car.c

#include <stdio.h>
#include <string.h>
#include "car.h"
#include "conio2.h"
#include <time.h>
#include <stdlib.h>
void addAdmin(){
FILE *fp=fopen("admin.bin","rb");
if(fp==NULL){
    fp=fopen("admin.bin","wb");
    User u[2] = {{"admin","abc","Ramesh"},{"Akash","abc","Md Aftab ahmad"}};
    fwrite(u,sizeof(u),1,fp);
    fclose(fp);
    printf("\nFILE saved!");
    getch();
 }
 else{
    fclose(fp);
 }}
 void addEmployee1(){
FILE *fp1=fopen("employee.bin","rb");
if(fp1==NULL){
    fp1=fopen("employee.bin","wb");

    User e[2] = {{"employee","abc","Ramesh"},{"Akash","abc","Md Aftab ahmad"}};
    fwrite(e,sizeof(e),1,fp1);
    fclose(fp1);
    printf("\nFILE saved!");
    getch();
 }
 else{
    fclose(fp1);
 }}

User * getInput()
{
        int i;
        clrscr();
        textcolor(YELLOW);
        gotoxy(32, 1);
        printf("CAR RENTAL SYSTEM\n");
        for(i = 0; i <= 80; i++)
            printf("%c", 247);
        gotoxy(32, 5);
        printf(" * LOGIN PANEL *");
        gotoxy(1, 7);
        textcolor(LIGHTCYAN);
        for(i = 0; i <= 80; i++)
            printf("%c", 247);
        gotoxy(1,15);
        for(i = 0; i <= 80; i++)
            printf("%c", 247);
        gotoxy(60, 8);
        textcolor(WHITE);
        printf("Press 0 to exit!");
        gotoxy(25, 10);
        textcolor(LIGHTCYAN);
        printf("Enter user id: ");
        fflush(stdin);
        textcolor(WHITE);
        static User usr;
        fgets(usr.userid, 20, stdin);
        char *pos;
        pos = strchr(usr.userid, '\n');
        *pos = '\0';
        if(strcmp(usr.userid, "0") == 0)
        {
            textcolor(LIGHTRED);
            gotoxy(30, 17);
            printf("Login Cancelled!");
            _getch();
            textcolor(YELLOW);
            return NULL;
        }
        gotoxy(25, 11);
        textcolor(LIGHTCYAN);
        printf("Enter password: ");
        fflush(stdin);
        i = 0;
        char ch;
        textcolor(WHITE);
        for(;;)
        {
            ch = _getch();
            if(ch == 13)
            {
                usr.pwd[i] = '\0';
                break;
            }
            else if(ch == 8)
            {
                if(i>0)
                {
                    i--;
                    printf("\b \b");
                }
            }
            else
            {
                usr.pwd[i] = ch;
                i++;
                printf("*");
            }

            /*usr.pwd[i] = _getch();
            if(usr.pwd[i] == 13)
                break;
            printf("*");
            i++;*/
        }
        usr.pwd[i] = '\0';
        if(strcmp(usr.pwd, "0") == 0)
        {
            textcolor(LIGHTRED);
            gotoxy(30, 17);
            printf("Login Cancelled!");
            _getch();
            textcolor(YELLOW);
            return NULL;
        }
        return &usr;

}
int checkUserExist(User u, char*usertype)
{
            if(strcmp(u.userid,"") == 0 || strcmp(u.pwd, "") == 0)
            {
                gotoxy(28,20);
                textcolor(LIGHTRED);
                printf("BOTH FIELDS ARE MANDATORY");
                _getch();
                gotoxy(28,20);
                printf("\t\t\t\t\t\t\t\t\t");
                return 0;

            }
            int found = 0;
            if(!(strcmp(usertype, "admin")))
            {
                FILE *fp = fopen("admin.bin","rb");
                User user;
                while(fread(&user, sizeof(User), 1, fp) == 1)
                {
                    if(strcmp(u.userid, user.userid) == 0 && strcmp(u.pwd, user.pwd) == 0)
                    {
                        found = 1;
                        break;
                    }
                }
                if(!found)
                {
                    gotoxy(27, 20);
                    textcolor(LIGHTGREEN);
                    printf("INVALID USER NAME OR PASSWORD");
                    _getch();
                    fclose(fp);
                    return 0;
                }
                fclose(fp);
                return 1;
            }
            else if(!(strcmp(usertype, "emp")))
            {
                FILE *fp1 = fopen("emp.bin","rb");
                User user;
                while(fread(&user, sizeof(User), 1, fp1) == 1)
                {
                    if(strcmp(u.userid, user.userid) == 0 && strcmp(u.pwd, user.pwd) == 0)
                    {
                        found = 1;
                        break;
                    }
                }
                if(!found)
                {
                    gotoxy(27, 20);
                    textcolor(LIGHTGREEN);
                    printf("INVALID USER NAME OR PASSWORD");
                    _getch();
                    fclose(fp1);
                    return 0;
                }
                fclose(fp1);
                return 1;
            }
}
 int adminMenu()
 {
     int choice, i;
     textcolor(LIGHTGREEN);
     gotoxy(32,2);
     printf("CAR RENTAL SYSTEM");
     textcolor(LIGHTGREEN);
     gotoxy(35, 6);
     printf("ADMIN MENU\n");
     for(i = 0; i < 80; i++)
     {
         printf("*");
     }
     textcolor(YELLOW);
     gotoxy(32, 8);
     printf("1. Add Employee");
     gotoxy(32, 9);
     printf("2. Add Car Details");
     gotoxy(32, 10);
     printf("3. Show Employee");
     gotoxy(32, 11);
     printf("4. Show Car Details");
     gotoxy(32, 12);
     printf("5. Delete Employee");
     gotoxy(32, 13);
     printf("6. Delete Car Details");
     gotoxy(32, 14);
     printf("7. Exit");
     gotoxy(32, 16);
     printf("Enter choice: ");
     scanf("%d", &choice);
     return choice;
 }
 void addEmployee()
 {
     FILE *fp = fopen("emp.bin","rb");
     static int id;
     char uchoice;
     char emp[10] = "EMP-";
     char empid[10];
     User u, ur;
     if(fp == NULL)
     {
         fp = fopen("emp.bin","ab");
         id = 1;
         sprintf(empid, "%d", id);
         strcat(emp, empid);
         strcpy(u.userid, emp);
         strcpy(emp, "EMP-");
     }
     else
     {
         fp = fopen("emp.bin","ab+");
         fseek(fp,-60,SEEK_END);
         fread(&ur, sizeof(ur), 1, fp);
         char sub[3];
         char str[20];
         strcpy(str, ur.userid);
         sub_str(str, sub, '-');
         id = atoi(sub);
         id++;
         sprintf(empid, "%d", id);
         strcat(emp, empid);
         strcpy(u.userid, emp);
         strcpy(emp, "EMP-");
     }
     do
     {
         clrscr();
         gotoxy(32,2);
         textcolor(LIGHTRED);
         printf("CAR RENTAL APP");
         textcolor(LIGHTGREEN);
         int i;
         gotoxy(1,3);
         for(i = 0; i < 80; i++)
         {
             printf("~");
         }
         textcolor(WHITE);
         gotoxy(25,5);
         printf("** ADD EMPLOYEE DETAILS ** ");
         gotoxy(1,8);
         textcolor(YELLOW);
         printf("Enter Employee Name: ");
         fflush(stdin);
         textcolor(WHITE);
         fgets(u.name, 20, stdin);
         char *pos;
         pos = strchr(u.name, '\n');
         *pos = '\0';
         textcolor(YELLOW);
         printf("Enter Employee pwd: ");
         fflush(stdin);
         textcolor(WHITE);
         fgets(u.pwd, 20, stdin);
         pos = strchr(u.pwd, '\n');
         *pos = '\0';
         textcolor(YELLOW);
         fseek(fp, 0,SEEK_END);
         fwrite(&u, sizeof(User), 1, fp);
         gotoxy(30,15);
         textcolor(LIGHTGREEN);
         printf("Employee ADDED SUCCESSFULLY ");
         printf("\n EMPLOYEE ID IS: %s", u.userid);
         _getch();
         gotoxy(1,20);
         textcolor(LIGHTRED);
         printf("DO YOU WANT TO ADD MORE EMPLOYEE(Y/N): ");
         textcolor(WHITE);
         fflush(stdin);
         scanf("%c", &uchoice);
         id++;
         sprintf(empid, "%d", id);
         strcat(emp, empid);
         strcpy(u.userid, emp);
         strcpy(emp, "EMP-");
     }while(uchoice == 'Y' || uchoice == 'y');
     fclose(fp);
 }

void sub_str(char *str, char *sub, char c)
{
    int i, j = 0;
    //int f = 0;
    /*for(i = 0; str[i] != c; i++)
    {
        f++;
    }*/

    for(i = 4; str[i] != '\0'; i++)
    {
        sub[j] = str[i];
        j++;
    }
    sub[j] = '\0';
}

void viewEmployee()
{
    FILE *fp = fopen("emp.bin","rb");
    User ur;
    int i;
    textcolor(YELLOW);
    gotoxy(32,1);
    printf("CAR RENTAL SYSYTEM\n");
    for(i = 0; i < 80; i++)
        printf("%c", 247);
    gotoxy(31,5);
    textcolor(YELLOW);
    printf("* EMPLOYEE DETAILS *");
    gotoxy(1,7);
    textcolor(LIGHTGREEN);
    for(i = 1; i < 80; i++)
        printf("%c", 247);
    gotoxy(1,8);
    printf(" Employee ID\t\t\tName\t\t\tPassword");
    gotoxy(1,9);
    textcolor(LIGHTGREEN);
    for(i = 1; i < 80; i++)
        printf("%c", 247);
    int x = 10;
    textcolor(YELLOW);
    while(fread(&ur, sizeof(ur), 1, fp) == 1)
    {
        gotoxy(2,x);
        printf("%s", ur.userid);
        gotoxy(33, x);
        printf("%s", ur.name);
        gotoxy(57, x);
        printf("%s", ur.pwd);
        x++;
    }
    fclose(fp);
    _getch();
}

int deleteEmp()
{
    FILE *fp1 = fopen("emp.bin","rb");
    char empid[10];
    int i;
    textcolor(YELLOW);
    gotoxy(32,1);
    printf("CAR RENTAL SYSTEM\n");
    for(i = 1; i < 80; i++)
        printf("%c",247);
    gotoxy(29,5);
    textcolor(YELLOW);
    printf("* DELETE EMPLOYEE RECORD *");
    gotoxy(1,7);
    textcolor(LIGHTGREEN);
    for(i =1; i < 80; i++)
        printf("%c",247);
    gotoxy(1,12);
    for(i = 1; i < 80; i++)
        printf("%c", 247);
    if(fp1 == NULL)
    {
        textcolor(LIGHTRED);
        printf("\nNo Employee Added Yet!");
        return -1;
    }
    FILE *fp2 = fopen("temp.bin","wb+");
    gotoxy(10,9);
    textcolor(YELLOW);
    printf("Enter Employee Id to Delete the record: ");
    textcolor(WHITE);
    scanf("%s", empid);
    User U;
    int found = 0;
    while(fread(&U, sizeof(U), 1, fp1) == 1)
    {
        if(strcmp(U.userid, empid) != 0)
            fwrite(&U, sizeof(U), 1, fp2);
        else
            found = 1;
    }
    fclose(fp1);
    if(found == 1)
    {
        rewind(fp2);
        fp1 = fopen("emp.bin","wb");
        while(fread(&U, sizeof(U), 1, fp2) == 1)
            fwrite(&U, sizeof(U), 1, fp1);
        fclose(fp1);
    }
    fclose(fp2);
    remove("temp.bin");
    return found;
}


void addCarDetails()
 {
     FILE *fp = fopen("car.bin","rb");
     static int id;
     char uchoice;
     Car c, cr;
     cr.car_id = 0;
     if(fp == NULL)
     {
         fp = fopen("car.bin","ab");
         id = 1;
         c.car_id = id;
     }
     else
     {
         fp = fopen("car.bin","ab+");
         //fseek(fp,-66,SEEK_END);
         fseek(fp,-sizeof(cr),SEEK_END);
         fread(&cr, sizeof(cr), 1, fp);
         id = cr.car_id;
         id++;
         c.car_id = id;
     }
     do
     {
         clrscr();
         gotoxy(32,2);
         textcolor(LIGHTRED);
         printf("CAR RENTAL APP");
         textcolor(LIGHTGREEN);
         int i;
         gotoxy(1,3);
         for(i = 0; i < 80; i++)
         {
             printf("~");
         }
         textcolor(WHITE);
         gotoxy(25,5);
         printf("** ADD CAR DETAILS ** ");
         textcolor(YELLOW);
         gotoxy(1,8);
         printf("Enter Car Name: ");
         fflush(stdin);
         textcolor(WHITE);
         fgets(c.car_name, 50, stdin);
         char *pos;
         pos = strchr(c.car_name, '\n');
         *pos = '\0';
         textcolor(YELLOW);
         printf("Enter Car Capacity: ");
         textcolor(WHITE);
         scanf("%d", &c.capacity);
         textcolor(YELLOW);
         printf("Enter Car Count: ");
         textcolor(WHITE);
         scanf("%d", &c.car_count);
         textcolor(YELLOW);
         printf("Enter price per day: ");
         textcolor(WHITE);
         scanf("%d", &c.price);
         textcolor(YELLOW);
         fseek(fp, 0,SEEK_END);
         fwrite(&c, sizeof(Car), 1, fp);
         gotoxy(30,15);
         textcolor(LIGHTGREEN);
         printf("Car ADDED SUCCESSFULLY ");
         printf("\n CAR ID IS: %d", c.car_id);
         _getch();
         gotoxy(1,20);
         textcolor(LIGHTRED);
         printf("DO YOU WANT TO ADD MORE EMPLOYEE(Y/N): ");
         textcolor(WHITE);
         fflush(stdin);
         scanf("%c", &uchoice);
         id++;
         c.car_id = id;
     }while(uchoice == 'Y' || uchoice == 'y');
     fclose(fp);
 }

void showCarDetails()
{
    FILE *fp = fopen("car.bin","rb");
    Car c;
    int i;
    textcolor(YELLOW);
    gotoxy(32,1);
    printf("CAR RENTAL SYSYTEM\n");
    for(i = 0; i < 80; i++)
        printf("%c", 247);
    gotoxy(31,5);
    textcolor(YELLOW);
    printf("* CAR DETAILS *");
    gotoxy(1,7);
    textcolor(LIGHTGREEN);
    for(i = 1; i < 80; i++)
        printf("%c", 247);
    gotoxy(1,8);
    printf(" Car ID\t\tName\t\tCapacity\t\tCount\t\tPrice");
    gotoxy(1,9);
    textcolor(LIGHTGREEN);
    for(i = 1; i < 80; i++)
        printf("%c", 247);
    int x = 10;
    textcolor(YELLOW);
    while(fread(&c, sizeof(c), 1, fp) == 1)
    {
        gotoxy(2,x);
        printf("%d", c.car_id);
        gotoxy(17, x);
        printf("%s", c.car_name);
        gotoxy(33, x);
        printf("%d", c.capacity);
        gotoxy(57, x);
        printf("%d", c.car_count);
        gotoxy(73, x);
        printf("%d", c.price);
        x++;
    }
    fclose(fp);
    _getch();
}

int deleteCarModel()
{
    FILE *fp1 = fopen("car.bin","rb");
    int carid;
    int i;
    textcolor(YELLOW);
    gotoxy(32,1);
    printf("CAR RENTAL SYSTEM\n");
    for(i = 1; i < 80; i++)
        printf("%c",247);
    gotoxy(29,5);
    textcolor(YELLOW);
    printf("* DELETE CAR RECORD *");
    gotoxy(1,7);
    textcolor(LIGHTGREEN);
    for(i =1; i < 80; i++)
        printf("%c",247);
    gotoxy(1,12);
    for(i = 1; i < 80; i++)
        printf("%c", 247);
    if(fp1 == NULL)
    {
        textcolor(LIGHTRED);
        printf("\nNo Car Added Yet!");
        return -1;
    }
    FILE *fp2 = fopen("temp.bin","wb+");
    gotoxy(10,9);
    textcolor(YELLOW);
    printf("Enter Car Id to Delete the record: ");
    textcolor(WHITE);
    scanf("%d", &carid);
    Car C;
    int found = 0;
    while(fread(&C, sizeof(C), 1, fp1) == 1)
    {
        if(C.car_id != carid)
            fwrite(&C, sizeof(C), 1, fp2);
        else
            found = 1;
    }
    fclose(fp1);
    if(found == 1)
    {
        rewind(fp2);
        fp1 = fopen("car.bin","wb");
        while(fread(&C, sizeof(C), 1, fp2) == 1)
            fwrite(&C, sizeof(C), 1, fp1);
        fclose(fp1);
    }
    fclose(fp2);
    remove("temp.bin");
    return found;
}

int empMenu()
{
    int choice, i;
    textcolor(LIGHTRED);
    gotoxy(32, 2);
    printf("CAR RENTAL SYSTEM!");
    textcolor(LIGHTGREEN);
    gotoxy(35, 6);
    printf("EMPLOYEE MENU\n");
    for(i = 0; i < 80; i++)
        printf("*");
    textcolor(YELLOW);
    gotoxy(32, 8);
    printf("1. Rent A Car");
    gotoxy(32, 9);
    printf("2. Booking Details");
    gotoxy(32, 10);
    printf("3. Available Car Details");
    gotoxy(32, 11);
    printf("4. Show All Car Details");
    gotoxy(32, 12);
    printf("5. Exit");
    gotoxy(32, 15);
    printf("Enter choice: ");
    textcolor(WHITE);
    scanf("%d", &choice);
    return choice;

}

int selectCarModel()
{
    int flag;
    int choice, x = 9;
    textcolor(YELLOW);
    FILE *fp = fopen("car.bin","rb");
    rewind(fp);
    Car C;
    while(fread(&C, sizeof(C), 1, fp) == 1)
    {
        if(C.car_count > 0)
        {
            printf("%d . %s", C.car_id, C.car_name);
        }
        gotoxy(34, x++);
    }

    gotoxy(34, x+2);
    textcolor(LIGHTGREEN);
    printf("Enter Your Choice: ");
    textcolor(WHITE);
    while(1)
    {
        flag = 0;
        scanf("%d", &choice);
        rewind(fp);
        while(fread(&C, sizeof(C), 1, fp) == 1)
        {
            if(C.car_id == choice && C.car_count > 0)
            {
                flag = 1;
                break;
            }
        }
        if(flag == 1)
        {
            fclose(fp);
            return choice;
        }
        else
        {
            gotoxy(37, x+4);
            textcolor(LIGHTRED);
            printf("Wrong Input");
            _getch();
            gotoxy(35, x+4);
            printf("\t\t");
            gotoxy(52, x+2);
            printf("\t");
            gotoxy(52, x+2);
            textcolor(WHITE);

        }
    }
}

int isValidDate(struct tm dt)
{
    if(dt.tm_year >= 2020 && dt.tm_year <= 2022)
    {
        if(dt.tm_mon >= 1 && dt.tm_mon <= 12)
        {
            if((dt.tm_mday >= 1 && dt.tm_mday <= 31) && (dt.tm_mon == 1 || dt.tm_mon == 3|| dt.tm_mon == 5 || dt.tm_mon == 7 || dt.tm_mon == 8 || dt.tm_mon == 10 || dt.tm_mon == 12))
                return 1;
            else if((dt.tm_mday >= 1 && dt.tm_mday <= 30) && (dt.tm_mon == 4 || dt.tm_mon == 6 || dt.tm_mon == 9 || dt.tm_mon == 11 ))
                return 1;
            else if((dt.tm_mday >=1 && dt.tm_mday <= 28) && (dt.tm_mon == 2))
                return 1;
            else if((dt.tm_mday == 29 && dt.tm_mon == 2) && (dt.tm_year%400 == 0 || (dt.tm_year%4 == 0 && dt.tm_year%100 != 0)))
                return 1;
            else
                return 0;

        }
        else
            return 0;
    }
    else
        return 0;

}

int isValidDate1(struct tm dts, struct tm dte)
{
    if(dts.tm_year == dte.tm_year )
    {
        if(dts.tm_mon == dte.tm_mon)
        {
            if(dte.tm_mday >= dts.tm_mday)
            {
                if((dte.tm_mday == 29 && dte.tm_mon == 2) && (dte.tm_year%400 == 0 || (dte.tm_year%4 == 0 && dte.tm_year%100 != 0)))
                    return 1;
                else if(dte.tm_mday <= 28 && dte.tm_mon == 2)
                    return 1;
                else if((dte.tm_mday <= 31) && (dte.tm_mon == 1 || dte.tm_mon == 3|| dte.tm_mon == 5 || dte.tm_mon == 7 || dte.tm_mon == 8 || dte.tm_mon == 10 || dte.tm_mon == 12))
                    return 1;
                else if((dte.tm_mday <= 30) && (dte.tm_mon == 4 || dte.tm_mon == 6 || dte.tm_mon == 9 || dte.tm_mon == 11 ))
                    return 1;
                else
                    return 0;
            }
            else
                return 0;
        }
        else if(dte.tm_mon > dts.tm_mon)
        {
            if((dte.tm_mday >= 1 && dte.tm_mday <= 31) && (dte.tm_mon == 1 || dte.tm_mon == 3|| dte.tm_mon == 5 || dte.tm_mon == 7 || dte.tm_mon == 8 || dte.tm_mon == 10 || dte.tm_mon == 12))
                return 1;
            else if((dte.tm_mday >= 1 && dte.tm_mday <= 30) && (dte.tm_mon == 4 || dte.tm_mon == 6 || dte.tm_mon == 9 || dte.tm_mon == 11 ))
                return 1;
            else if((dte.tm_mday >=1 && dte.tm_mday <= 28) && (dte.tm_mon == 2))
                return 1;
            else if((dte.tm_mday == 29 && dte.tm_mon == 2) && (dte.tm_year%400 == 0 || (dte.tm_year%4 == 0 && dte.tm_year%100 != 0)))
                return 1;
            else
                return 0;

        }
        else
            return 0;
    }
    else if(dte.tm_year > dts.tm_year && dte.tm_year <= 2022 )
    {
        if(dte.tm_mon >= 1 && dte.tm_mon <= 12)
        {
            if((dte.tm_mday >= 1 && dte.tm_mday <= 31) && (dte.tm_mon == 1 || dte.tm_mon == 3|| dte.tm_mon == 5 || dte.tm_mon == 7 || dte.tm_mon == 8 || dte.tm_mon == 10 || dte.tm_mon == 12))
                return 1;
            else if((dte.tm_mday >= 1 && dte.tm_mday <= 30) && (dte.tm_mon == 4 || dte.tm_mon == 6 || dte.tm_mon == 9 || dte.tm_mon == 11 ))
                return 1;
            else if((dte.tm_mday >=1 && dte.tm_mday <= 28) && (dte.tm_mon == 2))
                return 1;
            else if((dte.tm_mday == 29 && dte.tm_mon == 2) && (dte.tm_year%400 == 0 || (dte.tm_year%4 == 0 && dte.tm_year%100 != 0)))
                return 1;
            else
                return 0;

        }
        else
            return 0;
    }
    else
        return 0;

}

void updateCarCount(int c)
{
    FILE *fp = fopen("car.bin", "rb+");
    Car C;
    while(fread(&C,sizeof(Car), 1, fp) == 1)
    {
        if(C.car_id == c)
        {
            fseek(fp, -8, SEEK_CUR);
            int cc_new = C.car_count - 1;
            fwrite(&cc_new, sizeof(cc_new), 1, fp);
            break;
        }
    }
    fclose(fp);
}

char *getCarName(int car_id)
{
    FILE *fp = fopen("car.bin","rb");
    static Car C;
    while(fread(&C, sizeof(C), 1, fp) == 1)
    {
        if(C.car_id == car_id)
            break;
    }
    fclose(fp);
    return C.car_name;
}

void bookedCarDetails()
{
    clrscr();
    FILE *fp = fopen("customer.bin","rb");
    Customer_Car_Details CC;
    int i;
    textcolor(YELLOW);
    gotoxy(32,1);
    printf("CAR RENTAL SYSTEM!\n");
    for(i = 1; i <= 80; i++)
        printf("%c", 247);
    gotoxy(31,5);
    textcolor(YELLOW);
    printf("BOOKED CAR DETAILS");
    gotoxy(1, 7);
    textcolor(LIGHTGREEN);
    for(i = 1; i <= 80; i++)
        printf("%c", 247);
    gotoxy(1, 8);
    printf("Mode\t   Cust Name\t  Pick Up\t   Drop\t\t S_Date\t     E_Date");
    gotoxy(1, 9);
    textcolor(LIGHTGREEN);
    for(i = 1; i <= 80; i++)
        printf("%c", 247);
    int x = 10;
    textcolor(YELLOW);
    //fseek(fp, -sizeof(CC), SEEK_END);
    while(fread(&CC, sizeof(Customer_Car_Details), 1, fp) == 1)
    {
        gotoxy(1, x);
        printf("%s", getCarName(CC.car_id));
        gotoxy(13, x);
        printf("%s", CC.cust_name);
        gotoxy(27, x);
        printf("%s", CC.pick);
        gotoxy(44, x);
        printf("%s", CC.drop);
        gotoxy(58, x);
        printf("%d-%d-%d", CC.sd.tm_mday, CC.sd.tm_mon, CC.sd.tm_year);
        gotoxy(70, x);
        printf("%d-%d-%d", CC.ed.tm_mday, CC.ed.tm_mon, CC.ed.tm_year);
        x++;
    }
    fclose(fp);
    _getch();

}

int rentCar()
{
    Customer_Car_Details CC;
    char pick[30], drop[30];
    int c, i;
    textcolor(LIGHTRED);
    gotoxy(32, 2);
    printf("CAR RENTAL SYSTEM");
    textcolor(LIGHTGREEN);
    gotoxy(35, 6);
    printf("EMPLOYEE MENU\n");
    for(i = 0; i < 80; i++)
        printf("*");
    textcolor(YELLOW);
    gotoxy(34, 8);
    c = selectCarModel();
    CC.car_id = c;
    clrscr();
    textcolor(LIGHTRED);
    gotoxy(32, 2);
    printf("CAR RENTAL SYSTEM");
    textcolor(LIGHTGREEN);
    gotoxy(35, 6);
    printf("EMPLOYEE MENU\n");
    for(i = 0; i < 80; i++)
        printf("*");
    gotoxy(1, 17);
    for(i = 0; i < 80; i++)
        printf("*");
    textcolor(YELLOW);
    gotoxy(27, 9);
    printf("Enter Customer Name: ");
    fflush(stdin);
    textcolor(WHITE);
    fgets(CC.cust_name, 30, stdin);
    char *pos;
    pos = strchr(CC.cust_name,'\n');
    *pos = '\0';
    gotoxy(27, 10);
    textcolor(YELLOW);
    printf("Enter Pick Up Point: ");
    fflush(stdin);
    textcolor(WHITE);
    fgets(CC.pick, 30, stdin);
    pos = strchr(CC.pick,'\n');
    *pos = '\0';
    gotoxy(27, 11);
    textcolor(YELLOW);
    printf("Enetr Drop Point: ");
    fflush(stdin);
    textcolor(WHITE);
    fgets(CC.drop, 30, stdin);
    pos = strchr(CC.drop,'\n');
    *pos = '\0';
    gotoxy(27, 12);
    textcolor(YELLOW);
    printf("Enter start Date (dd/mm/yyyy): ");
    textcolor(WHITE);
    do
    {
        scanf("%d/%d/%d", &CC.sd.tm_mday, &CC.sd.tm_mon, &CC.sd.tm_year);
        int datevalid = isValidDate(CC.sd);
        if(datevalid == 0)
        {
            gotoxy(27, 18);
            textcolor(LIGHTRED);
            printf("Wrong Date");
            _getch();
            gotoxy(27, 18);
            printf("\t\t");
            gotoxy(58, 12);
            printf("\t\t\t");
            gotoxy(58, 12);
            textcolor(WHITE);
        }
        else
            break;
    }while(1);
    gotoxy(27, 13);
    textcolor(YELLOW);
    printf("Enter end Date (dd/mm/yyyy): ");
    textcolor(WHITE);
    do
    {
        fflush(stdin);
        scanf("%d/%d/%d", &CC.ed.tm_mday, &CC.ed.tm_mon, &CC.ed.tm_year);
        int datevalid = isValidDate1(CC.sd, CC.ed);
        if(datevalid == 0)
        {
            gotoxy(27, 18);
            textcolor(LIGHTRED);
            printf("Wrong Date");
            _getch();
            gotoxy(27, 18);
            printf("\t\t");
            gotoxy(56, 13);
            printf("\t\t\t");
            gotoxy(56, 13);
            textcolor(WHITE);
        }
        else
            break;
    }while(1);
    FILE *fp = fopen("customer.bin", "ab");
    fwrite(&CC, sizeof(Customer_Car_Details), 1, fp);
    printf("\n Press Any Key To Continue......");
    _getch();
    fclose(fp);
    updateCarCount(c);
    bookedCarDetails();
    _getch();
    return 1;
}

void availableCarDetails()
{

    FILE *fp = fopen("car.bin","rb");
    Car c;
    int i;
    textcolor(YELLOW);
    gotoxy(32,1);
    printf("CAR RENTAL SYSYTEM\n");
    for(i = 0; i < 80; i++)
        printf("%c", 247);
    gotoxy(31,5);
    textcolor(YELLOW);
    printf("* AVAILABLE CAR DETAILS *");
    gotoxy(1,7);
    textcolor(LIGHTGREEN);
    for(i = 1; i < 80; i++)
        printf("%c", 247);
    gotoxy(1,8);
    printf(" Car ID\t\tModel\t\tCapacity\tAvailable\tPrice/Day");
    gotoxy(1,9);
    textcolor(LIGHTGREEN);
    for(i = 1; i < 80; i++)
        printf("%c", 247);
    int x = 10;
    textcolor(YELLOW);
    while(fread(&c, sizeof(c), 1, fp) == 1)
    {
        if(c.car_count > 0)
        {
            gotoxy(2,x);
            printf("%d", c.car_id);
            gotoxy(17, x);
            printf("%s", c.car_name);
            gotoxy(33, x);
            printf("%d", c.capacity);
            gotoxy(49, x);
            printf("%d", c.car_count);
            gotoxy(65, x);
            printf("%d", c.price);
            x++;
        }
    }
    fclose(fp);
    _getch();
}

void showAllCarDetails()
{
    FILE *fp = fopen("car.bin","rb");
    Car c;
    int i;
    textcolor(YELLOW);
    gotoxy(32,1);
    printf("CAR RENTAL SYSYTEM\n");
    for(i = 0; i < 80; i++)
        printf("%c", 247);
    gotoxy(31,5);
    textcolor(YELLOW);
    printf("* ALL CAR DETAILS *");
    gotoxy(1,7);
    textcolor(LIGHTGREEN);
    for(i = 1; i < 80; i++)
        printf("%c", 247);
    gotoxy(1,8);
    printf(" Car ID\t\tModel\t\tCapacity\tAvailable\tPrice/Day");
    gotoxy(1,9);
    textcolor(LIGHTGREEN);
    for(i = 1; i < 80; i++)
        printf("%c", 247);
    int x = 10;
    textcolor(YELLOW);
    while(fread(&c, sizeof(c), 1, fp) == 1)
    {
        gotoxy(2,x);
        printf("%d", c.car_id);
        gotoxy(17, x);
        printf("%s", c.car_name);
        gotoxy(33, x);
        printf("%d", c.capacity);
        gotoxy(49, x);
        printf("%d", c.car_count);
        gotoxy(65, x);
        printf("%d", c.price);
        x++;
    }
    fclose(fp);
    _getch();
}