BevShopInterface.java

public interface BevShopInterface {
        int MIN_AGE_FOR_ALCOHOL = 21;  //Minimum age for offering alcohol drink
        int MAX_ORDER_FOR_ALCOHOL= 3;   /*Maximum number of alcohol beverages
                                                                        that can be ordered within an order  */
        int MIN_TIME= 8;                                //earliest time for the order
        int MAX_TIME= 23;                               //latest  time for the order
        int MAX_FRUIT = 5;                              //Maximum number of fruits that this shop offers for SMOOTHIE beverage
        
        /**
         * Checks if the time is valid (between 8 and 23 )
         * @param time time represents the time 
         * @return true if times is within the range of 8 to 23 , false otherwise
         */
        public boolean validTime(int time);
        

        /**
         * checks if the number of alcohol beverages for the current order has reached the maximum
         * @return true if number of alcohol drinks for the current order has reached the maximum , false otherwise
         */
        public boolean eligibleForMore();
        
        /**
         * check the valid age for the alcohol drink
         * @param age the age  
         * @return returns true if age is more than minimum eligible age , false otherwise  
         */
        public boolean validAge(int age);
        /**
          * Creates a new order ,  NO BEVERAGE is added to the order yet 
          * @param time time of the order  
          * @param day day of the order of type DAY
          * @param customerName customer name 
          * @param customerAge customer age
          */
        
        public void startNewOrder(int time,
                                                        DAY day,
                                                        String customerName,
                                                        int customerAge);
        /**
         * process the Coffee order for the current order by adding it to the current order
         * @param bevName beverage name
         * @param size beverage size
         * @param extraShot true if the coffee beverage has extra shot , false otherwise
         * @param extraSyrup true if the coffee beverage has extra syrup , false otherwise
         */
 
        public void processCoffeeOrder( String bevName,
                                                                        SIZE size,
                                                                        boolean extraShot,
                                                                        boolean extraSyrup );
        /**
         * process the Alcohol order for the current order by adding it to the current order
         * @param bevName beverage name
         * @param size beverage size
         */
        public void  processAlcoholOrder( String bevName,
                                                                        SIZE size );
        /**
         * process the Smoothie order for the current order  by adding it to the current order
         * @param bevName beverage name
         * @param size beverage size
         * @param numOfFruits number of fruits to be added 
         * @param addProtien true if protein is added , false otherwise
         */
        public void processSmoothieOrder( String bevName,
                                                                        SIZE size,
                                                                        int numOfFruits,
                                                                        boolean addProtien);
        
        /**
         * locate an order based on  the order number
         * @param orderNo the order number
         * @return the index of the order in the list of Orders  if found or -1 if not found
         */
        public int findOrder(int orderNo);
        
        /**
         * locates an order in the list of orders and returns the total value on the order.
         * @param orderNo the order number
         * @returns the calculated price on this order.
         */
        public double totalOrderPrice(int orderNo);
        
        /**
         *  Calculates the total sale of all the orders for this beverage shop
         *  @return the total sale of all the orders 
         */
        public double totalMonthlySale();
        
        /**
         * sorts the orders within this bevShop using the Selection
         * sort algorithm
         */
        public void sortOrders();
        /**
         * returns Order in the list of orders at the index
         * Notes: this method returns the shallow copy of the order
         * @return Order in the list of orders at the index 
         */
        public Order getOrderAtIndex(int index);
}