local enabled = false
local station = 'RADIO_02_POP'

local function notify(message) exports.devx_core:Notify(message) end

local function apply(vehicle)
    if not vehicle or vehicle == 0 then return end
    if enabled then
        SetVehicleRadioEnabled(vehicle, true)
        SetVehRadioStation(vehicle, station)
        SetRadioToStationName(station)
    else
        SetVehRadioStation(vehicle, 'OFF')
        SetVehicleRadioEnabled(vehicle, false)
    end
end

local function toggle()
    local ped = PlayerPedId()
    local vehicle = GetVehiclePedIsIn(ped, false)
    if vehicle == 0 then notify('Das Radio ist nur in einem Fahrzeug verfügbar.'); return end
    enabled = not enabled
    apply(vehicle)
    notify(enabled and 'Radio: Non-Stop-Pop FM' or 'Radio ausgeschaltet.')
end

RegisterCommand('radio', toggle, false)
RegisterCommand('+devxradio', toggle, false)
RegisterCommand('-devxradio', function() end, false)
RegisterKeyMapping('+devxradio', 'Fahrzeugradio: Non-Stop-Pop FM / Aus', 'keyboard', 'R')

CreateThread(function()
    local lastVehicle = 0
    while true do
        local ped = PlayerPedId()
        local vehicle = GetVehiclePedIsIn(ped, false)
        if vehicle ~= 0 then
            -- Hide the standard station wheel and keep the allowed state enforced.
            DisableControlAction(0, 81, true)
            DisableControlAction(0, 82, true)
            DisableControlAction(0, 85, true)
            if vehicle ~= lastVehicle then apply(vehicle); lastVehicle = vehicle end
            if enabled and GetPlayerRadioStationName() ~= station then apply(vehicle) end
            Wait(0)
        else
            lastVehicle = 0
            Wait(500)
        end
    end
end)