#include<stdio.h>
#include<stdlib.h>
struct doct
{
    char n[100];

    char s[100];
    int a;
    char add[100];
    int ph;
    int r;
    char avd[100];
    char del[10];//delete

} d[20];

int pos[100],k;


void display1(int a1,int a2)
{
    FILE *file;
    file = fopen("dipu.txt","w+");
    system("cls");
    for (a1=0; a1<a2; a1++)
    {
        if(pos[a1]==1) continue;
        printf("\nName:%s  Address:%s  Age:%d  Section:%s  Phone_no:%d  Reg:%d\n ",d[a1].n,d[a1].add,d[a1].a,d[a1].s,d[a1].ph,d[a1].r);
        fprintf(file,"\nName:%s  Address:%s  Age:%d  Section:%s  Phone_no:%d  Reg:%d\n ",d[a1].n,d[a1].add,d[a1].a,d[a1].s,d[a1].ph,d[a1].r);

    }



}

void display2(int b1,int b2)
{
    FILE *file;
    file = fopen("dipu.txt","w+");
    int L;
    system("cls");
    printf("search any doctor's personal information:\n");
    printf("\t\t\t\t\tenter reg no:");

    scanf("%d",&L);
    for(b1=0; b1<b2; b1++)
    {
        if(L==d[b1].r)
        {
            printf("\nName:%s  Address:%s  Age:%d  Section:%s  Phone_no:%d  Reg:%d\n ",d[b1].n,d[b1].add,d[b1].a,d[b1].s,d[b1].ph,d[b1].r);
            fprintf(file,"\nName:%s  Address:%s  Age:%d  Section:%s  Phone_no:%d  Reg:%d\n ",d[b1].n,d[b1].add,d[b1].a,d[b1].s,d[b1].ph,d[b1].r);

        }

    }

}
void display3(int c1,int c2)
{
    FILE *file;
    file = fopen("dipu.txt","w+");
    int T;
    system("cls");
    printf("please enter reg no to search doctors available date:");
    scanf("%d",&T);
    for(c1=0; c1<c2; c1++)
    {
        if(T==d[c1].r)
        {

            printf("The available date is=%s\n",d[c1].avd);

        }
    }

}

void display4(int d1,int d2)

{
    int position;
    printf("please enter the doctor's location  that u want to be deleted: ");
    scanf("%d",&position);
    int cnt=0,j;
    for(j=0;j<k;j++)
    {
      if(pos[j]==0) cnt++;
      if(cnt==position) {
         pos[j]=1;
         //printf("please\n");
       break;
      }
    }

}

main()
{
    FILE *file;
    file = fopen("dipu.txt","w+");
    int v,p,i,c,y;




    printf("\t\t\t\t\tKHULNA MEDICAL COLLEGE HOSPITAL\n");
    printf("\t\t\t\t\t    Welcome to our site\n");
    fprintf(file,"\t\t\t\t\tKHULNA MEDICAL COLLEGE HOSPITAL\n");
    fprintf(file,"\t\t\t\t\t    Welcome to our site\n");

next:

    printf("\n\t\tEnter password to access the system....(4 digit must..) = ");
    scanf("%d",&p);



    if(p==2587)//passward 2587
    {
        goto loop;
        system("cls");
    }


    else
    {
        printf("incorrect password...try again....:");
        goto next;

    }


loop:


    system("cls");
    while (1)
    {
        printf("\n\n\t\tplease enter '1' to get doctors data:\n");
        printf("\t\tplease enter '2' to show doctors data:\n");
        printf("\t\tplease enter '3' to search any doctors data:\n");
        printf("\t\tplease enter '4' to search any doctors available date:\n");
        printf("\t\tplease enter '5' to delete any doctor's data:\n");
        printf("\t\tplease enter '6' to exit program:\n");
        printf("\t\tEnter your choice :");
        scanf("%d",&c);

        switch(c)
        {

        case 1:
            system("cls");

            printf("\n\n\t\tEnter doctor name :");
            scanf("%s",d[k].n);
            printf("\t\tEnter doctor address :");
            scanf("%s",d[k].add);
            printf("\t\tEnter doctor age :");
            scanf("%d",&d[k].a);
            printf("\t\tEnter section :");
            scanf("%s",d[k].s);
            printf("\t\tEnter phone number :");
            scanf("%d",&d[k].ph);
            printf("\t\tEnter registration number :");
            scanf("%d",&d[k].r);
            printf("\t\tEnter available date :");
            scanf("%s",d[k].avd);


            k++;

            break;

        case 2:

            display1(i,k);
            break;

        case 3:
            display2(i,k);

            break;

        case 4:

            display3(i,k);



            break;
        case 5:

            display4(i,k);

            break;

        case 6:
        {
            exit(0);
        }


        }
    }

    fclose(file);
}