using System;
using System.Collections.Generic;
using UnityEngine;
using ClosedXML.Excel;

public class Excel
{
    private List<Sheet> datas;
    public List<Sheet> getDatas { get { return datas; } }

    // Á»´õ °íµµÈ­°¡ ÇÊ¿äÇÔ.
    //public Sheet findSheet(string sheetName) {
    //    int index = datas.FindIndex(n => n.name == sheetName);
    //    if(index == -1)
    //    {
    //        Debug.Log("null exception");
    //        return null;
    //    }
    //    return datas[index];
    //}

    #region Dynamic
    //ÀÌ·¯ÇÑ ÇüÅ·Π»ç¿ëÇÒ°Í
    public Dynamic dynamic;

    public class Dynamic
    {
        List<Data> datas;

        public float selectVelue(string name)
        {
            return datas.Find(n => n.name.Equals(name)).velue;
        }


        public Dynamic(Sheet sheet)
        {
            datas = new List<Data>();
            foreach (var item in sheet.dicViewer)
            {
                Data data = new Data((string)item.Value["name"], (float)item.Value["velue"]);
                datas.Add(data);
            }
        }

        public class Data
        {
            public string name;
            public float velue;

            public Data(string name, float velue)
            {
                this.name = name;
                this.velue = velue;
            }
        }
    }
    #endregion

    public Excel()
    {
        ExcelManager excel = new ExcelManager();
        
        //Dynamic, Unit
        excel.Add("Datas.xlsx");

        datas = excel.Play();

        dynamic = new Dynamic(datas.Find(n => n.name.Equals("Dynamic")));
    }

    public class Sheet
    {
        string _name;
        public string name { get { return _name; } }
        List<string> _variable;
        public List<string> variable { get { return _variable; } }
        List<string> _dataEnum;
        public List<string> dataEnum { get { return _dataEnum; } }
        List<string> _type;
        public List<string> type { get { return _type; } }
        Dictionary<long, Dictionary<string, object>> _dicViewer;
        public Dictionary<long, Dictionary<string, object>> dicViewer { get { return _dicViewer; } }

        public Sheet(string name, List<string> variable, List<string> dataEnum, List<string> type, Dictionary<long, Dictionary<string, object>> dicViewer)
        {
            this._name = name;
            this._variable = variable;
            this._dataEnum = dataEnum;
            this._type = type;
            this._dicViewer = dicViewer;
        }



        public Sheet(Sheet sheet)
        {
            this._name = new string(sheet.name);
            this._variable = new List<string>(sheet.variable);
            this._dataEnum = new List<string>(sheet.dataEnum);
            this._type = new List<string>(type);
            this._dicViewer = new Dictionary<long, Dictionary<string, object>>(dicViewer);
        }
    }

    class ExcelManager
    {
        readonly string path = Application.dataPath + "/07_Excel/";

        List<Sheet> _sheets;

        List<string> readList;

        public ExcelManager()
        {
            _sheets = new List<Sheet>();
            readList = new List<string>();
        }
        public void Add(string file)
        {
            readList.Add(path + file);
        }

        public List<Sheet> Play()
        {
            for (int n = 0; n < readList.Count; n++)
                if (!ExcelLoad(readList[n]))
                    return null;
            return _sheets;
        }
        public bool ExcelLoad(string pathFile)
        {
            _sheets = new List<Sheet>();
            // ¿¢¼¿ ÆÄÀÏÀ» ¿±´Ï´Ù.
            using (var workbook = new XLWorkbook(pathFile))
            {
                // ¸ðµç ¿öÅ©½ÃÆ®¸¦ ¹Ýº¹ÇÕ´Ï´Ù.
                foreach (var worksheet in workbook.Worksheets)
                {
                    // º¯¼ö À̸§, µ¥ÀÌÅÍ Å¸ÀÔ, µ¥ÀÌÅÍ ¿­°ÅÇü, µñ¼Å³Ê¸® ÃʱâÈ­
                    var variable = new List<string>(); // º¯¼ö¸í
                    var dataEnum = new List<string>(); // server¿Í client¸¦ ³ª´­ ±âÁØ
                    var type = new List<string>(); // º¯¼ö ŸÀÔ
                    var dicViewer = new Dictionary<long, Dictionary<string, object>>();

                    // Çà°ú ¿­ÀÇ ¼ö ¾ò±â
                    var vertical = worksheet.RangeUsed().RowCount() - 1; // µ¥ÀÌÅÍ°¡ ÀÖ´Â ÇàÀÇ ¼ö
                    var horizontal = worksheet.RangeUsed().ColumnCount() - 1; // µ¥ÀÌÅÍ°¡ ÀÖ´Â ¿­ÀÇ ¼ö

                    // º¯¼ö À̸§°ú ŸÀÔÀ» »ðÀÔ
                    for (int n = 0; n <= horizontal; n++)
                    {
                        variable.Add(worksheet.Cell(1, n + 1).GetValue<string>());
                        type.Add(worksheet.Cell(4, n + 1).GetValue<string>().ToLower());
                        dataEnum.Add(worksheet.Cell(3, n + 1).GetValue<string>().ToLower());
                    }

                    bool isIndex = variable[0] == "index";

                    for (int n = 5; n <= vertical + 1; n++)
                    {
                        var dataList = new Dictionary<string, object>();
                        for (int m = 0; m <= horizontal; m++)
                        {
                            object getData;
                            switch (type[m])
                            {
                                case "bool":
                                    getData = (worksheet.Cell(n, m + 1).Value.ToString() == "true");
                                    break;
                                case "int":
                                case "enum":
                                    getData = (int)worksheet.Cell(n, m + 1).Value;
                                    break;
                                case "long":
                                    getData = (long)worksheet.Cell(n, m + 1).Value;
                                    break;
                                case "float":
                                    getData = (float)worksheet.Cell(n, m + 1).Value;
                                    break;
                                case "time":
                                    getData = (DateTime)worksheet.Cell(n, m + 1).Value;
                                    break;
                                default:
                                    getData = worksheet.Cell(n, m + 1).Value.ToString();
                                    break;
                            }
                            dataList.Add(variable[m], getData);
                        }
                        dicViewer.Add((isIndex ? (long)dataList["index"] : n - 4), dataList);
                    }

                    var sheet = new Sheet(worksheet.Name, variable, dataEnum, type, dicViewer);
                    _sheets.Add(sheet);
                }
            }
            return true;
        }
    }
}