BANKING_FINALS_Sayago.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>

//Multi Linked List
struct client {
    //structure for users Information
    int cardNumber;
    char *name;
    double money;
    int id;
    int pin;
};

struct node {
    struct client *data;
    struct node *next;
};

struct linkedList {
    struct node *head;
    struct node *tail;
    // Understand & Apply Queue Concept!!! (Linked Queue.c)
};

//Values for the user account
float userMoney = 0;
int userPass = 111111;
int userCard = 111111;

//Values for the admin account
int adminNumber = 123456;
int adminPass = 123456;

//User inputs
int passInput;
int cardInput;
float moneyInput;
int choiceInput;

/*structures order:

client
node(data,next)
linkedList

//Methods
*newClient()
*newNode()
*newList()
*ADD()
*PRINT()
*changePin()
*deposit()
*withdraw()
*checkBalance()
*search()
*authentication()

*/
struct client *newClient(int id, int cardNumber, char *name, int pin, double money)
{
    struct client *cl = (struct client *) malloc(sizeof(struct client));
    cl->id = id;
    cl->cardNumber = cardNumber;
    cl->name = strdup(name);
    cl->pin = pin;
    cl->money = money;

    return cl;
}

struct node *newNode(struct client *data)
{
    struct node *n = malloc(sizeof(struct node *));
    n->data = data;
    n->next = NULL;
    return n;
}

struct linkedList *newList()
{
    struct linkedList *ll = malloc(sizeof(struct linkedList *));
    //l = realloc(l, sizeof(struct linkedList*));
    ll->head = NULL;
    ll->tail = NULL;

    return ll;
}

void addList(struct linkedList *list, struct node *n) {
    if (list->head == NULL) {
        list->head = n;
    } else {
        list->tail->next = n;
    }
    list->tail = n;
}

void printList(struct linkedList *list)
{
    printf("\nWelcome to GBS Banking! Money Safe Guaranteed To You!\n\n");
    printf("VIEW RECORDS\n");
    printf("%3s %11s %25s %20s\n", "ID", "CARD NUMBER", "NAME", "BALANCE");

    struct node *n = list->head;
        while( n != NULL)
            {
            printf("%3d %11d %25s %20f\n", n->data->id, n->data->cardNumber, n->data->name, n->data->money);
            n = n->next;
            }
}

void changePin(struct linkedList *list, int cardnumber)
{
    struct node *n = list->head;
    while(n != NULL ){
        if (n->data->cardNumber == cardnumber)
        {
            printf("\nWelcome to GBS Banking! Money Safe Guaranteed To You!\n\n");
            printf("CHANGE PIN\n");

            printf("Enter current pin: ");
            scanf("%d", &passInput);
            if (n->data->pin == passInput) {
                printf("Enter new pin: ");
                scanf("%d", &passInput);
                n->data->pin = passInput;
            } else {
                printf("Wrong pin.");
            }
        }n = n->next;
    }
}
void depositMoney(struct linkedList *list, int cardnumber)
{
    struct node *n = list->head;
    while(n != NULL )
        {
        if (n->data->cardNumber == cardnumber)
            {
            printf("\nWelcome to GBS Banking! Money Safe Guaranteed To You!\n\n");
            printf("DEPOSIT MONEY\n");
            printf("Enter amount to be deposited: ");
            scanf("%f", &moneyInput);
            n->data->money += moneyInput;
            printf("Current Balance is: %f", n->data->money);
            }n = n->next;
        }
}

void withdrawMoney(struct linkedList *list, int cardnumber)
{
    struct node *n = list->head;
    while(n != NULL)
        {
        if (n->data->cardNumber == cardnumber)
        {
            printf("\nWelcome to GBS Banking! Money Safe Guaranteed To You!\n\n");
            printf("WITHDRAW MONEY\n");
            printf("Enter amount to be withdrawn: ");
            scanf("%f", &moneyInput);

            if (moneyInput <= n->data->money) {
                n->data->money -= moneyInput;
                printf("Withdrawal success.\n");
            } else {
                printf("Insufficient Balance.\n");
            }

            printf("Current Balance is: %f", n->data->money);
        }n = n->next;
        }
    }


void checkBalance(struct linkedList *list, int cardnumber)
{
    struct node *n = list->head;
    while (n != NULL)
    {
            if (n->data->cardNumber == cardnumber)
            {
            printf("\nWelcome to GBS Banking! Money Safe Guaranteed To You!\n\n");
            printf("CHECK BALANCE\n");
            printf("Your Current Savings Balance is Php %f \n\n", n->data->money);

            }n = n->next;
    }
    }


void searchRecords(struct linkedList *list) {
    printf("\nWelcome to GBS Banking! Money Safe Guaranteed To You!\n\n");
    printf("VIEW RECORDS\n");

    int input;
    printf("Search card number: ");
    scanf("%d", &input);

    printf("%3s %11s %25s %20s\n", "ID", "CARD NUMBER", "NAME", "BALANCE");
     struct node *n = list->head;
        while(n != NULL)
        {
            if (n->data->cardNumber == input)
            {
                printf("%3d %11d %25s %20f\n", n->data->id, n->data->cardNumber, n->data->name, n->data->money);
            }n = n->next;
        }
}

int authentication(struct linkedList *list, int cardnumber, int pin) {
    struct node *n = list->head;
    while(n != NULL){
        if (cardnumber == 123456) {
            if (pin == 123456) {
                return 1;
            } else {
                return 3;
            }
        } else if (n->data->cardNumber == cardnumber) {
            if (n->data->pin == pin) {
                return 2;
            } else {
                return 3;
            }
        }n = n->next;
    }
}

int main() {

    // USE AN IDE WITH C++ version 11;
    int currentCard;

    //To create new list
    struct linkedList *list = newList();

    // To create new values to be added to nodes; //ID,CARD NUMBER | NAME | PIN | BALANCE
    struct client *c1 = newClient(1, 123456, "Admin", 123456, 50000);
    struct client *c2 = newClient(2, 111111, "Gabutooo", 111111, 1000);
    struct client *c3 = newClient(3, 666666, "Professor", 666666, 500000);

    // To create new nodes and add the values
    struct node *n1 = newNode(c1);
    struct node *n2 = newNode(c2);
    struct node *n3 = newNode(c3);

    //To add each node inside the List
    addList(list, n1);
    addList(list, n2);
    addList(list, n3);

    while (choiceInput != 6) {
        printf("Welcome to GBS Banking! Money Safe Guaranteed To You!\n\n");
        printf("Enter Your Card Number: ");
        scanf("%d", &cardInput);
        currentCard = cardInput;

        printf("Enter Yout Pin: ");
        scanf("%d", &passInput);
        if (authentication(list, cardInput, passInput) == 1) {
            while (choiceInput != 5) {
                printf("\nWelcome to GBS Bank [Administrator]\n\n");
                printf("[1] View All\n");
                printf("[2] Delete \n");
                printf("[3] Modify \n");
                printf("[4] Search \n");
                printf("[5] Logout\n");
                printf("[6] Terminate\n");
                printf("Enter choice: ");
                scanf("%d", &choiceInput);

                switch (choiceInput) {
                    case 1:
                        printList(list);
                        break;
                    case 2:
                     //   delete_records(list);
                        break;
                    case 3:
                       // modify_records(list);
                        break;
                    case 4:
                        searchRecords(list);
                        break;
                    case 5:
                        break;
                    case 6:
                        printf("Thank You!");

                        break;
                    default:
                        printf("Invalid input.\n");
                        break;
                }
            }
        } else if (authentication(list, cardInput, passInput) == 2) {
            while (choiceInput != 5) {
                printf("\n******Welcome to GBS Banking [User]******\n\n");
                printf("[1] Check Balance\n");
                printf("[2] Withdraw\n");
                printf("[3] Deposit\n");
                printf("[4] Change Pin\n");
                printf("[5] Logout\n");
                printf("[6] Terminate\n");
                printf("Enter choice: ");
                scanf("%d", &choiceInput);

                switch (choiceInput) {
                    case 1:
                        checkBalance(list, currentCard);
                        break;
                    case 2:
                        withdrawMoney(list, currentCard);
                        break;
                    case 3:
                        depositMoney(list, currentCard);
                        break;
                    case 4:
                        changePin(list, currentCard);
                        break;
                    case 5:
                        break;
                    case 6:
                        printf("Thank You!");
                        break;
                    default:
                        printf("Invalid Input.\n");
                        break;
                }
            }
        } else if (authentication(list, cardInput, passInput)) {
            printf("Wrong Pin entered!\n");
        } else {
            printf("User does not exist within the list!\n");
        }
    }

    return 0;
}

///ADMIN///
void delete_records() {
    printf("\nWelcome to GBS Banking! Money Safe Guaranteed To You!\n\n");
    printf("DELETE RECORDS\n");

    }

void modify_records() {
    printf("\nWelcome to GBS Banking! Money Safe Guaranteed To You!\n\n");
    printf("VIEW RECORDS\n");
}