/* Contestant Database */
#include <iostream>
#include <string>
#include <fstream>
using namespace std;

//constant definitions
const int MAX_NUM_CONTESTANTS = 50;

//class definitions
class Name {
  public:
    string last;
    string first;
};

class Job_info {
  public:
    string title;
    double salary;
};

class Personal_info {
  public:
    char gender;
    string haircolor;
    int age;
    Job_info job;
};

class Contestant{
    Name name;
    Personal_info personal;
  public:
    // member functions
    bool readData(ifstream &cfile);
    void printData(ofstream &dbfile);
    bool compareAge(int agewanted);
};

// Function Prototypes
void readdata(Contestant[], int &);
void printdata(Contestant[], int);
void printmenu(void);
void findage(Contestant[], int);
void findgender(Contestant[], int);
void findhair(Contestant[], int);
void findtitle(Contestant[], int);
void findsalary(Contestant[], int);
void pause(void);

int main()
{
    Contestant contestant[MAX_NUM_CONTESTANTS];
    int num;
    char choice;
    bool not_done = true;

    /* first part */
    /* fill and print database */
    readdata(contestant,num);
    printdata(contestant,num);

    /* second part */
    /* call functions to read and process requests */
    do {
        printmenu();
        cin >> choice;
        switch(choice)
        {
            case 'q':
            case 'Q':
                not_done = false;
                break;
            case 'a':
            case 'A':
                findage(contestant,num);
                break;
            case 'g':
            case 'G':
                findgender(contestant,num);
                break;
            case 'h':
            case 'H':
                findhair(contestant,num);
                break;
            case 't':
            case 'T':
                findtitle(contestant,num);
                break;
            case 's':
            case 'S':
                findsalary(contestant,num);
                break;
            default:
                cout << "Invalid choice - try again\n\n";
                break;
        }
    } while (not_done);

    //system("pause");                  //un-comment if using devC++
    return 0;
}

/* Function readdata() */
void readdata(Contestant contestant[], int &count)
{
    // open input file
    ifstream cfile("c:\\bc\\cis1_5\\newpgms\\chapter10\\myinput.txt"); //comment-out for debugging
//  ifstream cfile("con");              //un-comment for debugging

    count = 0;                          //initialize count

    while (contestant[count].readData(cfile))
        count++;

    cfile.close();
    return;
}

/* Function printdata: */
void printdata(Contestant contestant[], int num)
{
    // open output file
//  ofstream dbfile("c:\\bc\\cis1_5\\newpgms\\chapter10\\myoutput.txt"); //comment-out for debugging
    ofstream dbfile("con");             //un-comment for debugging

    dbfile << "\t\tContestants in the Database\n\n";
    dbfile << "Name\t\tGender\tHair\tAge\tTitle\tSalary\n\n";

    for (int count = 0; count < num; count++)
        contestant[count].printData(dbfile);

    dbfile.close();
    return;
}

/* Function printmenu() */
void printmenu(void)
{
    cout << endl << endl;
    cout << "To obtain a list of contestants with a given\n";
    cout << "trait, select a trait from the list and type in\n";
    cout << "the letter corresponding to that trait.\n\n";
    cout << "To quit, select Q.\n\n";
    cout << "\t****************************\n";
    cout << "\t    List of Choices         \n";
    cout << "\t****************************\n";
    cout << "\t     Q -- quit\n";
    cout << "\t     A -- age\n";
    cout << "\t     G -- gender\n";
    cout << "\t     H -- hair color\n";
    cout << "\t     T -- title\n";
    cout << "\t     S -- salary\n";
    cout << endl << endl <<"\tEnter your selection: ";
    return;
}

/* Function findage() */
void findage(Contestant contestant[], int num)  // add to main
{
    int agewanted,found=0;

    cout << "\n\nEnter the age you want: ";
    cin >> agewanted;
    cout << "\nContestants whose age is " <<agewanted<<"\n\n";
    for (int count = 0; count < num; count++)
        if (contestant[count].compareAge(agewanted))
            found++;
    if (!found)
        cout << "No contestants of this age\n\n";
    else
        cout << endl << found << " contestants found\n";

    // give user a chance to look at output before printing menu
    pause();

    return;
}

/* Function pause() */
void pause(void)
{
    system("pause");
    return;
}

void findgender(Contestant[], int)
{
}

void findhair(Contestant[], int)
{
}

void findtitle(Contestant[], int)
{
}

void findsalary(Contestant[], int)
{
}

/* Member Function readData() */
/* Contestant member function readData():
 * Input:
 *  cfile - a reference to the input file
 * Process:
 *  read the input file and load the object's data members
 * Output:
 *  return true if file is read and object fields loaded
 *  else return false if EOF reached.
 */
bool Contestant::readData(ifstream &cfile)
{
    if (cfile >> name.last)
    {
        cfile >> name.first;
        cfile >> personal.gender;
        cfile >> personal.haircolor;
        cfile >> personal.age;
        cfile >> personal.job.title;
        cfile >> personal.job.salary;
        return true;
    }
    return false;
}

/* Member Function printData: */
/* Contestant member function printData():
 * Input:
 *  dbfile - a reference to the output file
 * Process:
 *  write the object's data members to the output file
 * Output:
 *  the written data members of the object
 */
void Contestant::printData(ofstream &dbfile)
{
    dbfile.setf(ios::fixed,ios::floatfield);
    dbfile.precision(2);                          //set decimal precision

    dbfile << name.first;
    dbfile << "\t" << name.last;
    dbfile << "\t" << personal.gender;
    dbfile << "\t" << personal.haircolor;
    dbfile << "\t" << personal.age;
    dbfile << "\t" << personal.job.title;
    dbfile << "\t";
    dbfile.width(9);
    dbfile << personal.job.salary;
    dbfile << endl;

    return;
}

/* Member Function compareAge() */
/* Contestant member function compareAge():
 * Input:
 *  agewanted - age wanted
 * Process:
 *  compare agewanted to the object's age
 * Output:
 *  if ages are the same, print the object's name and return true
 *  else return false
 */
bool Contestant::compareAge(int agewanted)
{
    if (personal.age == agewanted)
    {
        cout << name.first << " " << name.last << endl;
        return true;
    }
    return false;
}