/* lab3-5b.java
  
;; Data to represent a camera shot:
;; either a still photo or a video clip

;; A Shot is one of
;; -- Photo
;; -- Video
  
;; A Photo is (make-photo String Number Number Number String)
(define-struct photo (name width height bytes kind))

(define river (make-photo "River" 3456 2304 3614571 "jpeg"))
(define mountain (make-photo "Mountain" 2448 3264 1276114 "jpeg"))
(define people (make-photo "People" 545 641 13760 "gif"))
(define plt-icon (make-photo "PLT icon" 16 16 1334 "bmp"))
  
;; A Video is (make-video String String Number Number Boolean)
(define-struct video (name kind size duration sound?))
;; Interpretation: 
;;    kind of video may be either QuickTime or RealPlayer
;;    size is measured in bytes
;;    duration is measured in seconds
;;    sound? indicated whether or not this video has sound
 
(define beach (make-video "Beach" "QuickTime" 3614571 5 false))
(define hike (make-video "Hike" "RealPlayer" 1276114  3 false))
(define party (make-video "Party" "QuickTime" 5456434 2 true))
(define tutorial (make-video "Tutorial" "RealPlayer" 23551334 5 true))
*/

/*
+-------------+
| Photo       |
+-------------+
| String name |
| int width   |
| int height  |
| int bytes   |
| String kind |
+-------------+
*/

// to represent an entry in an iPhoto collection
interface Shot{ }

// to represent a still photo in an iPhoto collection
class Photo implements Shot{
  String name;
  int width;
  int height;
  int bytes;
  String kind;
  
  Photo(String name, int width, int height, int bytes, String kind){
    this.name = name;
    this.width = width;
    this.height = height;
    this.bytes = bytes;
    this.kind = kind;
  }
}

/*
+-------------+
| Video       |
+-------------+
| String name |
| int width   |
| int height  |
| int bytes   |
| String kind |
+-------------+
*/

// to represent a video clip in an iPhoto collection
class Video implements Shot{
  String name;
  String kind;
  int size;
  int duration;     // in minutes
  boolean sound;
  
  Video(String name, String kind, int size, int duration, boolean sound){
    this.name = name;
    this.kind = kind;
    this.size = size;
    this.duration = duration;
    this.sound = sound;
  }
}

// examples for the class hierachy that represents photo and video shots
class Examples{
  Examples (){}
  
  // (define river (make-photo "River" 3456 2304 3614571 "jpeg"))
  Shot river = new Photo("River", 3456, 2304, 3614571, "jpeg");
  
  // (define mountain (make-photo "Mountain" 2448 3264 1276114 "jpeg"))
  Shot mountain = new Photo("Mountain", 2448, 3264, 1276114, "jpeg");
  
  // (define people (make-photo "People" 545 641 13760 "gif"))
  Shot people = new Photo("People", 545, 641, 13760, "gif");
  
  // (define plt-icon (make-photo "PLT icon" 16 16 1334 "bmp")) 
  Shot pltIcon = new Photo("PLT icon", 16, 16, 1334, "bmp");
  
  // (define beach (make-video "Beach" "QuickTime" 3614571 5 false))
  Shot beach = new Video("Beach", "QuickTime", 3614571, 5, false);

  // (define hike (make-video "Hike" "RealPlayer" 1276114  3 false))
  Shot hike = new Video("Hike", "RealPlayer", 1276114,  3, false);

  // (define party (make-video "Party" "QuickTime" 5456434 2 true))
  Shot party = new Video("Party", "QuickTime", 5456434, 2, true);

  // (define tutorial (make-video "Tutorial" "RealPlayer" 23551334 5 true))
  Shot tutorial = new Video("Tutorial", "RealPlayer", 23551334, 5, true);
}

/*
             +------------+
             | Shot       |
             +------------+
                  / \
                  ---
                   |
         -------------------------
         |                       |
+-------------+          +---------------+
| Photo       |          | Video         |
+-------------+          +---------------+
| String name |          | String name   |
| int width   |          | String kind   |
| int height  |          | int size      |
| int bytes   |          | int duration  |
| String kind |          | boolean sound |
+-------------+          +---------------+
*/