import IO;
import Water;
import Hopper;
import Recipe;
import Authorisation;
import Exception;
import Configuration.

config      = new Configuration or die 'No configuration';
except      = new Exception( ) or die 'No exceptions'; # ;^)

try (ex) {
    io          = new IO( config );
    Water       = new WaterClass( config );
    hoppers{}   = new Hoppers( config );
    auth        = new Authorisation( config );
}
else {
    except( ex );
}

while( water.ready ) {

    selectedRecipe = io.displayList( recipes );

    if( auth( selectedRecipe ) and IO.cupReady( timeout ) ) {
        try (ex) {
            hoppers{ ingredient }.dispense( quantity )
                while (ingredient, quantity) = selectedRecipe.iterate;
        }
        else {
            IO.displayException( ex );
            delete recipe{ $_ } for grep{ $_.uses( ex.missingIngredient ) @recipes;
            IO.requestReplenishment( ex.missingIngredient );
        }
    }
    else {
        IO.displayStatus( 'Timeout: Try again' );
    }
}