using System;
using ECM2;
using UnityEngine;

namespace NBF
{
    public class PlayerCharacter : Character
    {
        public GameObject cameraParent;

        private float _cameraPitch;
        private FPlayer _player;
        [HideInInspector] public int nextShowSlotIndex = -1;


        [Space(15.0f)] public bool invertLook = true;
        [Tooltip("视角旋转敏感度")] public Vector2 sensitivity = new Vector2(0.05f, 0.05f);

        [Space(15.0f)] public float minPitch = -80.0f;
        public float maxPitch = 80.0f;

        [Tooltip("手上下最大角度")] public Vector2 handMaxAngle = new Vector2(0, 0);

        public bool IsSelf;

        protected override void Start()
        {
            base.Start();

            _player = GetComponent<FPlayer>();
            IsSelf = _player.Data.PlayerID == GameModel.RoleID;
            cameraParent = _player.CameraRoot.gameObject;
            if (IsSelf)
            {
                camera = BaseCamera.Main;
            }

            transform.position = _player.Data.position;
            transform.rotation = _player.Data.rotation;

            App.Inst.SetMouseCurrsor(false);

            InputManager.OnQuickIndexAction += OnQuickIndexAction;
            InputManager.OnUseTorchAction += OnUseTorchAction;
            InputManager.OnUseTelescopeAction += OnUseTelescopeAction;
        }

        private void Update()
        {
            UpdatePlayerPositionAndRotation();
            UpdateGear();
        }

        protected virtual void LateUpdate()
        {
            UpdateCameraParentRotation();
            UpdatePlayerHandView();
        }


        protected override void Reset()
        {
            base.Reset();
            SetRotationMode(RotationMode.None);
        }

        private void OnDestroy()
        {
            InputManager.OnQuickIndexAction -= OnQuickIndexAction;
            InputManager.OnUseTorchAction -= OnUseTorchAction;
            InputManager.OnUseTelescopeAction -= OnUseTelescopeAction;
        }

        #region 肩膀控制

        private void UpdatePlayerHandView()
        {
            // var backValue = 0f;

            var angle = cameraParent.transform.localEulerAngles.x;
            angle = (angle > 180f) ? angle - 360f : angle;
            angle *= -1;
            if (angle > handMaxAngle.x)
            {
                angle = handMaxAngle.x;
            }
            else if (angle < handMaxAngle.y)
            {
                angle = handMaxAngle.y;
            }

            Debug.Log(angle);
            _player.BackSpine.localRotation *= Quaternion.Euler(0, 0, angle);
        }

        #endregion

        #region 钓组控制

        private void UpdateGear()
        {
            if (_player.CanChangeGear())
            {
                if (nextShowSlotIndex > 0)
                {
                    Debug.LogError("切换钓组=========");
                    var data = Fishing.Inst.Datasource;
                    data.SetSelfTestGear(nextShowSlotIndex);
                    nextShowSlotIndex = -1;
                }
            }
        }

        #endregion

        #region 角色位移和旋转控制

        private void UpdatePlayerPositionAndRotation()
        {
            // Move
            Vector2 movementInput = InputManager.GetMovementInput();

            Vector3 movementDirection = Vector3.zero;

            movementDirection += Vector3.forward * movementInput.y;
            movementDirection += Vector3.right * movementInput.x;

            movementDirection =
                movementDirection.relativeTo(cameraTransform, GetUpVector());

            SetMovementDirection(movementDirection);

            // Look
            Vector2 lookInput = InputManager.GetLookInput() * sensitivity;

            AddControlYawInput(lookInput.x);
            AddControlPitchInput(invertLook ? -lookInput.y : lookInput.y, minPitch, maxPitch);
        }

        /// <summary>
        /// 添加输入（影响偏航）。
        /// 此操作应用于角色的旋转。
        /// </summary>
        public virtual void AddControlYawInput(float value)
        {
            if (value != 0.0f)
                AddYawInput(value);
        }

        /// <summary>
        /// 添加输入（影响俯仰）。
        /// 此操作应用于相机父级的本地旋转。
        /// </summary>
        public virtual void AddControlPitchInput(float value, float minPitch = -80.0f, float maxPitch = 80.0f)
        {
            if (value != 0.0f)
                _cameraPitch = MathLib.ClampAngle(_cameraPitch + value, minPitch, maxPitch);
        }

        /// <summary>
        /// 根据当前的 _cameraPitch 值更新 cameraParent 的本地旋转。
        /// </summary>
        protected virtual void UpdateCameraParentRotation()
        {
            cameraParent.transform.localRotation = Quaternion.Euler(_cameraPitch, 0.0f, 0.0f);
        }

        #endregion

        #region 按键输入事件

        private void OnQuickIndexAction(int index)
        {
            nextShowSlotIndex = index;
        }

        private void OnUseTorchAction(bool ret)
        {
            if (!ret)
            {
                _player.Data.openLight = !_player.Data.openLight;
            }
        }

        private void OnUseTelescopeAction(bool ret)
        {
            if (!ret)
            {
                _player.Data.openTelescope = !_player.Data.openTelescope;
                _player.ToggleTelescope();
            }
        }

        #endregion
    }
}