/*  
 *  Created by Phil Nash on 4/5/2012
 *  Copyright 2012 Two Blue Cubes Ltd. All rights reserved.
 *
 *  Distributed under the Boost Software License, Version 1.0. (See accompanying
 *  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 */
#ifndef TWOBLUECUBES_CATCH_RUNNING_TEST_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_RUNNING_TEST_HPP_INCLUDED

#include "catch_test_case_info.h"
#include "catch_section_info.hpp"

namespace Catch {

    class RunningTest {
    
        enum RunStatus {
            NothingRun,
            EncounteredASection,
            RanAtLeastOneSection,
            RanToCompletionWithSections,
            RanToCompletionWithNoSections
        };
        
    public:
        explicit RunningTest( TestCase const& info )
        :   m_info( info ),
            m_runStatus( RanAtLeastOneSection ),
            m_rootSection( info.getTestCaseInfo().name ),
            m_currentSection( &m_rootSection ),
            m_changed( false )
        {}
        
        bool wasSectionSeen() const {
            return  m_runStatus == RanAtLeastOneSection || 
                    m_runStatus == RanToCompletionWithSections;
        }
        
        bool isBranchSection() const {
            return  m_currentSection &&
                    m_currentSection->isBranch();
        }

        bool hasSections() const {
            return  m_runStatus == RanAtLeastOneSection ||
                    m_runStatus == RanToCompletionWithSections ||
                    m_runStatus == EncounteredASection;
        }

        void reset() {
            m_runStatus = NothingRun;
            m_changed = false;
            m_lastSectionToRun = NULL;
        }
        
        void ranToCompletion() {
            if( m_runStatus != RanAtLeastOneSection && m_runStatus != EncounteredASection )
                m_runStatus = RanToCompletionWithNoSections;
            m_runStatus = RanToCompletionWithSections;
            if( m_lastSectionToRun ) {
                m_lastSectionToRun->ranToCompletion();
                m_changed = true;
            }
        }
        
        bool addSection( std::string const& name ) {
            if( m_runStatus == NothingRun )
                m_runStatus = EncounteredASection;
            
            RunningSection* thisSection = m_currentSection->findOrAddSubSection( name, m_changed );

            if( !wasSectionSeen() && thisSection->shouldRun() ) {
                m_currentSection = thisSection;
                m_lastSectionToRun = NULL;
                return true;
            }
            return false;
        }
        
        void endSection( std::string const&, bool stealth ) {
            if( m_currentSection->ran() ) {
                if( !stealth )
                    m_runStatus = RanAtLeastOneSection;
                m_changed = true;
            }
            else if( m_runStatus == EncounteredASection ) {
                if( !stealth )
                    m_runStatus = RanAtLeastOneSection;
                m_lastSectionToRun = m_currentSection;
            }
            m_currentSection = m_currentSection->getParent();
        }
        
        TestCase const& getTestCase() const {
            return m_info;
        }

        bool hasUntestedSections() const {
            return  m_runStatus == RanAtLeastOneSection ||
                    ( m_rootSection.hasUntestedSections() && m_changed );
        }
        
    private:
		RunningTest( RunningTest const& );
		void operator=( RunningTest const& );

        TestCase const& m_info;
        RunStatus m_runStatus;
        RunningSection m_rootSection;
        RunningSection* m_currentSection;
        RunningSection* m_lastSectionToRun;
        bool m_changed;
    };
}

#endif // TWOBLUECUBES_CATCH_RUNNING_TEST_HPP_INCLUDED