local M = {}
local volume, pitch = 1.5, 1
local camNode = 0
local timer = 0
local lastDoorState = false
local doorChimePlaying = false
local nextDoorChimeTime = 0
local chimeDuration = 1.0   -- door chime duration

-- Parking brake chime state
local parkingBrakeChimePlaying = false
local nextParkingBrakeChimeTime = 0
local parkingBrakeChimeDuration = 0.5   -- independent duration for parking brake chime
local lastParkingBrakeOn = false        -- track state for release/apply sound

-- Auto-brake "frein assisté" state
local autoBrakeApplied = false
local autoReleased = false
local lastIgnition = 0
local brakeEngagedThisFrame = false

local function inside()
    local cam = obj:getCameraPosition()
    local seat = obj:getPosition() + obj:getNodePosition(camNode)
    return cam and seat and cam:distance(seat) <= 0.6
end

local function handleAutoBrake(anyDoorOpen, throttle, ignitionLevel, parkingBrakeInput, parkingBrakePhys)
    -- Reset flags when ignition turns off
    if ignitionLevel == 0 and lastIgnition > 0 then
        autoBrakeApplied = false
        autoReleased = false
    end

    -- Auto apply below ignition 2 if not already applied
    if ignitionLevel < 2 then
        if parkingBrakeInput < 0.01 and not autoBrakeApplied then
            input.event("parkingbrake", 1) -- apply brake
            autoBrakeApplied = true
            autoReleased = false
        end
    elseif ignitionLevel >= 2 then
        -- Release logic: only if input = 1, throttle pressed, doors closed, not released yet
        if parkingBrakeInput > 0.01 and throttle > 0.05 and not anyDoorOpen and not autoReleased then
            input.event("parkingbrake", 0) -- release brake
            autoReleased = true
        elseif parkingBrakeInput < 0.01 and not autoBrakeApplied then
            input.event("parkingbrake", 1) -- ensure brake applied if needed
            autoBrakeApplied = true
        end
    end

    lastIgnition = ignitionLevel
end

local function update(dt)
    -- Door / trunk / hood check
    local driverDoorOpen = (electrics.values['door_FL_coupler_notAttached'] == 1)
    local passengerDoorOpen = (electrics.values['door_FR_coupler_notAttached'] == 1 or 
                               electrics.values['door_RL_coupler_notAttached'] == 1 or 
                               electrics.values['door_RR_coupler_notAttached'] == 1 or
                               electrics.values['tailgateCoupler_notAttached'] == 1 or 
                               electrics.values['hoodLatchCoupler_notAttached'] == 1)
    local anyDoorOpen = driverDoorOpen or passengerDoorOpen

    local ignitionLevel = electrics.values['ignitionLevel'] or 0
    local lightsState = electrics.values['lights_state'] or 0
    local lightsOn = (lightsState == 1 or lightsState == 2)
    local throttle = electrics.values.throttle or 0

    -- Door chime logic
    local doorChimeActive = false
    if ignitionLevel == 2 then
        doorChimeActive = passengerDoorOpen
    elseif ignitionLevel == 1 then
        doorChimeActive = lightsOn
    end

    -- Parking brake state
    local parkingBrakePhys = electrics.values.parkingbrake or 0
    local parkingBrakeInput = electrics.values.parkingbrake_input or 0
    local brakeChimeActive = (ignitionLevel > 1) and (parkingBrakeInput < 0.01) and driverDoorOpen

    -- === Door chime playback ===
    if inside() then
        if doorChimeActive then
            if not doorChimePlaying then
                obj:playSFXOnce("VivacedoorChime.wav", camNode, volume, pitch)
                doorChimePlaying = true
                nextDoorChimeTime = timer + chimeDuration
            elseif timer >= nextDoorChimeTime then
                obj:playSFXOnce("VivacedoorChime.wav", camNode, volume, pitch)
                nextDoorChimeTime = timer + chimeDuration
            end
        else
            if doorChimePlaying then
                doorChimePlaying = false
                obj:playSFXOnce("chimeOff.wav", camNode, volume, pitch)
            end
        end
    else
        doorChimePlaying = false
    end

    -- === Parking brake chime playback ===
    if inside() then
        if brakeChimeActive then
            if not parkingBrakeChimePlaying then
                obj:playSFXOnce("parkingbrake.wav", camNode, volume, pitch)
                parkingBrakeChimePlaying = true
                nextParkingBrakeChimeTime = timer + parkingBrakeChimeDuration
            elseif timer >= nextParkingBrakeChimeTime then
                obj:playSFXOnce("parkingbrake.wav", camNode, volume, pitch)
                nextParkingBrakeChimeTime = timer + parkingBrakeChimeDuration
            end
        else
            parkingBrakeChimePlaying = false
        end
    else
        parkingBrakeChimePlaying = false
    end

    -- === Auto parking brake handling ===
    handleAutoBrake(anyDoorOpen, throttle, ignitionLevel, parkingBrakeInput, parkingBrakePhys)

    -- === Parking brake sounds ===
    if parkingBrakePhys > 0.01 and not lastParkingBrakeOn then
        if inside() then
            obj:playSFXOnce("parkingBrakeOn.wav", camNode, 0.2, 1.3)
        else
            obj:playSFXOnce("parkingBrakeOn.wav", camNode, 1.2, 1.3)
        end
    elseif lastParkingBrakeOn and parkingBrakePhys < 0.01 then
        if inside() then
            obj:playSFXOnce("parkingBrakeOff.wav", camNode, 0.2, 1.3)
        else
            obj:playSFXOnce("parkingBrakeOff.wav", camNode, 1.2, 1.3)
        end
    end
    lastParkingBrakeOn = parkingBrakePhys > 0.01

    timer = timer + dt
    lastDoorState = doorChimeActive
end

local function init()
    camNode = beamstate.nodeNameMap["driver"] or 0
    obj:createSFXSource("/art/sound/vivace/VivacedoorChime.wav", "Audio2D", "VivacedoorChime.wav", -1)
    obj:createSFXSource("/art/sound/vivace/chimeOff.wav", "Audio2D", "chimeOff.wav", -1)
    obj:createSFXSource("/art/sound/vivace/parkingbrake.wav", "Audio2D", "parkingbrake.wav", -1)
    obj:createSFXSource("/art/sound/vivace/parkingBrakeOff.wav", "Audio2D", "parkingBrakeOff.wav", -1)
    obj:createSFXSource("/art/sound/vivace/parkingBrakeOn.wav", "Audio2D", "parkingBrakeOn.wav", -1)
end

M.onInit = init
M.updateGFX = update
return M