local doorSide = "bottom"  -- Change to where the redstone signal is sent
local resetTime = 5 * 60  -- Time in seconds before terminal resets
local idleTime = 120  -- Time in seconds before auto-reset due to inactivity
local loggedIn = false
local username = "admin"
local password = "password"
local options = {"Open Door", "Close Door", "Check Access Logs", "Logout"}
local selectedOption = nil

-- Function to generate corrupted logs
local function generateCorruptData()
    local chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*"
    local data = "DATA CORRUPTED\n"
    for i = 1, 10 do
        local line = ""
        for j = 1, math.random(10, 25) do
            line = line .. chars:sub(math.random(1, #chars), math.random(1, #chars))
        end
        data = data .. line .. "\n"
    end
    return data
end

-- Function to pulse a bundled cable signal
local function pulseBundledSignal(color)
    for i = 1, 8 do
        redstone.setBundledOutput(doorSide, color)
        sleep(0.2)
        redstone.setBundledOutput(doorSide, 0)
        sleep(0.2)
    end
end

-- Function to draw the login screen
local function drawLoginScreen()
    term.clear()
    term.setCursorPos(1, 1)
    print("== SECURE TERMINAL LOGIN ==")
    term.setCursorPos(1, 3)
    write("Username: ")
    local inputUsername = read()
    term.setCursorPos(1, 4)
    write("Password: ")
    local inputPassword = read("*")

    if inputUsername == username and inputPassword == password then
        loggedIn = true
        print("Login successful!")
        sleep(1)
    else
        print("Login failed. Access denied.")
        sleep(2)
    end
end

-- Function to draw the main menu
local function drawMenu()
    term.clear()
    term.setCursorPos(1, 1)
    print("== SECURE TERMINAL MENU ==")
    for i, option in ipairs(options) do
        if selectedOption == i then
            term.setTextColor(colors.yellow)
            term.setBackgroundColor(colors.gray)
        else
            term.setTextColor(colors.white)
            term.setBackgroundColor(colors.black)
        end
        term.setCursorPos(2, i + 2)
        term.clearLine()
        term.write(option)
    end
    term.setTextColor(colors.white)
    term.setBackgroundColor(colors.black)
end

-- Function to handle mouse input for menu selection
local function handleMouseInput()
    while true do
        local event, button, x, y = os.pullEvent("mouse_click")
        if button == 1 then -- Left click
            local optionIndex = y - 2
            if optionIndex >= 1 and optionIndex <= #options then
                selectedOption = optionIndex
                drawMenu()
                return
            end
        end
    end
end

-- Function to handle menu selection
local function handleMenuSelection()
    while loggedIn do
        drawMenu()
        handleMouseInput()
        if selectedOption == 1 then
            term.clear()
            print("Are you sure you want to open the door? (y/n)")
            local confirm = read():lower()
            if confirm == "y" then
                print("Opening Door...")
                pulseBundledSignal(colors.green)
            end
            drawMenu()
        elseif selectedOption == 2 then
            term.clear()
            print("Are you sure you want to close the door? (y/n)")
            local confirm = read():lower()
            if confirm == "y" then
                print("Closing Door...")
                pulseBundledSignal(colors.red)
            end
            drawMenu()
        elseif selectedOption == 3 then
            term.clear()
            print("Retrieving logs...")
            sleep(1)
            print(generateCorruptData())
            sleep(4)
            drawMenu()
        elseif selectedOption == 4 then
            term.clear()
            print("Logging Out...")
            sleep(1)
            loggedIn = false
        end
        selectedOption = nil
    end
end

-- Function to reset the terminal after X minutes
local function resetTimer()
    sleep(resetTime)
    loggedIn = false
    print("System reset. Login required again.")
end

-- Main execution
while true do
    if not loggedIn then
        drawLoginScreen()
        if loggedIn then
            parallel.waitForAny(handleMenuSelection, resetTimer)
        else
            sleep(5)
        end
    else
        handleMenuSelection()
    end
end