hotel

#include<stdio.h>
#include<conio.h>
#include<ctype.h>
#include<windows.h>
#include<stdlib.h>
#include<time.h>

void add();  //FUNCTIONS
void list();
void edit();  //GLOBALLY DECLARED FUNCTIONS N VARIABLE
void delete1();
void search();


void login()
{

    int a=0,i=0;
    char uname[10],c=' ';
    char pword[10],code[10];
    char user[10]="jms210";
    char pass[10]="210210";
    do
{
    system("cls");

    printf("\n  **************************  LOGIN FORM  **************************  ");
    printf(" \n                       ENTER USERNAME:-");
    scanf("%s", &uname);
    printf(" \n                       ENTER PASSWORD:-");
    while(i<10)
    {
        pword[i]=getch();
        c=pword[i];
        if(c==13) break;
        else printf("*");
        i++;
    }
    pword[i]='\0';
    //char code=pword;
    i=0;
    //scanf("%s",&pword);
        if(strcmp(uname,user)==0 && strcmp(pword,pass)==0)
    {
    printf("  \n\n\n       WELCOME !!!! LOGIN IS SUCCESSFUL");

    break;
    }
    else
    {
        printf("\n        SORRY !!!!  LOGIN IS UNSUCESSFUL");
        a++;

        getch();

    }
}
    while(a<=2);
    if (a>2)
    {
        printf("\nSorry you have entered the wrong username and password for four times!!!");

        getch();

        }
        system("cls");
}

struct CustomerDetails   //STRUCTURE DECLARATION
{
    char roomnumber[10];
    char name[20];
    char address[25];
    char phonenumber[15];
    char nationality[15];
    //char email[20];
    char period[10];
    char arrivaldate[10];
}s;

int main(){     // MAIN FUNCTION
    int i=0;

    time_t t;
    time(&t);
    char customername;
    char choice;

    system("cls");   // FOR CLEARING SCREEN
    //setcolor(15);

    printf("\t\t*************************************************\n");
    printf("\t\t*                                               *\n");
    printf("\t\t*       -----------------------------           *\n");
    printf("\t\t*         WELCOME TO HOTEL JMS210               *\n");
    printf("\t\t*       -----------------------------           *\n");
    printf("\t\t*                                               *\n");
    printf("\t\t*                                               *\n");
    printf("\t\t*                                               *\n");
    printf("\t\t*                                               *\n");
    printf("\t\t*                                               *\n");
    printf("\t\t*           CONTACT US:01761611116              *\n");
    printf("\t\t*************************************************\n\n\n");
        for(i=0;i<80;i++)
        printf("-");
        printf("\nCurrent date and time : %s",ctime(&t));
        for(i=0;i<80;i++)
        printf("-");
    printf(" \n Press any key to continue:");

    getch();
    system("cls");
    login();
    system("cls");
    while (1)      // INFINITE LOOP
    {
        system("cls");
        //setcolor(10);
         for(i=0;i<80;i++)
        printf("-");
        printf("\n");
        printf("   ******************************  |MAIN MENU|  ***************************** \n");
        for(i=0;i<80;i++)
        printf("-");
        printf("\n");
        //setcolor(10);
        printf("\t\t *Please enter your choice for menu*:");
        printf("\n\n");
        printf(" \n Enter 1 -> Book a room");
        printf("\n------------------------");
        printf(" \n Enter 2 -> View Customer Record");
        printf("\n----------------------------------");
        printf(" \n Enter 3 -> Delete Customer Record");
        printf("\n-----------------------------------");
        printf(" \n Enter 4 -> Search Customer Record");
        printf("\n-----------------------------------");
        printf(" \n Enter 5 -> Edit Record");
        printf("\n-----------------------");
        printf(" \n Enter 6 -> Exit");
        printf("\n-----------------");
        printf("\n");
        for(i=0;i<80;i++)
        printf("-");
        printf("\nCurrent date and time : %s",ctime(&t));
        for(i=0;i<80;i++)
        printf("-");

        choice=getche();
        choice=toupper(choice);
        switch(choice)           // SWITCH STATEMENT
        {
            case '1':
                add();break;
            case '2':
                list();break;
            case '3':
                delete1();break;
            case '4':
                search();break;
            case '5':
                edit();break;
            case '6':
                system("cls");
                printf("\n\n\t *****THANK YOU*****");
                printf("\n\t FOR TRUSTING OUR SERVICE");
            //  Sleep(2000);
                exit(0);
                break;
            default:
                system("cls");
                printf("Incorrect Input");
                printf("\n Press any key to continue");
                getch();
        }
    }
}
int availability(int room)
{
    FILE *file=fopen("abc.txt","r");
    FILE *file2=fopen("abc2.txt","w");
    char line[100],avail[100];
    char d1,d2;
    int num,b=0;
    while (fgets(line, sizeof(line), file) != NULL)
    {

        sscanf(line,"%c %d %c %s",&d1,&num,&d2,avail);
        if(num==room)
        {
            char news[100]="not available";

            if(avail[0]=='a')
            {
                int k,j;
                for(k=8,j=0;j<strlen(news);j++,k++)
                {
                    line[k]=news[j];

                }
                line[k]='\n';
                line[k+1]='\0';

                fputs(line,file2);
                b=1;
            }
            else
            {
                fputs(line,file2);
            }

        }
        else
            fputs(line,file2);
    }
    fclose(file);
    fclose(file2);
    remove("abc.txt");
    rename("abc2.txt","abc.txt");
    return b;
}
void add()
{
    FILE *f;
    char test;
    f=fopen("add.txt","a+");
    if(f==0)
    {   f=fopen("add.txt","w+");
        system("cls");
        printf("Please hold on while we set our database in your computer!!");
        printf("\n Process completed press any key to continue!! ");
        getch();
    }
    while(1)
    {
        system("cls");
        printf("\n Enter Customer Details:");
        printf("\n**************************");


        while(1)
        {
            printf("\n Enter Room number:\n");
            scanf("\n%s",s.roomnumber);
            int te=atoi(s.roomnumber);
            fflush(stdin);
            int r=availability(te);
            if(r==1)break;
            else printf("\n Room not available\n");

        }
        printf("Enter Name:\n");
        scanf("%s",s.name);
        printf("Enter Address:\n");
        scanf("%s",s.address);
        printf("Enter Phone Number:\n");
        scanf("%s",s.phonenumber);
        printf("Enter Nationality:\n");
        scanf("%s",s.nationality);
        //printf("Enter Email:\n");
        //scanf(" %s",s.email);
        printf("Enter Period(\'x\'days):\n");
        scanf("%s",&s.period);
        printf("Enter Arrival date(dd\\mm\\yyyy):\n");
        scanf("%s",&s.arrivaldate);
        fwrite(&s,sizeof(s),1,f);
        fflush(stdin);
        printf("\n\n1 Room is successfully booked!!");
        printf("\n Press esc key to exit,  any other key to add another customer detail:");
        test=getche();
        if(test==27)
            break;

    }
    fclose(f);
}

void list()
{
    FILE *f;
    int i;
    if((f=fopen("add.txt","r"))==NULL)
        exit(0);
    system("cls");
    printf("ROOM    ");
    printf("NAME\t ");
    printf("\tADDRESS ");
    printf("\tPHONENUMBER ");
    printf("\tNATIONALITY ");
    //printf("\tEMAIL ");
    printf("\t\t  PERIOD ");
    printf("\t ARRIVALDATE \n");

    for(i=0;i<118;i++)
        printf("-");
    while(fread(&s,sizeof(s),1,f)==1)
    {
        /*printf("ROOMNUMBER :\t%s\n",s.roomnumber);
        printf("NAME:\t%s\n",,s.name);
        printf("ADDRESS:\t%s\n",s.address);
        printf("PHONENUMBER:\t%s\n",s.phonenumber);
        printf("NATIONALITY \n");*/
        printf("\n%s \t%s \t\t%s \t\t%s \t%s  \t%s  \t     %s  \t  %s",s.roomnumber, s.name , s.address , s.phonenumber , s.nationality, s.period,  s.arrivaldate);
    }
    printf("\n");
    for(i=0;i<118;i++)
        printf("-");

    fclose(f);
    getch();
}

void delete1()
{
    FILE *f,*t;
    int i=1;
    char roomnumber[20];
    if((t=fopen("temp.txt","w"))==NULL)
    exit(0);
    if((f=fopen("add.txt","r"))==NULL)
    exit(0);
    system("cls");
    printf("Enter the Room Number of the hotel to be deleted from the database: \n");
    fflush(stdin);
    scanf("%s",roomnumber);
    while(fread(&s,sizeof(s),1,f)==1)
    {
        if(strcmp(s.roomnumber,roomnumber)==0)
        {       i=0;
            continue;
        }
        else
            fwrite(&s,sizeof(s),1,t);
    }
    if(i==1)
    {
        printf("\n\n Records of Customer in this  Room number is not found!!");
        //remove("E:/file.txt");
       //rename("E:/temp.txt","E:/file.txt");
        getch();
        fclose(f);
        fclose(t);
        main();
    }
    fclose(f);
    fclose(t);
    remove("add.txt");
    rename("temp.txt","add.txt");
    printf("\n\nThe Customer is successfully removed....");
    fclose(f);
    fclose(t);
    getch();
}

void search()
{
system("cls");
    FILE *f;
    char roomnumber[20];
    int flag=1;
    f=fopen("add.txt","r+");
    if(f==0)
        exit(0);
    fflush(stdin);
    printf("Enter Room number of the customer to search its details: \n");
    scanf("%s", roomnumber);
    while(fread(&s,sizeof(s),1,f)==1)
    {
        if(strcmp(s.roomnumber,roomnumber)==0){
            flag=0;
            printf("\n\tRecord Found\n ");
            printf("\nRoom Number:\t%s",s.roomnumber);
            printf("\nName:\t%s",s.name);
            printf("\nAddress:\t%s",s.address);
            printf("\nPhone number:\t%s",s.phonenumber);
            printf("\nNationality:\t%s",s.nationality);
            //printf("\nEmail:\t%s",s.email);
            printf("\nPeriod:\t%s",s.period);
            printf("\nArrival date:\t%s",s.arrivaldate);
            flag=0;
            break;
        }
    }
    if(flag==1){
        printf("\n\tRequested Customer could not be found!");
    }
    getch();
    fclose(f);
}

void edit()
{
    FILE *f;
    int k=1;
    char roomnumber[20];
    long int size=sizeof(s);
    if((f=fopen("add.txt","r+"))==NULL)
        exit(0);
    system("cls");
    printf("Enter Room number of the customer to edit:\n\n");
    scanf("%[^\n]",roomnumber);
    fflush(stdin);
    while(fread(&s,sizeof(s),1,f)==1)
    {
        if(strcmp(s.roomnumber,roomnumber)==0)
        {
            k=0;
            printf("\nEnter Room Number     :");
            gets(s.roomnumber);
            printf("\nEnter Name    :");
            fflush(stdin);
            scanf("%s",&s.name);
            printf("\nEnter Address        :");
            scanf("%s",&s.address);
            printf("\nEnter Phone number :");
            scanf("%f",&s.phonenumber);
            printf("\nEnter Nationality :");
            scanf("%s",&s.nationality);
            //printf("\nEnter Email :");
            //scanf("%s",&s.email);
            printf("\nEnter Period :");
            scanf("%s",&s.period);
            printf("\nEnter Arrival date :");
            scanf("%s",&s.arrivaldate);
            fseek(f,size,SEEK_CUR);  //to go to desired position infile
            fwrite(&s,sizeof(s),1,f);
            break;
        }
    }
    if(k==1){
        printf("\n\nTHE RECORD DOESN'T EXIST!!!!");
        fclose(f);
        getch();
    }else{
    fclose(f);
    printf("\n\n\t\tYOUR RECORD IS SUCCESSFULLY EDITED!!!");
    getch();
}
}