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

namespace GFGGame
{
    /// <summary>
    /// ��ͼ������
    /// ������ͼ����ʾ������
    /// </summary>
    public class ViewManager
    {
        private static Dictionary<string, UIView> _viewDic;
        private static GComponent _bottomLayer;
        private static GComponent _topLayer;
        private static GComponent _guideLayer;
        private static GComponent _modalLayer;
        private static GComponent _alertLayer;
        private static GComponent _debugLayer;
        private static GComponent _floatLayer;

        private static Dictionary<string, object[]> _goBackDatas = new Dictionary<string, object[]>();

        public static void Init()
        {
            GFGUIPackage.AddPackage(ResPathUtil.GetUIPackagePath("Common"));
            UIConfig.buttonSound = (NAudioClip)UIPackage.GetItemAsset("Common", "click");
            Font afont = GFGAsset.Load<Font>(ResPathUtil.GetFontPath("STZHONGS"));
            FontManager.RegisterFont(new DynamicFont("STZhongsong", afont));
            UIConfig.defaultFont = "STZhongsong";
            Font afont1 = GFGAsset.Load<Font>(ResPathUtil.GetFontPath("ZIHUN125"));
            FontManager.RegisterFont(new DynamicFont("ZIHUN125", afont1));
            Font afont2 = GFGAsset.Load<Font>(ResPathUtil.GetFontPath("SIMKAI"));
            FontManager.RegisterFont(new DynamicFont("SIMKAI", afont2));
            Font afont3 = GFGAsset.Load<Font>(ResPathUtil.GetFontPath("SHUANGYUJUTI"));
            FontManager.RegisterFont(new DynamicFont("SHUANGYUJUTI", afont3));
            _viewDic = new Dictionary<string, UIView>();
            //��ʼ����ͼ������
            _bottomLayer = CreateLayer("BottomLayer");
            _topLayer = CreateLayer("TopLayer");
            _topLayer.sortingOrder = ConstSortingOrder.TOP;

            _guideLayer = CreateLayer("GuideLayer");
            _guideLayer.sortingOrder = ConstSortingOrder.Guide;

            _modalLayer = CreateLayer("ModalLayer");
            _modalLayer.sortingOrder = ConstSortingOrder.Modal;

            _alertLayer = CreateLayer("AlertLayer");
            _alertLayer.sortingOrder = ConstSortingOrder.Alert;
            //debug层
            _debugLayer = CreateLayer("DebugLayer");
            _debugLayer.sortingOrder = ConstSortingOrder.Debug;
            _floatLayer = CreateLayer("FloatLayer");
            _floatLayer.sortingOrder = ConstSortingOrder.Float;
            SetMaskAlpha(0.6f);
        }

        public static void AddChildToBottomLayer(GObject gObject)
        {
            _bottomLayer.AddChild(gObject);
        }

        public static void AddChildToTopLayer(GObject gObject)
        {
            _topLayer.AddChild(gObject);
        }
        public static void AddChildToGuideLayer(GObject gObject)
        {
            _guideLayer.AddChild(gObject);
        }
        public static void AddChildToModalLayer(GObject gObject)
        {
            _modalLayer.AddChild(gObject);
        }
        public static void AddChildToAlertLayer(GObject gObject)
        {
            _alertLayer.AddChild(gObject);
        }

        public static void AddChildToDebugLayer(GObject gObject)
        {
            _debugLayer.AddChild(gObject);
        }
        public static void AddChildToFloatLayer(GObject gObject)
        {
            _floatLayer.AddChild(gObject);
        }

        /// <summary>
        /// ��ʾһ����ͼ
        /// </summary>
        /// <param name="name">Ҫ��ʾ����ͼ����</param>
        /// <param name="viewData">Ҫ���ݸ���ͼ�IJ���</param>
        /// <param name="goBackParams">�Ӹ���ͼ���ص���ͼ��Ϣ</param>
        /// <param name="hideOthers">�Ƿ�ر�������ͼ</param>
        public static bool Show(string viewName, object viewData = null, object[] goBackParams = null, bool hideOthers = false, bool resetGobackParams = false)
        {
            string name = GetName(viewName);
            if (!GameGlobal.skipCheckOpen && !FunctionOpenDataManager.Instance.CheckIsFunOpenById(name))
            {
                return false;
            }
            if (hideOthers)
            {
                HideAllView(name);
            }
            UIView obj = null;

            if (_viewDic.ContainsKey(name))
            {
                obj = _viewDic[name];
            }
            else
            {
                obj = CreateViewInstance(viewName) as UIView;
                obj.viewName = name;
                _viewDic.Add(name, obj);
            }
            if (obj != null)
            {
                IUIView view = (IUIView)obj;
                view.viewData = viewData;
                if (!view.isShowing)
                {
                    view.Show();
                }
                else
                {
                    view.Refresh();
                }
                if (resetGobackParams)
                {
                    if (_goBackDatas.ContainsKey(name) == true)
                    {
                        _goBackDatas.Remove(name);
                    }
                }
                if (goBackParams != null)
                {
                    _goBackDatas[name] = goBackParams;
                }
                Debug.Log("当前打开：" + name);

            }
            return true;

        }

        public static bool isViewOpen(string viewName)
        {
            string name = GetName(viewName);

            UIView obj = null;
            if (_viewDic.ContainsKey(name))
            {
                obj = _viewDic[name];
                if (obj != null)
                {
                    IUIView view = (IUIView)obj;
                    if (view.isShowing) return true;
                }
            }
            return false;
        }
        public static bool Show<T>(object viewData = null, object[] goBackParams = null, bool hideOthers = false, bool resetGobackParams = false) where T : class, new()
        {
            // string[] names = typeof(T).FullName.Split('.');
            // string viewName = names[names.Length - 1];
            string name = GetName(typeof(T).FullName);

            if (!GameGlobal.skipCheckOpen && !FunctionOpenDataManager.Instance.CheckIsFunOpenById(name))
            {
                return false;
            }
            if (hideOthers)
            {
                HideAllView(name);
            }
            UIView obj = null;
            if (_viewDic.ContainsKey(name))
            {
                obj = _viewDic[name];
            }
            else
            {
                obj = new T() as UIView;
                obj.viewName = name;
                _viewDic.Add(name, obj);
            }
            if (obj != null)
            {
                IUIView view = (IUIView)obj;
                view.viewData = viewData;
                if (!view.isShowing)
                {
                    view.Show();
                }
                else
                {
                    view.Refresh();
                }
                if (goBackParams != null)
                {
                    _goBackDatas[name] = goBackParams;
                }
                else if (resetGobackParams)
                {
                    if (_goBackDatas.ContainsKey(name) == true)
                    {
                        _goBackDatas.Remove(name);
                    }
                }
                Debug.Log("当前打开：" + name);
            }
            return true;
        }

        public static void Hide(string viewName)
        {
            string name = GetName(viewName);
            if (!_viewDic.ContainsKey(name))
            {
                return;
            }
            UIView obj = _viewDic[name];
            if (obj != null && obj.isShowing)
            {
                IUIView view = (IUIView)obj;
                view.Hide();
            }
        }

        public static void Hide<T>()
        {
            string name = GetName(typeof(T).FullName);
            if (!_viewDic.ContainsKey(name))
            {
                return;
            }
            object obj = _viewDic[name];
            if (obj != null)
            {
                IUIView view = (IUIView)obj;
                view.Hide();
            }
        }

        public static void GoBackFrom(string viewName, bool clearGoBackDatas = false)
        {
            string name = GetName(viewName);
            ViewManager.Hide(name);
            if (_goBackDatas.ContainsKey(name))
            {
                object[] gobackItems = _goBackDatas[name];
                string tViewName = gobackItems[0] as string;

                object tViewData = null;
                if (gobackItems.Length > 1)
                {
                    tViewData = gobackItems[1];
                }

                ViewManager.Show(tViewName, tViewData);
            }
            else
            {
                ViewManager.Show(ViewName.MAINUI_VIEW, null, null, true);
            }
        }

        public static object[] GetGoBackDatas(string viewName)
        {
            string name = GetName(viewName);
            object[] value;
            _goBackDatas.TryGetValue(name, out value);
            return value;
        }
        public static UIView GetUIView(string viewName)
        {
            UIView obj = _viewDic[viewName];
            if (obj != null && obj.isShowing)
            {

                return obj;
            }
            return null;
        }
        public static void ClearUIView(string viewName)
        {
            if (!string.IsNullOrEmpty(viewName) && _viewDic.ContainsKey(viewName))
            {
                if (_viewDic[viewName] != null && !_viewDic[viewName].isShowing)
                {
                    // _viewDic[viewName] = null;
                    _viewDic.Remove(viewName);
                }
            }
        }
        public static void HideAllView(string excludeViewName = null)
        {
            for (int i = _viewDic.Keys.Count - 1; i >= 0; i--)//不用foreach是因为：循环过程中可能会触发dispose，导致_viewDic.Keys变化，最终报错
            {
                int index = i > _viewDic.Keys.Count - 1 ? _viewDic.Keys.Count - 1 : i;//直接去最后一个，不用i是因为关闭一个界面可能会连带关闭其他界面，最终i比_viewDic.Keys.Count大而报错
                KeyValuePair<string, UIView> kv = _viewDic.ElementAt(index);
                if (kv.Key != excludeViewName)
                {
                    if (kv.Key == typeof(FunctionOpenView).Name) continue;//功能开启界面不能强制关闭
                    Hide(kv.Key);
                }
            }
            // _viewDic.Clear();
            // foreach (string viewName in _viewDic.Keys)
            // {
            //     if (viewName != excludeViewName)
            //     {
            //         if (viewName == typeof(FunctionOpenView).Name) continue;//功能开启界面不能强制关闭
            //         Hide(viewName);
            //     }
            // }
        }

        private static object CreateViewInstance(string name)
        {
            // Debug.LogFormat("CreateViewInstance {0}", name);
            Type type = Type.GetType(name);
            if (type != null)
            {
                return Activator.CreateInstance(type);
            }
            return null;
        }

        private static GComponent CreateLayer(string name)
        {
            GComponent layer = new GComponent();
            layer.name = name;
            GRoot.inst.AddChild(layer);
            layer.SetSize(GRoot.inst.size.x, GRoot.inst.size.y);
            layer.AddRelation(GRoot.inst, RelationType.Size);
            return layer;
        }
        public static bool CheckIsTopView(GComponent viewCom)
        {
            if (ViewManager.isViewOpen(typeof(GuideView).Name)) return false;
            if (viewCom.parent != null)
            {
                int index = viewCom.parent.GetChildIndex(viewCom);
                if (index == viewCom.parent.numChildren - 1 && GRoot.inst.GetTopWindow() == null)
                {
                    return true;
                }
            }
            if (GRoot.inst.GetTopWindow() == viewCom)
            {
                return true;
            }
            return false;
        }
        public static string GetName(string fullName)
        {
            string[] names = fullName.Split('.');
            string name = names[names.Length - 1];
            return name;
        }

        public static void SetMaskAlpha(float alpha)
        {
            GRoot.inst.modalLayer.alpha = alpha;

        }
    }
}