//--------------------------------------------------------
//    [Author]:           第二世界
//    [  Date ]:           Thursday, September 07, 2017
//--------------------------------------------------------
using DG.Tweening;
using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

namespace vnxbqy.UI
{

    public class EquipOnFloor : MonoBehaviour
    {

        [SerializeField] List<Button> equips;
        [SerializeField] List<Image> equipImages;
        [SerializeField] List<UIEffect> equipUIeffects;

        CutTreeModel cutTreeModel { get { return ModelCenter.Instance.GetModel<CutTreeModel>(); } }
        PackModel packModel { get { return ModelCenter.Instance.GetModel<PackModel>(); } }
        AutoCutTreeModel autoCutTreeModel { get { return ModelCenter.Instance.GetModel<AutoCutTreeModel>(); } }

        int dropState = 0; //0:未掉落 1:掉落中 2:掉落完成(后续处理分解替换/装备)


        //主界面切换模式触发
        private void OnEnable()
        {
            cutTreeModel.equipOnFloorBtn = equips;
            //主界面打开和显隐都要刷新
            Display();

            cutTreeModel.AfterPlayCutTreeAnimEvent -= AfterPlayCutTreeAnimEvent;
            cutTreeModel.AfterPlayCutTreeAnimEvent += AfterPlayCutTreeAnimEvent;

            cutTreeModel.OnEquipOPResultAction -= OnEquipResult;
            cutTreeModel.OnEquipOPResultAction += OnEquipResult;
        }


        private void OnDisable()
        {
            cutTreeModel.AfterPlayCutTreeAnimEvent -= AfterPlayCutTreeAnimEvent;
            cutTreeModel.OnEquipOPResultAction -= OnEquipResult;

        }

        //在主界面打开的时候触发
        public void Init()
        {
            Display();
            cutTreeModel.AfterPlayCutTreeAnimEvent -= AfterPlayCutTreeAnimEvent;
            cutTreeModel.AfterPlayCutTreeAnimEvent += AfterPlayCutTreeAnimEvent;
            cutTreeModel.OnEquipOPResultAction -= OnEquipResult;
            cutTreeModel.OnEquipOPResultAction += OnEquipResult;
        }

        public void UnInit()
        {
            cutTreeModel.AfterPlayCutTreeAnimEvent -= AfterPlayCutTreeAnimEvent;
            cutTreeModel.OnEquipOPResultAction -= OnEquipResult;
        }

        private void LateUpdate()
        {
            if (dropState == 2)
            {
                dropState = 0;
                AfterDropShow();
            }
        }

        void AfterPlayCutTreeAnimEvent()
        {
            Display(true);
        }

        void OnEquipResult()
        {
            Display();
            //分解效果 用equipFloorInfo处理
        }




        //界面格子组件顺序和背包格子顺序一致
        public void Display(bool isAnimate = false)
        {
            dropState = 0;
            List<ItemModel> items = packModel.GetItems(PackType.EquipOnFloor);
            float duration = 0.5f / cutTreeModel.cutTreeSpeed; //掉落时间
            for (int i = 0; i < equips.Count; i++)
            {
                var equipModel = packModel.GetItemByIndex(PackType.EquipOnFloor, i);
                if (equipModel == null)
                {
                    equips[i].gameObject.SetActive(false);
                    continue;
                }

                var config = equipModel.config;
                var equip = equips[i];
                equipImages[i].SetSprite(config.IconKey);
                equipImages[i].GetComponent<Canvas>().sortingLayerName = "UI";
                equip.SetListener(() => {
                    cutTreeModel.OpenEquipExchangeWin(equipModel);
                });

                var uieff = equipUIeffects[i];
                uieff.effect = cutTreeModel.equipUIEffectLights[Math.Min(config.ItemColor, cutTreeModel.equipUIEffectLights.Length) - 1];
                uieff.Play();

                if (isAnimate)
                {
                    dropState = 1;
                    float startPosX = UnityEngine.Random.Range(-130, 130);
                    //随机方向返回1或者-1
                    int randDir = UnityEngine.Random.Range(0, 2) == 0 ? 1 : -1;

                    equip.transform.localPosition = new Vector3(startPosX, 0, 0);
                    equip.SetActive(true);
                    equip.transform.DOLocalPath(new Vector3[] { new Vector3(startPosX, 0, 0), 
                        new Vector3(startPosX + randDir * 15, 30f, 0), 
                        new Vector3(startPosX + randDir * 35, -140 + UnityEngine.Random.Range(0, 10), 0) }, duration, PathType.CatmullRom).SetEase(Ease.InOutSine).OnComplete(CompleteDrop);
                }
                else
                {
                    equip.transform.localPosition = new Vector3(UnityEngine.Random.Range(-130, 130), -100, 0);
                }
                
            }
        }

        void CompleteDrop()
        {
            dropState = 2;
            if (autoCutTreeModel.isAutoCutTree)
            {
                cutTreeModel.isPlayCutTreeAnim = false;
            }

        }
        void AfterDropShow()
        {
            if (!autoCutTreeModel.isAutoCutTree)
            {
                //非自动砍树模式下，每次都打开装备操作界面
                var items = packModel.GetItems(PackType.EquipOnFloor);
                if (items != null && items.Count != 0)
                {
                    cutTreeModel.OpenEquipExchangeWin(items[0]);
                }
            }
            else
            {
                //自动模式下，需要判定多件装备是否有选定规则下的更好装备 或者 自动分解
            }
        }
    }


}