/* Person.cpp */

#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <a:\person.h>

Person::Person(void)
{
   emptyvalues();
}

Person::Person(char* ln, int a)
{
   emptyvalues();
   strcpy(lastname, ln);
   age = a;
}

Person::Person(char* ln, char* fn, int a, float f)
{
   emptyvalues();
   strcpy(lastname, ln);
   strcpy(firstname, fn);
   age = a;
   worth = f;
}

void Person::emptyvalues(void)
{
   lastname[0] = '\0';
   firstname[0] = '\0';
   age = 0;
   worth = 0;
}

char* Person::display(void)
{
   static char temp[256];
   sprintf(temp, "Last Name '%s',\nFirst Name '%s',\nAge '%d',\nNet Worth $ %1.2f.\n",lastname, firstname, age, worth);
   return temp;
}

int Person::update(char* data)
{
   char temp[1024] = "\0";
   char* ptr = NULL;
   int err = 0;

   strcpy(temp, data);

   ptr = strtok(temp, "\n");
   if (ptr == NULL) return -1;
   err = isalpha(*ptr); /* err check ptr */
   if (err == 0) return 1;
   strcpy(lastname, ptr);

   ptr = strtok(NULL, "\n");
   if (ptr == NULL) return -1;
   err = isalpha(*ptr);   /* err check ptr */
   if (err == 0) return 1;
   strcpy(firstname, ptr);

   ptr = strtok(NULL, "\n");
   if (ptr == NULL) return -1;
   err = isdigit(*ptr);   /* err check ptr */
   if (err == 0) return 1;
   age = atoi (ptr);

   ptr = strtok(NULL, "\n");
   if (ptr == NULL) return -1;
   /* err check ptr */
   /* use valsdec */
   worth = (float) atof(ptr);

   return 0;
}