#ifndef TUT_REPORTER
#define TUT_REPORTER

#include <tut.h>

/**
 * Template Unit Tests Framework for C++.
 * http://tut.dozen.ru
 *
 * @author dozen, tut@dozen.ru
 */
namespace
{
  std::ostream& operator << (std::ostream& os,const tut::test_result& tr)
  {
    switch(tr.result)
    {
      case tut::test_result::ok: 
      os << '.'; 
      break;

      case tut::test_result::fail: 
      os << '[' << tr.test << "=F]";
      break;

      case tut::test_result::ex_ctor: 
      os << '[' << tr.test << "=C]";
      break;

      case tut::test_result::ex: 
      os << '[' << tr.test << "=X]";
      break;

      case tut::test_result::warn: 
      os << '[' << tr.test << "=W]";
      break;

      case tut::test_result::term: 
      os << '[' << tr.test << "=T]";
      break;
    }

    return os;
  }
}

namespace tut
{
  /**
   * Default TUT callback handler.
   */
  class reporter : public tut::callback
  {
    std::string current_group;
    typedef std::vector<tut::test_result> not_passed_list;
    not_passed_list not_passed;
    std::ostream& os;

    reporter( const reporter & );
    reporter &operator=( const reporter & );

  public:
    int ok_group_count;
    int ok_count;
    int exceptions_count;
    int failures_count;
    int terminations_count;
    int warnings_count;

    reporter() : os(std::cout)
    {
      init();
    }

    reporter(std::ostream& out) : os(out)
    {
      init();
    }

    void run_started()
    {
      init();
    }

    void test_completed(const tut::test_result& tr)
    {
      if( tr.group != current_group )
      {
        os << std::endl << tr.group << ": " << std::flush;
        current_group = tr.group;
      }

      os << tr << std::flush;
      if( tr.result == tut::test_result::ok )
      {
          ok_group_count++;
          ok_count++;
      }
      else if( tr.result == tut::test_result::ex ) exceptions_count++;
      else if( tr.result == tut::test_result::ex_ctor ) exceptions_count++;
      else if( tr.result == tut::test_result::fail ) failures_count++;
      else if( tr.result == tut::test_result::warn ) warnings_count++;
      else terminations_count++;

      if( tr.result != tut::test_result::ok )
      {
        not_passed.push_back(tr);
      }
    }

    void group_started(const std::string& /* name */)
    {
        ok_group_count = 0;
    }

    void group_completed(const std::string& /* name */)
    {
        os << " " << ok_group_count << std::endl;
    }

    void run_completed()
    {
      os << std::endl;

      if( not_passed.size() > 0 )
      {
        not_passed_list::const_iterator i = not_passed.begin();
        while( i != not_passed.end() )
        {
           tut::test_result tr = *i;

           os << std::endl;

           os << "---> " << "group: " << tr.group 
           	<< ", test: test<" << tr.test << ">" 
           	<< (!tr.name.empty() ? (std::string(" : ") + tr.name) : "")
           	<< std::endl;

           os << "     problem: ";
           switch(tr.result)
           {
             case test_result::fail: 
               os << "assertion failed" << std::endl; 
               break;
             case test_result::ex: 
             case test_result::ex_ctor: 
               os << "unexpected exception" << std::endl;
               if( tr.exception_typeid != "" )
               { 
                 os << "     exception typeid: " 
                    << tr.exception_typeid << std::endl;
               }
               break;
             case test_result::term: 
               os << "would be terminated" << std::endl; 
               break;
             case test_result::warn: 
               os << "test passed, but cleanup code (destructor) raised an exception" << std::endl; 
               break;
             default: break;
           }

           if( tr.message != "" )
           {
             if( tr.result == test_result::fail )
             {
               os << "     failed assertion: \"" << tr.message << "\"" << std::endl;
             }
             else
             {
               os << "     message: \"" << tr.message << "\"" << std::endl;
             }
           }

           ++i;
        }
      }

      os << "\nTests summary:\n";
      if( terminations_count > 0 )
          os << " - terminations:" << terminations_count << std::endl;
      if( exceptions_count > 0 )
          os << " - exceptions:" << exceptions_count << std::endl;
      if( failures_count > 0 )
          os << " - failures:" << failures_count << std::endl;
      if( warnings_count > 0 )
          os << " - warnings:" << warnings_count << std::endl;

      os << " - passed: " << ok_count << std::endl;

    }

    bool all_ok() const
    {
      return not_passed.size() == 0;
    }

    private:
    void init()
    {
      ok_count = 0;
      ok_group_count = 0;
      exceptions_count = 0;  
      failures_count = 0;
      terminations_count = 0;
      warnings_count = 0;

      not_passed.clear();
    }    
  };
};

#endif
