/*
 *  Created by Phil on 28/10/2010.
 *  Copyright 2010 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_REPORTER_XML_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_REPORTER_XML_HPP_INCLUDED

#include "catch_reporter_bases.hpp"

#include "../internal/catch_capture.hpp"
#include "../internal/catch_reporter_registrars.hpp"
#include "../internal/catch_xmlwriter.hpp"
#include "../internal/catch_timer.h"

namespace Catch {
    class XmlReporter : public StreamingReporterBase {
    public:
        XmlReporter( ReporterConfig const& _config )
        :   StreamingReporterBase( _config ),
            m_sectionDepth( 0 )
        {}

        virtual ~XmlReporter();
        
        static std::string getDescription() {
            return "Reports test results as an XML document";
        }

    public: // StreamingReporterBase
        virtual ReporterPreferences getPreferences() const {
            ReporterPreferences prefs;
            prefs.shouldRedirectStdOut = true;
            return prefs;
        }

        virtual void noMatchingTestCases( std::string const& s ) {
            StreamingReporterBase::noMatchingTestCases( s );
        }

        virtual void testRunStarting( TestRunInfo const& testInfo ) {
            StreamingReporterBase::testRunStarting( testInfo );
            m_xml.setStream( stream );
            m_xml.startElement( "Catch" );
            if( !m_config->name().empty() )
                m_xml.writeAttribute( "name", m_config->name() );
        }

        virtual void testGroupStarting( GroupInfo const& groupInfo ) {
            StreamingReporterBase::testGroupStarting( groupInfo );
            m_xml.startElement( "Group" )
                .writeAttribute( "name", groupInfo.name );
        }

        virtual void testCaseStarting( TestCaseInfo const& testInfo ) {
            StreamingReporterBase::testCaseStarting(testInfo);
            m_xml.startElement( "TestCase" ).writeAttribute( "name", trim( testInfo.name ) );

            if ( m_config->showDurations() == ShowDurations::Always )
                m_testCaseTimer.start();
        }

        virtual void sectionStarting( SectionInfo const& sectionInfo ) {
            StreamingReporterBase::sectionStarting( sectionInfo );
            if( m_sectionDepth++ > 0 ) {
                m_xml.startElement( "Section" )
                    .writeAttribute( "name", trim( sectionInfo.name ) )
                    .writeAttribute( "description", sectionInfo.description );
            }
        }

        virtual void assertionStarting( AssertionInfo const& ) { }

        virtual bool assertionEnded( AssertionStats const& assertionStats ) {
            const AssertionResult& assertionResult = assertionStats.assertionResult;
                
            // Print any info messages in <Info> tags.
            if( assertionStats.assertionResult.getResultType() != ResultWas::Ok ) {
                for( std::vector<MessageInfo>::const_iterator it = assertionStats.infoMessages.begin(), itEnd = assertionStats.infoMessages.end();
                        it != itEnd;
                        ++it ) {
                    if( it->type == ResultWas::Info ) {
                        m_xml.scopedElement( "Info" )
                            .writeText( it->message );
                    } else if ( it->type == ResultWas::Warning ) {
                        m_xml.scopedElement( "Warning" )
                            .writeText( it->message );
                    }
                }
            }

            // Drop out if result was successful but we're not printing them.
            if( !m_config->includeSuccessfulResults() && isOk(assertionResult.getResultType()) )
                return true;

            // Print the expression if there is one.
            if( assertionResult.hasExpression() ) {
                m_xml.startElement( "Expression" )
                    .writeAttribute( "success", assertionResult.succeeded() )
					.writeAttribute( "type", assertionResult.getTestMacroName() )
                    .writeAttribute( "filename", assertionResult.getSourceInfo().file )
                    .writeAttribute( "line", assertionResult.getSourceInfo().line );

                m_xml.scopedElement( "Original" )
                    .writeText( assertionResult.getExpression() );
                m_xml.scopedElement( "Expanded" )
                    .writeText( assertionResult.getExpandedExpression() );
            }

            // And... Print a result applicable to each result type.
            switch( assertionResult.getResultType() ) {
                default:
                    break;
                case ResultWas::ThrewException:
                    m_xml.scopedElement( "Exception" )
                        .writeAttribute( "filename", assertionResult.getSourceInfo().file )
                        .writeAttribute( "line", assertionResult.getSourceInfo().line )
                        .writeText( assertionResult.getMessage() );
                    break;
                case ResultWas::FatalErrorCondition:
                    m_xml.scopedElement( "Fatal Error Condition" )
                        .writeAttribute( "filename", assertionResult.getSourceInfo().file )
                        .writeAttribute( "line", assertionResult.getSourceInfo().line )
                        .writeText( assertionResult.getMessage() );
                    break;
                case ResultWas::Info:
                    m_xml.scopedElement( "Info" )
                        .writeText( assertionResult.getMessage() );
                    break;
                case ResultWas::Warning:
                    m_xml.scopedElement( "Warning" )
                        .writeText( assertionResult.getMessage() );
                    break;
                case ResultWas::ExplicitFailure:
                    m_xml.scopedElement( "Failure" )
                        .writeText( assertionResult.getMessage() );
                    break;
            }
            
            if( assertionResult.hasExpression() )
                m_xml.endElement();
                
            return true;
        }

        virtual void sectionEnded( SectionStats const& sectionStats ) {
            StreamingReporterBase::sectionEnded( sectionStats );
            if( --m_sectionDepth > 0 ) {
                XmlWriter::ScopedElement e = m_xml.scopedElement( "OverallResults" );
                e.writeAttribute( "successes", sectionStats.assertions.passed );
                e.writeAttribute( "failures", sectionStats.assertions.failed );
                e.writeAttribute( "expectedFailures", sectionStats.assertions.failedButOk );

                if ( m_config->showDurations() == ShowDurations::Always )
                    e.writeAttribute( "durationInSeconds", sectionStats.durationInSeconds );

                m_xml.endElement();
            }
        }

        virtual void testCaseEnded( TestCaseStats const& testCaseStats ) {
            StreamingReporterBase::testCaseEnded( testCaseStats );
            XmlWriter::ScopedElement e = m_xml.scopedElement( "OverallResult" );
            e.writeAttribute( "success", testCaseStats.totals.assertions.allPassed() );

            if ( m_config->showDurations() == ShowDurations::Always )
                e.writeAttribute( "durationInSeconds", m_testCaseTimer.getElapsedSeconds() );

            m_xml.endElement();
        }

        virtual void testGroupEnded( TestGroupStats const& testGroupStats ) {
            StreamingReporterBase::testGroupEnded( testGroupStats );
            // TODO: Check testGroupStats.aborting and act accordingly.
            m_xml.scopedElement( "OverallResults" )
                .writeAttribute( "successes", testGroupStats.totals.assertions.passed )
                .writeAttribute( "failures", testGroupStats.totals.assertions.failed )
                .writeAttribute( "expectedFailures", testGroupStats.totals.assertions.failedButOk );
            m_xml.endElement();
        }
        
        virtual void testRunEnded( TestRunStats const& testRunStats ) {
            StreamingReporterBase::testRunEnded( testRunStats );
            m_xml.scopedElement( "OverallResults" )
                .writeAttribute( "successes", testRunStats.totals.assertions.passed )
                .writeAttribute( "failures", testRunStats.totals.assertions.failed )
                .writeAttribute( "expectedFailures", testRunStats.totals.assertions.failedButOk );
            m_xml.endElement();
        }

    private:
        Timer m_testCaseTimer;
        XmlWriter m_xml;
        int m_sectionDepth;
    };

     INTERNAL_CATCH_REGISTER_REPORTER( "xml", XmlReporter )

} // end namespace Catch

#endif // TWOBLUECUBES_CATCH_REPORTER_XML_HPP_INCLUDED