#include <ode.h>
#include "biblio.h"


/////////////////////////////////////////////////
 //methods for Person 
/////////////////////////////////////////////////
void Person::print_person()
{
  cout << "Name: " << name
       << "   Address: " << address
       << "   Email: " << email << endl;
}


/////////////////////////////////////////////////
 //methods for Author
/////////////////////////////////////////////////

 //use the constructor from the Person object to create a new author.
Author::Author(char* n, char* a, char* e)
    : Person(n, a, e) {}


 // adding a paper to an author
void Author::add_paper(persistent Paper *new_paper)
{
  papers.add(new_paper);
}


 // will remove a paper from an author given the pnumber.
void Author::remove_paper(char* pnum)
{
  persistent Paper *pp;
  
  papers.reset_iteration();
  while(pp = (persistent Paper*)(papers.next_iteration())   )  {
    if( !strcmp(pp->pnumber, pnum) )  {
      papers.remove( (persistent Element*)pp );
    }
  }
}


 // print out author info.
void Author::print()
{
  persistent Paper *p;
  int has_papers = 1;

  cout << name << ",  "
       << address << ",  "
       << email << endl;
  cout << "   Papers:\n";

  // print the corresponding papers to each person  
  papers.reset_iteration();
  while (p = (persistent Paper*)papers.next_iteration() )  {
    p->print_details();
    has_papers = 0;
  }
  if (has_papers) {
    cout << "        none\n";
  }
}


/////////////////////////////////////////////////
 // methods for Paper
/////////////////////////////////////////////////

 // Paper constructor.
Paper::Paper(char* p, char* t, char* ca)  {
  strcpy(pnumber, p);
  strcpy(title, t);
  strcpy(corr_author_name, ca);
  strcpy(status, "submitted");
}

 // called from print author
void Paper::print_details()
{
  cout << "        "
       << pnumber << ",  "
       << "\"" << title << "\"  \n";
}

void Paper::print_authors()
{
  persistent Author *pa;
  int author_exists = 0;  // flag whether associatd with real author in db

  authors.reset_iteration();
  while (pa = (persistent Author*)authors.next_iteration() )  {
    author_exists = 1;
    if ( strcmp(pa->name, corr_author_name)==0 )  {
      cout << "(" << pa->name << ")  ";
    }
    else  {
      cout << pa->name << "  ";
    }
  }
  if (!author_exists)  {
    cout << "(" << corr_author_name << ")";
  }
  cout << endl;
}

void Paper::print()
{
  cout << "- "
       << pnumber << ",  "
       << "\"" << title << ",\"  ";
  print_authors();
}

void Paper::change_status(char* new_status)
{
  strcpy(status, new_status);
}

void Paper::add_author(persistent Author *new_author)
{
  authors.add(new_author);
}