#if  UNITY_EDITOR
using UnityEngine;
using UnityEngine.UI;
using System.Data;
using System.IO;
using Excel;
using TMPro;
using UnityEditor;
using UnityEditor.SceneManagement;
using System;

public class ExcelTableGenerator : EditorWindow
{
    private string excelPath = "";
    private GameObject scrollViewPrefab;
    private GameObject rowPrefab;
    private GameObject cellPrefab;
    private int selectedSheetIndex = 1; // 默认选择第二个Sheet页（索引从0开始）
    private int customRowCount = 10; // 自定义行数
    private int customColumnCount = 5; // 自定义列数
    
    [MenuItem("Tools/Excel表格生成器")]
    public static void ShowWindow()
    {
        GetWindow<ExcelTableGenerator>("Excel表格生成器");
    }

    private void OnGUI()
    {
        GUILayout.Label("Excel表格生成器", EditorStyles.boldLabel);
        
        if (GUILayout.Button("选择Excel文件"))
        {
            excelPath = EditorUtility.OpenFilePanel("选择Excel文件", "", "xlsx");
        }
        
        scrollViewPrefab = EditorGUILayout.ObjectField("Scroll View预制体", scrollViewPrefab, typeof(GameObject), false) as GameObject;
        rowPrefab = EditorGUILayout.ObjectField("行预制体", rowPrefab, typeof(GameObject), false) as GameObject;
        cellPrefab = EditorGUILayout.ObjectField("单元格预制体", cellPrefab, typeof(GameObject), false) as GameObject;

        // 添加Sheet页选择
        selectedSheetIndex = EditorGUILayout.IntField("Sheet页索引", selectedSheetIndex);
        EditorGUILayout.HelpBox("Sheet页索引从0开始，0代表第一个Sheet，1代表第二个Sheet，以此类推", MessageType.Info);

        // 添加自定义行数和列数输入
        customRowCount = EditorGUILayout.IntField("生成行数", customRowCount);
        customColumnCount = EditorGUILayout.IntField("生成列数", customColumnCount);
        EditorGUILayout.HelpBox("设置要生成的表格行数和列数", MessageType.Info);

        if (GUILayout.Button("生成表格") && !string.IsNullOrEmpty(excelPath))
        {
            GenerateTable();
        }
    }

    private void GenerateTable()
    {
        // 读取Excel文件
        FileStream stream = File.Open(excelPath, FileMode.Open, FileAccess.Read, FileShare.Read);
        IExcelDataReader excelReader = ExcelReaderFactory.CreateOpenXmlReader(stream);
        DataSet result = excelReader.AsDataSet();

        // 检查Sheet页索引是否有效
        if (selectedSheetIndex >= result.Tables.Count)
        {
            EditorUtility.DisplayDialog("错误", $"所选Sheet页索引 {selectedSheetIndex} 无效，Excel文件只有 {result.Tables.Count} 个Sheet页", "确定");
            excelReader.Close();
            stream.Close();
            return;
        }

        DataTable table = result.Tables[selectedSheetIndex];

        // 使用自定义行数，但不超过Excel文件的实际行数
        int maxRows = Math.Min(customRowCount, table.Rows.Count);

        // 创建Scroll View
        GameObject scrollView = Instantiate(scrollViewPrefab);
        scrollView.name = "ExcelScrollView";

        // 获取Content对象
        ScrollRect scrollRect = scrollView.GetComponent<ScrollRect>();
        Transform content = scrollRect.content;
        RectTransform contentRect = content as RectTransform;

        // 生成数据行
        for (int row = 0; row < maxRows; row++)
        {
            // 检查这一行是否全为空
            bool isEmptyRow = true;
            int maxCols = Math.Min(customColumnCount, table.Columns.Count);
            for (int col = 0; col < maxCols; col++)
            {
                if (!string.IsNullOrEmpty(table.Rows[row][col]?.ToString()))
                {
                    isEmptyRow = false;
                    break;
                }
            }

            // 如果是空行，跳过
            if (isEmptyRow) continue;

            GameObject dataRow = Instantiate(rowPrefab, content);
            dataRow.name = $"DataRow_{row}";
            
            // 使用自定义列数，但不超过Excel文件的实际列数
            for (int col = 0; col < maxCols; col++)
            {
                GameObject cell = Instantiate(cellPrefab, dataRow.transform);
                cell.name = $"Cell_{row}_{col}";
                TMP_InputField text = cell.GetComponent<TMP_InputField>();
                if (text != null)
                {
                    var cellValue = table.Rows[row][col]?.ToString() ?? "";
                    text.text = cellValue;
                }
            }
        }

        // 确保所有UI元素都被正确初始化
        Canvas.ForceUpdateCanvases();
        
        // 延迟一帧后更新布局
        EditorApplication.delayCall += () =>
        {
            // 重新计算所有布局
            LayoutRebuilder.ForceRebuildLayoutImmediate(contentRect);
            
            // 确保滚动视图回到顶部
            scrollRect.normalizedPosition = new Vector2(0, 1);
            
            // 标记场景为脏以保存更改
            EditorSceneManager.MarkSceneDirty(EditorSceneManager.GetActiveScene());
        };

        // 关闭Excel读取器和文件流
        excelReader.Close();
        stream.Close();

        // 计算实际的行数（不包括空行）
        int actualRowCount = 0;
        for (int row = 0; row < maxRows; row++)
        {
            bool isEmptyRow = true;
            int maxCols = Math.Min(customColumnCount, table.Columns.Count);
            for (int col = 0; col < maxCols; col++)
            {
                if (!string.IsNullOrEmpty(table.Rows[row][col]?.ToString()))
                {
                    isEmptyRow = false;
                    break;
                }
            }
            if (!isEmptyRow) actualRowCount++;
        }

        // 调整Content大小以适应所有内容
        float totalHeight = actualRowCount * 30f;
        float totalWidth = customColumnCount * 100f;
        (content as RectTransform).sizeDelta = new Vector2(totalWidth, totalHeight);
    }
}
#endif