addEventHandler("onClientResourceStart", getResourceRootElement(getThisResource()),
    function ()
        createLoginWindow()
        guiSetVisible(wdwLogin, true)
        showCursor(true)
        guiSetInputEnabled(true)

        outputChatBox("Welcome to My MTA:SA Server, please log in.")

        fadeCamera(true, 5)

        showPlayerHudComponent("radar", false)
        showPlayerHudComponent("wanted", false)
        showPlayerHudComponent("clock", false)
        showPlayerHudComponent("armour", false)
        showPlayerHudComponent("area_name", false)
        showPlayerHudComponent("ammo", false)
        showPlayerHudComponent("weapon", false)

        setCameraMatrix(1468.8785400391, -919.25317382813, 100.153465271, 1468.388671875, -918.42474365234, 99.881813049316)
    end
)

addEvent("loginResponse", true)
addEventHandler("loginResponse", getRootElement(),
    function (response)
        outputChatBox("("..response..")")
        if response == 1 then
            outputChatBox("Nieprawidlowy nick lub haslo.")
        else
            triggerServerEvent("SetPlayerSpawn", getRootElement())
        end
    end
)
addEvent("HideLoginGUI", true)
addEventHandler("HideLoginGUI", getRootElement(),
    function ()
        guiSetVisible(wdwLogin, false)
        showCursor(false)
        guiSetInputEnabled(false)
    end
)

function createLoginWindow()
    local X = 0.375
    local Y = 0.375
    local Width = 0.25
    local Height = 0.25
    wdwLogin = guiCreateWindow(X, Y, Width, Height, "Please Log In", true)
    guiWindowSetMovable(wdwLogin, false)

    X = 0.0825
    Y = 0.2
    Width = 0.25
    Height = 0.25
    guiCreateLabel(X, Y, Width, Height, "Username", true, wdwLogin)
    Y = 0.5
    guiCreateLabel(X, Y, Width, Height, "Password", true, wdwLogin)

    X = 0.415
    Y = 0.2
    Width = 0.5
    Height = 0.15
    edtUser = guiCreateEdit(X, Y, Width, Height, "", true, wdwLogin)
    Y = 0.5
    edtPass = guiCreateEdit(X, Y, Width, Height, "", true, wdwLogin)
    guiEditSetMaxLength(edtUser, 32)
    guiEditSetMaxLength(edtPass, 32)
    guiEditSetMasked(edtPass, true)

    X = 0.415
    Y = 0.7
    Width = 0.25
    Height = 0.2
    btnLogin = guiCreateButton(X, Y, Width, Height, "Log In", true, wdwLogin)

    addEventHandler("onClientGUIClick", btnLogin, clientSubmitLogin, false)
end

function clientSubmitLogin(button,state)
    if button == "left" and state == "up" then
        local username = guiGetText(edtUser)
        local password = guiGetText(edtPass)

        if username and password then
            triggerServerEvent("submitLogin", getRootElement(), username, password)
        else
            outputChatBox("Please enter a username and password.")
        end
    end
end