2022-2-WS_group_project_bankmanagement-system/src/withdrawMoney.c

#include "withdrawMoney.h"

void notifyCustomer(amountToWithdraw, remainingAccountBalance) {
    char returnToHomeInput = NULL;
    
    printf("You have successfully withdrawn %f €.\n", amountToWithdraw);
    printf("Remaining account balance: %f €\n\n", remainingAccountBalance);
    printf("Press any key to return to home page: ");
    scanf("%c", &returnToHomeInput);
    
    if (returnToHomeInput) {
        showAllMenuEntries();
    }
}

float initiateWithdraw(float amountToWithdraw, float availableAccountBalance) {
    float remainingAccountBalance = (availableAccountBalance - amountToWithdraw);

    return remainingAccountBalance;
}

void withdraw(int user_id) {
    float amountToWithdraw;
    char tryDifferentAmount;
    float remainingAccountBalance;
    bool updateSuccess = false;

    printf("Enter amount to withdraw: ");
    scanf("%f", &amountToWithdraw);

    float availableAccountBalance = getAvailableAccountBalance(user_id);
    if (amountToWithdraw > 0) {
        if (amountToWithdraw <= availableAccountBalance) {
            remainingAccountBalance = initiateWithdraw(amountToWithdraw, availableAccountBalance);
            updateSuccess = updateAccountBalance(user_id, remainingAccountBalance);
            if( updateSuccess ) {
                notifyCustomer(amountToWithdraw, remainingAccountBalance);
            }
            else {
                printf("Some error occured! Sorry for the inconvenience caused.\n");
            }
            
        }
        else {
            printf("You don't have sufficient money to withdraw. Do you want to try different amount?\n[y]: Yes, any other key : exit");
            scanf("%c", &tryDifferentAmount);
            if (tryDifferentAmount == 'Y' || tryDifferentAmount == 'y') {
                withdraw(user_id);
            }
            else {
                showAllMenuEntries();
            }
        }
    }
    else {
        printf("Invalid Input! Please try again.\n");
        withdraw(user_id);
    }
}