using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.UI;

namespace Convention.WindowsUI.Variant
{
    public class PropertiesWindow : MonoBehaviour
    {
        [ArgPackage]
        public class ItemEntry
        {
            private WindowUIModule m_module;

            #region Tools

            private static bool IsSetupParentRectTransformAdjustSizeToContainsChilds = false;

            private static void SetupParentRectTransform([In] RectTransform child, [In] WindowManager parent)
            {
                parent.AddContextChild(child, IsSetupParentRectTransformAdjustSizeToContainsChilds);
            }
            private static void SetupParentRectTransform([In] RectTransform child, [In] RectTransform parent)
            {
                if (parent.GetComponent<WindowManager>() != null)
                    SetupParentRectTransform(child, parent.GetComponent<WindowManager>());
                else if (parent.GetComponents<BaseWindowPlane>().Length != 0)
                    parent.GetComponents<BaseWindowPlane>()[0].AddChild(child, IsSetupParentRectTransformAdjustSizeToContainsChilds);
                else
                    RectTransformExtension.SetParentAndResize(parent, child, IsSetupParentRectTransformAdjustSizeToContainsChilds);
            }

            [return: IsInstantiated(true)]
            public static WindowUIModule InstantiateItemObject([In] string prefab, [In] WindowManager windowManager, [In] SO.Windows config)
            {
                var go = Instantiate(config.GetWindowsUI<WindowUIModule>(prefab).gameObject);
                var rgo = go.GetComponent<RectTransform>();
                SetupParentRectTransform(rgo, windowManager);
                return go.GetComponent<WindowUIModule>();
            }
            [return: IsInstantiated(true)]
            public static WindowUIModule InstantiateItemObject([In] string prefab, [In] RectTransform plane, [In] SO.Windows config)
            {
                var go = Instantiate(config.GetWindowsUI<WindowUIModule>(prefab).gameObject);
                var rgo = go.GetComponent<RectTransform>();
                SetupParentRectTransform(rgo, plane);
                return go.GetComponent<WindowUIModule>();
            }
            [return: IsInstantiated(true)]
            public static WindowUIModule InstantiateItemObject(
                [In, IsInstantiated(false)] WindowUIModule prefab,
                [In] WindowManager windowManager)
            {
                var go = Instantiate(prefab.gameObject);
                var rgo = go.GetComponent<RectTransform>();
                SetupParentRectTransform(rgo, windowManager);
                return go.GetComponent<WindowUIModule>();
            }
            [return: IsInstantiated(true)]
            public static WindowUIModule InstantiateItemObject(
                [In, IsInstantiated(false)] WindowUIModule prefab,
                [In] RectTransform plane)
            {
                var go = Instantiate(prefab.gameObject);
                var rgo = go.GetComponent<RectTransform>();
                SetupParentRectTransform(rgo, plane);
                return go.GetComponent<WindowUIModule>();
            }

            [return: ArgPackage]
            public static ItemEntry MakeItemWithInstantiate([In] string prefab, [In] PropertiesWindow parent)
            {
                return new ItemEntry(parent)
                {
                    ref_value = InstantiateItemObject(prefab, parent.m_WindowManager, parent.m_WindowsConfig)
                };
            }
            [return: ArgPackage]
            public static ItemEntry MakeItemWithInstantiate([In] string prefab, [In] ItemEntry parent, [In] SO.Windows config)
            {
                return new ItemEntry(parent)
                {
                    ref_value = InstantiateItemObject(prefab, parent.ref_value.GetComponent<RectTransform>(), config)
                };
            }
            [return: ArgPackage]
            public static ItemEntry MakeItemWithInstantiate(
                [In, IsInstantiated(false)] WindowUIModule prefab,
                [In] PropertiesWindow parent)
            {
                return new ItemEntry(parent)
                {
                    ref_value = InstantiateItemObject(prefab, parent.m_WindowManager)
                };
            }
            [return: ArgPackage]
            public static ItemEntry MakeItemWithInstantiate(
                [In, IsInstantiated(false)] WindowUIModule prefab,
                [In] ItemEntry parent)
            {
                return new ItemEntry(parent)
                {
                    ref_value = InstantiateItemObject(prefab, parent.ref_value.GetComponent<RectTransform>())
                };
            }

            [return: ArgPackage]
            public static ItemEntry MakeItem([In] PropertiesWindow parent)
            {
                return new ItemEntry(parent);
            }
            [return: ArgPackage]
            public static ItemEntry MakeItem([In] ItemEntry parent)
            {
                return new ItemEntry(parent);
            }

            public static IActionInvoke MakeItemAsActionInvoke(
                [In, Out] ItemEntry entry,
                [In] string invokerName, [In] PropertiesWindow parent,
                [In][Opt, When("If you sure not need a target")] object target,
                params UnityAction<object>[] actions)
            {
                entry.ref_value = InstantiateItemObject(invokerName, parent.m_WindowManager, parent.m_WindowsConfig);
                var invoker = entry.ref_value as IActionInvoke;
                foreach (var action in actions)
                {
                    invoker.AddListener(() => action.Invoke(target));
                }
                return invoker;
            }
            public static IButton MakeItemAsActionInvoke(
                [In, Out] ItemEntry entry,
                [In] string invokerName, [In] ItemEntry parent, [In] SO.Windows config,
                [In][Opt, When("If you sure not need a target")] object target,
                params UnityAction<object>[] actions)
            {
                entry.ref_value = InstantiateItemObject(invokerName, parent.ref_value.GetComponent<RectTransform>(), config);
                var invoker = entry.ref_value as IButton;
                foreach (var action in actions)
                {
                    invoker.AddListener(() => action.Invoke(target));
                }
                return invoker;
            }

            public static IButton MakeItemAsButton(
                [In, Out] ItemEntry entry,
                [In] string buttonName, [In] PropertiesWindow parent,
                [In][Opt, When("If you sure not need a target")] object target,
                params UnityAction<object>[] actions)
            {
                entry.ref_value = InstantiateItemObject(buttonName, parent.m_WindowManager, parent.m_WindowsConfig);
                var button = entry.ref_value as IButton;
                foreach (var action in actions)
                {
                    button.AddListener(() => action.Invoke(target));
                }
                return button;
            }
            public static IButton MakeItemAsButton(
                [In, Out] ItemEntry entry,
                [In] string buttonName, [In] ItemEntry parent, [In] SO.Windows config,
                [In][Opt, When("If you sure not need a target")] object target,
                params UnityAction<object>[] actions)
            {
                entry.ref_value = InstantiateItemObject(buttonName, parent.ref_value.GetComponent<RectTransform>(), config);
                var button = entry.ref_value as IButton;
                foreach (var action in actions)
                {
                    button.AddListener(() => action.Invoke(target));
                }
                return button;
            }

            public static IText MakeItemAsText(
                [In, Out] ItemEntry entry,
                [In] string textName, [In] PropertiesWindow parent,
                [In] string textStr)
            {
                entry.ref_value = InstantiateItemObject(textName, parent.m_WindowManager, parent.m_WindowsConfig);
                var text = entry.ref_value as IText;
                text.text = textStr;
                return text;

            }
            public static IText MakeItemAsText(
                [In, Out] ItemEntry entry,
                [In] string textName, [In] ItemEntry parent, [In] SO.Windows config,
                [In] string textStr)
            {
                entry.ref_value = InstantiateItemObject(textName, parent.ref_value.GetComponent<RectTransform>(), config);
                var text = entry.ref_value as IText;
                text.text = textStr;
                return text;
            }

            public static ITitle MakeItemAsTitle(
                [In, Out] ItemEntry entry,
                [In] string textName, [In] PropertiesWindow parent,
                [In] string textStr)
            {
                entry.ref_value = InstantiateItemObject(textName, parent.m_WindowManager, parent.m_WindowsConfig);
                var text = entry.ref_value as ITitle;
                text.title = textStr;
                return text;

            }
            public static ITitle MakeItemAsTitle(
                [In, Out] ItemEntry entry,
                [In] string textName, [In] ItemEntry parent, [In] SO.Windows config,
                [In] string textStr)
            {
                entry.ref_value = InstantiateItemObject(textName, parent.ref_value.GetComponent<RectTransform>(), config);
                var text = entry.ref_value as ITitle;
                text.title = textStr;
                return text;
            }

            #endregion

            public WindowUIModule ref_value
            {
                get => m_module;
                set
                {
                    if (m_module != value)
                    {
                        if (m_module != null)
                        {
                            m_module.gameObject.SetActive(false);
                        }
                        m_module = value;
                        if (parentWindow != null)
                        {
                            parentWindow.m_WindowManager.SelectContextPlane(parentWindow.m_TargetWindowContent);
                            if (value != null)
                                parentWindow.m_WindowManager.AddContextChild(value.GetComponent<RectTransform>(), true);
                        }
                        else if (parentEntry != null)
                        {
                            if (value != null)
                                SetupParentRectTransform(value.GetComponent<RectTransform>(), parentEntry.ref_value.GetComponent<RectTransform>());
                        }
                        ForceRebuildLayoutImmediate();
                    }
                }
            }

            public PropertyListItem GetPropertyListItem()
            {
                return ref_value.GetComponent<PropertyListItem>();
            }

            public HierarchyItem GetHierarchyItem()
            {
                return ref_value.GetComponent<HierarchyItem>();
            }

            [Resources, SerializeField] private List<ItemEntry> childs = new();
            [Content, OnlyPlayMode, Ignore, SerializeField] private PropertiesWindow parentWindow;
            [Content, OnlyPlayMode, Ignore, SerializeField] private ItemEntry parentEntry;
            [Content] public readonly int layer;
            public readonly PropertiesWindow rootWindow;

            public List<ItemEntry> GetChilds() => new(childs);
            public ItemEntry GetParent() => parentEntry;

            public ItemEntry(PropertiesWindow parent)
            {
                childs = new();
                this.parentWindow = parent;
                this.rootWindow = parent;
                parent.m_Entrys.Add(this);
                layer = 0;
            }
            public ItemEntry(ItemEntry parent)
            {
                childs = new();
                this.parentEntry = parent;
                this.rootWindow = parent.rootWindow;
                parent.childs.Add(this);
                layer = parent.layer + 1;
            }

            private void ForceRebuildLayoutImmediate()
            {
                if (ref_value != null)
                {
                    ConventionUtility.StartCoroutine(Adjuster(ref_value.transform as RectTransform));

                }
                if (parentWindow)
                {
                    ConventionUtility.StartCoroutine(Adjuster(parentWindow.TargetWindowContent));
                }
                else
                {
                    ConventionUtility.StartCoroutine(Adjuster2(parentEntry.ref_value.transform as RectTransform, parentEntry));
                }

                static IEnumerator Adjuster(RectTransform rectTransform)
                {
                    if (rectTransform == null)
                        yield break;
                    LayoutRebuilder.ForceRebuildLayoutImmediate(rectTransform);
                    yield return null;
                    if (rectTransform == null)
                        yield break;
                    RectTransformExtension.AdjustSizeToContainsChilds(rectTransform);
                }
                static IEnumerator Adjuster2(RectTransform rectTransform, ItemEntry parentEntry)
                {
                    LayoutRebuilder.ForceRebuildLayoutImmediate(rectTransform);
                    yield return null;
                    RectTransformExtension.AdjustSizeToContainsChilds(rectTransform);
                    yield return null;
                    parentEntry.ForceRebuildLayoutImmediate();
                    yield break;
                }
            }

            public void DisableChilds(bool isForceRebuildLayoutImmediate)
            {
                foreach (var item in childs)
                {
                    item.ref_value.gameObject.SetActive(false);
                }
                if (isForceRebuildLayoutImmediate)
                    ForceRebuildLayoutImmediate();
            }

            public void Disable(bool isForceRebuildLayoutImmediate)
            {
                if (ref_value)
                {
                    ref_value.gameObject.SetActive(false);
                }
                DisableChilds(false);
                if (isForceRebuildLayoutImmediate)
                    ForceRebuildLayoutImmediate();
            }

            public void EnableChilds(bool isForceRebuildLayoutImmediate)
            {
                foreach (var item in childs)
                {
                    item.ref_value.gameObject.SetActive(true);
                }
                if (isForceRebuildLayoutImmediate)
                    ForceRebuildLayoutImmediate();
            }

            public void Enable(bool isForceRebuildLayoutImmediate)
            {
                EnableChilds(false);
                if (ref_value)
                {
                    ref_value.gameObject.SetActive(true);
                }
                if (isForceRebuildLayoutImmediate)
                    ForceRebuildLayoutImmediate();
            }

            public void Release()
            {
                if ((parentWindow == null && parentEntry == null) || childs == null || rootWindow == null)
                {
                    Debug.LogWarning("Auto Gen is bad supporting");
                    return;
                }
                if (ref_value)
                {
                    ref_value.gameObject.SetActive(false);
                    Destroy(ref_value.gameObject);
                }
                foreach (var item in childs)
                {
                    item.Release();
                }
                if (parentWindow != null)
                    parentWindow.m_Entrys.Remove(this);
                else
                    parentEntry.childs.Remove(this);
                ref_value = null;
            }

            ~ItemEntry()
            {
                Release();
            }
        }
        public interface IItemEntry
        {
            ItemEntry Entry { get; set; }
        }
        [Resources, SerializeField, HopeNotNull] private SO.Windows m_WindowsConfig;
        [Resources, SerializeField, HopeNotNull] private WindowManager m_WindowManager;
        [Setting, SerializeField, OnlyNotNullMode(nameof(m_WindowManager))] private int m_TargetWindowContent = 0;
        [Resources, SerializeField, HopeNotNull, WhenAttribute.Is(nameof(m_WindowManager), null)] 
        private RectTransform m_ContentPlaneWhenNoWindow;
        [Content, SerializeField, OnlyPlayMode] private List<ItemEntry> m_Entrys = new();
        [Resources, SerializeField, HopeNotNull] public WindowUIModule ItemPrefab;

        public RectTransform TargetWindowContent => m_WindowManager == null ? m_ContentPlaneWhenNoWindow : m_WindowManager[m_TargetWindowContent];

        private void Start()
        {
            if (m_WindowsConfig == null)
                m_WindowsConfig = SO.Windows.GlobalInstance;
            if (m_WindowManager == null)
                m_WindowManager = GetComponent<WindowManager>();
            if (m_ContentPlaneWhenNoWindow == null)
                m_ContentPlaneWhenNoWindow = transform as RectTransform;
        }

        private void Reset()
        {
            m_WindowsConfig = SO.Windows.GlobalInstance;
            m_WindowManager = GetComponent<WindowManager>();
            foreach (var entry in m_Entrys)
            {
                entry.Release();
            }
            m_Entrys = new();
            if (m_ContentPlaneWhenNoWindow == null)
                m_ContentPlaneWhenNoWindow = transform as RectTransform;
        }

        private void FixedUpdate()
        {
            //if ((m_PerformanceMode & PerformanceIndicator.PerformanceMode.L8) != 0)
            //    RectTransformExtension.AdjustSizeToContainsChilds(TargetWindowContent);
        }

        public List<ItemEntry> CreateRootItemEntriesFromString(bool isActive, params string[] prefabs)
        {
            List<ItemEntry> result = new();
            foreach (string prefab in prefabs)
            {
                var current = ItemEntry.MakeItemWithInstantiate(prefab, this);
                result.Add(current);
                if (current.ref_value.GetComponents<IItemEntry>().Length != 0)
                {
                    current.ref_value.GetComponents<IItemEntry>()[0].Entry = current;
                }
                current.ref_value.gameObject.SetActive(isActive);
            }
            if (isActive)
                RectTransformExtension.AdjustSizeToContainsChilds(TargetWindowContent);
            return result;
        }

        public List<ItemEntry> CreateRootItemEntriesFromString(params string[] prefabs)
        {
            return CreateRootItemEntriesFromString(true, prefabs);
        }

        public List<ItemEntry> CreateRootItemEntries(bool isActive, int count)
        {
            List<ItemEntry> result = new();
            while (count-- > 0)
            {
                var current = ItemEntry.MakeItemWithInstantiate(ItemPrefab, this);
                result.Add(current);
                if (current.ref_value.GetComponents<IItemEntry>().Length != 0)
                {
                    current.ref_value.GetComponents<IItemEntry>()[0].Entry = current;
                }
                current.ref_value.gameObject.SetActive(isActive);
            }
            if (isActive)
                RectTransformExtension.AdjustSizeToContainsChilds(TargetWindowContent);
            return result;
        }

        public List<ItemEntry> CreateRootItemEntries(int count)
        {
            return CreateRootItemEntries(true, count);
        }
    }
}