/*
 *  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.h"
#include "catch_context.h"
#include "catch_interfaces_config.h"
#include "catch_stream.hpp"

#include <memory>
#include <vector>
#include <string>
#include <iostream>

#ifndef CATCH_CONFIG_CONSOLE_WIDTH
#define CATCH_CONFIG_CONSOLE_WIDTH 80
#endif

namespace Catch {
    
    struct ConfigData {

        struct Verbosity { enum Level {
            NoOutput = 0,
            Quiet,
            Normal
        }; };

        struct WarnAbout { enum What {
            Nothing = 0x00,
            NoAssertions = 0x01
        }; };

        ConfigData()
        :   listTests( false ),
            listTags( false ),
            listReporters( false ),
            showSuccessfulTests( false ),
            shouldDebugBreak( false ),
            noThrow( false ),
            showHelp( false ),
            showTimings( false ),
            timingsThreshold( 0.0 ),
            abortAfter( -1 ),
            verbosity( Verbosity::Normal ),
            warnings( WarnAbout::Nothing )
        {}
        
        bool listTests;
        bool listTags;
        bool listReporters;

        bool showSuccessfulTests;
        bool shouldDebugBreak;
        bool noThrow;
        bool showHelp;

        bool showTimings;
        double timingsThreshold;

        int abortAfter;

        Verbosity::Level verbosity;
        WarnAbout::What warnings;

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

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

        Config()
        :   m_os( std::cout.rdbuf() )
        {}
        
        Config( ConfigData const& data )
        :   m_data( data ),
            m_os( std::cout.rdbuf() )
        {
            if( !data.testsOrTags.empty() ) {
                std::string groupName;
                for( std::size_t i = 0; i < data.testsOrTags.size(); ++i ) {
                    if( i != 0 )
                        groupName += " ";
                    groupName += data.testsOrTags[i];
                }
                TestCaseFilters filters( groupName );
                for( std::size_t i = 0; i < data.testsOrTags.size(); ++i ) {
                    std::string filter = data.testsOrTags[i];
                    if( startsWith( filter, "[" ) || startsWith( filter, "~[" ) )
                        filters.addTags( filter );
                    else
                        filters.addFilter( TestCaseFilter( filter ) );
                }
                m_filterSets.push_back( filters );
            }
        }
        
        virtual ~Config() {
            m_os.rdbuf( std::cout.rdbuf() );
            m_stream.release();
        }
        
        void setFilename( std::string const& filename ) {
            m_data.outputFilename = filename;
        }
        
        std::string const& getFilename() const {
            return m_data.outputFilename ;
        }
        
        bool listTests() const { return m_data.listTests; }
        bool listTags() const { return m_data.listTags; }
        bool listReporters() const { return m_data.listReporters; }
        
        std::string getProcessName() const {
            return m_data.processName;
        }

        bool shouldDebugBreak() const {
            return m_data.shouldDebugBreak;
        }
        
        void setStreamBuf( std::streambuf* buf ) {
            m_os.rdbuf( buf ? buf : std::cout.rdbuf() );
        }        

        void useStream( std::string const& streamName ) {
            Stream stream = createStream( streamName );
            setStreamBuf( stream.streamBuf );
            m_stream.release();
            m_stream = stream;
        }
        
        std::string getReporterName() const { return m_data.reporterName; }

        void addTestSpec( std::string const& testSpec ) {
            TestCaseFilters filters( testSpec );
            filters.addFilter( TestCaseFilter( testSpec ) );
            m_filterSets.push_back( filters );
        }

        int abortAfter() const {
            return m_data.abortAfter;
        }
        
        std::vector<TestCaseFilters> const& filters() const {
            return m_filterSets;
        }
        
        bool showHelp() const { return m_data.showHelp; }

        // IConfig interface
        virtual bool allowThrows() const        { return !m_data.noThrow; }
        virtual std::ostream& stream() const    { return m_os; }
        virtual std::string name() const        { return m_data.name.empty() ? m_data.processName : m_data.name; }
        virtual bool includeSuccessfulResults() const   { return m_data.showSuccessfulTests; }
        virtual bool warnAboutMissingAssertions() const { return m_data.warnings & ConfigData::WarnAbout::NoAssertions; }
        virtual bool showTimings() const        { return m_data.showTimings; }
        virtual double timingsThreshold() const { return m_data.timingsThreshold; }
    private:
        ConfigData m_data;
        
        Stream m_stream;
        mutable std::ostream m_os;
        std::vector<TestCaseFilters> m_filterSets;
    };
        
    
} // end namespace Catch

#endif // TWOBLUECUBES_CATCH_CONFIG_HPP_INCLUDED