using System;
using System.Collections.Generic;
using System.IO;
using FairyGUI;
using Live2D.Cubism.Rendering;
using UI.DressUp;
using UnityEngine;

namespace GFGGame
{
    public class PhotographUtil : SingletonBase<PhotographUtil>
    {

        //传入父物体，返回边界大小
        public Vector2 GetGameObjectBoundsSize(GameObject parentObj)
        {
            float right = int.MinValue;
            float left = int.MaxValue;
            float top = int.MinValue;
            float bottom = int.MaxValue;

            BoxCollider2D[] boxColliders = parentObj.transform.GetComponentsInChildren<BoxCollider2D>();
            for (int i = 0; i < boxColliders.Length; i++)
            {
                Vector2 pos = boxColliders[i].transform.localPosition;
                Vector2 size = boxColliders[i].size * boxColliders[i].transform.localScale;

                right = Math.Max(size.x / 2 + pos.x, right);
                left = Math.Min(pos.x - size.x / 2, left);
                top = Math.Max(size.y / 2 + pos.y, top);
                bottom = Math.Min(pos.y - size.y / 2, bottom);
            }

            Vector2 boundsSize = new Vector2(right - left, top - bottom);
            boundsSize = boundsSize * 100 * Math.Abs(parentObj.transform.localScale.x);
            return boundsSize;

        }


        //设置物体中心点
        public void SetGameObjectCenter(GameObject parentObj)
        {
            Transform parent = parentObj.transform;  // 2.选中技算
            Vector3 postion = parent.position;
            Quaternion rotation = parent.rotation;
            Vector3 scale = parent.localScale;
            parent.position = Vector3.zero;
            parent.rotation = Quaternion.Euler(Vector3.zero);
            parent.localScale = Vector3.one;
            Vector3 center = Vector3.zero;
            int index = 0;
            foreach (Transform t in parent)
            {
                string[] strs = t.name.Split('_');
                if (strs.Length > 1 && strs[1] == "eff") continue;//不计算特效大小
                BoxCollider2D render = t.GetComponent<BoxCollider2D>();
                if (render)
                {
                    index++;
                    center += render.bounds.center;
                }
            }
            center /= index;
            Bounds bounds = new Bounds(center, Vector3.zero);
            foreach (Transform t in parent)
            {
                string[] strs = t.name.Split('_');
                if (strs.Length > 1 && strs[1] == "eff") continue;
                BoxCollider2D render = t.GetComponent<BoxCollider2D>();
                if (render) bounds.Encapsulate(render.bounds);
            }

            parent.position = postion;
            parent.rotation = rotation;
            parent.localScale = scale;

            foreach (Transform t in parent)
            {
                string[] strs = t.parent.name.Split('_');
                if (strs.Length > 1 && strs[1] == "eff") continue;
                t.position = t.position - bounds.center;
            }

            parent.position = bounds.center + parent.position;


        }


        public GameObject GetFirstHitObj(RaycastHit2D[] hit2Ds)
        {
            int layer = int.MinValue;
            GameObject gameObject = null;
            for (int i = 0; i < hit2Ds.Length; i++)
            {

                int gameobjMaxlayer = GetMaxLayer(hit2Ds[i].collider.transform.parent.gameObject);
                if (gameobjMaxlayer > layer)
                {
                    layer = gameobjMaxlayer;
                    gameObject = hit2Ds[i].collider.gameObject;
                }
            }
            return gameObject;
        }

        //是否点击在UI上
        public bool IsTouchUI(GComponent viewCom)
        {
            GObject obj = GRoot.inst.touchTarget;
            UI_PhotographUI _viewCom = UI_PhotographUI.Proxy(viewCom);
            return _viewCom.m_comSelectBox.m_btnSize.GetChild("icon").asLoader == obj || _viewCom.m_comSelectBox.m_btnDelete.GetChild("icon").asLoader == obj || _viewCom.m_comSelectBox.m_btnFlip.GetChild("icon").asLoader == obj || _viewCom.m_btnBack == obj || _viewCom.m_btnChoose.GetChild("icon").asLoader == obj || _viewCom.m_btnPhotograph.GetChild("icon").asLoader == obj || _viewCom.m_btnUp.GetChild("icon").asLoader == obj || _viewCom.m_btnDown.GetChild("icon").asLoader == obj || _viewCom.m_btnGalleryJoin.GetChild("icon").asLoader == obj;
        }


        public void SetLayer(GameObject hitGameObj, string state)
        {
            List<GameObject> itemGameObjs = PhotographDataManager.Instance.itemGameObjs;
            if (state != "refresh")
            {
                int index = itemGameObjs.IndexOf(hitGameObj);
                if (state != "top")
                {
                    if (index < 0)
                    {
                        PromptController.Instance.ShowFloatTextPrompt("未选中任物品");
                        return;
                    }
                    if (index == 0 && state == "down")
                    {
                        PromptController.Instance.ShowFloatTextPrompt("已经在最下层了");
                        return;
                    }
                    if (index == itemGameObjs.Count - 1 && state == "up")
                    {
                        PromptController.Instance.ShowFloatTextPrompt("已经在最上层了");
                        return;
                    }
                }
                GameObject gameObject = itemGameObjs[index];
                itemGameObjs.RemoveAt(index);
                if (state == "up")
                {
                    itemGameObjs.Insert((index + 1), gameObject);

                }
                else if (state == "down")
                {
                    itemGameObjs.Insert((index - 1), gameObject);

                }
                else if (state == "top")
                {
                    itemGameObjs.Add(gameObject);
                }
                else
                {
                    PromptController.Instance.ShowFloatTextPrompt(state + "操作失败");
                    return;
                }
            }

            for (int i = 0; i < itemGameObjs.Count; i++)
            {
                ChangeLayer(itemGameObjs[i], i * 300, state);
            }

        }
        public void ChangeLayer(GameObject parentObj, int layer, string state)
        {
            int count = 0;
            if (state == "up" || state == "top")
            {
                count = layer - GetMinLayer(parentObj);
            }
            else if (state == "down")
            {
                count = layer - GetMaxLayer(parentObj);
            }
            int changeLayer = layer + count;

            int maxLayer = int.MinValue;
            SpriteRenderer[] sps = parentObj.GetComponentsInChildren<SpriteRenderer>();//选中道具可能含有静态图
            for (int i = 0; i < sps.Length; i++)
            {
                int sortingOrder = sps[i].sortingOrder + changeLayer;
                sps[i].sortingOrder = sortingOrder;

                ParticleSystem[] particles = sps[i].gameObject.GetComponentsInChildren<ParticleSystem>();
                for (int j = 0; j < particles.Length; j++)//静态图可能是动画
                {
                    var renderer = particles[j].GetComponent<Renderer>();
                    if (renderer != null)
                    {
                        renderer.sortingOrder = sortingOrder;
                    }
                }

                if (maxLayer < sortingOrder)
                {
                    maxLayer = sortingOrder;
                }
            }


            for (int i = 0; i < parentObj.transform.childCount; i++)//选中道具可能含有特效
            {
                Transform tf = parentObj.transform.GetChild(i);
                string[] strs = tf.name.Split('_');
                if (strs.Length > 1 && strs[1] == "eff")//子物体是特效
                {
                    DressUpUtil.SetParticleSortingOrder(tf.gameObject, changeLayer, true);
                }
            }
            CubismRenderController[] cubismRenders = parentObj.GetComponentsInChildren<CubismRenderController>();
            for (int i = 0; i < cubismRenders.Length; i++)
            {
                CubismRenderController render = cubismRenders[i];
                if (render != null && render.gameObject.activeSelf == true)
                {
                    render.SortingOrder = render.SortingOrder + changeLayer;
                }
            }
        }
        private int GetMaxLayer(GameObject parentObj)
        {
            int layer = int.MinValue;
            for (int i = 0; i < parentObj.transform.childCount; i++)
            {
                GameObject gameObject = parentObj.transform.GetChild(i).gameObject;
                Transform tf = gameObject.transform;
                SpriteRenderer sp = tf.GetComponent<SpriteRenderer>();
                if (sp && layer < sp.sortingOrder)
                {
                    layer = sp.sortingOrder;

                    ParticleSystem[] particles = sp.gameObject.GetComponentsInChildren<ParticleSystem>();
                    for (int j = 0; j < particles.Length; j++)
                    {
                        var renderer = particles[j].GetComponent<Renderer>();
                        if (renderer != null && layer < renderer.sortingOrder)
                        {
                            layer = renderer.sortingOrder;
                        }
                    }
                }
            }
            return layer;
        }
        public int GetMinLayer(GameObject parentObj)
        {
            int layer = int.MaxValue;
            for (int i = 0; i < parentObj.transform.childCount; i++)
            {
                GameObject gameObject = parentObj.transform.GetChild(i).gameObject;
                Transform tf = gameObject.transform;
                SpriteRenderer sp = tf.GetComponent<SpriteRenderer>();
                if (sp && sp.sortingOrder < layer)
                {
                    layer = sp.sortingOrder;

                    ParticleSystem[] particles = sp.gameObject.GetComponentsInChildren<ParticleSystem>();
                    for (int j = 0; j < particles.Length; j++)
                    {
                        var renderer = particles[j].GetComponent<Renderer>();
                        if (renderer != null && renderer.sortingOrder < layer)
                        {
                            layer = renderer.sortingOrder;
                        }
                    }
                }
            }
            return layer;
        }

        public void SetBgPos(GameObject hitGameObj, Vector2 uiSize)
        {
            Vector2 size = hitGameObj.GetComponent<SpriteRenderer>().size;

            float deviationWidth = (size.x - uiSize.x / 100) / 2;
            float deviationHeigh = (size.y - uiSize.y / 100) / 2;
            Vector2 pos = hitGameObj.transform.position;
            if (pos.x <= -deviationWidth)
            {
                hitGameObj.transform.position = new Vector2(-deviationWidth, hitGameObj.transform.position.y);
            }
            if (pos.x >= deviationWidth)
            {
                hitGameObj.transform.position = new Vector2(deviationWidth, hitGameObj.transform.position.y);
            }
            if (pos.y <= -deviationHeigh)
            {
                hitGameObj.transform.position = new Vector2(hitGameObj.transform.position.x, -deviationHeigh);
            }
            if (pos.y >= deviationHeigh)
            {
                hitGameObj.transform.position = new Vector2(hitGameObj.transform.position.x, deviationHeigh);
            }
        }

        /// <summary>
        /// 将照片保存到本地
        /// </summary>
        public void SavePicturoToLocal(byte[] bytes, string fileName)
        {
            string path = Application.persistentDataPath + "/Pictures/WanshiJing/";
            //判断目录是否存在，不存在则会创建目录
            if (!Directory.Exists(path))
            {
                try
                {
                    Directory.CreateDirectory(path);
                }
                catch (Exception exception)
                {
                    throw new Exception("创建文件夹失败, error:" + exception.Message);

                }
            }
            var filePath = path + fileName;
            // byte[] bytes = tex.EncodeToJPG();//将纹理数据，转化成一个jpg图片
            File.WriteAllBytes(filePath, bytes);
            UpdateSystemPhoto(filePath);
        }
        //调用iOS或Android原生方法保存图片后更新相册.
        private void UpdateSystemPhoto(string filePath)
        {
#if UNITY_ANDROID
            AndroidJavaObject androidJavaObject = new AndroidJavaObject("com.gfg.gfglibrary.SaveImage"); //设置成我们aar库中的签名+类名
            androidJavaObject.Call("scanFile", filePath, "已保存至本地"); //这里我们可以设置保存成功弹窗内容
#endif
        }

    }
}