using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Data;
using System.IO;
using System.Text;
using Excel;
using UnityEditor;
using Data;
using UnityEngine.UI;
using System;

public class ExcelBuild : Editor
{
    public static DataRowCollection ReadExcel(string filePath, ref int columnNum, ref int rowNum)
    {
        FileStream stream = File.Open(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
        IExcelDataReader excelReader = ExcelReaderFactory.CreateOpenXmlReader(stream);
        //Debug.Log(stream);
        DataSet result = excelReader.AsDataSet();
        //Debug.Log(result);
        // 获取第一张表的数据
        columnNum = result.Tables[0].Columns.Count;
        rowNum = result.Tables[0].Rows.Count;
        return result.Tables[0].Rows;
    }

    /// <summary>
    /// 读取表数据，生成对应的数组
    /// </summary>
    /// <param name="filePath">excel文件全路径</param>
    /// <returns>Item数组</returns>
    public static Item[] CreateItemArrayWithExcel(string filePath)
    {
        int columnNum = 0, rowNum = 0;
        DataRowCollection collect = ReadExcel(filePath, ref columnNum, ref rowNum);

        // 根据excel的定义，第二行开始才是数据，因此这里需要从1开始
        //Item[] array = new Item[rowNum - 1]; // 减去第一行（标题行）
        //for (int i = 1; i < rowNum; i++) // 从1开始，跳过标题行
        Item[] array = new Item[rowNum]; // 减去第一行（标题行）
        for (int i = 0; i < rowNum; i++) // 从1开始，跳过标题行
        {
            Item item = new Item();
            item.itemData = new List<ItemData>();
            // 解析每列的数据
            try
            {
                for (int j = 0; j < columnNum; j++)
                {
                    //Debug.Log("i:"+i+" j:"+j+" value:"+collect[i][j].ToString());
                    
                    ItemData itemData = new ItemData();
                    // 这里可以根据实际情况，解析每列的数据类型，比如int、float、string等
                    // 这里假设每列都是string类型
                    itemData.item = collect[i][j].ToString();
                    item.itemData.Add(itemData);
                }
            }
            catch (FormatException e)
            {
                // 如果解析失败，输出错误信息
                Debug.LogError("解析Excel数据时发生格式错误: " + e.Message);
                // 并且返回null数组，或者你可以选择跳过错误行，继续解析
                return null;
            }
            array[i] = item; // 将解析好的item放入数组中，注意索引从i-1开始
        }
        return array;
    }

    [MenuItem("CustomEditor/CreateItemAsset")]
    public static void CreateItemAsset()
    {
        ItemManager manager = ScriptableObject.CreateInstance<ItemManager>();
        // 赋值
        Item[] items = CreateItemArrayWithExcel(Application.dataPath + "/Excels/" + "biao01.xlsx");
        if (items != null)
        {
            manager.dataArray = items;
        }
        else
        {
            Debug.LogError("无法创建Item Asset，因为CreateItemArrayWithExcel返回了null");
            return;
        }

        // 确保文件夹存在
        if (!Directory.Exists("Assets/Resources/DataAssets/"))
        {
            Directory.CreateDirectory("Assets/Resources/DataAssets/");
        }

        // asset文件的路径 要以"Assets/..."开始，否则CreateAsset会报错
        string assetPath = string.Format("{0}{1}.asset", "Assets/Resources/DataAssets/", "Item");
        // 生成一个Asset文件
        AssetDatabase.CreateAsset(manager, assetPath);
        AssetDatabase.SaveAssets();
        AssetDatabase.Refresh();
    }

    [MenuItem("GameObject/MyMenu/SaveExcelDataToUI")]
    public static void SaveExcelDataToUI()
    {
        int columnNum = 0, rowNum = 0;
        FileStream stream = File.Open(Application.dataPath + "/Excels/" + "biao01.xlsx", FileMode.Open, FileAccess.Read, FileShare.Read);
        IExcelDataReader excelReader = ExcelReaderFactory.CreateOpenXmlReader(stream);

        DataSet result = excelReader.AsDataSet();
        // 获取第一张表的数据
        columnNum = result.Tables[0].Columns.Count;
        rowNum = result.Tables[0].Rows.Count;

        DataRowCollection collect = result.Tables[0].Rows;

        if (Selection.activeGameObject)
        {
            GameObject inputObj = null;
            GameObject rowObj = null;
            // 查找子对象中的rowObj和inputObj
            foreach (var item in Selection.activeGameObject.transform.GetComponentsInChildren<Transform>(true))
            {
                if (item.name == "rowObj")
                {
                    rowObj = item.gameObject;
                }
                else if (item.name == "inputObj")
                {
                    inputObj = item.gameObject;
                }
            }

            Transform rowParent = Selection.activeGameObject.transform;
            Transform columnParent = null;
            Transform columnItem = null;
            string content;
            for (int i = 0; i < rowNum; i++) // 从1开始，跳过标题行
            {
                columnParent = (Instantiate(rowObj) as GameObject).transform;
                columnParent.name = (i).ToString();
                columnParent.gameObject.SetActive(true);
                columnParent.parent = rowParent;
                columnParent.localScale = Vector3.one;
                columnParent.localPosition = new Vector3(0, -29 * (i - 1), 0); // 调整位置计算，以适应跳过的标题行
                columnParent.localEulerAngles = Vector3.zero;

                for (int j = 0; j < columnNum; j++)
                {
                    columnItem = ((Instantiate(inputObj)) as GameObject).transform;
                    columnItem.gameObject.SetActive(true);
                    columnItem.parent = columnParent;
                    columnItem.localScale = Vector3.one;
                    content = collect[i][j].ToString();
                    columnItem.GetComponent<InputField>().text = content;
                }
            }

            rowParent.GetComponent<RectTransform>().sizeDelta = new Vector2(columnParent.GetComponent<RectTransform>().sizeDelta.x, (28 * (rowNum)));
        }
    }
}