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

public static class OpenInFileBrowser
{
	public static bool IsInMacOS
	{
		get
		{
			return SystemInfo.operatingSystem.IndexOf("Mac OS") != -1;
		}
	}
	
	public static bool IsInWinOS
	{
		get
		{
			return SystemInfo.operatingSystem.IndexOf("Windows") != -1;
		}
	}
	
	public static void Test()
	{
		Open(Application.dataPath);
	}
	
	public static void OpenInMac(string path)
	{
		bool openInsidesOfFolder = false;
		
		// try mac
		string macPath = path.Replace("\\", "/"); // mac finder doesn't like backward slashes
		
		if ( System.IO.Directory.Exists(macPath) ) // if path requested is a folder, automatically open insides of that folder
		{
			openInsidesOfFolder = true;
		}
		
		if ( !macPath.StartsWith("\"") )
		{
			macPath = "\"" + macPath;
		}
		
		if ( !macPath.EndsWith("\"") )
		{
			macPath = macPath + "\"";
		}
		
		string arguments = (openInsidesOfFolder ? "" : "-R ") + macPath;
		
		try
		{
			System.Diagnostics.Process.Start("open", arguments);
		}
		catch ( System.ComponentModel.Win32Exception e )
		{
			// tried to open mac finder in windows
			// just silently skip error
			// we currently have no platform define for the current OS we are in, so we resort to this
			e.HelpLink = ""; // do anything with this variable to silence warning about not using it
		}
	}
	
	public static void OpenInWin(string path)
	{
		bool openInsidesOfFolder = false;
		
		// try windows
		string winPath = path.Replace("/", "\\"); // windows explorer doesn't like forward slashes
		
		if ( System.IO.Directory.Exists(winPath) ) // if path requested is a folder, automatically open insides of that folder
		{
			openInsidesOfFolder = true;
		}
		
		try
		{
			System.Diagnostics.Process.Start("explorer.exe", /*(openInsidesOfFolder ? "/root," : "/select,") +*/ winPath);
		}
		catch ( System.ComponentModel.Win32Exception e )
		{
			// tried to open win explorer in mac
			// just silently skip error
			// we currently have no platform define for the current OS we are in, so we resort to this
			e.HelpLink = ""; // do anything with this variable to silence warning about not using it
		}
	}

	//*******************************************************************************************
	
	public static void Open(string path)
	{
		if ( IsInWinOS )
		{
			OpenInWin(path);
		}
		else if ( IsInMacOS )
		{
			OpenInMac(path);
		}
		else // couldn't determine OS
		{
			OpenInWin(path);
			OpenInMac(path);
		}
	}

	//----------------------------------------------------------------
	
	public static void OpenRelative(string fPath)
	{
		Open (Path.GetFullPath (fPath));
	}
}