using UnityEngine;
using UnityEngine.UI;
using QFramework;
using TMPro;
using System.Collections.Generic;
using System;

namespace QFramework.Example
{
    public class UIKnowledgeData : UIPanelData
    {
        public XMLTool.Knowledge knowledge;
    }
    public partial class UIKnowledge : UIPanel
    {
        ResLoader loader;

        Dictionary<string, Sprite> sprites = new Dictionary<string, Sprite>();
        IAction curAction;

        protected override void OnInit(IUIData uiData = null)
        {
            mData = uiData as UIKnowledgeData ?? new UIKnowledgeData();
            // please add init code here
            loader = ResLoader.Allocate();
            CloseBtn.onClick.AddListener(() =>
            {
                Hide();
            });
        }

        protected override void OnOpen(IUIData uiData = null)
        {
            if (Global.Instance.curModule.knowledge != null && Global.Instance.curModule.knowledge.items != null)
            {
                LeftContent.RemoveAllChildren();
                string bg = Global.Instance.curModule.knowledge.bgImage;
                LoadBgImage(bg, () =>
                {
                    SetRightContentPos("");
                    RefreshComponents(Global.Instance.curModule.knowledge.components, GlobalComs);
                });
                foreach (var item in Global.Instance.curModule.knowledge.items)
                {
                    ItemFactory(item);
                }
            }
        }

        public void ItemFactory(XMLTool.Knowledge.Item itemData, Transform parent = null)
        {
            Transform content = parent == null ? LeftContent : parent;
            GameObject leftObj = GameObject.Instantiate(LeftItem.gameObject, content);
            Transform subContent = leftObj.transform.Find("SubContent");
            Toggle toggle = leftObj.transform.Find("Toggle").GetComponent<Toggle>();
            TextMeshProUGUI label = toggle.transform.Find("Name").GetComponent<TextMeshProUGUI>();
            label.text = itemData.title;

            toggle.onValueChanged.AddListener(isOn =>
            {
                if (isOn)
                {
                    LoadBgImage(itemData.bgImage, () =>
                    {
                        SetRightContentPos(itemData.setPos);
                    });
                    ItemComs.RemoveAllChildren();
                    RefreshComponents(itemData.components, ItemComs);
                }

                if (subContent.childCount > 0)
                {
                    subContent.gameObject.SetActive(isOn);
                    if (isOn)
                    {
                        subContent.GetChild(0).GetComponentInChildren<Toggle>().isOn = true;
                    }
                }
                else
                {
                    label.color = isOn == true ? Color.black : Color.white;
                }
            });
            if (itemData.subs != null && itemData.subs.Count > 0)
            {
                foreach (var sub in itemData.subs)
                {
                    ItemFactory(sub, subContent);
                }
            }
            else
            {
                toggle.group = LeftContent.GetComponent<ToggleGroup>();
            }
        }
        /// <summary>
        /// 刷新当前页面的挂件
        /// </summary>
        public void RefreshComponents(List<XMLTool.Knowledge.Item.Component> coms, Transform content)
        {
            if (coms != null && coms.Count > 0)
            {
                foreach (var ComData in coms)
                {
                    switch (ComData.type)
                    {
                        case "Button":
                            GameObject btn = GameObject.Instantiate(BtnPrefab.gameObject, content);
                            btn.GetComponent<RectTransform>().sizeDelta = Utility.GetVector2FromStrArray(ComData.size);
                            btn.transform.localPosition = Utility.GetVector2FromStrArray(ComData.pos);
                            btn.GetComponent<Button>().onClick.AddListener(() =>
                            {
                                if (curAction != null)
                                {
                                    curAction.Deinit();
                                    curAction = null;
                                }
                                curAction = ActionHelper.GetActionAndSub(ComData.action);
                                curAction.StartGlobal(() =>
                                {
                                    curAction = null;
                                });
                            });
                            break;
                    }
                }
            }

        }

        public void LoadBgImage(string bg, Action callback = null)
        {
            if (string.IsNullOrEmpty(bg) == false)
            {
                if (sprites.ContainsKey(bg))
                {
                    RightContent.sprite = sprites[bg];
                    RightContent.SetNativeSize();
                    callback?.Invoke();
                }
                else
                {
                    var localImageUrl = Global.imagePath + bg;
                    loader.Add2Load(localImageUrl.ToNetImageResName(), (success, res) =>
                    {
                        if (success)
                        {
                            Sprite sprite = Utility.GetSprite(res.Asset.As<Texture2D>());
                            if (sprites.ContainsKey(bg) == false)
                            {
                                sprites.Add(bg, sprite);
                            }
                        }

                    });
                    TypeEventSystem.Global.Send<OnLoadingShow>();
                    loader.LoadAsync(() =>
                    {
                        callback?.Invoke();
                        RightContent.sprite = sprites[bg];
                        RightContent.SetNativeSize();
                        TypeEventSystem.Global.Send<OnLoadingHide>();
                    });
                }

            }
            else
            {
                callback?.Invoke();
            }

        }
        public void SetRightContentPos(string setPos)
        {
            Vector2 pos = default;
            if (string.IsNullOrEmpty(setPos) == false)
            {
                pos = Utility.GetVector2FromStrArray(setPos);
            }
            RightContent.rectTransform.anchoredPosition = pos;
        }


        protected override void OnShow()
        {
        }

        protected override void OnHide()
        {
        }

        protected override void OnClose()
        {
            sprites.Clear();
            loader.ReleaseAllRes();
        }
    }
}