//
// app-wide settings; assumed constant after options have been read in.
//
using System;
using System.Collections;

namespace HsWrap {

public class Config {

  static private bool   m_verbose;
  static private bool   m_withTypeModule;
  static private bool   m_dryRunMode;
  static private bool   m_interactiveMode;
  static private String m_outDir;
  static private System.Collections.ArrayList m_searchDir;
  
  static Config() {
     m_verbose = false;
     m_withTypeModule = true;
     m_dryRunMode = false;
     m_interactiveMode = true;
     m_outDir = "";
     m_searchDir = new System.Collections.ArrayList();
  }

  public static bool Verbose {
    get { return m_verbose; }
    set { m_verbose = value; }
  }

  public static bool WithTypeModule {
    get { return m_withTypeModule; }
    set { m_withTypeModule = value; }
  }

  public static bool DryRunMode {
    get { return m_dryRunMode; }
    set { m_dryRunMode = value; }
  }

  public static bool InteractiveMode {
    get { return m_interactiveMode; }
    set { m_interactiveMode = value; }
  }
  
  public static String OutputDir {
    get { return m_outDir; }
    set { m_outDir = value; }
  }
  
  public static void AddSearchDir(String d) {
     if ( !System.IO.Directory.Exists(d) ) {
       Console.WriteLine("WARNING: search dir {0} doesn't exist (CWD={1}); ignoring",
       		         d, System.IO.Directory.GetCurrentDirectory());
     } else {
       m_searchDir.Add(d);
     }
  }
  
  public static bool FileExists(String f) {
//     Console.WriteLine("IO=> exists? {0}", f);
     if ( System.IO.File.Exists(f) || System.IO.File.Exists(f+".hs") ) {
     	return true;
     }
     foreach(String d in m_searchDir) {
        String fn = d + '\\' + f;
//        Console.WriteLine("IO=> exists? {0}", fn);
        if ( System.IO.File.Exists(fn) || System.IO.File.Exists(f+".hs") ) {
	   return true;
	}
     }
     return false;
  }
};
}