using Core.Health;
using TowerDefense.Agents;
using TowerDefense.Level;
using UnityEngine;
using KTGMGemClient;
using System.Collections.Generic;
using Core.Utilities;
using DG.Tweening;

namespace TowerDefense.Economy
{
    /// <summary>
    /// A class that adds money to the currency when the attached DamagableBehaviour dies
    /// 每一个Agent都会有一个LootDrop类，对应的DamageableBehaviour分别派生自：
    /// Agent--Targetable--DamageableBehaviour
    /// </summary>
    [RequireComponent(typeof(DamageableBehaviour))]
    public class LootDrop : MonoBehaviour
    {
        /// <summary>
        /// The amount of loot/currency dropped when object "dies"
        /// </summary>
        public int lootDropped;

        /// <summary>
        /// The attached DamagableBehaviour
        /// </summary>
        protected DamageableBehaviour m_DamageableBehaviour;

        /// <summary>
        /// Caches attached DamageableBehaviour
        /// </summary>
        protected virtual void OnEnable()
        {
            if (m_DamageableBehaviour == null)
            {
                m_DamageableBehaviour = GetComponent<DamageableBehaviour>();
            }
            m_DamageableBehaviour.configuration.died += OnDeath;
        }

        /// <summary>
        /// Unsubscribed from the <see cref="m_DamageableBehaviour"/> died event
        /// </summary>
        protected virtual void OnDisable()
        {
            m_DamageableBehaviour.configuration.died -= OnDeath;
        }

        /// <summary>
        /// The callback for when the attached object "dies".
        /// Add <see cref="lootDropped"/> to current currency
        /// </summary>
        protected virtual void OnDeath(HealthChangeInfo info)
        {
            m_DamageableBehaviour.configuration.died -= OnDeath;

            if (LevelManager.instanceExists)
            {
                // 当前LootDrop所在的Agent死亡后，给全局的CurrencyManager增加金币.
                // 当前Agent死亡之后，需要在对手盘加入新的Agent
                LevelManager levelManager = LevelManager.instance;
                OpponentMgr opmgr = OpponentMgr.instance;
                if (levelManager == null)
                    return;
                Agent agent = gameObject.GetComponent<Agent>();
                if ((agent != null) && agent.opponentAgent)
                {
                    if (opmgr == null)
                    {
                        return;
                    }
                    opmgr.currency.AddCurrency(lootDropped);
                    /* 修改为不再死亡后发布怪物到对方视野.
                    if( agent.bRespawn)
                    {
                        AgentSetData sd = agent.mAgentData;
                        int attid = OpponentMgr.instance.GetTowerAttID(agent.waveLineID);
                        levelManager.waveManager.SpawnAgent(agent.waveLineID,sd.hp,sd.speed, attid );
                    }*/
                }
                else
                {
                    levelManager.currency.AddCurrency(lootDropped);
                    /*
                    if (agent.bRespawn)
                    {
                        AgentSetData sd = agent.mAgentData;
                        int attid = levelManager.GetTowerAttID(agent.waveLineID);
                        opmgr.m_WaveManager.SpawnAgent(agent.waveLineID, sd.hp,sd.speed, attid );
                    }*/
                }
            }
            else if (EndlessLevelManager.instanceExists)
            {
                Agent agent = gameObject.GetComponent<Agent>();


                if (agent != null)
                {
                    if (EndlessLevelManager.instance.DropRate > 0)
                    {
                        //查询
                        float rate = Random.Range(0, 100) * 0.01f;
                        //Debug.Log($"需要处理掉落特效 rate:{rate}  EndlessLevelManager.instance.DropRate:{EndlessLevelManager.instance.DropRate}");
                        if (rate <= EndlessLevelManager.instance.DropRate)
                        {
                        }
                    }
                    PlayDropCoinPS(agent.position);

                    EndlessLevelManager.instance.Currency.AddCurrency(lootDropped);
                    PlayDropGold(lootDropped, agent.position);

                    // 处理掉落
                    // int tunel = agent.waveLineID + 1;

                    // List<reward> rewardList = EndlessPortData.GetDropRewardList(EndlessLevelManager.instance.CurrentLevel,
                    //     EndlessLevelManager.instance.WaveManager.CurrentWaveIndex + 1, tunel);

                    // if (rewardList.Count > 0)
                    //     EndlessDropManager.instance.AddDrop(rewardList, gameObject.transform.position);
                }
            }
        }
        GameObject dropGoldPrefab;
        GameObject mainUI;
        Camera camera3D;
        /// <summary>
        /// Awake is called when the script instance is being loaded.
        /// </summary>
        void Awake()
        {
            mainUI = GameObject.Find("MainUI");
            dropGoldPrefab = Resources.Load<GameObject>("Prefabs/DropGold");
            camera3D = GameObject.Find("SceneCamera3D").GetComponent<Camera>();
        }

        private void PlayDropGold(int lootDropped, Vector3 worldPos)
        {
            if (lootDropped == 0) return;

            GameObject obj = Poolable.TryGetPoolable(dropGoldPrefab);

            DropGold dropGold = obj.GetComponent<DropGold>();
            dropGold.SetDrop(lootDropped);

            obj.GetComponent<Transform>().SetParent(mainUI.GetComponent<Transform>(), false);
            Vector3 screenPos = camera3D.WorldToScreenPoint(worldPos);
            screenPos.z = 0;
            obj.transform.position = screenPos;
            obj.transform.localScale = new Vector3(0.8f, 0.8f, 0.8f);
            float preY = obj.transform.position.y;
            CanvasGroup canvasGroup = obj.GetComponent<CanvasGroup>();

            Sequence sequence = DOTween.Sequence();
            sequence.Append(DOTween.To(
                () => obj.transform.position.y,
                (float v) =>
                {
                    Vector3 pos = obj.transform.position;
                    pos.y = v;
                    obj.transform.position = pos;
                }, preY + 45, 0.2f)
                .SetEase(Ease.OutCubic));
            sequence.Append(DOTween.To(
                () => canvasGroup.alpha,
                (float v) =>
                {
                    canvasGroup.alpha = v;
                }, 0, 0.8f).SetDelay(0.5f));
            sequence.AppendCallback(() =>
                {
                    canvasGroup.alpha = 1;
                    Poolable.TryPool(obj);
                });
        }

        private void PlayDropCoinPS(Vector3 worldPos)
        {
            GameObject prefab = Resources.Load<GameObject>("Prefabs/DropCoin");
            GameObject obj = Poolable.TryGetPoolable(prefab);
            obj.transform.position = worldPos;

            GameObject prefabIcon = Resources.Load<GameObject>("Prefabs/DropCoinImage");
            GameObject obj1 = Poolable.TryGetPoolable(prefabIcon);
            obj1.GetComponent<Transform>().SetParent(mainUI.GetComponent<Transform>(), false);
            Vector3 screenPos = camera3D.WorldToScreenPoint(worldPos);
            screenPos.z = 0;
            obj1.transform.position = screenPos;
            obj1.GetComponent<DropCoinImage>().Init();
        }
    }
}