using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Text;
using UnityEngine;
using GFGGame;
using System.Text.RegularExpressions;
using static Google.Protobuf.Reflection.GeneratedCodeInfo.Types;
using OfficeOpenXml;

namespace GFGEditor
{
    public class CodeBuilder
    {
        private const string SQL_PREFIX = "_";
        private static StringBuilder _declarationBuilder = new StringBuilder();
        private static StringBuilder _assignmentBuilder = new StringBuilder();
        private static StringBuilder _parseBuilder = new StringBuilder();
        //private static bool _hasSameIds;

        private static List<string> _names = new List<string>();
        private static List<string> _types = new List<string>();
        private static List<string> _allNames = new List<string>();
        private static List<string> _allTypes = new List<string>();
        private static List<int> _indexs = new List<int>();
        private static List<int> _allIndexs = new List<int>();
        private static Dictionary<string, string> _idDic = new Dictionary<string, string>();
        private static Dictionary<string, string> _itemTypeDicByName = new Dictionary<string, string>();

        public static void GenerateCode(ExcelWorksheet worksheet, string configName, string configArrayName)
        {
            ET.Log.Debug($"configName {configName}");
            _declarationBuilder.Clear();
            _assignmentBuilder.Clear();
            _parseBuilder.Clear();
            _names.Clear();
            _allNames.Clear();
            _types.Clear();
            _allTypes.Clear();
            _indexs.Clear();
            _allIndexs.Clear();
            _idDic.Clear();
            //_hasSameIds = false;
            List<string> keyName = new List<string>();//默认用id查询单条数据
            List<string> keyType = new List<string>();
            Dictionary<string, List<string>> keyNames = new Dictionary<string, List<string>>();
            Dictionary<string, List<string>> keyTypes = new Dictionary<string, List<string>>();
            Dictionary<string, List<string>> groupNames = new Dictionary<string, List<string>>();
            Dictionary<string, List<string>> groupTypes = new Dictionary<string, List<string>>();
            bool groupOnly = false;//可根据id分组时，不提供根据id查询单条数据的接口
            int len = worksheet.Dimension.End.Column;
            if (len <= 0)
            {
                return;
            }
            worksheet = HandleExcelWorksheet(worksheet);
            for (int i = 1; i <= len; ++i)
            {
                ET.Log.Debug($"GenerateCode for i {i}");
                string annotation = worksheet.Cells[1, i].Text.Trim();
                string typeWhole = worksheet.Cells[2, i].Text.Trim();
                string type = typeWhole.Split('#')[0];
                string nameWhole = worksheet.Cells[3, i].Text.Trim();
                string[] nameInfos = nameWhole.Split('#', '&');//#和&不会同时存在，即不会将数组用作数据查询的关键字key
                string name = nameInfos[0];
                if (i == 1)
                {
                    keyName.Add(name);
                    keyType.Add(type);
                }
                for (int j = 1; j < nameInfos.Length; j++)
                {
                    if (nameInfos[j].Contains("k"))
                    {
                        if (!keyNames.ContainsKey(nameInfos[j]))
                        {
                            keyNames.Add(nameInfos[j], new List<string>());
                            keyTypes.Add(nameInfos[j], new List<string>());
                        }
                        keyNames[nameInfos[j]].Add(name);
                        keyTypes[nameInfos[j]].Add(type);
                    }
                    if (nameInfos[j].Contains("g"))
                    {
                        if (!groupNames.ContainsKey(nameInfos[j]))
                        {
                            groupNames.Add(nameInfos[j], new List<string>());
                            groupTypes.Add(nameInfos[j], new List<string>());
                        }
                        groupNames[nameInfos[j]].Add(name);
                        groupTypes[nameInfos[j]].Add(type);
                    }
                }
                foreach (string key in groupNames.Keys)
                {
                    if (groupNames[key].Count == 1 && groupNames[key][0] == keyName[0])
                    {
                        groupOnly = true;
                    }
                }
                ParseDataColumn(annotation, type, name, nameWhole, typeWhole, i);
            }


            //创建sqlite表
            SQLiteHelper.Instance.CreateTable(configArrayName, _names.ToArray(), _types.ToArray());
            AddDataToSql(worksheet, configName, configArrayName);

            //生成管理类代码
            string configArrayStr = CodeTemplateFactory.ConfigArrayTemplate;

            _declarationBuilder.AppendFormat("\t\t//{0}", "key");
            _declarationBuilder.AppendLine();
            _declarationBuilder.AppendFormat("\t\tpublic {0} {1};", "string", "key");
            _declarationBuilder.AppendLine();

            // _assignmentBuilder.AppendFormat("\t\t\t{0} = \"{1}\";", "key", keyName);
            // _assignmentBuilder.AppendLine();

            foreach (string key in keyNames.Keys)
            {
                _declarationBuilder.AppendFormat("\t\t//{0}{1}", "key_", key);
                _declarationBuilder.AppendLine();
                _declarationBuilder.AppendFormat("\t\tpublic {0} {1}{2};", "string", "combinedKey_", key);
                _declarationBuilder.AppendLine();

            }

            foreach (string key in groupNames.Keys)
            {
                _declarationBuilder.AppendFormat("\t\t//{0}{1}", "groupKey_", key);
                _declarationBuilder.AppendLine();
                _declarationBuilder.AppendFormat("\t\tpublic {0} {1}{2};", "string", "groupKey_", key);
                _declarationBuilder.AppendLine();

            }

            string strDiapose = "_allDatas = null;\n";



            string singleFunction = "";
            //处理查询单条数据函数
            if (!groupOnly)
            {
                singleFunction = HandleSingleFunction("key", keyName, keyType, "GetCfg", "_cfgsDic", configArrayStr);
                strDiapose = string.Format("{0}\t\t\t{1}\n", strDiapose, "_cfgsDic.Clear();");
            }
            foreach (string key in keyNames.Keys)
            {
                string functionName = string.Format("GetCfgBy{0}", string.Join("And", keyNames[key]));
                string cfgsDicName = string.Format("_cfgsDicBy{0}", string.Join("And", keyNames[key]));

                singleFunction = singleFunction + HandleSingleFunction("combinedKey_" + key, keyNames[key], keyTypes[key], functionName, cfgsDicName, configArrayStr);
                strDiapose = string.Format("{0}\t\t\t{1}.Clear();\n", strDiapose, cfgsDicName);
            }
            configArrayStr = configArrayStr.Replace("{singleFunction}", singleFunction);

            string groupFunction = "";

            //处理查询多条数据函数
            if (groupNames.Count > 0)
            {
                int index0 = 0;
                foreach (string key in groupNames.Keys)
                {
                    string functionName = groupNames.Count == 1 ? "GetCfgs" : string.Format("GetCfgsBy{0}", string.Join("And", groupNames[key]));
                    string cfgsGroupDicName = string.Format("_cfgsGroupDic{0}", index0);
                    groupFunction = groupFunction + HandleGroupFunction("groupKey_" + key, groupNames[key], groupTypes[key], functionName, cfgsGroupDicName, configArrayStr);
                    strDiapose = string.Format("{0}\t\t\t{1}.Clear();", strDiapose, cfgsGroupDicName);
                    index0++;
                }
            }
            configArrayStr = configArrayStr.Replace("{groupFunction}", groupFunction);


            //处理全部数据函数
            string FunctionAllStr = CodeTemplateFactory.FunctionAllTemplate;
            configArrayStr = configArrayStr.Replace("{allFunction}", FunctionAllStr);
            configArrayStr = configArrayStr.Replace("{Init}", CodeTemplateFactory.InitTemplate);
            configArrayStr = configArrayStr.Replace("{Dispose}", CodeTemplateFactory.DisposeTemplate);
            configArrayStr = configArrayStr.Replace("{StrDiapose}", strDiapose);

            configArrayStr = configArrayStr.Replace("{editorConditionStart}", "");
            configArrayStr = configArrayStr.Replace("{editorConditionEnd}", "");



            List<string> singleStrArry = new List<string>();
            if (!groupOnly)
            {
                string singleStr = CodeTemplateFactory.FunctionAllSingleBlockTemplate;
                singleStr = singleStr.Replace("{cfgsDicName}", "_cfgsDic");
                singleStr = singleStr.Replace("{combinedKey}", "cfg.key");
                singleStrArry.Add(singleStr);
            }
            foreach (string key in keyNames.Keys)
            {
                string cfgsDicName = string.Format("_cfgsDicBy{0}", string.Join("And", keyNames[key]));
                string singleStr = CodeTemplateFactory.FunctionAllSingleBlockTemplate;
                singleStr = singleStr.Replace("{cfgsDicName}", cfgsDicName);
                singleStr = singleStr.Replace("{combinedKey}", "cfg.combinedKey_" + key);
                singleStrArry.Add(singleStr);
            }
            string singleStrs = string.Join("\n", singleStrArry);

            List<string> groupStrArry = new List<string>();
            int index1 = 0;
            foreach (string key in groupNames.Keys)
            {
                string cfgsDicName = string.Format("_cfgsGroupDic{0}", index1);
                string singleStr = CodeTemplateFactory.FunctionAllGroupBlockTemplate;
                singleStr = singleStr.Replace("{cfgsGroupDicName}", cfgsDicName);
                singleStr = singleStr.Replace("{groupKey}", "cfg.groupKey_" + key);
                singleStr = singleStr.Replace("{list}", "list" + index1);
                groupStrArry.Add(singleStr);
                index1++;
            }
            string groupStrs = string.Join("\n", groupStrArry);

            configArrayStr = configArrayStr.Replace("{FunctionAllBlock}", singleStrs + "\n" + groupStrs);

            // foreach()
            //名称处理
            configArrayStr = configArrayStr.Replace("{CfgName}", configName);
            configArrayStr = configArrayStr.Replace("{CfgArrayName}", configArrayName);
            //生成反序列化代码
            string configStr = CodeTemplateFactory.ConfigTemplate.Replace("{CfgName}", configName);
            configStr = configStr.Replace("{variable declaration}", _declarationBuilder.ToString());
            configStr = configStr.Replace("{variable assignment}", _assignmentBuilder.ToString());
            configStr = configStr.Replace("{variable parse}", _parseBuilder.ToString());
            //创建配置项类代码
            using (StreamWriter sw = new StreamWriter(ExcelConfig.configCodePath + configName + ".cs"))
            {
                sw.Write(configStr);
            }
            //创建管理类代码
            using (StreamWriter sw = new StreamWriter(ExcelConfig.configArrayCodePath + configArrayName + ".cs"))
            {
                sw.Write(configArrayStr);
            }

            Debug.LogFormat("生成{0}", configName);
        }
        private static string HandleSingleFunction(string key, List<string> keyNames, List<string> keyTypes, string functionName, string cfgsDicName, string configArrayStr)
        {
            string FunctionSingleStr = CodeTemplateFactory.FunctionSingleTemplate;
            CreateParamsString(keyNames, keyTypes, out string paramsStr, out string colNames, out string colValues);
            FunctionSingleStr = FunctionSingleStr.Replace("{params}", paramsStr);
            FunctionSingleStr = FunctionSingleStr.Replace("{colNames}", colNames);
            FunctionSingleStr = FunctionSingleStr.Replace("{colValues}", colValues);
            FunctionSingleStr = FunctionSingleStr.Replace("{FunctionName}", functionName);
            FunctionSingleStr = FunctionSingleStr.Replace("{cfgsDicName}", cfgsDicName);

            _assignmentBuilder.AppendFormat("\t\t\t{0} = \"{1}\";", key, string.Join("_", keyNames));
            _assignmentBuilder.AppendLine();
            return FunctionSingleStr;
        }
        private static string HandleGroupFunction(string key, List<string> groupNames, List<string> groupTypes, string functionName, string cfgsGroupDicName, string configArrayStr)
        {
            string FunctionGroupStr = CodeTemplateFactory.FunctionGroupTemplate;
            CreateParamsString(groupNames, groupTypes, out string paramsStr, out string colNames, out string colValues);
            FunctionGroupStr = FunctionGroupStr.Replace("{params}", paramsStr);
            FunctionGroupStr = FunctionGroupStr.Replace("{colNames}", colNames);
            FunctionGroupStr = FunctionGroupStr.Replace("{colValues}", colValues);
            FunctionGroupStr = FunctionGroupStr.Replace("{FunctionName}", functionName);
            FunctionGroupStr = FunctionGroupStr.Replace("{cfgsGroupDicName}", cfgsGroupDicName);

            _assignmentBuilder.AppendFormat("\t\t\t{0} = \"{1}\";", key, string.Join("_", groupNames));
            _assignmentBuilder.AppendLine();
            return FunctionGroupStr;

        }
        private static void ParseDataColumn(string annotation, string type, string name, string nameWhole, string typeWhole, int index)
        {
            if (type.Length > 0 && name.Length > 0)
            {

                _allNames.Add(nameWhole);
                _allTypes.Add(typeWhole);
                _allIndexs.Add(index);

                if (_names.IndexOf(SQL_PREFIX + name) >= 0) return;
                _names.Add(SQL_PREFIX + name);
                _types.Add("TEXT");
                _indexs.Add(index);

                //生成解析后的数据变量
                _declarationBuilder.AppendFormat("\t\t//{0}", annotation.Split('#')[0]);
                _declarationBuilder.AppendLine();
                if (type.Contains("[]"))
                {
                    //_declarationBuilder.AppendFormat("\t\tpublic {0} {1};", "string", tempName);
                    //_declarationBuilder.AppendLine();
                    //_declarationBuilder.AppendLine("\t\t[NonSerialized]");
                    _declarationBuilder.AppendFormat("\t\tpublic {0} {1}Arr;", type, name);
                    _declarationBuilder.AppendLine();
                }
                else
                {
                    _declarationBuilder.AppendFormat("\t\tpublic {0} {1};", type, name);
                    _declarationBuilder.AppendLine();
                }

                //添加解析代码
                if (type == "int")
                {
                    //_assignmentBuilder.AppendFormat("\t\t\t{0} = ConfigUtil.GetInt(0, dataRow, {1});", name, index);
                    _assignmentBuilder.AppendFormat("\t\t\t{0} = ConfigUtil.GetInt(reader.GetString(reader.GetOrdinal(\"_{1}\")));", name, name);
                    _assignmentBuilder.AppendLine();
                }
                else if (type == "float")
                {
                    _assignmentBuilder.AppendFormat("\t\t\t{0} = ConfigUtil.GetFloat(reader.GetString(reader.GetOrdinal(\"_{1}\")));", name, name);
                    _assignmentBuilder.AppendLine();
                }
                else if (type == "string")
                {
                    _assignmentBuilder.AppendFormat("\t\t\t{0} = reader.GetString(reader.GetOrdinal(\"_{1}\"));", name, name);
                    _assignmentBuilder.AppendLine();
                }
                else
                {
                    _assignmentBuilder.AppendFormat("\t\t\tvar temp{0} = reader.GetString(reader.GetOrdinal(\"_{1}\"));", name, name);
                    _assignmentBuilder.AppendLine();
                    if (type.Contains("[][]"))
                    {
                        string subType = type.Replace("[][]", "");
                        _assignmentBuilder.AppendFormat("\t\t\t{0}Arr = ConfigUtil.GetTwoDimensionalArr<{1}>(temp{2});", name, subType, name);
                        _assignmentBuilder.AppendLine();
                    }
                    else if (type.Contains("[]"))
                    {
                        string subType = type.Replace("[]", "");
                        _assignmentBuilder.AppendFormat("\t\t\t{0}Arr = ConfigUtil.GetLinearArr<{1}>(temp{2});", name, subType, name);
                        _assignmentBuilder.AppendLine();
                    }

                }
            }
        }
        private static ExcelWorksheet HandleExcelWorksheet(ExcelWorksheet worksheet)
        {
            return worksheet;
        }

        private static void AddDataToSql(ExcelWorksheet worksheet, string configName, string configArrayName)
        {
            int rowNum = worksheet.Dimension.End.Row;
            for (int i = 5; i <= rowNum; i++)
            {
                string key = worksheet.Cells[i, 1].Text.Trim();
                if (key.Length == 0)
                {
                    continue;
                }
                //解析每行的数据
                WriteRowDataToSqlite(worksheet.Cells, configArrayName, i);
                if (_idDic.ContainsKey(key))
                {
                    //_hasSameIds = true;
                }
                else
                {
                    _idDic[key] = key;
                }
            }
        }

        private static void WriteRowDataToSqlite(ExcelRange worksheet, string configArrayName, int row)
        {
            List<string> values = new List<string>();
            var keyValue = worksheet[row, 1].Text.Trim();
            foreach (var i in _indexs)
            {
                if (configArrayName == "GiftBagCfgArray")
                {
                    Debug.Log("zoya");
                }
                var fieldName = _allNames[i - 1];
                var name = fieldName.Split('#')[0];
                var value = worksheet[row, i].Text.Trim();
                if (configArrayName == nameof(ItemTypeCfgArray) && name == "name")
                {
                    CacheItemTypeByName(keyValue, name, value);
                    values.Add(value);
                }
                else if (configArrayName == nameof(ItemCfgArray) && (name == "itemType" || name == "subType"))
                {
                    HandleItemCfgField(keyValue, name, ref value);
                    values.Add(value);
                }
                else
                {
                    string _value = GetValue(configArrayName, worksheet, name, row, i);
                    values.Add(_value);
                }
            }
            SQLiteHelper.Instance.InsertValues(configArrayName, values.ToArray());
        }

        private static void CacheItemTypeByName(string idStr, string fieldName, string value)
        {
            _itemTypeDicByName[value] = idStr;
        }

        private static void HandleItemCfgField(string idStr, string fieldName, ref string value)
        {
            // fieldName = fieldName.Substring(1);
            ET.Log.Debug($"idStr {idStr} fieldName {fieldName} value {value}");
            int id = int.Parse(idStr);
            int itemType = (int)Mathf.Floor(id / GameConst.MAX_COUNT_EVERY_TYPE_ITEM);
            if (fieldName == "itemType")
            {
                if (itemType <= ConstDressUpItemType.MAX)
                {
                    value = ConstItemType.DRESS_UP.ToString();
                }
                else
                {
                    value = itemType.ToString();
                }
            }
            else if (fieldName == "subType")
            {

                if (itemType <= ConstDressUpItemType.MAX)
                {
                    string subType;
                    if (_itemTypeDicByName.TryGetValue(value, out subType))
                    {
                        value = subType;
                    }
                    else
                    {
                        Debug.LogError($"请检查物品 {idStr} 的subType值");
                    }
                }
            }
        }

        private static void CreateParamsString(List<string> keyNames, List<string> keyTypes, out string paramStr, out string colNames, out string colValues)
        {
            paramStr = "";
            colNames = "";
            colValues = "";
            for (var i = 0; i < keyNames.Count; i++)
            {
                paramStr += keyTypes[i] + " " + keyNames[i];
                colNames += $"nameof({keyNames[i]})";
                colValues += $"{keyNames[i]}.ToString()";
                if (i < keyNames.Count - 1)
                {
                    paramStr += ", ";
                    colNames += ", ";
                    colValues += ", ";
                }
            }
        }

        private static string GetValue(string configArrayName, ExcelRange worksheet, string name, int row, int index)
        {
            Dictionary<string, List<string>> _twoDimensionalDic = new Dictionary<string, List<string>>();
            string value = "";
            // foreach (var i in _allIndexs)
            // {
            for (int i = index - 1; i < _allIndexs.Count; i++)
            {
                // int _index = i - 1;
                string _name = _allNames[i];
                string[] _names = _name.Split('#');
                string _type = _allTypes[i];
                string[] _types = _type.Split('#');
                string _value = worksheet[row, i + 1].Text.Trim();
                if (_names[0] != name) continue;


                if (_type.Contains("[][]") && _type.Contains("#"))
                {
                    if (!_twoDimensionalDic.ContainsKey(_types[1]) && string.IsNullOrEmpty(_value))
                    {
                        break;
                    }
                    if (string.IsNullOrEmpty(_value))
                    {
                        ET.Log.Error(configArrayName + "  第" + row + "行  " + _type + "   无数值!");
                        continue;
                    }
                    if (!_twoDimensionalDic.ContainsKey(_types[1]))
                    {
                        _twoDimensionalDic.Add(_types[1], new List<string>());
                    }
                    _twoDimensionalDic[_types[1]].Add(_value);
                }
                else if (_type.Contains("[]") && _type.Contains("#"))
                {
                    if (string.IsNullOrEmpty(_value)) continue;
                    if (string.IsNullOrEmpty(value))
                    {
                        value = _value;
                    }
                    else
                    {
                        value = string.Format("{0};{1}", value, _value);
                    }
                }
                else
                {
                    value = _value;
                    break;
                }
            }
            if (_twoDimensionalDic.Count > 0)
            {
                List<string> _values = new List<string>();
                foreach (string key in _twoDimensionalDic.Keys)
                {
                    // if (!_twoDimensionalDic[key].ContainsKey(0)) continue;
                    // string _value0 = _twoDimensionalDic[key][0];
                    // if (!_twoDimensionalDic[key].ContainsKey(1))
                    // {
                    //     _values.Add(_value0);
                    // }
                    // else
                    // {
                    //     string str = string.Format("{0}*{1}", _value0, _twoDimensionalDic[key][1]);
                    //     _values.Add(str);
                    // }
                    _values.Add(string.Join("*", _twoDimensionalDic[key]));
                }
                value = string.Join(";", _values);
            }
            return value;
        }

    }
}