#include <iostream>
#include <fstream>
#include <string>
#include <iomanip>
#include <vector>
using namespace std;

///////////////////////////////////////////////////////////////////////////
// Function prototypes

void print_instructions();


///////////////////////////////////////////////////////////////////////////
// Image class definition
// - Images are records about pictures taken and contain a name and a 
//   string of tags.
class Image{

  friend ostream &operator<<(ostream &, Image);
  friend istream &operator>>(istream&, Image &);

public:
  // Default constructor  
  Image();
  // Constructor with initial values
  Image(string, string);
  // Name observer
  string get_name();
  // Tags observer
  string get_tags();
  //Accesor for the tags. My assumption is that the name is assigned
  // by the camera, so there won't be any changes made to that
  void set_tags(string);
  ~Image();

private:
  string image_name;
  string image_tags;

};

// Default constructor
Image::Image(){
  // no need to do anything here, since the strings are empty to start with.
}

// Initializing Constructor
Image::Image(string initial_name, string initial_tags){

  // MAKE THIS WORK

}

// Return the image name
string Image::get_name(){

  // MAKE THIS WORK
  
}

// Return the tags
string Image::get_tags(){

  // MAKE THIS WORK

}

// Change the tags
void Image::set_tags(string new_tags){

  // MAKE THIS WORK

}

Image::~Image(){
  // Nothing to do with the deconstructor this time
}

ostream &operator<<(ostream & output, Image i){
  
    // MAKE THIS WORK

};


istream &operator>>(istream& input, Image & i){

    // MAKE THIS WORK

};



//
///////////////////////////////////////////////////////////////////////////

/*
int main(){

  // A small main program to test the image class

  // Create a new image
  Image test_image("DSCF0020","Bride, groom, close up");
  // make sure the observers work
  cout << "Testing observers:" << endl;
  cout << "This should say DSCF0020: " << test_image.get_name() << endl;
  cout << "This should say 'Bride, groom, close up': " << test_image.get_tags() << endl;
  // make sure the accesor for the tags works:
  cout << "Testing accessors:" << endl;
  test_image.set_tags("Bride, groom, close up, pimple");
  cout << "This should say 'Bride, groom, close up, pimple': " << test_image.get_tags() << endl;
  // make sure the friend functions work as well
  cout << "The next line should say 'DSCF0020 Bride, groom, close up, pimple':"  << endl;
  cout << test_image << endl;
  // now test the input operator
  cout << "At the prompt, please type - D01 Bride, groom, family:" << endl;
  cin >> test_image;
  cout << "The next line should say 'D01 Bride, groom, family':"  << endl;
  cout << test_image << endl;
  cout << test_image.get_tags() << endl;
}

*/

///////////////////////////////////////////////////////////////////////////
// Photo Set class
// - A photo set is a collection of images. Each set has a name, and a vector
//   of images in it. 

class Photo_set{

public:
  // Default constructor for empty photo set
  Photo_set();
  // Method that loads the Image names and tags from a file
  void load_set(string source_file);
  // Show a numbered list of images
  void display_images();
  // return a copy of one of the images in the set
  Image extract_image(int);
  // Add an image to the set
  void add_image(Image);
  // Return the number of images
  int number_of_images();
  // Return the name of the set
  string get_name();
  // Set the name of the photo set
  void change_set_name(string);
  // Save the photo set into a file
  void save_set(string);
  // Destroy the photo set
  ~Photo_set();
  
private:
  string set_name;
  vector<Image> images;

};

// A default constructor that makes a blank set
Photo_set::Photo_set(){

    // MAKE THIS WORK

}

// A method that is given the name of a file and reads
// the information from the file. 
// The file has the format:
// One line with the set name
// Many lines, each with one image on them
void Photo_set::load_set(string filename){
  
    // MAKE THIS WORK

}

// Display a numbered list of images contained in the photo set
// Start with the name, so we know which set it is
// Notice that numbering starts at 1, because we don't want to 
// confuse grandma
void Photo_set::display_images(){

    // MAKE THIS WORK
  
}


// Given an integer that represents a number from the display_images
// list, return a copy of that image
Image Photo_set::extract_image(int image_number){

    // MAKE THIS WORK

}

// Add an image to the set
// Just slap it on the end of the vector
void Photo_set::add_image(Image new_image){

    // MAKE THIS WORK

}

// Return the number of images
// This is just the size of the vector
int Photo_set::number_of_images(){
  
    // MAKE THIS WORK
 
}

// Get name simply returns the name of the set
string Photo_set::get_name(){
  
    // MAKE THIS WORK

}

// Set the name of the photo set
void Photo_set::change_set_name(string new_name){
  
    // MAKE THIS WORK
  
}

// Save the photo set into a file of the specified name
void Photo_set::save_set(string filename){
  
    // MAKE THIS WORK
  
}


// Destroy the photo set
Photo_set::~Photo_set(){

    // MAKE THIS WORK

}

///////////////////////////////////////////////////////////////////////////

// A main function to test that the photo_set class works
/*
int main(){

  string filename = "11-04-2006-wedding.txt";
  
  cout << "starting" << endl;
  // test the default constructor
  Photo_set test_set;
  test_set.display_images();

  // test the file loading constructor
  Photo_set file_set;
  file_set.load_set(filename.c_str());
  file_set.display_images();

  // test the extract image
  cout << endl << endl << "The next line should say: DSCF0364.JPG Bride and groom kneeling, closeup" << endl;
  cout << endl << file_set.extract_image(5) << endl;
  
  // test the add image
  test_set.add_image(file_set.extract_image(10));
  test_set.display_images();

  // check the count of images
  cout << "The next number should be 1: " << test_set.number_of_images() << endl;

  // Check the set_name
  cout << "The next line should read: 11-04-2006-wedding" << endl;
  cout << file_set.get_name() << endl;

  // Check that we can change the name
  cout << "The next line should read: Elizabeth and John's wedding" << endl;
  file_set.change_set_name("Elizabeth and John's wedding");
  cout << file_set.get_name() << endl;

  // Check that we can save a photo set
  test_set.save_set("test_output");
  Photo_set new_set;
  new_set.load_set("test_output");

  cout << "This set:" << endl;
  test_set.display_images();
  cout << endl << "Should be the same as this set:" << endl;
  new_set.display_images();



  cout << "ending" << endl;
}
*/

// Now for the real main This should display a menu and allow the user
// to load a file into a photo set, move images from that photo set to
// another, give the other a title, and save it to a file.
int main(){

  // MAKE THIS WORK
  
}


void print_instructions(){
  
  cout << endl << endl;
  cout << "Welcome to the PIC, Co. Photo chooser." << endl;
  cout << "This program will allow you to choose photos from one set" << endl;
  cout << "and add them to a second set which can them will be saved" << endl;
  cout << "so that it can be printed" << endl;

  cout << " " << endl;

  cout << "Menu choices:" << endl;
  cout << left;
  cout << setw(5) << "L" << setw(45)  << "Load from a file into the main set" << endl;
  cout << setw(5) << "P" << setw(45) << "Pick a picture from the main set to add to the order" << endl;
  cout << setw(5) << "D" << setw(45) << "Display the photos currently in the order" << endl;
  cout << setw(5) << "S" << setw(45) << "Save the order for processing" << endl;
  cout << setw(5) << "Q" << setw(45) << "Quit the program" << endl;
  cout << endl << endl << "Your choice: ";
}