// import collects for array list object

using System.Collections;

​

namespace Cinema_booking_system

{

    public class Program

    {

        public static void Main(string[] args)

        {

            Console.WriteLine("Welcome to Aquinas Multiplex");

            Console.WriteLine();

            Console.WriteLine("We are presently showing:");

            // declare an array list of movies

            var movies = new ArrayList();

            // add movie object to array list of movies

            movies.Add(new Movie("The Fast and Furious 9", 15));

            movies.Add(new Movie("Home Alone", 18));

            movies.Add(new Movie("Cars", 12));

            // declate iteration variable

            int iteration = 0;

            // loop through each movie object in array list movies

            foreach (Movie m in movies) {

                // format string output from movie object

                string movieOutput = String.Format("{0}. {1} ({2})", iteration, m.Title, m.Rating);

                // print output

                Console.WriteLine(movieOutput);

                // increment iteration variable

                iteration++;

            }

            // get movie number 

            Console.WriteLine("Enter the number of the film you wish to see:");

            int movieNumber = int.Parse(Console.ReadLine());

            // check if movie exists

            // movies.Count - 1 is needed as count returns the number of elements in a list,

            // arrayList begins a 0, so a user could potentially select an out of bounds number and not be picked up

            // movies.Count - 1 returns the lenght of the array including 0 element in the list

            if (movieNumber > movies.Count - 1) {

                Console.WriteLine("Access denied - No such film");  

                Environment.Exit(0);

            }

            // get user age

            Console.WriteLine("Enter your age:");

            int userAge = int.Parse(Console.ReadLine());

            // get movie from array list

            // need to cast (Movie) to array of objects to avoid error `Cannot implicitly convert type 'object' to 'Movie'`

            Movie selectedMovie = (Movie) movies[movieNumber];

            // check a user is less than the movie rating

            if (userAge < selectedMovie.Rating) {

                Console.WriteLine("Access denied - You are too young"); 

                Environment.Exit(0);

            }

            // declare an array list of dates

            var dates = new ArrayList();

            // get today date

            DateTime today = DateTime.Today;

            // add today to array list

            dates.Add(today);

            // add available dates to array

            for (int i = 1; i < 7; i++) {

                DateTime incrementedDate = today.AddDays(i);

                dates.Add(incrementedDate);

            }

            // set iteration variable back to 0

            iteration = 0;

            // print list of available dates to watch the movie

            Console.WriteLine(String.Format("We are showing {0} on the following dates:", selectedMovie.Title));

            foreach (DateTime d in dates) {

                // format string output from dateTime object

                string dateOutput = String.Format("{0}. {1}", iteration, d.ToString("dd/MM/yyyy"));

                // print output

                Console.WriteLine(dateOutput);

                // increment iteration variable

                iteration++;

            }

            // get date number 

            Console.WriteLine("Enter the number of the date you wish to see the movie on:");

            int dateNumber = int.Parse(Console.ReadLine());

            // ensure the date selected is in the bounds of the dates arraylist

            if (dateNumber > dates.Count - 1) {

                Console.WriteLine("date selected is invalid");  

                Environment.Exit(0);

            }

            // get selected dated from array list, casting datetime to dates objects

            DateTime selectedDate = (DateTime) dates[dateNumber];

            // print the users ticket

            Console.WriteLine();

            Console.WriteLine("--------------------");

            Console.WriteLine("Aquinas Multiplex");

            Console.WriteLine(String.Format("Film : {0}", selectedMovie.Title));

            Console.WriteLine(String.Format("Date : {0}", selectedDate.ToString("dd/MM/yyyy")));

            Console.WriteLine("--------------------");

        }

    }

}

​

// A movie class to create movie objects

class Movie 

{

    public string Title;

    public int Rating;

    // Movie Consturctor 

    public Movie(string title, int rating) {

        Title = title;

        Rating = rating;

    }

}

​

​