using UnityEngine;
using System.Collections;
using System.IO;


public class SaveString {
	
	public static void Save( string str, string filename )
	{
		string path = GetDocumentPath( filename );
		FileStream file = new FileStream (path, FileMode.Create, FileAccess.Write);

		StreamWriter sw = new StreamWriter( file );
		sw.WriteLine( str );
		 
		sw.Close();
		file.Close();
	}

	public static string Load( string filename)
	{
		string path = GetDocumentPath( filename );

		if (File.Exists(path))
		{
			FileStream file = new FileStream (path, FileMode.Open, FileAccess.Read);
			StreamReader sr = new StreamReader( file );

			string str = null;
			str = sr.ReadLine ();

			sr.Close();
			file.Close();
			return str;
		}
		else
		{
			return null;
		}
	}

	public static string GetDocumentPath( string filename ) 
	{ 
		if (Application.platform == RuntimePlatform.IPhonePlayer)
		{
			string dataPath = Application.dataPath;
			string path = dataPath.Substring( 0, dataPath.Length - 5 );
			path = path.Substring( 0, path.LastIndexOf( '/' ) );
			return Path.Combine( Path.Combine( path, "Documents" ), filename );
		}
		else if(Application.platform == RuntimePlatform.Android)
		{
			string path = Application.persistentDataPath; 
			path = path.Substring(0, path.LastIndexOf( '/' ) ); 
			return Path.Combine (path, filename);
		} 
		else 
		{
			string path = Application.dataPath; 
			path = path.Substring(0, path.LastIndexOf( '/' ) );
			return Path.Combine (path, filename);
		}
	}
}