/*
 *  Created by Phil on 08/11/2010.
 *  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_CONFIG_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_CONFIG_HPP_INCLUDED

#include "catch_test_spec_parser.hpp"
#include "catch_context.h"
#include "catch_interfaces_config.h"
#include "catch_stream.h"

#include <memory>
#include <vector>
#include <string>
#include <stdexcept>

#ifndef CATCH_CONFIG_CONSOLE_WIDTH
#define CATCH_CONFIG_CONSOLE_WIDTH 80
#endif

namespace Catch {

    struct ConfigData {

        ConfigData()
        :   listTests( false ),
            listTags( false ),
            listReporters( false ),
            listTestNamesOnly( false ),
            listExtraInfo( false ),
            showSuccessfulTests( false ),
            shouldDebugBreak( false ),
            noThrow( false ),
            showHelp( false ),
            showInvisibles( false ),
            filenamesAsTags( false ),
            libIdentify( false ),
            abortAfter( -1 ),
            rngSeed( 0 ),
            verbosity( Verbosity::Normal ),
            warnings( WarnAbout::Nothing ),
            showDurations( ShowDurations::DefaultForReporter ),
            runOrder( RunTests::InDeclarationOrder ),
            useColour( UseColour::Auto ),
            waitForKeypress( WaitForKeypress::Never )
        {}

        bool listTests;
        bool listTags;
        bool listReporters;
        bool listTestNamesOnly;
        bool listExtraInfo;

        bool showSuccessfulTests;
        bool shouldDebugBreak;
        bool noThrow;
        bool showHelp;
        bool showInvisibles;
        bool filenamesAsTags;
        bool libIdentify;

        int abortAfter;
        unsigned int rngSeed;

        Verbosity::Level verbosity;
        WarnAbout::What warnings;
        ShowDurations::OrNot showDurations;
        RunTests::InWhatOrder runOrder;
        UseColour::YesOrNo useColour;
        WaitForKeypress::When waitForKeypress;

        std::string outputFilename;
        std::string name;
        std::string processName;

        std::vector<std::string> reporterNames;
        std::vector<std::string> testsOrTags;
        std::vector<std::string> sectionsToRun;
    };


    class Config : public SharedImpl<IConfig> {
    private:
        Config( Config const& other );
        Config& operator = ( Config const& other );
        virtual void dummy();
    public:

        Config()
        {}

        Config( ConfigData const& data )
        :   m_data( data ),
            m_stream( openStream() )
        {
            if( !data.testsOrTags.empty() ) {
                TestSpecParser parser( ITagAliasRegistry::get() );
                for( std::size_t i = 0; i < data.testsOrTags.size(); ++i )
                    parser.parse( data.testsOrTags[i] );
                m_testSpec = parser.testSpec();
            }
        }

        virtual ~Config() {}

        std::string const& getFilename() const {
            return m_data.outputFilename ;
        }

        bool listTests() const { return m_data.listTests; }
        bool listTestNamesOnly() const { return m_data.listTestNamesOnly; }
        bool listTags() const { return m_data.listTags; }
        bool listReporters() const { return m_data.listReporters; }
        bool listExtraInfo() const { return m_data.listExtraInfo; }

        std::string getProcessName() const { return m_data.processName; }

        std::vector<std::string> const& getReporterNames() const { return m_data.reporterNames; }
        std::vector<std::string> const& getSectionsToRun() const CATCH_OVERRIDE { return m_data.sectionsToRun; }

        virtual TestSpec const& testSpec() const CATCH_OVERRIDE { return m_testSpec; }

        bool showHelp() const { return m_data.showHelp; }

        // IConfig interface
        virtual bool allowThrows() const CATCH_OVERRIDE                 { return !m_data.noThrow; }
        virtual std::ostream& stream() const CATCH_OVERRIDE             { return m_stream->stream(); }
        virtual std::string name() const CATCH_OVERRIDE                 { return m_data.name.empty() ? m_data.processName : m_data.name; }
        virtual bool includeSuccessfulResults() const CATCH_OVERRIDE    { return m_data.showSuccessfulTests; }
        virtual bool warnAboutMissingAssertions() const CATCH_OVERRIDE  { return m_data.warnings & WarnAbout::NoAssertions; }
        virtual ShowDurations::OrNot showDurations() const CATCH_OVERRIDE { return m_data.showDurations; }
        virtual RunTests::InWhatOrder runOrder() const CATCH_OVERRIDE   { return m_data.runOrder; }
        virtual unsigned int rngSeed() const CATCH_OVERRIDE             { return m_data.rngSeed; }
        virtual UseColour::YesOrNo useColour() const CATCH_OVERRIDE     { return m_data.useColour; }
        virtual bool shouldDebugBreak() const CATCH_OVERRIDE { return m_data.shouldDebugBreak; }
        virtual int abortAfter() const CATCH_OVERRIDE { return m_data.abortAfter; }
        virtual bool showInvisibles() const CATCH_OVERRIDE { return m_data.showInvisibles; }

    private:

        IStream const* openStream() {
            if( m_data.outputFilename.empty() )
                return new CoutStream();
            else if( m_data.outputFilename[0] == '%' ) {
                if( m_data.outputFilename == "%debug" )
                    return new DebugOutStream();
                else
                    throw std::domain_error( "Unrecognised stream: " + m_data.outputFilename );
            }
            else
                return new FileStream( m_data.outputFilename );
        }
        ConfigData m_data;

        CATCH_AUTO_PTR( IStream const ) m_stream;
        TestSpec m_testSpec;
    };

} // end namespace Catch

#endif // TWOBLUECUBES_CATCH_CONFIG_HPP_INCLUDED