embeded sys

-- GUI setup
local w, h = term.getSize()
local screen = window.create(term.current(), 1, 1, w, h)

-- Function to clear the screen and reset cursor
local function clearScreen()
    screen.clear()
    screen.setCursorPos(1, 1)
end

-- Function to create borders for the UI
local function createBorder()
    -- Top border
    screen.setCursorPos(1, 1)
    for i = 1, w do
        screen.write("-")
    end
    -- Bottom border
    screen.setCursorPos(1, h)
    for i = 1, w do
        screen.write("-")
    end
end

-- Function to draw a header section
local function drawHeader(title)
    screen.setCursorPos(1, 1)
    createBorder()
    screen.setCursorPos(math.floor((w - #title) / 2), 2)
    screen.write(title)
    screen.setCursorPos(1, 3)
    for i = 1, w do
        screen.write("-")
    end
end

-- Function to check if file exists
local function fileExists(path)
    local file = fs.open(path, "r")
    if file then
        file.close()
        return true
    else
        return false
    end
end

-- Function to get user input for authentication
local function authenticateUser()
    clearScreen()
    drawHeader("Kiosk Setup - Authentication")
    screen.setCursorPos(1, 4)
    screen.write("Enter your username: ")
    local username = read()
    local passwordFile = "/disk/users/" .. username .. "/password.txt"

    if not fileExists(passwordFile) then
        screen.setCursorPos(1, 6)
        screen.write("User does not exist.")
        sleep(2)
        return false
    end

    local file = fs.open(passwordFile, "r")
    local storedPassword = file.readAll()
    file.close()

    screen.setCursorPos(1, 6)
    screen.write("Enter your password: ")
    local enteredPassword = read()

    if enteredPassword == storedPassword then
        local adminFile = "/disk/users/" .. username .. "/admin.txt"
        if fileExists(adminFile) then
            return true
        else
            screen.setCursorPos(1, 7)
            screen.write("Admin privileges required.")
            sleep(2)
            return false
        end
    else
        screen.setCursorPos(1, 7)
        screen.write("Invalid password.")
        sleep(2)
        return false
    end
end

-- Function to check Kiosk setup and app status
local function checkKioskApp()
    clearScreen()
    drawHeader("Kiosk Setup Status")

    if not fileExists("/disk/embeded/sysapp.lua") then
        screen.setCursorPos(1, 4)
        screen.write("ERROR: Kiosk not set up or application missing.")
        sleep(2)
        return false
    else
        local file = fs.open("/disk/embeded/sysapp.lua", "r")
        local appContent = file.readAll()
        file.close()

        -- Check for a corrupted app (example: check if file is empty)
        if #appContent == 0 then
            screen.setCursorPos(1, 4)
            screen.write("ERROR: Application file is corrupted.")
            sleep(2)
            return false
        else
            screen.setCursorPos(1, 4)
            screen.write("Kiosk is set up and ready.")
            sleep(2)
            return true
        end
    end
end

-- Function to allow setting up a new Kiosk app
local function setupKioskApp()
    clearScreen()
    drawHeader("Set Up New Kiosk App")

    if authenticateUser() then
        clearScreen()
        drawHeader("Kiosk Setup - New App")

        screen.setCursorPos(1, 4)
        screen.write("Is the new app a local file or a Pastebin program? (file/pastebin): ")
        local appType = read()

        if appType == "file" then
            clearScreen()
            drawHeader("Local File Upload")
            screen.setCursorPos(1, 4)
            screen.write("Enter the file path of the new app: ")
            local appPath = read()

            if not fileExists(appPath) then
                clearScreen()
                drawHeader("Error")
                screen.setCursorPos(1, 4)
                screen.write("File does not exist.")
                sleep(2)
            else
                local appFile = fs.open(appPath, "r")
                local appContent = appFile.readAll()
                appFile.close()

                local sysAppFile = fs.open("/disk/embeded/sysapp.lua", "w")
                sysAppFile.write(appContent)
                sysAppFile.close()

                clearScreen()
                drawHeader("Success")
                screen.setCursorPos(1, 4)
                screen.write("App copied successfully to /disk/embeded/sysapp.lua")
                sleep(2)
            end
        elseif appType == "pastebin" then
            clearScreen()
            drawHeader("Pastebin Program")
            screen.setCursorPos(1, 4)
            screen.write("Enter the Pastebin program ID: ")
            local pastebinID = read()

            local pastebinURL = "https://pastebin.com/raw/" .. pastebinID
            local pastebinContent = http.get(pastebinURL).readAll()

            local sysAppFile = fs.open("/disk/embeded/sysapp.lua", "w")
            sysAppFile.write(pastebinContent)
            sysAppFile.close()

            clearScreen()
            drawHeader("Success")
            screen.setCursorPos(1, 4)
            screen.write("App copied from Pastebin to /disk/embeded/sysapp.lua")
            sleep(2)
        else
            clearScreen()
            drawHeader("Error")
            screen.setCursorPos(1, 4)
            screen.write("Invalid choice.")
            sleep(2)
        end
    else
        clearScreen()
        drawHeader("Error")
        screen.setCursorPos(1, 4)
        screen.write("Authentication failed.")
        sleep(2)
    end
end

-- Main program
if checkKioskApp() then
    shell.run("/disk/embeded/sysapp.lua")
else
    setupKioskApp()
end