CC Tweaked Banking System - banking_public2

local tArg = {...}
local Username = "guest"
local Protocol = "1200"
local Hostname = "banking_public2_server_1"
local Server = 99
local Key = 0
local BankFile = "os/System/Files/.Banking"

function CheckFile()
local file = fs.open(BankFile,"r")
Username = file.readLine()
Protocol = file.readLine()
Hostname = file.readLine()
Key = file.readLine()
file.close()
end

function Cryption(text,Type)
return(text)--WIP
end

function Manager()
local id = rednet.lookup(Protocol,Hostname)
if id == nil then

else
    Server = id
    local Details = {Username,Key,os.getID()}
    if tArg[1] == "withdraw" then
        Details[4] = "withdraw"
        Details[5] = tArg[2]
    elseif tArg[1] == "deposit" then
        Details[4] = "deposit"
        Details[5] = tArg[2]
    elseif tArg[1] == "transfer" then
        Details[4] = "transfer"
        Details[5] = tArg[2]
        Details[6] = tArg[3]
    elseif tArg[1] == "details" then
        Details[4] = "details"
    elseif tArg[1] == "Login" then
        Details[4] = "Login_Request"
    end
    rednet.send(Protocol,Details,Server)
    local Result
    repeat
        local protocol, message, id = rednet.receive()
        Result = message
    until id == Server and protocol == Protocol
    print(Result)
    return(Result)
end
end

CheckFile()
if tArg[1] == "createAccount" then
    Server = rednet.lookup(Hostname)
    local Trans = {tArg[2],Key,os.getID(),"createAccount"}
    rednet.send(Protocol,Trans,Server)
    local a, b, c = rednet.receive()
    if b == "accepted" then
        local file = fs.open(BankFile,"w")
        file.write(tArg[2])
        file.close()
    end
elseif tArg[1] == "Login" then
    Username = tArg[2]
    if Manager() == true then
        local file = fs.open(BankFile,"w")
        file.writeLine(Username)
        file.close()
    end
else
    Manager()
end