using System.Collections;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using System.Text;

using System;
using System.Linq;
using System.IO;
using System.Diagnostics;
using Godot;

using Rokojori.Extensions;
namespace Rokojori.Extensions;

public static class StringExtensions
{
  public static bool Matches( this string value, string regex, RegexOptions options = RegexOptions.None )
  {   
    var match = new Regex( regex, options ).Match( value );
    return match != null && match.Success;  
  }

  public static List<string> GetMatches( this string value, string regex,  RegexOptions options = RegexOptions.None )
  {
    var matches = Regex.Matches( value, regex, options);

    if ( matches.Count == 0 )
    {
      return null;
    }

    var list = new List<string>();

    foreach ( var m in matches )
    {
      list.Add( ( m as Match ).Value );
    }

    return list;
  }

  public static string GetMatch( this string value, string regex,  RegexOptions options = RegexOptions.None )
  {
    var matches = Regex.Matches( value, regex, options);

    if ( matches.Count == 0 )
    {
      return null;
    }

    foreach ( var m in matches )
    {
      return ( m as Match ).Value;
    }

    return null;
  }

  public static string ReplaceRegex( this string value, string regex, string replacement, RegexOptions options = RegexOptions.None )
  {
    return value.Replace( new Regex( regex, options ), replacement );
  }

  public static string IncrementEndNumbersIfPresent( this string value, System.Func<string,bool> containsName )
  {
    var endingInts = $"\\d+$";

    while ( containsName( value ) )
    {      

      if ( value.Matches( endingInts ) )
      {
        var number = RegexUtility.ParseInt( value.GetMatch( endingInts ) );

        value = value.ReplaceRegex( endingInts, ( number + 1 ) +  "" );
      }
      else
      {
        value += " 2";
      }
    }

    return value;
  }

  public static List<string> SplitLines( this string source )
  {
    return Regex.Split( source, "\r\n|\r|\n" ).ToList();
  }
}