addEventHandler( 'onClientVehicleEnter', root,
    function( pPlayer )
        if pPlayer == localPlayer then
            addVehicleUpgrade( source, 1010 )
            outputChatBox( 'Nitro installed' )
        end
    end
)

addCommandHandler( 'nitro_count',
    function( _, sCount )
        local pVehicle = getPedOccupiedVehicle( localPlayer )
        if pVehicle then
            setVehicleNitroCount( pVehicle, tostring( sCount ) )
        end
    end
)

addCommandHandler( 'nitro_level',
    function( _, sCount )
        local pVehicle = getPedOccupiedVehicle( localPlayer )
        if pVehicle then
            setVehicleNitroLevel( pVehicle, tostring( sCount ) )
        end
    end
)

addCommandHandler( 'nitro_activated',
    function( _, sValue )
        local pVehicle = getPedOccupiedVehicle( localPlayer )
        if pVehicle then
            setVehicleNitroActivated( pVehicle, sValue == 'true' and true or false )
        end
    end
)


addEventHandler( 'onClientRender', root,
    function()
        if isPedInVehicle( localPlayer ) then
            local pVehicle = getPedOccupiedVehicle( localPlayer )
            if pVehicle then
                local fNitroLevel           = getVehicleNitroLevel( pVehicle )
                local iNitroCount           = getVehicleNitroCount( pVehicle )
                local bIsNitroRecharging    = isVehicleNitroRecharging( pVehicle )
                local bIsNitroActivated     = isVehicleNitroActivated( pVehicle )

                dxDrawText( 'Nitro level = ' .. tostring( fNitroLevel ), 700, 100 )
                dxDrawText( 'Nitro count = ' .. tostring( iNitroCount ), 700, 150 )
                dxDrawText( 'Nitro recharging = ' .. tostring( bIsNitroRecharging ), 700, 200 )
                dxDrawText( 'Nitro ativated = ' .. tostring( bIsNitroActivated ), 700, 250 )
            end
        end
    end
)