startmenu

-- init globals
os.loadAPI("endos/apis/etu")
TermWidth, TermHeight = term.getSize()
SelectedItem = 1
Running = true

-- input handler
local function on_key_pressed(key, menu)
    if key == keys.enter then
        menu[SelectedItem].handler()
    elseif key == keys.up and SelectedItem > 1 then
        SelectedItem = SelectedItem - 1
    elseif key == keys.down and SelectedItem < #menu then
        SelectedItem = SelectedItem + 1
    end
end

--printing methods
local function print_menu(menu)
    for i = 1, #menu do
        if i == SelectedItem then
            etu.print_centered(3+i, ">> " .. menu[i].text .. " <<")
        else
            etu.print_centered(3+i, "   " .. menu[i].text .. "   ")
        end
    end
end

--menu methods
function Host_Server()
    print("wip")
    sleep(2)
end

function Settings()
    print("wip")
    sleep(2)
end

function Command_Line()
    Running = false
    shell.run("endos/.cmd")
end

function Restart()
    os.reboot()
end

function Shut_Down()
    os.shutdown()
end

--menu def
MainMenu = {
    [1] = {text = "Host Server", handler = Host_Server},
    [2] = {text = "Settings", handler = Settings},
    [3] = {text = "Command line", handler = Command_Line},
    [4] = {text = "Restart", handler = Restart},
    [5] = {text = "Shutdown", handler = Shut_Down}
}

function Main()
    while Running do
        term.clear()
        term.setCursorPos(1,1)
        print_menu(MainMenu)

        local event, key = os.pullEvent("key")
        on_key_pressed(key, MainMenu)
    end
end

Main()