gistfile1.txt

/*
To-do list :
(type)(expression) ( Ep kieu )
expression1?expression2:expression3
printf %[flags][width][.precision][length]specifier
scanf %[*][width][length]specifier
name of array = &array[0]
fflush(stdin)
*/
//MY FIRST PROJECT : ATM SIMULATION SYSTEM IN C
#include <unistd.h> // For sleep
#include <windows.h> // For sleep ???
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <string.h> // For string
#include "main.h" // File header that contains prototypes
typedef struct AccountData
{
    char ID[IDsize],PIN[PINsize]; // ID's size is bigger than usual ???
    unsigned long balance;
} Data;
Data *account;
int accountCount = 0, loginAccount = 0, receiveAccount = 0, loginStatus = 0,session = 0;
unsigned long newbalancelogin, newbalancereceive;
int languageChoice;
void GetData()
{
    char ch;
    int i = 0;
    FILE *f;
    f = fopen(FILENAME,"r");
    if (f == NULL)
    {
        printf("Can not get data");
        perror("Error");
    }
    while (!feof(f))
    {
        ch=fgetc(f);
        if (ch=='\n' && session == 0) accountCount++;  /* i++!=++i
								Supposing i=1
                            	if j=i++ then j=1, i=2
                            	if j=++i then j=2, i=2
                            	*/
    }
    session = 1;
    // printf("Line count: %d\n",accountCount+1); //For testing
	rewind(f); //fseek(f,0,SEEK_SET);
	account = malloc((accountCount+1)*sizeof(Data));
    while (i <= accountCount)
	{
		fscanf(f,"%s %s %lu",account[i].ID,account[i].PIN,&account[i].balance);// Use fgets when need " " in string
		i++;
	}
    // printf("%s,%s,%lu\n",account[0].ID,account[0].PIN,account[0].balance); //For testing
    // printf("%s,%s,%lu\n",account[1].ID,account[1].PIN,account[1].balance);
	// printf("%s,%s,%lu",account[2].ID,account[2].PIN,account[2].balance);
    fclose(f);
}
void ShowLogo() // Created using TexttoASCIIArt
{
    printf("\n\n\a");
    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    #########  ###     ### ###    #### \n");
    printf("\n\n");
    printf("\t\t           ATM Simulation System       \n");
    printf("\n\n");
    printf("\t\t            Date : %s",__DATE__);
    Sleep(1000);
}
void FirstSetup()
{
	char ID[IDsize];
	int i;
    ShowLogo();
    printf("\n\n\n\a");
    printf("\t\t         xxxxxxxxxx WELCOME xxxxxxxxxx \n");
    printf("\n\t\t   xxxxxxxxxx CHAO MUNG QUY KHACH xxxxxxxxxx \n");
    INPUT:;// label for goto
    printf("\n\t\t  Please insert your card (By enter your ID)\n");
    printf("\n\t\tVui long cho the cua ban vao khe (Bang cach nhap ID cua ban)\n");
    printf("\t\t\t\t\t");
    scanf("%s",ID);
    printf("\n\t\t\tChecking");
    printf("\n\t\t\tDang kiem tra");
    Sleep(500);
    for (i=0;i<=accountCount;i++)
    {
    	if (strcmp(ID,account[i].ID) == 0)
		{
			if (strcmp(account[i].PIN,"locked") == 0)
			{
				printf("\n\t\t\t\aPIN tries exceeded");
	    		printf("\n\t\t\tYour ATM card is temporarily blocked");
	    		printf("\n\t\t\tPlease contact Customer Service");
	    		printf("\n");
	      		printf("\n\t\t\t\aDa vuot qua so lan thu ma PIN");
	    		printf("\n\t\t\tThe ATM cua ban da tam thoi bi chan");
	    		printf("\n\t\t\tVui long lien he dich vu cham soc khach hang");
	    		Sleep(3000);
				exit(0);
    		}
    		else
			{   loginAccount = i;
	    		getchar(); // = getc(stdin)
	    		system("cls"); // clrscr;
	    		printf("\n\n\a");
	    		printf("\t\t  ==================LANGUAGE================ \n");
	    		printf("\t\t  ========================================== \n");
	   			printf("\t\t |            Select your language          |\n");
	    		printf("\t\t |            Chon ngon ngu cua ban         |\n");
	    		printf("\t\t |        [1] English    [2] Tieng Viet     |\n");
	    		printf("\t\t |                                          |\n");
	    		printf("\t\t  ========================================== \n");
	    		printf("\t\t\t\t\t");
	    		scanf("%d",&languageChoice);
	    		break;
	    	}
	    }
		else continue;
	}
		if (i>accountCount)
		{
			printf("\n\n\t\t\tPlease try again");
			printf("\n\t\t\tVui long thu lai");
			goto INPUT;
		}
}
void Overwriteblocked ()
{
	int i = 0;
	FILE *f;
	strcpy(account[loginAccount].PIN,"locked");
	f = fopen(NEWFILENAME,"w");
	while (i < accountCount)
	{
		fprintf(f,"%s %s %lu\n",account[i].ID,account[i].PIN,account[i].balance);
		i++;
	}
	fprintf(f,"%s %s %lu",account[i].ID,account[i].PIN,account[i].balance);
	fclose(f);
	remove(FILENAME);
	rename(NEWFILENAME,FILENAME);
}
void Login()
{
	char password[PINsize];
    int i = 0, limit = 0;
    system("cls");
    printf("\n\n\a");
    if (languageChoice == 1)
    {
        printf("\t\t  ========================================== \n");
        printf("\t\t |            Please type personal          |\n");
        printf("\t\t |      identification number (6-digit)     |\n");
        printf("\t\t  ========================================== \n");
    }
    else
    {
        printf("\t\t  ========================================== \n");
        printf("\t\t |            Vui long nhap ma so           |\n");
        printf("\t\t |       nhan dang ca nhan (6 chu so)       |\n");
        printf("\t\t  ========================================== \n");
    }
    INPUT:;
    fflush(stdin);
	printf("\t\t\t\t  PIN:");
	for(i=0;i<(PINsize-1);i++) printf("_");
	for(i=0;i<(PINsize-1);i++) printf("\b");
	i = 0;
    while (i<PINsize)
	{
	    password[i]=getch(); // like getche(), enter is not required. Can be used as system("pause"). Do not display content on sdout
		if (password[i] == enter) break;
		else if (password[i] == bksp)
		{
			printf("\b_\b");
			i--;
			password[i]='\0';
		}
		else
		{
			printf("*");
			i++;
		}
    }
	password[i]='\0';
	i = 0; // Prevent the loop when go to INPUT
	//printf("%s",password); For testing
    if (languageChoice == 1) printf("\n\t\t\tChecking");
    else printf("\n\t\t\tDang kiem tra");
    Sleep(500);
    if (limit >= 3)
	{
		if (languageChoice == 1)
		{
    		printf("\n\t\t\t\aPIN tries exceeded");
    		printf("\n\t\t\tYour ATM card is temporarily blocked");
    		printf("\n\t\t\tPlease contact Customer Service");
		}
		else
		{
      		printf("\n\t\t\t\aDa vuot qua so lan thu ma PIN");
    		printf("\n\t\t\tThe ATM cua ban da tam thoi bi chan");
    		printf("\n\t\t\tVui long lien he dich vu cham soc khach hang");
		}
		Overwriteblocked();
		Sleep(3000);
		exit(0);
	}
    while (limit < 3)
    {
		if (strcmp(password,account[loginAccount].PIN) == 0)
       	{
	        loginStatus = 1;
			break;
      	}
    	else
        {
			if (languageChoice == 1)
        	{
           		printf("\n\t\t\t\aYour PIN is invalid");
           		printf("\n\t\t\tPlease try again");
           		printf("\n\t\t\t%d tries left\n",3-limit);
        	}
        	else
        	{
           		printf("\n\t\t\t\aMa PIN khong hop le");
           		printf("\n\t\t\tVui long thu lai");
           		printf("\n\t\t\tCon %d lan nhap\n",3-limit);
			}
		limit++;
   		goto INPUT;
   		}
	}
}
void Overwritelogin()
{
	int i = 0;
	FILE *f;
	account[loginAccount].balance=newbalancelogin;
	f = fopen(NEWFILENAME,"w");
	while (i < accountCount)
	{
		fprintf(f,"%s %s %lu\n",account[i].ID,account[i].PIN,account[i].balance);
		i++;
	}
	fprintf(f,"%s %s %lu",account[i].ID,account[i].PIN,account[i].balance);
	fclose(f);
	remove(FILENAME);
	rename(NEWFILENAME,FILENAME);
}
void Overwritereceive()
{
	int i = 0;
	FILE *f;
	account[receiveAccount].balance=newbalancereceive;
	f = fopen(NEWFILENAME,"w");
	while (i < accountCount)
	{
		fprintf(f,"%s %s %lu\n",account[i].ID,account[i].PIN,account[i].balance);
		i++;
	}
	fprintf(f,"%s %s %lu",account[i].ID,account[i].PIN,account[i].balance);
	fclose(f);
	remove(FILENAME);
	rename(NEWFILENAME,FILENAME);
}
void Confirm()
{
	char ch;
	if (languageChoice == 1)
    {
        printf("\n\t\t\t\aWould you like to make another transaction ? Y/N");
    }
    else
    {
        printf("\n\t\t\t\aBan co muon thuc hien mot giao dich khac ? C/K");
	}
	printf("\n\t\t\t\t\t");
	scanf("%s",&ch);
    if (ch == y || ch == Y || ch == c || ch == C)
    {
		ShowMenu();
	}
	else if (ch == n || ch == N || ch == k || ch == K)
	{
		exit(0);
	}
	else exit(0);
}
void Withdrawal()
{
	int withdrawamount,withdrawChoice;
	if (account[loginAccount].balance <= 50000)
	{
		if (languageChoice == 1)
 	    {
  			printf("\n\t\t\tYour balance is not enough to make transaction");
		}
	    else
  		{
       		printf("\n\t\t\tTai khoan cua quy khach khong du de thuc hien giao dich");

   		}
   		Sleep(3000);
		exit(0);
   	}
	Login();
	if (loginStatus == 1)
	{
    	system("cls");
    	if (languageChoice ==1)
    	{
      		printf("\n\n\a");
        	printf("\t\t  ==========Withdrawal Transaction========== \n");
        	printf("\t\t  ========================================== \n");
        	printf("\t\t |             Select an amount             |\n");
	        printf("\t\t |  [1] 100000d         [2] 500000d         |\n");
	        printf("\t\t |  [3] 1000000d        [4] 3000000d        |\n");
	        printf("\t\t |  [5] 5000000d        [6] Other amount    |\n");
	        printf("\t\t  ========================================== \n");
	        printf("\n\t\t\tEnter your choice : ");
	    }
	    else
	    {
	        printf("\n\n\a");
	        printf("\t\t  ============Giao dich rut tien============ \n");
	        printf("\t\t  ========================================== \n");
	        printf("\t\t |           Vui long chon so tien          |\n");
	        printf("\t\t |  [1] 100000d         [2] 500000d         |\n");
	        printf("\t\t |  [3] 1000000d        [4] 3000000d        |\n");
	        printf("\t\t |  [5] 5000000d        [6] So tien khac    |\n");
	        printf("\t\t  ========================================== \n");
	        printf("\n\t\t\tNhap so de chon : ");
	    }
	    scanf("%d",&withdrawChoice);
	    switch (withdrawChoice)
	    {
			case 1:
			{
				withdrawamount=100000;
	  		  	break;
			}
	  	    case 2:
			{
				withdrawamount=500000;
	   		 	break;
			}
	  	    case 3:
			{
				withdrawamount=1000000;
	   		 	break;
			}
	   		case 4:
			{
				withdrawamount=3000000;
	  		  	break;
			}
	   		case 5:
			{
				withdrawamount=5000000;
	 		   	break;
			}
	    	case 6:
			{
	    		if (languageChoice == 1)
	     	    {
	      	    	printf("\n\t\t\t\aPlease enter amount : ");
	     	    }
	      		else
	        	{
	        		printf("\n\t\t\t\aVui long nhap so tien : ");
				}
				scanf("%d",&withdrawamount);
		    	break;
			}
	    }
		newbalancelogin=account[loginAccount].balance-withdrawamount;
		if (newbalancelogin <= 50000)
		{
			if (languageChoice == 1)
	 	    {
	  			printf("\n\t\t\tYour balance is not enough to make transaction");
			}
		    else
	  		{
	       		printf("\n\t\t\tTai khoan cua quy khach khong du de thuc hien giao dich");

	   		}
	   		Sleep(3000);
			exit(0);
	   	}
		Overwritelogin();
		if (languageChoice == 1)
        {
            printf("\n\t\t\t\aTransaction completed successfully !");
        }
        else
        {
            printf("\n\t\t\t\aGiao dich da thuc hien thanh cong !");
		}
		if (languageChoice == 1)
        {
            printf("\n\t\t\t\aYour available balance : %lu",newbalancelogin);
        }
        else
        {
            printf("\n\t\t\t\aTai khoan kha dung cua ban : %lu",newbalancelogin);
		}
		Confirm();
	}
}
void Balance()
{
    if (languageChoice == 1)
		{
    		printf("\n\t\t\t\aYour balance : %lu",account[loginAccount].balance);
    		printf("\n\t\t\tYour available balance : %lu\n",account[loginAccount].balance-50000);
		}
		else
		{
    		printf("\n\t\t\t\aTai khoan cua ban : %lu",account[loginAccount].balance);
    		printf("\n\t\t\tTai khoan kha dung cua ban : %lu\n",account[loginAccount].balance-50000);
		}
	Confirm();
}
void Transfer()
{
	char ID[IDsize];
	int i,transferamount,transferChoice;
	if (account[loginAccount].balance <= 50000)
	{
		if (languageChoice == 1)
 	    {
  			printf("\n\t\t\tYour balance is not enough to make transaction");
		}
	    else
  		{
       		printf("\n\t\t\tTai khoan cua quy khach khong du de thuc hien giao dich");

   		}
   		Sleep(3000);
		exit(0);
   	}
	if (languageChoice == 1)
        {
            printf("\n\t\t\t\aPlease enter receiver's ID : ");
        }
        else
        {
            printf("\n\t\t\t\aVui long nhap ID nguoi nhan : ");
		}
	scanf("%s",ID);
	Login();
	if (loginStatus == 1)
	{
    	system("cls");
    	if (languageChoice ==1)
    	{
      		printf("\n\n\a");
        	printf("\t\t  ===========Transfer Transaction=========== \n");
        	printf("\t\t  ========================================== \n");
        	printf("\t\t |             Select an amount             |\n");
	        printf("\t\t |  [1] 100000d         [2] 500000d         |\n");
	        printf("\t\t |  [3] 1000000d        [4] 3000000d        |\n");
	        printf("\t\t |  [5] 5000000d        [6] Other amount    |\n");
	        printf("\t\t  ========================================== \n");
	        printf("\n\t\t\tEnter your choice : ");
	    }
	    else
	    {
	        printf("\n\n\a");
	        printf("\t\t  ============Giao dich gui tien============ \n");
	        printf("\t\t  ========================================== \n");
	        printf("\t\t |           Vui long chon so tien          |\n");
	        printf("\t\t |  [1] 100000d         [2] 500000d         |\n");
	        printf("\t\t |  [3] 1000000d        [4] 3000000d        |\n");
	        printf("\t\t |  [5] 5000000d        [6] So tien khac    |\n");
	        printf("\t\t  ========================================== \n");
	        printf("\n\t\t\tNhap so de chon : ");
	    }
	    scanf("%d",&transferChoice);
	    switch (transferChoice)
	    {
			case 1:
			{
				transferamount=100000;
	  		  	break;
			}
	  	    case 2:
			{
				transferamount=500000;
	   		 	break;
			}
	  	    case 3:
			{
				transferamount=1000000;
	   		 	break;
			}
	   		case 4:
			{
				transferamount=3000000;
	  		  	break;
			}
	   		case 5:
			{
				transferamount=5000000;
	 		   	break;
			}
	    	case 6:
			{
	    		if (languageChoice == 1)
	     	    {
	      	    	printf("\n\t\t\t\aPlease enter amount : ");
	     	    }
	      		else
	        	{
	        	    printf("\n\t\t\t\aVui long nhap so tien : ");
				}
			scanf("%d",&transferamount);
	    	break;
			}
		}
		newbalancelogin=account[loginAccount].balance-transferamount;
		if (newbalancelogin <= 50000)
		{
			if (languageChoice == 1)
	 	    {
	  			printf("\n\t\t\tYour balance is not enough to make transaction");
			}
		    else
	  		{
	       		printf("\n\t\t\tTai khoan cua quy khach khong du de thuc hien giao dich");

	   		}
	   		Sleep(3000);
			exit(0);
	   	}
		Overwritelogin();
		if (languageChoice == 1)
        {
            printf("\n\t\t\t\aTransaction completed successfully !");
            printf("\n\t\t\t\aMoney transfered to %s",ID);
        }
        else
        {
            printf("\n\t\t\t\aGiao dich da thuc hien thanh cong !");
            printf("\n\t\t\t\aTien da duoc chuyen toi %s",ID);
		}
		if (languageChoice == 1)
        {
            printf("\n\t\t\t\aYour available balance : %lu",newbalancelogin);
        }
        else
        {
            printf("\n\t\t\t\aTai khoan kha dung cua ban : %lu",newbalancelogin);
		}
		for (i=0;i<=accountCount;i++)
	    {
	    	if (strcmp(ID,account[i].ID) == 0)
			{
				receiveAccount = i;
				newbalancereceive = account[receiveAccount].balance+ transferamount;
				Overwritereceive();
				break;
			}
			else break;
		}
		Confirm();
	}
}
void ChangePIN()
{
	int i = 0;
	char password[PINsize],confirm[PINsize];
	INPUT:;
	if (languageChoice == 1)
    {
        printf("\n\t\t\t\a Enter your new PIN : ");
    }
    else
    {
        printf("\n\t\t\t\a Nhap lai ma PIN : ");
	}
	for(i=0;i<(PINsize-1);i++) printf("_");
	for(i=0;i<(PINsize-1);i++) printf("\b");
	i=0;
	while (i<PINsize)
	{
	    password[i]=getch();
		if (password[i] == enter) break;
		else if (password[i] == bksp)
		{
			printf("\b_\b");
			i--;
			password[i]='\0';
		}
		else
		{
			printf("*");
			i++;
		}
    }
	password[i]='\0';
	i = 0;
	if (languageChoice == 1)
    {
        printf("\n\t\t\t\a Enter your new PIN again : ");
    }
    else
    {
        printf("\n\t\t\t\a Nhap lai ma PIN moi : ");
	}
	for(i=0;i<(PINsize-1);i++) printf("_");
	for(i=0;i<(PINsize-1);i++) printf("\b");
	i = 0;
	while (i<PINsize)
	{
	    confirm[i]=getch();
		if (confirm[i] == enter) break;
		else if (confirm[i] == bksp)
		{
			printf("\b_\b");
			i--;
			confirm[i]='\0';
		}
		else
		{
			printf("*");
			i++;
		}
    }
	confirm[i]='\0';
	i = 0;
	if (strcmp(password,confirm) == 0)
	{
		loginStatus = 0;
		if (languageChoice == 1)
	    {
	        printf("\n\t\t\t\a Enter your PIN to continue : ");
	    }
	    else
	    {
	        printf("\n\t\t\t\a Nhap ma PIN cua ban de tiep tuc : ");
		}
		Login();
		if (loginStatus == 1)
		{
		FILE *f;
		strcpy(account[loginAccount].PIN,confirm);
		f = fopen(NEWFILENAME,"w");
		while (i < accountCount)
		{
			fprintf(f,"%s %s %lu\n",account[i].ID,account[i].PIN,account[i].balance);
			i++;
		}
		fprintf(f,"%s %s %lu",account[i].ID,account[i].PIN,account[i].balance);
		fclose(f);
		remove(FILENAME);
		rename(NEWFILENAME,FILENAME);
		if (languageChoice == 1)
	    {
	        printf("\n\t\t\t\aPIN changed successfully, please login again to continue ");
	    }
	    else
	    {
	        printf("\n\t\t\t\aPIN da duoc thay doi, vui long dang nhap lai ");
		}
		Sleep(3000);
		exit(0);
		}
	}
	else
	{
		if (languageChoice == 1)
		{
		    printf("\n\t\t\t\a Not matched, please try again ! ");
		}
		else
		{
		    printf("\n\t\t\t\a Khong khop, vui long thu lai ! ");
		}
		goto INPUT;
	}
}
void ShowMenu()
{
    int mainmenuChoice;
	GetData();
	if (loginStatus == 1)
	{
		if (languageChoice == 1)
 	    {
  			printf("\n\t\t\tHello %s",account[loginAccount].ID);
			printf("\n\t\t\t\aMoving to main menu");
    		Sleep(1500);
		}
	    else
  		{
       		printf("\n\t\t\tXinchao %s",account[loginAccount].ID);
			printf("\n\t\t\t\aDang chuyen toi menu chinh");
			Sleep(1500);
   		}
    	system("cls");
    	if (languageChoice == 1)
   		{
        	printf("\n\n\a");
        	printf("\t\t  =================MAIN MENU================ \n");
        	printf("\t\t  ========================================== \n");
        	printf("\t\t |           Select a transaction           |\n");
        	printf("\t\t |  [1] Withdrawal      [2] Balance Inquiry |\n");
        	printf("\t\t |  [3] Transfer        [4] Change PIN      |\n");
        	printf("\t\t |  [5] Quit                                |\n");
        	printf("\t\t  ========================================== \n");
        	printf("\n\t\t\tEnter your choice : ");
    	}
    	else
    	{
        	printf("\n\n\a");
        	printf("\t\t  ================MENU CHINH================ \n");
        	printf("\t\t  ========================================== \n");
        	printf("\t\t |           Vui long chon giao dich        |\n");
        	printf("\t\t |  [1] Rut tien        [2] So du tai khoan |\n");
        	printf("\t\t |  [3] Chuyen tien     [4] Doi ma PIN      |\n");
        	printf("\t\t |  [5] Thoat                               |\n");
        	printf("\t\t  ========================================== \n");
        	printf("\n\t\t\tNhap so de chon : ");
    	}
    	scanf("%d",&mainmenuChoice);
    	switch(mainmenuChoice)
	    {
			case 1:
	    	{
				Withdrawal();
	   			break;
			}
	    	case 2:
	    	{
				Balance();
		    	break;
			}
	    	case 3:
	    	{
	    		Transfer();
	    		break;
	    	}
	    	case 4:
	    	{
				ChangePIN();
	    		break;
	    	}
			case 5:
	    	exit(0);
	    	//default:fullswitch
		}
	}
	loginStatus=0;
}
int main(int argc,char *argv[])
{
    GetData(); //For first run
    FirstSetup();
    Login(); //For first run
    ShowMenu();
    return 0;
    free(account);
}