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

public class GatheringBall : MonoBehaviour, IPointerClickHandler,IPointerEnterHandler,IPointerExitHandler
{
    public float Radius = 10f;
    public Dictionary<Transform, Vector3> GatherBalls = new();
    public Dictionary<Transform, Vector3> DivorceBalls = new();
    public float Force = 10f;
    public int MaxCapacity = 100;
    private int count = 0;
    public GameObject GatheringBallObject;
    public ParticleSystem Releaserpc;
    public GameObject ExcludeFaithForce;

    private int curCapacityLevel = 0;
    private int[] Levels = new int[3]{ 100, 1000, 10000 };
    void Update()
    {
        foreach (var balls in GatherBalls)
        {
            var ballTrans = balls.Key;
            var ballVelocity = balls.Value;
            ballVelocity += (transform.position - ballTrans.position) * Time.deltaTime;
            ballTrans.position += ballVelocity * (Time.deltaTime * Force);
        }
        
    }

    public void CapacityUpgrade()
    {
        //后面要补颜色变化逻辑
        curCapacityLevel++;
        MaxCapacity = Levels[curCapacityLevel];
        Debug.Log("curCapacity:"+MaxCapacity);
    }

    public void AddBall(GameObject gameObject, Vector3 position)
    {
        gameObject.transform.position = position;
        if (GatherBalls.Count > MaxCapacity)
        {
            DivorceBalls[gameObject.transform] = Vector3.zero;
        }
        else
        {
            gameObject.transform.SetParent(this.transform);
            GatherBalls[gameObject.transform] = Vector3.zero;
        }
    }
    //Max 3
    public void AddFaith(int num)
    {
        //Debug.Log("CurrentFaith "+count);
        if (count + num <= MaxCapacity)
        {
            count+=num;
            GatheringBallObject.transform.localScale += 3*Vector3.one*num/MaxCapacity;
        }
        else
        {
            ExcludeFaithForce.gameObject.SetActive(true);
        }
    }
    private bool isCoroutineRunning = false;        // 标记协程状态

    public void OnPointerEnter(PointerEventData eventData)
    {
        CursorManager.Instance.SetHover();
    }
    public void OnPointerExit(PointerEventData eventData)
    {
        CursorManager.Instance.SetNormal(); 
    }
    public void OnPointerClick(PointerEventData eventData)
    {
        if (!isCoroutineRunning)
        {
            StartCoroutine(EmitParticlesAndReduceScale());
        }
        GatherBalls.Clear();
    }
    
    private IEnumerator EmitParticlesAndReduceScale()
    {
        
        float xIncreaseInterval = 0.5f / 10;
        int incrementAmount = count / 10;
    
        for (int i = 0; i < 10; i++)
        {
            FindObjectOfType<TopBarUI>().EmitFaith(incrementAmount, transform.position);
            // GameProcedureManager.Instance.FaithCount +=  incrementAmount;
            yield return new WaitForSeconds(xIncreaseInterval);
        }
        
        // FindObjectOfType<TopBarUI>().EmitFaith(count,transform.position);
        ExcludeFaithForce.gameObject.SetActive(false);
         print("释放信仰");
         //Singleton<GameProcedureManager>.Instance.FaithCount += count;
        //
         //ExcludeFaithForce.gameObject.SetActive(false);
         isCoroutineRunning = true;
         float elapsedTime = 0f;
         float emissionDuration = count / (float)(Levels[curCapacityLevel]);
         float scaleReductionSpeed = GatheringBallObject.transform.localScale.x / emissionDuration;
        // // 启用粒子系统，并设置发射速率
         //var emissionModule = Releaserpc.emission;
         //emissionModule.rateOverTime = count / emissionDuration;
         //Releaserpc.Play();
         count = 0;
         // 每帧缩减GatheringBallObject的scale，保持匀速减小
         while (elapsedTime < emissionDuration)
        {
            // 缩减GatheringBallObject的scale
            float scaleReduction = scaleReductionSpeed * Time.deltaTime;
            GatheringBallObject.transform.localScale -= new Vector3(scaleReduction, scaleReduction, scaleReduction);
             
             // 确保scale不会缩减到负值
             //GatheringBallObject.transform.localScale = Vector3.Max(GatheringBallObject.transform.localScale, Vector3.zero);
             elapsedTime += Time.deltaTime;
             yield return null;
         }
        //
        // // 停止粒子系统
         //Releaserpc.Stop();
         isCoroutineRunning = false;
        yield return null;
    }
}