using UnityEngine;
using Excel;
using System.Data;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using OfficeOpenXml;
using OfficeOpenXml.Table;
using Unity.VisualScripting;

namespace ZXL.Excel
{
    public class ReadExcel
    {
        //public static string Excel = "Book";

        public static List<Player_DataInfo> SelectPlayerTable(string name, string sheetName = "Sheet1")
        {
            string excelName = name + ".xlsx";

            // DataRowCollection collect = ReadExcel.Read(excelName, sheetName);
            //
            // List<Player_DataInfo> array = new List<Player_DataInfo>();
            // for (int i = 2; i < collect.Count; i++)
            // {
            //     if (collect[i][1].ToString() == "") continue;
            //
            //     string id = collect[i][1].ToString();
            //     string playerName = collect[i][2].ToString();
            //     Player_DataInfo info = new Player_DataInfo(
            //         id,
            //         playerName
            //     );
            //     array.Add(info);
            // }

            List<Player_DataInfo> array = new List<Player_DataInfo>();

            var objs = ReadExcel.Read(excelName, sheetName);

            // var cellsValue = cells.Value;
            // object[,] objs = cells.Value as object[,];

            var xLeng = objs.GetLength(1);
            var yLeng = objs.GetLength(0);

            for (var i = 2; i < yLeng; i++) //列
            {
                string id = objs[i, 1].ToString();
                string playerName = objs[i, 2].ToString();
                Player_DataInfo info = new Player_DataInfo(
                    id,
                    playerName
                );
                array.Add(info);
                // for (var j = 1; j < xLeng; j++) // 行
                // {
                //     if (objs[i, j] == null) continue;
                //
                // }
            }

            return array;
        }

        public static List<SingleChoice_QuestionBank_A_DataInfo> SelectATable(string name, string sheetName = "Sheet1")
        {
            string excelName = name + ".xlsx";

            // DataRowCollection collect = ReadExcel.Read(excelName, sheetName);
            //
            // List<SingleChoice_QuestionBank_A_DataInfo> array = new List<SingleChoice_QuestionBank_A_DataInfo>();
            // for (int i = 2; i < collect.Count; i++)
            // {
            //     if (collect[i][1].ToString() == "") continue;
            //
            //     string id = collect[i][1].ToString();
            //     string topic = collect[i][2].ToString();
            //     string[] options = collect[i][3].ToString().Split("\n");
            //     string[] answer = collect[i][4].ToString().Split(",");
            //     SingleChoice_QuestionBank_A_DataInfo info = new SingleChoice_QuestionBank_A_DataInfo(
            //         id,
            //         topic,
            //         options,
            //         answer
            //     );
            //     array.Add(info);
            // }
            List<SingleChoice_QuestionBank_A_DataInfo> array = new List<SingleChoice_QuestionBank_A_DataInfo>();

            var objs = ReadExcel.Read(excelName, sheetName);

            // var cellsValue = cells.Value;
            // object[,] objs = cells.Value as object[,];

            var xLeng = objs.GetLength(1);
            var yLeng = objs.GetLength(0);

            for (var i = 2; i < yLeng; i++) //列
            {
                string id = objs[i, 1].ToString();
                string topic = objs[i, 2].ToString();
                string[] options = objs[i, 3].ToString().Split("\n");
                string[] answer = objs[i, 4].ToString().Split(",");
                SingleChoice_QuestionBank_A_DataInfo info = new SingleChoice_QuestionBank_A_DataInfo(
                    id,
                    topic,
                    options,
                    answer
                );
                array.Add(info);
                // for (var j = 1; j < xLeng; j++) // 行
                // {
                //     Debug.Log($"{nameof(SingleChoice_QuestionBank_A_DataInfo)} data : {i},{j}");
                //     if (objs[i, j] == null) continue;
                //
                // }
            }

            return array;
        }

        public static List<SingleChoice_QuestionBank_B_DataInfo> SelectBTable(string name, string sheetName = "Sheet1")
        {
            string excelName = name + ".xlsx";

            // DataRowCollection collect = ReadExcel.Read(excelName, sheetName);
            //
            // List<SingleChoice_QuestionBank_B_DataInfo> array = new List<SingleChoice_QuestionBank_B_DataInfo>();
            // for (int i = 2; i < collect.Count; i++)
            // {
            //     if (collect[i][1].ToString() == "") continue;
            //
            //     string id = collect[i][1].ToString();
            //     string topic = collect[i][2].ToString();
            //     string[] options = collect[i][3].ToString().Split(";");
            //     string[] answer = collect[i][4].ToString().Split(",");
            //     SingleChoice_QuestionBank_B_DataInfo info = new SingleChoice_QuestionBank_B_DataInfo(
            //         id,
            //         topic,
            //         options,
            //         answer
            //     );
            //     array.Add(info);
            // }
            List<SingleChoice_QuestionBank_B_DataInfo> array = new List<SingleChoice_QuestionBank_B_DataInfo>();

            var objs = ReadExcel.Read(excelName, sheetName);

            // var cellsValue = cells.Value;
            // object[,] objs = cells.Value as object[,];

            var xLeng = objs.GetLength(1);
            var yLeng = objs.GetLength(0);

            for (var i = 2; i < yLeng; i++) //列
            {
                string id = objs[i, 1].ToString();
                string topic = objs[i, 2].ToString();
                string[] options = objs[i, 3].ToString().Split(";");
                string[] answer = objs[i, 4].ToString().Split(",");
                SingleChoice_QuestionBank_B_DataInfo info = new SingleChoice_QuestionBank_B_DataInfo(
                    id,
                    topic,
                    options,
                    answer
                );
                array.Add(info);
                // for (var j = 1; j < xLeng; j++) // 行
                // {
                //     if (objs[i, j] == null) continue;
                //
                // }
            }

            return array;
        }

        public static List<TureOrFalse_QuestionBank_C_DataInfo> SelectCTable(string name, string sheetName = "Sheet1")
        {
            string excelName = name + ".xlsx";

            // DataRowCollection collect = ReadExcel.Read(excelName, sheetName);
            //
            // List<TureOrFalse_QuestionBank_C_DataInfo> array = new List<TureOrFalse_QuestionBank_C_DataInfo>();
            // for (int i = 2; i < collect.Count; i++)
            // {
            //     if (collect[i][1].ToString() == "") continue;
            //
            //     string id = collect[i][1].ToString();
            //     string topic = collect[i][2].ToString();
            //     string[] options = collect[i][3].ToString().Split(";");
            //     string[] answer = collect[i][4].ToString().Split(",");
            //     TureOrFalse_QuestionBank_C_DataInfo info = new TureOrFalse_QuestionBank_C_DataInfo(
            //         id,
            //         topic,
            //         options,
            //         answer
            //     );
            //     array.Add(info);
            // }
            List<TureOrFalse_QuestionBank_C_DataInfo> array = new List<TureOrFalse_QuestionBank_C_DataInfo>();

            var objs = ReadExcel.Read(excelName, sheetName);

            // var cellsValue = cells.Value;
            // object[,] objs = cells.Value as object[,];

            var xLeng = objs.GetLength(1);
            var yLeng = objs.GetLength(0);

            for (var i = 2; i < yLeng; i++) //列
            {
                string id = objs[i, 1].ToString();
                string topic = objs[i, 2].ToString();
                string[] options = objs[i, 3].ToString().Split(";");
                string[] answer = objs[i, 4].ToString().Split(",");
                TureOrFalse_QuestionBank_C_DataInfo info = new TureOrFalse_QuestionBank_C_DataInfo(
                    id,
                    topic,
                    options,
                    answer
                );
                array.Add(info);
                // for (var j = 1; j < xLeng; j++) // 行
                // {
                //     if (objs[i, j] == null) continue;
                //
                // }
            }

            return array;
        }

        public static List<MultipleChoice_QuestionBank_D_DataInfo> SelectDTable(string name, string sheetName = "Sheet1")
        {
            string excelName = name + ".xlsx";

            List<MultipleChoice_QuestionBank_D_DataInfo> array = new List<MultipleChoice_QuestionBank_D_DataInfo>();

            var objs = ReadExcel.Read(excelName, sheetName);

            // var cellsValue = cells.Value;
            // object[,] objs = cells.Value as object[,];

            var xLeng = objs.GetLength(1);
            var yLeng = objs.GetLength(0);

            for (var i = 2; i < yLeng; i++) //列
            {
                string id = objs[i, 1].ToString();
                string topic = objs[i, 2].ToString();
                string[] options = objs[i, 3].ToString().Split(";");
                string[] answer = objs[i, 4].ToString().Split(",");
                MultipleChoice_QuestionBank_D_DataInfo info = new MultipleChoice_QuestionBank_D_DataInfo(
                    id,
                    topic,
                    options,
                    answer
                );
                array.Add(info);
                Debug.Log(id);
                // for (var j = 1; j < xLeng; j++) // 行
                // {
                //     if (objs[i, j] == null) continue;
                //
                // }
            }

            return array;

            // for (int i = 2; i < collect.Count; i++)
            // {
            //     if (collect[i][1].ToString() == "") continue;
            //
            //     string id = collect[i][1].ToString();
            //     string topic = collect[i][2].ToString();
            //     string[] options = collect[i][3].ToString().Split(";");
            //     string[] answer = collect[i][4].ToString().Split(",");
            //     MultipleChoice_QuestionBank_D_DataInfo info = new MultipleChoice_QuestionBank_D_DataInfo(
            //         id,
            //         topic,
            //         options,
            //         answer
            //     );
            //     array.Add(info);
            // }

            // return array;
        }

        //查询menu表
        // public static List<Menu> SelectMenuTable(string name, string sheetName)
        // {
        //     string excelName = name + ".xlsx";
        //
        //     DataRowCollection collect = ReadExcel.Read(excelName, sheetName);
        //
        //     List<Menu> menuArray = new List<Menu>();
        //     for (int i = 2; i < collect.Count; i++)
        //     {
        //         if (collect[i][1].ToString() == "") continue;
        //
        //         Menu menu = new Menu
        //         {
        //             m_Id = collect[i][0].ToString(),
        //             m_level = collect[i][1].ToString(),
        //             m_parentId = collect[i][2].ToString(),
        //             m_name = collect[i][3].ToString()
        //         };
        //         menuArray.Add(menu);
        //     }
        //
        //     return menuArray;
        // }

        /// <summary>
        /// 读取 Excel ; 需要添加 Excel.dll; System.Data.dll;
        /// </summary>
        /// <param name="excelName">excel文件名</param>
        /// <param name="sheetName">sheet名称</param>
        /// <returns>DataRow的集合</returns>
        static object[,] Read(string excelName, string sheetName)
        {
            object[,] objs = new object[,] { };

            using FileStream fs = new FileStream(Application.streamingAssetsPath + "/Excel/" + excelName, FileMode.Open, FileAccess.Read, FileShare.Read);
            using (var pck = new ExcelPackage(fs))
            {
                var sheet = pck.Workbook.Worksheets[sheetName];

                // var excelRange = sheet.Cells["b:g"];
                // int row = excelRange.Count(x => x.Address.Length == 2 && x.Address[1] == '2');
                // var enumerable = excelRange.Select((x, i) =>
                // {
                //     if (x.Address.Length == 2 && x.Address[1] == '1')
                //     {
                //         return null;
                //     }
                //
                //     return x.Value.ToString();
                // });
                // var strings = enumerable.Where(x => x is not null).ToArray();
                // List<string[]> list = new List<string[]>();
                // var stringsLength = strings.Length;
                // for (var i = 0; (i + row - 1) < stringsLength; i += row)
                // {
                //     var strings1 = new string[row];
                //     for (var i1 = 0; i1 < row; i1++)
                //     {
                //         strings1[i1] = strings[i + i1];
                //     }
                //
                //     list.Add(strings1);
                // }
                //
                // foreach (var strings1 in list)
                // {
                //     Debug.Log(string.Join(',', strings1));
                // }

                objs = sheet.Cells.Value as object[,];
                return objs;
            }

            // string path = Application.streamingAssetsPath + "/Excel/" + excelName;
            // //string path = Application.dataPath + "/" + excelName;
            // FileStream stream = File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read);
            // IExcelDataReader excelReader = ExcelReaderFactory.CreateOpenXmlReader(stream);
            //
            // DataSet result = excelReader.AsDataSet();
            // //int columns = result.Tables[0].Columns.Count;
            // //int rows = result.Tables[0].Rows.Count;
            //
            // //tables可以按照sheet名获取，也可以按照sheet索引获取
            // //return result.Tables[0].Rows;
            // return result.Tables[sheetName].Rows;
        }

        private static DataTable GetDataTable()
        {
            return new DataTable("");
        }

        /// <summary>
        /// 读取 Excel ; 需要添加 Excel.dll; System.Data.dll;
        /// </summary>
        /// <param name="excelName">excel文件名</param>
        /// <param name="sheetName">sheet索引</param>
        /// <returns>DataRow的集合</returns>
        static DataRowCollection Read(string excelName, int sheetIndex)
        {
            string path = Application.streamingAssetsPath + "/Excel/" + excelName;
            //string path = Application.dataPath + "/" + excelName;
            FileStream stream = File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read);
            IExcelDataReader excelReader = ExcelReaderFactory.CreateOpenXmlReader(stream);

            DataSet result = excelReader.AsDataSet();
            //int columns = result.Tables[0].Columns.Count;
            //int rows = result.Tables[0].Rows.Count;

            //tables可以按照sheet名获取，也可以按照sheet索引获取
            //return result.Tables[0].Rows;
            return result.Tables[sheetIndex].Rows;
        }
    }
}