using NaughtyAttributes;
using UnityEngine;
public class CameraController : MonoBehaviour
{
    #region Variables
    #region Data
    [Space, Header("Data")]
    [SerializeField] private CameraInputData camInputData = null;

    [Space, Header("Custom Classes")]
    [SerializeField] private CameraSwaying cameraSway = null;

    [System.NonSerialized] public float x;
    [System.NonSerialized] public float y;

    #endregion

    private float refX;
    private float refY;

    #region Settings
    [Space, Header("Look Settings")]
    private const float controllerSensitivityMultiplier = 4000.0f;
    private const float aimingSensitivityMultiplier = 0.4f;
    [HideInInspector] public float sensitivity = 1.0f;
    [SerializeField] private Vector2 smoothAmount = Vector2.zero;
    [SerializeField][MinMaxSlider(-90f, 90f)] private Vector2 lookAngleMinMax = Vector2.zero;
    #endregion

    #region Private
    private float yawVelocity;
    private float pitchVelocity;
    private float m_yaw;
    private float m_pitch;

    [HideInInspector] public float m_desiredYaw;
    [HideInInspector] public float m_desiredPitch;

    #region Components                    
    private Transform m_pitchTranform;
    [HideInInspector] public Camera playerCam;
    #endregion
    #endregion

    #endregion

    #region BuiltIn Methods  
    void Awake()
    {
        GetComponents();
        InitValues();
        InitComponents();
    }

    private void Start()
    {
        Player.Instance.LockCursor(true);
    }

    void LateUpdate()
    {
        CalculateRotation();
        SmoothRotation();
        ApplyRotation();
    }
    #endregion

    #region Custom Methods
    void GetComponents()
    {
        m_pitchTranform = transform.GetChild(0).transform;
        playerCam = GetComponentInChildren<Camera>();
    }

    void InitValues()
    {
        m_yaw = transform.eulerAngles.y;
        m_desiredYaw = m_yaw;
    }

    public Ray CameraRay => new Ray(playerCam.transform.position, playerCam.transform.forward);

    void InitComponents()
    {
        cameraSway.Init(playerCam.transform);
    }

    void CalculateRotation()
    {
        if (Player.Instance.updatePlayer && Player.Instance.IsAlive())
        {
            bool usingGamePad = Player.Instance.GetInputHandler().UsingGamePad;
            float baseSensitivity = usingGamePad ? sensitivity * controllerSensitivityMultiplier * Time.fixedDeltaTime : sensitivity;
            float lookSpeed = Player.Instance.IsAiming ? baseSensitivity * aimingSensitivityMultiplier : baseSensitivity;

            m_desiredYaw += camInputData.InputVectorX * lookSpeed;
            m_desiredPitch -= camInputData.InputVectorY * lookSpeed;

            m_desiredPitch = Mathf.Clamp(m_desiredPitch, lookAngleMinMax.x, lookAngleMinMax.y);
        }
    }

    void SmoothRotation()
    {
        bool rawInput = SettingsMenu.Instance.ToggleRawInput;
        if (rawInput)
        {
            m_yaw = m_desiredYaw;
            m_pitch = m_desiredPitch;
        }
        else
        {
            m_yaw = Mathf.SmoothDampAngle(m_yaw, m_desiredYaw, ref refX, smoothAmount.x);
            m_pitch = Mathf.SmoothDampAngle(m_pitch, m_desiredPitch, ref refY, smoothAmount.y);
        }
    }

    void ApplyRotation()
    {
        transform.root.eulerAngles = new Vector3(0f, m_yaw, 0f);
        m_pitchTranform.localEulerAngles = new Vector3(m_pitch, 0f, 0f);
    }

    public void AddAimAssist(Vector3 direction)
    {
        //Transform cameraTransform = transform.root;

        float yaw = Vector3.SignedAngle(Vector3.forward, direction, Vector3.up);
        //float pitch = Vector3.SignedAngle(cameraTransform.forward, direction, cameraTransform.right);

        m_desiredYaw = Mathf.LerpAngle(m_desiredYaw, yaw, Time.fixedDeltaTime * 2);
        //m_desiredPitch = Mathf.LerpAngle(m_desiredPitch, pitch, Time.fixedDeltaTime * 2);
    }

    public void SetRotation()
    {
        m_desiredYaw = m_yaw;
        m_desiredPitch = m_pitch;
    }

    public void HandleSway(Vector3 _inputVector, float _rawXInput)
    {
        cameraSway.SwayPlayer(_inputVector, _rawXInput);
    }
    #endregion
}