#if UNITY_EDITOR
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using Gameplay.Story.Cmp.Data;
using Gameplay.Story.I18N;
using UnityEngine;
using NPOI.HSSF.UserModel;
using NPOI.SS.UserModel;
using NPOI.XSSF.UserModel;

namespace Gameplay.Story.Cmp.Utils
{
    public static class ExcelReader
    {

        public static List<StoryI18NItemDataWrapper> ReadI18NData(string excelPath)
        {
            var result = new List<StoryI18NItemDataWrapper>();
            if (string.IsNullOrEmpty(excelPath))
            {
                return result;
            }
            
            var workbook = _GetSheet(excelPath);
            if (workbook == null) return result;
            // 读取sheetcount
            var sheetCount = workbook.NumberOfSheets;
            for (int i = 0; i < sheetCount; i++)
            {
                var readSheet = workbook.GetSheetAt(i);
                var sheetName = readSheet.SheetName;
                var i18NData = _Readi18NData(readSheet);
                i18NData.languageName = sheetName;
                result.Add(i18NData);
            }
            workbook.Close();

            return result;

        }

        private static StoryI18NItemDataWrapper _Readi18NData(ISheet sheet)
        {
            // 第一行不读
            var currentRowIndex = 1;
            var row = sheet.GetRow(currentRowIndex);
            var result = new StoryI18NItemDataWrapper();
            var data = new List<StoryI18NItemData>();
            while (row != null)
            {
                var cellIndex = 0;
                var cellHashCode = row.GetCell(cellIndex++);
                var cellValue = row.GetCell(cellIndex++);
                var hashCode = _TryReadMsg(cellHashCode);
                var value = _TryReadMsg(cellValue);
                var item = new StoryI18NItemData
                {
                    hashCode = hashCode,
                    value = value
                };
                data.Add(item);
                currentRowIndex++;
                row = sheet.GetRow(currentRowIndex);
            }
            result.data = data.ToArray();
            return result;
        }
        
        public static StoryExcelData TryReadExcelData(string excelPath)
        {
            if (string.IsNullOrEmpty(excelPath))
            {
                return null;
            }

            var storyExcelData = new StoryExcelData();
            _TryReadExcelData(excelPath, storyExcelData);

            return storyExcelData;
        }

        private static void _TryReadExcelData(string excelPath,
            StoryExcelData storyExcelData)
        {
            var workbook = _GetSheet(excelPath);
            if (workbook == null) return;
            var readSheet = workbook.GetSheetAt(0);
            var currentRowIndex = 2;
            var row = readSheet.GetRow(currentRowIndex);
            var name2Id = new Dictionary<string, int>();
            while (row != null)
            {
                // 读取一行的所有信息
                // 0 无用
                // 1 blockid
                // 2 characterName
                // 3 playerId
                // 4 isTalk 0 1
                // 5 modelId
                // 6 对话信息
                // 7 动作信息
                // 8 表情信息
                // 9 blocktime
                var cellIndex = 1;
                var cellBlockId = row.GetCell(cellIndex++);
                var cellCharacterName = row.GetCell(cellIndex++);
                var cellPlayerId = row.GetCell(cellIndex++);
                var cellIsTalk = row.GetCell(cellIndex++);
                var cellModelId = row.GetCell(cellIndex++);
                var cellDialog = row.GetCell(cellIndex++);
                var cellMotionName = row.GetCell(cellIndex++);
                var cellFaceName = row.GetCell(cellIndex++);
                var cellBlockTime = row.GetCell(cellIndex++);

                var msgBlockId = _TryReadMsg(cellBlockId);
                var msgCharacterName = _TryReadMsg(cellCharacterName);
                var msgPlayerId = _TryReadMsg(cellPlayerId);
                var msgIsTalk = _TryReadMsg(cellIsTalk);
                var msgModelId = _TryReadMsg(cellModelId);
                var msgDialog = _TryReadMsg(cellDialog);
                var msgMotionName = _TryReadMsg(cellMotionName);
                var msgFaceName = _TryReadMsg(cellFaceName);
                var msgBlockTime = _TryReadMsg(cellBlockTime);

                var blockId = _TryGetId(msgBlockId, -1);
                if (blockId == -1)
                {
                    currentRowIndex++;
                    row = readSheet.GetRow(currentRowIndex);
                    continue;
                }
                var getBlockData = storyExcelData.TryGetExcelBlockData(blockId);
                if (getBlockData == null)
                {
                    getBlockData = new StoryExcelBlockData(blockId);
                    storyExcelData.AddBlockData(getBlockData);
                }

                // 如果有对话内容,则进行覆盖
                if (!string.IsNullOrEmpty(msgDialog))
                {
                    getBlockData.TrySetMsg(msgDialog);
                }

                var isTalk = _TryGetId(msgIsTalk, 0) == 1;
                var modelId = _TryGetId(msgModelId);
                var playerId = _TryGetId(msgPlayerId);
                if (name2Id.TryGetValue(msgCharacterName, out var cachePlayerId))
                {
                    playerId = cachePlayerId;
                }
                else
                {
                    name2Id.Add(msgCharacterName, playerId);
                }
                var newPlayerData = new StoryExcelPlayerData
                {
                    playerName = msgCharacterName,
                    playerId = playerId,
                    configId = modelId,
                    isTalk = isTalk
                };
                if (!string.IsNullOrEmpty(msgMotionName))
                {
                    newPlayerData.motionName = msgMotionName;
                }
                if (!string.IsNullOrEmpty(msgFaceName))
                {
                    var splitFaceNames = msgFaceName.Split('|');
                    foreach (string splitFaceName in splitFaceNames)
                    {
                        newPlayerData.faceNames.Add(splitFaceName);
                    }
                }
                getBlockData.TryAddPlayerData(newPlayerData);

                if (string.IsNullOrEmpty(msgBlockTime))
                {
                    getBlockData.blockTime = 0f;
                }
                else
                {
                    getBlockData.blockTime = _TryGetFloat(msgBlockTime);
                }

                currentRowIndex++;
                row = readSheet.GetRow(currentRowIndex);
            }
        }
        
        private static float _TryGetFloat(string msg,
            float defaultValue = 0)
        {
            if (float.TryParse(msg, out var result))
            {
                return result;
            }
            return defaultValue;
        }

        private static int _TryGetId(string msg,
            int defaultValue = 0)
        {
            if (int.TryParse(msg, out var result))
            {
                return result;
            }
            return defaultValue;
        }

        private static string _TryReadMsg(ICell cell)
        {
            if (cell == null)
            {
                return "";
            }
            if (cell.CellType == CellType.String)
            {
                return cell.StringCellValue;
            }
            if (cell.CellType == CellType.Numeric)
            {
                return cell.NumericCellValue.ToString(CultureInfo.InvariantCulture);
            }
            if (cell.CellType == CellType.Boolean)
            {
                return cell.BooleanCellValue.ToString();
            }
            if (cell.CellType == CellType.Blank)
            {
                return "";
            }
            Debug.LogError("暂不支持的单元格类型:" + cell.CellType + "");
            return "";
        }

        private static IWorkbook _GetSheet(string excelPath)
        {

            Debug.Log("处理文件:" + excelPath);
            FileStream fs = null;
            try
            {
                fs = new FileStream(excelPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
            }
            catch (Exception e)
            {
                Debug.LogException(e);
            }

            if (fs == null)
            {
                Debug.LogError("无法打开文件{0},跳过处理:" + excelPath);
                return null;
            }
            var isXlsx = excelPath.EndsWith(".xlsx", System.StringComparison.CurrentCultureIgnoreCase);

            IWorkbook workbook = null;
            if (isXlsx)
            {
                workbook = new XSSFWorkbook(fs);
            }
            else
            {
                workbook = new HSSFWorkbook(fs);
            }

            return workbook;
        }
    }
}
#endif