using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;

/// <summary>
/// 屏幕操作
/// </summary>
public class ScreenOperation
{
    /// <summary>
    /// 点击次数
    /// </summary>
    private int tapNumber;

    /// <summary>
    /// 用于双击的变量
    /// </summary>
    private float lastTapTime = 0f;

    /// <summary>
    /// 双击间隔阈值（秒）
    /// </summary>
    private float doubleTapThreshold = 0.3f;

    /// <summary>
    /// 手指开始位置
    /// </summary>
    private Vector3 scenePos;

    /// <summary>
    /// 滑动屏幕
    /// </summary>
    public void SliderScreen(UnityAction leftAction, UnityAction rightAction)
    {
        if (Scenes.Instance.gameScene != null && Scenes.Instance.e_GameState == E_GameState.Gameing)
        {
            if (Input.touchCount == 1)
            {
                if (Input.touches[0].phase == TouchPhase.Began)
                {
                    scenePos = Input.touches[0].position;
                }
                if (Input.touches[0].phase == TouchPhase.Ended && Input.touches[0].phase != TouchPhase.Canceled)
                {
                    Vector2 pos = Input.touches[0].position;

                    if (Mathf.Abs(scenePos.x - pos.x) > Mathf.Abs(scenePos.y - pos.y))
                    {
                        // 手指向左滑动
                        if (scenePos.x > pos.x)
                        {
                            tapNumber = 0;
                            leftAction?.Invoke();
                        }
                        else if (scenePos.x < pos.x)
                        {
                            tapNumber = 0;
                            rightAction?.Invoke();
                        }
                    }
                }
            }
        }
    }

    /// <summary>
    /// 双击屏幕
    /// </summary>
    public void DetectDoubleTap(UnityAction doubleTapAction)
    {
        if (Scenes.Instance.gameScene != null && Scenes.Instance.e_GameState == E_GameState.Gameing)
        {
            if (Input.touchCount == 1)  // 如果正在滑动则不触发双击事件
            {
                if (Input.touches[0].phase == TouchPhase.Began)
                {
                    tapNumber++;
                    // 检查双击时间间隔
                    if (Time.time - lastTapTime < doubleTapThreshold)
                    {
                        if (tapNumber >= 2)
                        {
                            // 双击触发事件
                            doubleTapAction?.Invoke();
                        }
                    }
                    lastTapTime = Time.time;
                }
            }
        }
    }
}