phone

os.loadAPI("text.lua")

exitcode = 0

rednet.open("back")
phoneServerID = 21
serverID = 3
passwordfile = "adminsuccess.txt"
userFile = "usersuccess.txt"

local function download(url, fileName)
    if http then
        local response = http.get(url)
        if response then
            local file = fs.open(fileName, "w")
            file.write(response.readAll())
            file.close()
            print("Downloaded " .. fileName)
        else
            print("Failed to download " .. url)
        end
    else
        print("HTTP not enabled")
    end
    os.sleep(3)
end

function getExitCode()
    return exitcode
end

function twoInputStrip(str)
    first, second = str:match("(%S+)%s+(%S+)")
    return first, second
end

function readAdminPassword()
    local file = fs.open(passwordfile, "r")
    if file then
        line = file.readLine()
        file.close()
        return line
    end
end

function readUserLogin()
    local file = fs.open(userFile, "r")
    if file then
        line = file.readLine()
        line2 = file.readLine()
        file:close() -- Close the file
        return line, line2
    end
end

function login(dusername, dpassword)
    while true do
        -- Display login screen
        print("Login Screen")
        print("Enter username:")
        local username = read()
        print("Enter password:")
        local password = read("*")

        if username == "admin" and password == readAdminPassword() then
            print("ADMIN")
            os.sleep(1)
            exitcode = 1
            os.exit(1)
        end

        -- If login is successful, unlock the screen
        if username == dusername and password == dpassword then
            print("Login successful")
            os.sleep(3)
            term.clear()
            term.setCursorPos(1, 1)
            return true
        elseif dusername == nil or dpassword == nil then
            print("User Login Corrupted")
            print("Please See a Celtico Representative")
            os.sleep(3)
            return false
        else
            print("Login failed")
            os.sleep(3)
            term.clear()
            term.setCursorPos(1, 1)
        end
    end
end

local function displayMenu(dusername)
    print("Welcome " .. dusername .. "!")
    print("1. Text Messages")
    print("2. Transfer Funds")
    print("3. Buy Request")
    print("4. Services")
    print("0. Exit")
end

local function displayServiceMenu(dusername)
    print("Welcome " .. dusername .. "!")
    print("1. Games")
    print("2. Turtle Services")
    print("0. Exit")
end

local function displayGameMenu(dusername)
    print("Welcome " .. dusername .. "!")
    print("1. Flappy Bird")
    print("0. Exit")
    print("\nWarning: Some Games may Require a Manual Shut Off to Exit!\n")
end

local function userChoice(dusername)
    io.write("Enter your choice: ")
    return tonumber(io.read())

end

local function sendServer(message)
    rednet.send(serverID, message)
    id, message = rednet.receive(nil, 3)
    if id == serverID then
        return message
    else
        return "error"
    end
end

local function transferFunds(dusername, dpassword)
    balance = sendServer("search " .. dusername .. " " .. dpassword)
    if balance == nil then
        print("Error: Server Offline")
        os.sleep(2)
    elseif balance == "false" then
        print("Error: Phone Login not in Server Database")
        os.sleep(2)
    elseif balance == "error" then
        print("Error: Server Interference")
        os.sleep(2)
    else
        print("Your Balance: " .. balance)
        print("Enter the Recipients Username: ")
        recipient = io.read()
        print("Enter the Amount to Transfer: ")
        amount = io.read()
        success = sendServer("transfer " .. dusername .. " " .. dpassword .. " " .. amount .. " " .. recipient)
        if success == nil then
            print("Error: Server Offline")
            os.sleep(2)
        elseif success == "false" then
            print("Error: Recipient not in Server Database or Impossible Amount")
            os.sleep(5)
        elseif success == "error" then
            print("Error: Server Interference")
            os.sleep(2)
        else
            print("Success!")
            os.sleep(2)
        end
    end
end

function buyAccept()
    id, message = rednet.receive(nil, 30)
    print(message)
    if id == nil then
        print("Could Not Find Cashier Terminal")
        os.sleep(3)
        return
    end
    rednet.send(id, "ping")
    if message ~= nil then
        command, cost = twoInputStrip(message)
        if command == "buyrequest" then
            print("Buy Request of " .. cost .. " Received")
            print("Press 1 to Confirm Payment")
            confirmation = read()
            if tonumber(confirmation) == 1 then
                rednet.send(serverID, "buy " .. dusername .. " " .. dpassword .. " " .. cost)
                newid, success = rednet.receive(nil, 3)
                if success ~= nil then
                    print("Payment Success!")
                    os.sleep(3)
                else
                    print("Payment Error")
                    os.sleep(3)
                end
            else
                print("Payment Cancelled")
                os.sleep(3)
                rednet.send(id, "cancel")
            end
        else
            print("Buy Request Intercepted, Please Retry")
            os.sleep(3)
        end
    else
        print("No Buy Request Found Exiting to Menu")
        os.sleep(3)
    end
end

function main()
    while true do
        dusername, dpassword = readUserLogin()
        if login(dusername, dpassword) then
            while true do
                displayMenu(dusername)
                choice = userChoice(dusername)
                if choice == 1 then
                    term.clear()
                    term.setCursorPos(1, 1)
                    text.text(dusername, phoneServerID)
                    term.clear()
                    term.setCursorPos(1, 1)
                elseif choice == 2 then
                    term.clear()
                    term.setCursorPos(1, 1)
                    transferFunds(dusername, dpassword)
                    term.clear()
                    term.setCursorPos(1, 1)
                elseif choice == 3 then
                    buyAccept()
                    term.clear()
                    term.setCursorPos(1, 1)
                elseif choice == 4 then
                    while true do
                        term.clear()
                        term.setCursorPos(1, 1)
                        displayServiceMenu(dusername)
                        schoice = userChoice(dusername)
                        if schoice == 1 then
                            while true do
                                term.clear()
                                term.setCursorPos(1, 1)
                                displayGameMenu(dusername)
                                gchoice = userChoice(dusername)
                                if gchoice == 1 then
                                    download("https://github.com/bartek18887/ComputerCraft-FlappyBird/raw/main/main.lua", "flappybird.lua")
                                    os.loadAPI("flappybird.lua")
                                elseif gchoice == 0 then
                                    break
                                end
                            end
                        elseif schoice == 2 then
                            print("\nTurtle Services Not Available in Early Access")
                            print("(ie I am not paid enough to have it done yet)\n")
                            print("type anything to return to the menu")
                            read()
                            break
                        elseif schoice == 0 then
                            break
                        end
                    end
                    term.clear()
                    term.setCursorPos(1, 1)
                elseif choice == 0 then
                    term.clear()
                    term.setCursorPos(1, 1)
                    break
                else
                    print("Incorrect Input")
                    os.sleep(1)
                    term.clear()
                    term.setCursorPos(1, 1)
                end
            end
        end
    end
end

--os.pullEvent = os.pullEventRaw
pcall(main)
--os.shutdown()