using UnityEngine;
using System.Collections.Generic;
using UnityEngine.InputSystem;
using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;
namespace Gley.UrbanSystem.Internal
{
    /// <summary>
    /// This class is for testing purpose only
    /// It is the car controller provided by Unity:
    /// https://docs.unity3d.com/Manual/WheelColliderTutorial.html
    /// </summary>
    
    [System.Serializable]
    public class AxleInfo
    {
        public WheelCollider leftWheel;
        public WheelCollider rightWheel;
        public bool motor;
        public bool steering;
        
        
    }




    public class PlayerCar : MonoBehaviour
    {
        public InputActionReference vrJoystick;
        public List<AxleInfo> axleInfos;
        public Transform centerOfMass;
        public float maxMotorTorque;
        public float maxSteeringAngle;
        IVehicleLightsComponent lightsComponent;
        bool mainLights;
        bool brake;
        bool reverse;
        bool blinkLeft;
        bool blinkRifgt;
        float realtimeSinceStartup;
        Rigidbody rb;
        public InputActionProperty joystick;
        public InputActionAsset inputActions;
        public GameObject steeringWheel;

        private InputAction moveCar;

        UIInput inputScript;

        public Volume postProcessingVolume;
            private Vignette vignette; // To hold the vignette effect
    public float vignetteMin = 0.2f; // Minimum vignette intensity
    public float vignetteMax = 0.6f; // Maximum vignette intensity
    public float speedVignetteMultiplier = 0.01f; // How much speed affects vignette intensity

    


        private void OnEnable()
        {
            joystick.action.Enable();
        }

        private void OnDisable()
        {
            joystick.action.Disable();
        }

        private void Start()
        {
            GetComponent<Rigidbody>().centerOfMass = centerOfMass.localPosition;
            inputScript = gameObject.AddComponent<UIInput>().Initialize();
            lightsComponent = gameObject.GetComponent<VehicleLightsComponent>();
            lightsComponent.Initialize();
            rb = GetComponent<Rigidbody>();
        }

        // finds the corresponding visual wheel
        // correctly applies the transform
        public void ApplyLocalPositionToVisuals(WheelCollider collider)
        {
            if (collider.transform.childCount == 0)
            {
                return;
            }

            Transform visualWheel = collider.transform.GetChild(0);

            Vector3 position;
            Quaternion rotation;
            collider.GetWorldPose(out position, out rotation);

            visualWheel.transform.position = position;
            visualWheel.transform.rotation = rotation;
        }

        public void UpdateSteeringWheel(float steering)
        {
            steeringWheel.transform.localEulerAngles = Vector3.forward * steering * 2 *-1;

        }

        public void FixedUpdate()
        {
            Vector2 joystickInput = vrJoystick.action.ReadValue<Vector2>();
            float motor = maxMotorTorque * (inputScript.GetVerticalInput() + joystickInput.y);

            float steering = maxSteeringAngle * (inputScript.GetHorizontalInput() + joystickInput.x);
            UpdateSteeringWheel(steering);
#if UNITY_6000_0_OR_NEWER
            var velocity = rb.linearVelocity;
#else
            var velocity = rb.velocity;
#endif
            float localVelocity = transform.InverseTransformDirection(velocity).z + 0.1f;
            reverse = false;
            brake = false;
            if (localVelocity < 0)
            {
                reverse = true;
            }

            if (motor < 0)
            {
                if (localVelocity > 0)
                {
                    brake = true;
                }
            }
            else
            {
                if (motor > 0)
                {
                    if (localVelocity < 0)
                    {
                        brake = true;
                    }
                }
            }

            foreach (AxleInfo axleInfo in axleInfos)
            {
                if (axleInfo.steering)
                {
                    axleInfo.leftWheel.steerAngle = steering;
                    axleInfo.rightWheel.steerAngle = steering;
                }
                if (axleInfo.motor)
                {
                    axleInfo.leftWheel.motorTorque = motor;
                    axleInfo.rightWheel.motorTorque = motor;
                }
                ApplyLocalPositionToVisuals(axleInfo.leftWheel);
                ApplyLocalPositionToVisuals(axleInfo.rightWheel);
            }
            UpdateVignetteEffect(localVelocity);
        }

        private void UpdateVignetteEffect(float localVelocity)
    {
        if (vignette != null)
        {
            // Calculate vignette intensity based on speed
            float speed = Mathf.Abs(localVelocity);
            float vignetteIntensity = Mathf.Clamp(vignetteMin + speed * speedVignetteMultiplier, vignetteMin, vignetteMax);
            vignette.smoothness.Override(vignetteIntensity);
        }
    }

        private void Update()
        {
            realtimeSinceStartup += Time.deltaTime;
            if (Input.GetKeyDown(KeyCode.Space))
            {
                mainLights = !mainLights;
                lightsComponent.SetMainLights(mainLights);
            }

            if (Input.GetKeyDown(KeyCode.Q))
            {
                blinkLeft = !blinkLeft;
                if (blinkLeft == true)
                {
                    blinkRifgt = false;
                    lightsComponent.SetBlinker(BlinkType.BlinkLeft);
                }
                else
                {
                    lightsComponent.SetBlinker(BlinkType.Stop);
                }
            }

            if (Input.GetKeyDown(KeyCode.E))
            {
                blinkRifgt = !blinkRifgt;
                if (blinkRifgt == true)
                {
                    blinkLeft = false;
                    lightsComponent.SetBlinker(BlinkType.BlinkRight);
                }
                else
                {
                    lightsComponent.SetBlinker(BlinkType.Stop);
                }
            }

            lightsComponent.SetBrakeLights(brake);
            lightsComponent.SetReverseLights(reverse);
            lightsComponent.UpdateLights(realtimeSinceStartup);
        }
    }
    
}