/* Name:Gianaine M. Buaquinia
   TIme: 5:30 - 7:30pm
   problem:User defined function and file handling.
*/
#include<stdio.h>
#include<conio.h>
#include<ctype.h>
#include<string.h>
#include<process.h>

#define g gotoxy
#define p printf
#define s scanf

void writenew(void);
void inputdata(void);
void search(void);
void edit(void);
void browse(void);

int i;
char name[15],pos[15],id[6],id2[6],id3[6],quest,quest1;
float rate,dw,sal,Found=0;
FILE *fp,*dx,*temp,*sub;
main ()
{
    char ch;
    clrscr();
    p("MAIN MENU\n");
    p("[A]\tAdd new record\n");
    p("[B]\tSearch a record\n");
    p("[C]\tBrowse a record\n");
    p("[X]\tExit\n");
    p("Enter your choice:");

    while (ch!='A'||'X')
    {
    ch=toupper(getche());
    g (19,6);
    clreol();

        switch (ch)
    {
        case 'A':
        {
        writenew();
        getch();
        main();
        }
        break;
        case 'B':
        {
        search();
        getch();
        main();
        }
        break;
        case 'C':
        {
        browse();
        getch();
        main();
        }
        break;
        case'X':
        {
        return 0;
        }
    }
    }
        getch();
    main ();
}

    void writenew(void)
    {


        clrscr();
        fp=fopen("e:\\file.txt","a+");

        inputdata();
        fprintf(fp,"\n%s\t%s\t%s\t%0.2f\t%0.2f\t%0.2f\n",id,name,pos,rate,dw,sal);
        dx=fopen("e:\\file.txt","r");

        while(!feof(dx)&&Found==0)
            {
        fscanf(dx," %s %s %f %f %f",&id,&name,pos,rate,dw,sal);
            }
        fclose (fp);
        fclose (dx);


getch();
main();
    }
        void inputdata(void)
    {
        clrscr();
        p("ID number :");
        s("%s",&id);
        p("Name       :");
        s("%s",&name);
        p("Position   :");
        s("%s",&pos);
        p("Rate\Day    :");
        s("%f",&rate);
        p("Days worked:");
        s("%f",&dw);
        sal=dw*rate;
        p("Salary     :P%0.2f",sal);
    }

        void browse(void)
    {
        clrscr();
        g(1,1);
        p("Employee number");
        g(17,1);
        p("Name");
        g(35,1);
        p("Position");
        g(45,1);
        p("Rate/Day");
        g(55,1);
        p("Days Worked");
        g(70,1);
        p("Salary");
         if((fp=fopen("e:\\file.txt","r"))== NULL)
         p("\nFile is empty.");
         else
        {
        while(!feof(fp))
        {
        fscanf(fp,"%s\t %s\t %s\t %f\t %f\t %f\t",&id,&name,&pos,&rate,&dw,&sal);
        if(feof(fp))
        break;
        i=3;
        g(1,i);  p("%s",id);
        g(17,i); p("%s",name);
        g(35,i); p("%s",pos);
        g(45,i); p("%0.2f",rate);
        g(55,i); p("%0.2f",dw);
        g(70,i); p("%0.2f",sal);
        i++;
        }


        p("\nEnd of File, press any key to exit.");
        fclose(fp);
        getch();
}

}
        void search(void)
    {

        do{
        clrscr();
        if((fp=fopen("e:\\file.txt","r"))== NULL)
        p("\nFile is empty.");
        else
        {
        p("Enter id number to search: ");
        s("%s",&id2);
        clrscr();
        while(!feof(fp)&&Found==0)
        {
        fscanf(fp,"%s\t %s\t %s\t %f\t %f\t %f\t",&id,&name,&pos,&rate,&dw,&sal);
        if(strcmp(id2,id)==0)
        Found=1;
        }
        if(Found)
        {
        g(1,1);
        p("Employee number");
        g(17,1);
        p("Name");
        g(35,1);
        p("Position");
        g(45,1);
        p("Rate/Day");
        g(55,1);
        p("Days Worked");
        g(70,1);
        p("Salary");
        i=3;
        g(1,i);  p("%s",id);
        g(17,i); p("%s",name);
        g(35,i); p("%s",pos);
        g(45,i); p("%0.2f",rate);
        g(55,i); p("%0.2f",dw);
        g(70,i); p("%0.2f",sal);
        i++;
        }
        else
        p("\nFile not Found!");
        }
        Found=0;
         fclose(fp);
        p("\nPress E to edit\n");
        p("Press D to delete");
        s("%s",&quest1);
        while (quest1!='E'||'D')
    {
        quest1=toupper(getche());
        g (19,6);
        clreol();

        switch (quest1)
    {
        case 'E':
        {

        getch();
        main();
        }
        break;
        case 'D':
        {

        getch();
        main();
        }
        break;

        case'X':
        {
        exit(0);
        }
    }
    }

         p("\nWould you like to search more?[Y/N]");
         s("%s",&quest);
         }while(quest=='y'||quest=='Y');

         }