#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<stdlib.h>
#define MAX 10
#define LINESIZE 256

struct resource
{
char res_type[12];
char res_name[25];
char res_loc[30];
int res_pri;
}res[MAX];
int store(char *ip_add,int g_id,char *g_name,struct resource res[],int n);

int FindStr(FILE *f, char *str);

main()
{
int g_id,i=0,choice,nor,j,status,gi=0,st=0,en=0;
char *g_name,*ip_add;
FILE *fp;



g_name=(char *)malloc(sizeof(char) * (MAX+1));
ip_add=(char *)malloc(sizeof(char) * (16));
printf("\nEnter the Following Data...\n");
printf("\nEnter Node IP Address:");
scanf("%s",ip_add);
printf("Enter g_id:");
scanf("%d",&g_id);
printf("Enter g_name:");
scanf("%s",g_name);
printf("Enter the resources...\n");

do
{
printf("Enter %d res_type:",i+1);
scanf("%s",res[i].res_type);

printf("Enter %d res_name:",i+1);
scanf("%s",res[i].res_name);

printf("Enter %d res_location:",i+1);
scanf("%s",res[i].res_loc);

printf("Enter %d res_priority:",i+1);
scanf("%d",&res[i].res_pri);


printf("\nDo u want to add another resource?\n 1.Yes\n2.N0\n:");
scanf("%d",&choice);

i++;
}while(choice==1);
nor=i-1;
j=0;


status=store(ip_add,g_id,g_name,res,nor);
if(status==0)
printf("\nfile updated successfully...\n");
else
printf("\nUpdate failed...\n");

 const char sbase[] = "#gid";
 const char ebase[] = "@gid";
 char start [10],end[10];
 //read the group id to be fetched
 printf("Enter the Group id to be fetched:");
 scanf("%d",&gi) ;
 sprintf(start, "%s%d", sbase, gi);
 printf("start = \"%s\"\n", start);
 sprintf(end, "%s%d", ebase, gi);
 printf("end = \"%s\"\n", end);
 fp=fopen("config.ini","r");

 st=FindStr(fp, start);
 en=FindStr(fp, end);
 printf("\nStart position:%d",st);
 printf("\nEnd position:%d",en);




}


struct group
{
char ip_add[25];
int g_id;
char g_name[25];
struct resource res[];
}g;

int store(char *ip_add,int g_id,char *g_name,struct resource res[],int n)
{
FILE *fp;
int i=0,j=0;
//ip_add=(char *)malloc(sizeof(char) * (MAX+1));
fp=fopen("config.ini","a");
if (fp==NULL)
{
printf("cannot open file");
return 1;
}
else
{
strcpy(g.ip_add,ip_add);
g.g_id=g_id;
strcpy(g.g_name,g_name);

while(i<=n)
{
//g.res[i].res_type=res[i].res_type;
strcpy(g.res[i].res_type,res[i].res_type);
strcpy(g.res[i].res_name,res[i].res_name);
strcpy(g.res[i].res_loc,res[i].res_loc);
g.res[i].res_pri=res[i].res_pri;
i++;
}



fprintf(fp,"\nIP_Address:%s",g.ip_add);
fprintf(fp,"\n#gid%d:",g.g_id);
fprintf(fp,"%s",g.g_name);

while(j<=n)
{
fprintf(fp,"\nRes-info$:;");
fprintf(fp,"%s;",g.res[j].res_type);
fprintf(fp,"%s;",g.res[j].res_name);
fprintf(fp,"%s;",g.res[j].res_loc);
fprintf(fp,"%d:",g.res[j].res_pri);
j++;
}
fprintf(fp,"\n@gid%d",g.g_id);
fclose(fp);
return 0;
}


}


int FindStr(FILE *f, char *str)
{
 int s_pos; //string position in the text
 int c_pos; //char position in the text
 char *string;
 char ccnt; //char count
 
 s_pos = -1;
 c_pos = 0;
 string = malloc(strlen(str));
 while (!feof(f))
  {
   if (c_pos == 0)
    for (ccnt = 1; ccnt <= strlen(str); ccnt++)
     if (!feof(f))
      string[ccnt - 1] = getc(f);

   if (c_pos != 0)
    if (!feof(f))
     {
      for (ccnt = 0; ccnt <= strlen(str) - 2; ccnt++)
       string[ccnt] = string[ccnt + 1]; 
      string[strlen(str) - 1] = getc(f);
     }  
   if (strcmp(string, str) == 0)
    {
     s_pos = c_pos;
     break;
    }   
   c_pos++;
  }
 return(s_pos);
}