Server

serverID = 0

creditItem = "CreditBill50"

creditPerItem = 50

depositExtractor = 18
bankDepositer = 19
bankExtractor = 20

withdrawalExtractor = 21

depositBox = peripheral.wrap("chest_1")
bankBox = peripheral.wrap("chest_3")

depositSize = tonumber(depositBox.getInventorySize())
bankSize = tonumber(bankBox.getInventorySize())

peripherals = peripheral.getNames()
periph = true
index = 1
while periph do
    periph = peripherals[index]
    if periph then
        periphType = peripheral.getType(periph)
        if periphType == "modem" then
            rednet.open(periph)
        end
    end
    index = index + 1
end

local info = { ... }

while true do
    shell.run("clear")
    print("Please enter one of the following options:")
    print("Withdraw")
    print("Deposit")
    print("View Balance")
    print("Transfer")
    print("Register")
    option = read()
    info[1] = option
    if option == "Register" then
        shell.run("clear")
        print("Please enter a username:")
        info[2] = read()
        if info[2] then
            print("Please enter a password:")
            info[3] = read('*')
            if info[3] then
                rednet.send(serverID, info, "reg")
                id, servInfo, servProtocol = rednet.receive()
                if servProtocol == "failure" then
                    print("Failed to register new account. Reason:")
                    print(servInfo[1])
                    os.sleep(5)
                else
                    print("Account successfully registered.")
                    os.sleep(5)
                end
            else
                print("Please try again and enter a vaild password.")
                os.sleep(5)
            end
        else
            print("Please try again and enter a vaild username.")
            os.sleep(5)
        end
    elseif (option == "Withdraw") or (option == "Deposit") or (option == "View Balance") or (option == "Transfer") then
        shell.run("clear")
        print("Please enter your username:")
        info[2] = read()
        print("Please enter your password:")
        info[3] = read('*')
        rednet.send(serverID, info, "login")
        id, servInfo, servProtocol = rednet.receive()
        if servProtocol == "success" then
            loggedIn = true
        else
            print("Failed to log in. Reason:")
            print(servInfo[1])
            sleep(5)
        end
    else
        print("Please enter a vaild option.")
        sleep(5)
    end
    if loggedIn then
        loggedIn = false
        if option == "Withdraw" then
            info[1] = "View Balance"
            rednet.send(serverID, info, "balCheck")
            id, servInfo, servProtocol = rednet.receive()
            Bal = servInfo[1]
            info[1] = "Withdraw"
            print("Please enter the amount you wish to withdraw (must be multiples of ยง".. creditPerItem.. ":")
            withdrawalAmount = read()
            if withdrawalAmount > Bal then
                print("Sorry, but you do not have that amount in your bank account. Your current balance is: ยง".. Bal)
            else
                newBal = Bal - withdrawalAmount
                info[4] = newBal
                rednet.send(serverID, info, "withdrawal")
                info2 = withdrawalAmount/creditPerItem
                rednet.send(withdrawalExtractor, info2, "withdrawal")
                print("Your withdrawl was successful, thank you for banking with us.")
            end
        elseif option == "Deposit" then
            info[1] = "View Balance"
            rednet.send(serverID, info, "balCheck")
            id, servInfo, servProtocol = rednet.receive()
            oldBal = servInfo[1]
            info[1] = "Deposit"
            shell.run("clear")
            print("Please place the items in the chest to the right.")
            while not itemsInDepositBox do
                totalQty = 0
                loop = 0
                while loop < depositSize do
                    loop = loop + 1
                    num = depositBox.getStackInSlot(loop)
                    if num ~= nil then
                        if num.name == creditItem then
                            totalQty = totalQty + num.qty
                        end
                    end
                    if totalQty > 0 then
                        itemsInDepositBox = true
                    end
                    os.sleep(0.1)
                end
                os.sleep(0.1)
            end
            rednet.send(depositExtractor, "true")
            shell.run("clear")
            print("Transfering items, please wait...")
            while itemsInDepositBox do
                loop = 0
                totalQty = 0
                while loop < depositSize do
                    loop = loop + 1
                    num = depositBox.getStackInSlot(loop)
                    if num ~= nil then
                        if num.name == creditItem then
                            totalQty = totalQty + num.qty
                        end
                    end
                    if totalQty == 0 then
                        loop = 0
                        while loop < depositSize do
                            loop = loop + 1
                            num = depositBox.getStackInSlot(loop)
                            if num ~= nil then
                                if num.name == creditItem then
                                    totalQty = totalQty + num.qty
                                end
                            end
                        end
                        if totalQty == 0 then
                            itemsInDepositBox = false
                        end
                    end
                    os.sleep(0.1)
                end
                os.sleep(0.1)
            end
            rednet.send(depositExtractor, "false")
            os.sleep(10)
            totalQty = 0
            loop = 0
            while loop < bankSize do
                loop = loop + 1
                num = bankBox.getStackInSlot(loop)
                if num ~= nil then
                    if num.name == creditItem then
                        totalQty = totalQty + num.qty
                    end
                end
            end
            shell.run("clear")
            print("Doing the math...")
            addedCredit = creditPerItem*totalQty
            newBal = oldBal + addedCredit
            shell.run("clear")
            print("ecoATM has counted ".. totalQty.. " Items, and your account will be credited with ยง".. addedCredit.. " credits, is this correct? (y/n)")
            invalidInput = true
            while invalidInput do
                ATMInput = read()
                if ATMInput == "y" or ATMInput == "n" then
                    invalidInput = false
                else
                    print("Invalid input, please enter either \"n\" (No) or \"y\" (Yes) to continue.")
                end
            end
            if ATMInput == "y" then
                info[4] = addedCredit
                info[5] = newBal
                rednet.send(serverID, info, "deposit")
                id, servInfo, servProtocol = rednet.receive()
                print("Your final balance is: $".. newBal)
                print("Thank you for banking with us.")
                rednet.send(bankDepositer, "true")
                itemsInBankBox = true
                while itemsInBankBox do
                    loop = 0
                    totalQty = 0
                    while loop < bankSize do
                        loop = loop + 1
                        num = bankBox.getStackInSlot(loop)
                        if num ~= nil then
                            if num.name == creditItem then
                                totalQty = totalQty + num.qty
                            end
                        end
                        if totalQty == 0 then
                            loop = 0
                            while loop < bankSize do
                                loop = loop + 1
                                num = bankBox.getStackInSlot(loop)
                                if num ~= nil then
                                    if num.name == creditItem then
                                        totalQty = totalQty + num.qty
                                    end
                                end
                            end
                            if totalQty == 0 then
                                itemsInBankBox = false
                            end
                        end
                        os.sleep(0.1)
                    end
                    os.sleep(0.1)
                end
                rednet.send(bankDepositer, "false")
            else
                print("Transaction canceled, refunding now.")
                rednet.send(bankExtractor, "true")
                itemsInBankBox = true
                while itemsInBankBox do
                    loop = 0
                    totalQty = 0
                    while loop < bankSize do
                        loop = loop + 1
                        num = bankBox.getStackInSlot(loop)
                        if num ~= nil then
                            if num.name == creditItem then
                                totalQty = totalQty + num.qty
                            end
                        end
                        if totalQty == 0 then
                            loop = 0
                            while loop < bankSize do
                                loop = loop + 1
                                num = bankBox.getStackInSlot(loop)
                                if num ~= nil then
                                    if num.name == creditItem then
                                        totalQty = totalQty + num.qty
                                    end
                                end
                            end
                            if totalQty == 0 then
                                itemsInBankBox = false
                            end
                        end
                        os.sleep(0.1)
                    end
                    os.sleep(0.1)
                end
                os.sleep(5)
                rednet.send(bankExtractor, "false")
                print("Successfully refunded. We hope to see you again soon!")
            end

        elseif option == "View Balance" then
            shell.run("clear")
            rednet.send(serverID, info, "balCheck")
            id, servInfo, servProtocol = rednet.receive()
            print("User: ".. info[2])
            print("Bal : ยง".. servInfo[1])
            os.sleep(5)
        elseif option == "Transfer" then
            shell.run("clear")
            print("Please enter the name of the account you would like to send money to:")
            sendAcc = read()
            print("Please enter the amount of money you would like to send:")
            sendAmount = read()
            info[4] = sendAcc
            info[5] = sendAmount
            rednet.send(serverID, info, "transfer")
            id, servInfo, servProtocol = rednet.receive()
            if servProtocol == "failure" then
                print("Failed to send funds. Reason:")
                print(servInfo[1])
            else
                print("Successfully transfered all funds.")
            end
        end
        os.sleep(5)
    end
end