#include <stdio.h>

[ahmedanizafarullah]

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

int accountNumber, password;
char accountHolderName[] = "Zafarullah";
double currentBalance = 5000.00;

// function prototypes
void deposit();
void withdraw();
void balanceInquiry();
void easyload();
void billPayments();
void easypaisaLoans();
void bankTransfers();

int main() {
int open;
int* openPtr = &open;

printf("\033[0;31mPress 786 to continue: ");
scanf("%d", openPtr);

if (*openPtr != 786) {
    printf("\033[0;31mInvalid input! Please try again.\n");
    return 0;
}

printf("\033[0;32mWelcome to Easypaisa App!\033[0m\n");

printf("\033[0;33mPlease enter your account number: \033[0m");
scanf("%d", &accountNumber);

if (accountNumber == 12345) {
    printf("\033[44mPlease enter password: \033[0m");
    scanf("%d", &password);

    if (password == 54321) {
        printf("\nAccount Holder Name: %s\n", accountHolderName);
        printf("Current Balance: %0.2lf PKR\n", currentBalance);
    } else {
        printf("\033[0;31mInvalid password entered!\n");
        return 0;
    }
} else {
    printf("\n\033[0;31mInvalid account number entered! Please try again.\n");
    return 0;
}

while (1) {
    int transactionType;
    int* transactionTypePtr = &transactionType;

    printf("\n\033[0;35mPlease select a Transaction Type:\n");
    printf("1. Deposit\n2. Withdraw\n3. Balance Inquiry\n4. Easyload\n5. Bill Payments\n6. Easypaisa Loans\n7. Bank Transfers\n8. Exit\n");
    scanf("%d", transactionTypePtr);

    switch (*transactionTypePtr) {
        case 1:
            deposit();
            break;
        case 2:
            withdraw();
            break;
        case 3:
            balanceInquiry();
            break;
        case 4:
            easyload();
            break;
        case 5:
            billPayments();
            break;
        case 6:
            easypaisaLoans();
            break;
        case 7:
            bankTransfers();
            break;
        case 8:
            printf("Exiting program...\n");
            return 0;
        default:
            printf("\033[0;31mInvalid transaction type selected!\n");
            break;
    }
}

return 0;

}

void deposit() {
int depositAmount;
int* depositAmountPtr = &depositAmount;

printf("\nEnter deposit amount: ");
scanf("%d", depositAmountPtr);

if (*depositAmountPtr <= 0) {
    printf("\033[0;31mInvalid deposit amount entered!\n");
    return;
}

currentBalance += *depositAmountPtr;
printf("Deposit successful! Current Balance: %0.2lf PKR\n", currentBalance);

}

void withdraw() {
int withdrawAmount;
int* withdrawAmountPtr = &withdrawAmount;

printf("\nEnter withdraw amount: ");
scanf("%d", withdrawAmountPtr);

if (*withdrawAmountPtr <= 0) {
    printf("\033[0;31mInvalid withdraw amount entered!\n");
return;

}

if (*withdrawAmountPtr > currentBalance) {
printf("\033[0;31mInsufficient balance!\n");
return;
}

currentBalance -= *withdrawAmountPtr;
printf("Withdrawal successful! Current Balance: %0.2lf PKR\n", currentBalance);
}

void balanceInquiry() {
printf("\nAccount Holder Name: %s\n", accountHolderName);
printf("Current Balance: %0.2lf PKR\n", currentBalance);
}

void easyload() {
int phoneNum;
int* phoneNumPtr = &phoneNum;

printf("\nEnter phone number: ");
scanf("%d", phoneNumPtr);

int loadAmount;
int* loadAmountPtr = &loadAmount;

printf("Enter load amount: ");
scanf("%d", loadAmountPtr);

if (*loadAmountPtr <= 0) {
    printf("\033[0;31mInvalid load amount entered!\n");
    return;
}

if (*loadAmountPtr > currentBalance) {
    printf("\033[0;31mInsufficient balance!\n");
    return;
}

currentBalance -= *loadAmountPtr;
printf("Load successful! Current Balance: %0.2lf PKR\n", currentBalance);

}

void billPayments() {
int billAmount;
int* billAmountPtr = &billAmount;

printf("\nEnter bill amount: ");
scanf("%d", billAmountPtr);

if (*billAmountPtr <= 0) {
    printf("\033[0;31mInvalid bill amount entered!\n");
    return;
}

char billType[20];
printf("Enter bill type: ");
scanf("%s", billType);

if (strcmp(billType, "Electricity") == 0) {
    // perform electricity bill payment
} else if (strcmp(billType, "Gas") == 0) {
    // perform gas bill payment
} else if (strcmp(billType, "Water") == 0) {
    // perform water bill payment
} else {
    printf("\033[0;31mInvalid bill type entered!\n");
    return;
}

if (*billAmountPtr > currentBalance) {
    printf("\033[0;31mInsufficient balance!\n");
    return;
}

currentBalance -= *billAmountPtr;
printf("Bill payment successful! Current Balance: %0.2lf PKR\n", currentBalance );

}

void easypaisaLoans() {
int loanAmount;
int* loanAmountPtr = &loanAmount;

printf("\nEnter loan amount: ");
scanf("%d", loanAmountPtr);

if (*loanAmountPtr <= 0) {
    printf("\033[0;31mInvalid loan amount entered!\n");
    return;
}

int loanDuration;
int* loanDurationPtr = &loanDuration;

printf("Enter loan duration in months (3, 6, or 12): ");
scanf("%d", loanDurationPtr);

if (*loanDurationPtr != 3 && *loanDurationPtr != 6 && *loanDurationPtr != 12) {
    printf("\033[0;31mInvalid loan duration entered! Duration should be 3, 6, or 12 months.\n");
    return;
}

double interestRate;
if (*loanDurationPtr == 3) {
    interestRate = 0.05;
} else if (*loanDurationPtr == 6) {
    interestRate = 0.07;
} else {
    interestRate = 0.1;
}

double totalLoan = *loanAmountPtr + (*loanAmountPtr * interestRate);

if (totalLoan > currentBalance) {
    printf("\033[0;31mInsufficient balance to process loan request!\n");
    return;
}

currentBalance += totalLoan;
printf("Loan approved! Your total loan amount is: %0.2lf PKR\n", totalLoan);
printf("Current Balance: %0.2lf PKR\n", currentBalance);

}

void bankTransfers() {
char bankName[50], bankAccount[50];
double transferAmount;

printf("\nEnter Bank Name: ");
scanf("%s", bankName);

printf("Enter Bank Account Number: ");
scanf("%s", bankAccount);

printf("Enter Transfer Amount: ");
scanf("%lf", &transferAmount);

if (transferAmount <= 0) {
    printf("\033[0;31mInvalid transfer amount entered!\n");
    return;
}

if (transferAmount > currentBalance) {
    printf("\033[0;31mInsufficient balance!\n");
    return;
}

currentBalance -= transferAmount;
printf("\nTransfer Successful! Current Balance: %0.2lf PKR\n", currentBalance);

}