using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;

public class PlayerMovement_Jpystick : MonoBehaviour, IDragHandler
{
    public FixedJoystick joystick;  // 引用 Fixed Joystick
    public Transform cameraTransform;  // 引用主摄像机的 Transform
    public float moveSpeed = 5f;

    public CharacterControl characterControl;
    private CharacterAin Characterain;

    public Camera mainCamera;

    public Rigidbody rb;
    // 定义相机 FOV 相关变量
    public float normalFOV = 60f;  // 正常行走时的FOV
    public float sprintFOV = 120f;  // 奔跑时的FOV
    public float fovChangeSpeed = 2f;  // FOV改变的速

  // 触摸ID变量，用于区分左右区域触摸
    private int leftFingerId = -1;
    private int rightFingerId = -1;

    private bool IsMoving = false;
    //跑步切换的时间
    private float MoveTime = 0f;
    //走路的时间
    public float walkTime;
    //跑的时间
    public float runTime;
    //跑步时平滑切换fov
    private float targetFOV;
    public CameraControl cameraControl;
    private void Start()
    {
        characterControl = GetComponent<CharacterControl>();
        Characterain = GetComponent<CharacterAin>();
        //rb = GetComponent<Rigidbody>();
        Debug.Log("------------------"+rb);
    }

    public void OnDrag(PointerEventData eventData)
    {
        Debug.Log("=-=-----");
    }

        

    public void HandleJoystickControl(float horizontal, float vertical)
    {


        // 2. 转换为三维方向向量 (保持在水平面)
        //Vector3 inputDirection = new Vector3(horizontal, 0f, vertical);

        // 3. 获取移动方向相对于摄像机的世界方向
        Vector3 cameraForward = cameraTransform.forward; // 摄像机的前向方向
        Vector3 cameraRight = cameraTransform.right; // 摄像机的右方向

        // 由于我们只需要水平的移动方向，去掉摄像头的y轴分量
        cameraForward.y = 0;
        cameraRight.y = 0;

        cameraForward.Normalize();
        cameraRight.Normalize();

        // 4. 计算最终的移动方向 (相对于摄像机的前后左右)
        Vector3 moveDirection = (cameraRight * horizontal + cameraForward * vertical).normalized;


        if (Mathf.Abs(vertical) > 0.01f || Mathf.Abs(horizontal) > 0.01f)
        {
            if (MoveTime < (walkTime + runTime + 0.1f))
            {
                MoveTime += Time.deltaTime;
            }
        }
        // 5. 应用移动
        if (moveDirection.magnitude > 0.1f)
        {
            

            // 使用速度移动角色
            Vector3 newPosition = rb.position + moveDirection * moveSpeed * Time.deltaTime;
            rb.MovePosition(newPosition);
            MoveState();
            // 使角色面朝移动方向
            Quaternion toRotation = Quaternion.LookRotation(moveDirection, Vector3.up);
            transform.rotation = Quaternion.RotateTowards(transform.rotation, toRotation, 720 * Time.deltaTime);
        }



    }

    public void HandleViewSwipe()
    {
        cameraControl.CamerMove();
    //    // 滑动视角逻辑
    //    float horizontalSwipe = touch.deltaPosition.x * 0.1f; // 可调整灵敏度
    //    float verticalSwipe = -touch.deltaPosition.y * 0.1f;

    //    cameraTransform.Rotate(0, horizontalSwipe, 0, Space.World);
    //    cameraTransform.Rotate(verticalSwipe, 0, 0, Space.Self);
    }

    public void MoveState()
    {
        if (MoveTime < walkTime)  // 慢走
        {
            Characterain.SetPlayerState(CharacterState.SlowWalk);
            targetFOV = normalFOV; // 设置目标FOV为正常值
        }
        else if (MoveTime < (walkTime + runTime)) // 普通行走 
        {
            Characterain.SetPlayerState(CharacterState.walk);
            targetFOV = normalFOV + 30f; // 设置目标FOV为增加值
        }
        else  // 奔跑
        {
            Characterain.SetPlayerState(CharacterState.run);
            targetFOV = sprintFOV; // 设置目标FOV为奔跑值
        }

        // 使用插值平滑调整相机的FOV
        mainCamera.fieldOfView = Mathf.Lerp(mainCamera.fieldOfView, targetFOV, fovChangeSpeed * Time.deltaTime);
    }


}