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

public class EffectMgr : MonoBehaviourSingletonTemplate<EffectMgr>
{
    Dictionary<string, List<EffectBase>> dic_effect = new Dictionary<string, List<EffectBase>>();
    public bool LoadComplete;

    protected override void Awake()
    {
        base.Awake();
        DontDestroy();
    }

    public IEnumerator Co_Load(Action<float> addslidevalue)
    {
        LoadComplete = false;

        var lst = table_effect.Ins.Get_DataList();
        int totalCount = lst.Count;

        // 슬라이더 35% 사용
        float add1value = 0.35f / totalCount;

        const int batchSize = 10; // 🔹 한 번에 로드할 개수

        for (int batchStart = 0; batchStart < totalCount; batchStart += batchSize)
        {
            int batchEnd = Mathf.Min(batchStart + batchSize, totalCount);

            // 🔹 이번 배치의 로드 코루틴 리스트
            List<Coroutine> coroutines = new List<Coroutine>();

            for (int i = batchStart; i < batchEnd; i++)
            {
                var data = lst[i];

                if (!dic_effect.ContainsKey(data.s_Effect))
                    dic_effect.Add(data.s_Effect, new List<EffectBase>());

                // 🔹 병렬 실행용 코루틴 등록
                coroutines.Add(StartCoroutine(LoadEffect(data, add1value, addslidevalue)));
            }

            // 🔹 배치에 포함된 모든 로드가 끝날 때까지 대기
            foreach (var c in coroutines)
                yield return c;

            // 🔹 한 배치 끝나면 잠깐 쉬어주기 (UI 멈춤 방지)
            yield return null;
        }

        LoadComplete = true;
    }

    private IEnumerator LoadEffect(EffectTableData data, float add1value, Action<float> addslidevalue)
    {
        bool done = false;

        yield return AddrResourceMgr.Ins.LoadObjectSequential<GameObject>(
            $"Ingame/Effect/{data.s_Effect}.prefab",
            prefab =>
            {
                for (int k = 0; k < data.n_LoadAmount; k++)
                {
                    var eff = DSUtil.Get_Clone<EffectBase>(prefab, transform);
#if UNITY_EDITOR
                    if (eff == null)
                        MyEditorDialog.Show_Dialog($"{data.s_Effect} 이펙트에 EffectBase 스크립트가 없습니다.", null);
#endif
                    dic_effect[data.s_Effect].Add(eff);
                    eff.Off();
                }

                addslidevalue?.Invoke(add1value);
                done = true;
            });

        yield return new WaitUntil(() => done);
    }

    EffectBase Get_Effect(string effect)
    {
        if (dic_effect.ContainsKey(effect))
        {
            for (int i = 0; i < dic_effect[effect].Count; i++)
            {
                if (!dic_effect[effect][i].isActiveAndEnabled)
                    return dic_effect[effect][i];
            }

            var neweffect = DSUtil.Get_Clone<EffectBase>(dic_effect[effect][0].gameObject, transform);
            neweffect.gameObject.SetActive(false);
            neweffect.transform.localScale = dic_effect[effect][0].transform.localScale;
            dic_effect[effect].Add(neweffect);
            return neweffect;
        }
        else
            Popup.Ins.Set($"{effect} 이펙트가 없습니다. 테이블을 확인해 주세요.");
        return null;
    }

    public EffectBase Get_EffectBase(string effect) { return Get_Effect(effect); }
    public void Show_Effect(string effect, Vector3 pos, float offtime = 2f)
    {
        var effectobj = Get_Effect(effect);
        if (effectobj != null) effectobj.Set(effect, pos, offtime);
    }
    public EffectBase Show_FollowEffect(string effect, eEffectPivot pivot, Actor actor, Vector3 pos, float offtime = 2f)
    {
        var effectobj = Get_Effect(effect);
        if (effectobj != null) effectobj.Set(effect, pivot, actor, pos, offtime);
        return effectobj;
    }

    public void AllOff()
    {
#if UNITY_EDITOR
        if (MyValue.m_MyStageData.m_EnterType == eStageEnterType.Tool || MyValue.m_MyStageData.m_EnterType == eStageEnterType.Tool_Mob)
            return;
#endif

        foreach (var item in dic_effect)
            for (int i = 0; i < item.Value.Count; i++)
                item.Value[i].Off();
    }
}