import java.util.*;
public class Cinema 
{
    float cost;
    String Title;
 
     //Movie class
    private static Movie movieNew = new Movie();
    private static ArrayList<Human> hm = new ArrayList();
 
    public Cinema()
    {
 
    }
    public Cinema (String mtitle, float pounds) 
    {
            this.Title=mtitle;
            this.cost = pounds;
    }
 
    public float getcost (int people) 
    {
        return cost * people;
    }
 
    /**
    * Method check that the movie title and rating have been set,
    * if not throw MoviePropertiesNotSetException.
    */
    public  void setMovie(Movie movieNew) throws MoviePropertiesNotSetException
    { 
        if(movieNew.getTitle()!=null && movieNew.getRating()!=null)       
        {
             System.out.println("The movie is called " +movieNew.getTitle()+ 
                    " and is rated " +movieNew.getRating()+ ".");                  
        }
        else
        {
            throw new MoviePropertiesNotSetException("The Movie properties not set");
        }
    }
    /**
    * Method check that the movie title and rating have been set,
    * if not throw MoviePropertiesNotSetException.
    */
    public void showMovie() throws MoviePropertiesNotSetException
    { 
        if ((movieNew!=null) && (movieNew.getTitle()!=null) && (movieNew.getRating()!=null))
        {
             System.out.println("Showing... "+movieNew.getTitle());             
        }
        else
        {
            throw new MoviePropertiesNotSetException ("The  movie properties are not set.");
        }                  
    }
     /**Checks if Movie properties are set, if not throws MyException
      * takes a collection (ArrayList) of Human - Adult and Child
      * and checks whether they're old enough to watch a movie using
      * the canWatchMovie() method in Adult and Child class.
      */    
    public void addMovieGoers(ArrayList<Human> hm) throws MoviePropertiesNotSetException,IllegalAgeException
    {            
        if(movieNew.getRating()!=null && movieNew.getTitle()!=null)
        {
            String mRt = movieNew.getRating();
             /**
              * Movie rated PG
              */
             if(movieNew.getRating().equalsIgnoreCase("pg")) 
             {                        
                System.out.println("Movie Goers are::");
                for(int i = 0; i < hm.size(); i++)
                {
                    Human test = (Human)hm.get(i);                   
                    if ( test.canWatchMovie(mRt))    
                    {                        
                        System.out.println(test);  
                    }
                    else
                    {
                        throw new IllegalAgeException("The rest are of Illegal Age!");
                    }                     
                 }
            }
              /**
              * Movie rated A 
              */
            else if(movieNew.getRating().equalsIgnoreCase("a")) 
            {
                System.out.println("Movie goers are: ");
                for ( int i = 0; i < hm.size(); i++)
                {
                    Human test = (Human)hm.get(i);
                    if ( test.canWatchMovie(mRt))  
                    {                        
                         System.out.println(test);  
                    }
                    else
                    {
                       throw new IllegalAgeException("The rest are of Illegal Age!");
                    }
                }
            }            
             /**
              * Movie rated G
              */
            else if(movieNew.getRating().equalsIgnoreCase("g")) 
            { 
                System.out.println("Movie goers are: ");
                for ( int i = 0; i < hm.size(); i++)
                {
                    Human test = (Human)hm.get(i);
                    if ( test.canWatchMovie(mRt)) 
                    {
                        System.out.println(test);
                    }
                    else
                    {
                         System.out.println("The rest are below required age.");
                    }
                }
            }
             /**
              * Throw Exception should the movie properties be missing
              */
            else
            {
                throw new MoviePropertiesNotSetException("The movie properties are not set");
            }
        }         
    }
    public static void main(String args[]) throws MoviePropertiesNotSetException, IllegalAgeException
    { 
        Cinema cn = new Cinema();            
        try
        {
            Human a = new Adult("Joe",43);
            Human b = new Adult("Sue",39);
            Human c = new Adult("Tracy",20);
            Human d = new Child("Sammy",17);
            Human e = new Child("Julie",12);
            Human f = new Child("Mona",4);
            hm.add(a);hm.add(b);hm.add(c);hm.add(d);
            hm.add(e);hm.add(f);
            hm.trimToSize();
 
             //setting properties to the movie 
            movieNew.setName("Comedy");
            movieNew.setRating("G");
            movieNew.setTitle("Mr Bin");
 
            cn.setMovie(movieNew);            
            cn.showMovie();  
            cn.addMovieGoers(hm);
        }
        catch(MoviePropertiesNotSetException exp)
        {
            System.out.println(exp.getMessage());
        }
        catch(IllegalAgeException msg)
        {
            System.out.println(msg.getMessage());
        }
        finally
        {
            System.out.println("Movie is over! Have a good day.");
            movieNew=null;
            cn=null;
        }
    }
}

public static void main(String args[]) throws MoviePropertiesNotSetException, IllegalAgeException
    { 
        Cinema cn = new Cinema();  
        Human a = new Adult("Joe",43);
        Human b = new Adult("Sue",39);
        Human c = new Adult("Tracy",20);
        Human d = new Child("Sammy",17);
        Human e = new Child("Julie",12);
        Human f = new Child("Mona",4);
        hm.add(a);hm.add(b);hm.add(c);hm.add(d);
        hm.add(e);hm.add(f);
        hm.trimToSize();
 
        //scenario 1: Movie rated G
        try
        {                
             //setting properties to the movie 
            movieNew.setName("Comedy");
            movieNew.setRating("G");
            movieNew.setTitle("Mr Bin");
 
            cn.setMovie(movieNew);            
            cn.showMovie();  
            cn.addMovieGoers(hm);
        }
        catch(MoviePropertiesNotSetException exp)
        {
            System.out.println(exp.getMessage());
        }
        catch(IllegalAgeException msg)
        {
            System.out.println(msg.getMessage());
        }
 
        //Scenario 2: Movie rated PG
        try
        {           
             //setting properties to the movie 
            movieNew.setName("Action");
            movieNew.setRating("PG");
            movieNew.setTitle("The Fugitive");
 
            cn.setMovie(movieNew);            
            cn.showMovie();  
            cn.addMovieGoers(hm);
        }
        catch(MoviePropertiesNotSetException exp)
        {
            System.out.println(exp.getMessage());
        }
        catch(IllegalAgeException msg)
        {
            System.out.println("Exception "+msg.getMessage());
        }
 
        //Scenario 3: Movie Rated A
        try
        {            
            //setting properties to the movie 
            movieNew.setName("Action");
            movieNew.setRating("A");
            movieNew.setTitle("Lost in The Woods");
 
            cn.setMovie(movieNew);            
            cn.showMovie();  
            cn.addMovieGoers(hm);
 
        }
        catch(MoviePropertiesNotSetException exp)
        {
            System.out.println("Movie properties missing: "+exp.getMessage());
        }
        catch(IllegalAgeException msg)
        {
            System.out.println("Exception "+msg.getMessage());
        }
         finally
        {
            System.out.println("Movie is over! Have a good day.");
            movieNew=null;
            cn=null;
        }                
    }