using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace csvGetData
{
    public class ImportDataGame
    {
        public static string GetPage(string _headerText, TextAsset _textAsset)
        {
            string page = null;
            int idx;

            idx = _textAsset.text.IndexOf(_headerText);
            if(idx == -1)
            {
                Debug.LogWarning(_headerText + " No exits in the TextAsset");
                return null;
            }

            page = _textAsset.text.Substring(idx);
            idx = page.IndexOf("end"+_headerText);
            if(idx == -1)
            {
                Debug.LogWarning("This is the last Page");
                return page;
            }

            page = page.Remove(idx);
            return page;
        }

        public static string GetLine(string _index, string _fileText)
        {
            string line = null;

            int index;
            index = _fileText.IndexOf(_index);
            if(index == -1)
            {
                Debug.LogWarning("No can find Line");
                return null;
            }
            line = _fileText.Substring(index);

            index = line.IndexOf('\n');

            line = line.Remove(index);

            return line;
        }

        public static List<string> GetLineValues(string _index, string _fileText, char _separator)
        {
            string line = GetLine(_index, _fileText);

            List<string> valu = GetValue(_index, line, _separator);

            return valu;
        }

        public static string GetLineValue(string _line, int idxValue, char _separator)
        {
            string[] values = _line.Split(_separator);

            /*if (idxValue >= 0 && idxValue <= values.Length)
            {
                Debug.LogError("idxValue out of Range");
                return null;
            }*/
                
            return values[idxValue];
        }

        public static string GetValue(string _line,int _index, char _separator)
        {
            string[] lines = _line.Split(_separator);

            return lines[_index];
        }

        public static string GetValue(string _index, string _page, int _idxValue, char _separator)
        {
            string line = GetLine(_index, _page);

            string[] values = line.Split(_separator);

            string value = values[_idxValue];

            return value;
        }

        public static List<string> GetValue(string _index, string _fileText,char _separator)
        {
            List<string> valu = new List<string>();
            string[] values = _fileText.Split(_separator);

            if (_fileText == null)
            {
                Debug.LogWarning("null _fileText in the method");
                return valu;
            }

            foreach (var value in values)
            {
                if (value != _index)
                {
                    if(value != "")
                    {
                        valu.Add(value);
                    }
                }
            }

            return valu;
        }

        public static int[] GetValueArray(string _line)
        {
            string[] values = _line.Split('-');
            int[] intValues = new int[values.Length];
            for (int i = 0; i < values.Length; i++)
            {
                intValues[i] = int.Parse(values[i]);
            }

            return intValues;
        }

        public static List<string> GetLines(string _index, string _page)
        {
            int idx = 0;
            bool startCount = true;

            List<string> lines = new List<string>();

            while (startCount)
            {
                idx++;
                string line = GetLine(_index + idx.ToString(), _page);
                if (line == null)
                {
                    startCount = false;
                    return lines;
                }
                else
                {
                    lines.Add(line);
                }
            }

            return lines;
        }

        public static string RemoveSymbol(string _text,char _setSymbol = ',',char _removeSymbol = '+')
        {
            string text = _text.Replace(_removeSymbol, _setSymbol);
            return text;
        }

        public static List<string> GetLines(string _textAsset, char _separator)
        {
            string[] lines = _textAsset.Split('\n');
            List<string> listLines = new List<string>();
            foreach (var line in lines)
            {
                listLines.Add(line);
            }
            return listLines;
        }
       
    }
}