using Cysharp.Threading.Tasks;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using UnityEngine;
using UnityEngine.UI;

public class UI_TipsForPracticePanel : BasePanel
{
    public GameObject pptImagePrefab;
    public RectTransform content;
    public ScrollRect scrollRect;

    //public ScrollRect leftscrollRect;

    public UI_TipsForPracticePanelPPTNameItem pptNameItem;
    public RectTransform Left_content;

    protected override void Awake()
    {
        // 1. 提取文件名并解析数字前缀
        var sortedItems = Bootstrap.Instance.ppts
            .Select(path => new {
                Path = path,
                Name = LoadPPTTest.PathName(path),
                Order = LoadPPTTest.ExtractLeadingNumber(LoadPPTTest.PathName(path)) // 提取数字
            })
            .OrderBy(item => item.Order) // 按数字排序
            .ToList();
        // 2. 生成排序后的按钮
        foreach (var item in sortedItems)
        {
            var buttonItem = Instantiate(pptNameItem, Left_content);
            buttonItem.Init(item.Name);
            buttonItem.PPTName_Btn.gameObject.name = item.Name;
            Debug.Log($"已创建按钮: {item.Name} (排序键: {item.Order})");
        }
        base.Awake();
        //pptConfig = JsonManager.LoadData<PPTConfig>("pptConfig");
        if (Bootstrap.Instance.ppts == null || Bootstrap.Instance.ppts.Length == 0)
        {
            Debug.LogError("PPT路径数组未初始化或为空");
            return;
        }
        

    }
    public override void ShowMe()
    {
        base.ShowMe();
    }
    public override void HideMe()
    {
        base.HideMe();
    }

    protected override async void OnClick(string btnName)
    {
        Debug.Log(btnName);
        switch (btnName)
        {
            case "retrun_Btn":
                Bootstrap.Instance.uiManager.ShowPanel<UI_SelectModePanel>(this, E_UI_Layer.System, (panel) =>
                {
                    Debug.Log(".1");
                    Bootstrap.Instance.uiManager.HidePanel<UI_TipsForPracticePanel>();
                });
                //Bootstrap.Instance.uiManager.HidePanel<UI_TipsForPracticePanel>();
                break;
            default:
                List<Texture2D> textures = LoadPPTTest.LoadPPTItems(btnName);
                if (textures != null)
                {
                    DisplayPPT(textures);
                }
                break;
        }
        await LoadPPTTest.RefreshScrollView(content, scrollRect);
    }
    private void DisplayPPT(List<Texture2D> textures)
    {
        foreach (Transform child in content)
        {
            Destroy(child.gameObject);
        }
        Debug.LogError("texturesCount:"+textures.Count);
        foreach (var texture in textures)
        {
            RawImage rawImage = pptImagePrefab.GetComponent<RawImage>();
            RawImage image = Instantiate(rawImage, content);
            image.texture = texture;
            image.rectTransform.sizeDelta = new Vector2(texture.width, texture.height);
        }
    }


}