/*
 *  Created by Phil on 14/8/2012.
 *  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_TEST_SPEC_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_TEST_SPEC_HPP_INCLUDED

#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wpadded"
#endif

#include "catch_wildcard_pattern.hpp"
#include "catch_test_case_info.h"

#include <string>
#include <vector>

namespace Catch {

    class TestSpec {
        struct Pattern {
            virtual ~Pattern();
            virtual bool matches( TestCaseInfo const& testCase ) const = 0;
        };
        using PatternPtr = std::shared_ptr<Pattern>;

        class NamePattern : public Pattern {
        public:
            NamePattern( std::string const& name )
            : m_wildcardPattern( toLower( name ), CaseSensitive::No )
            {}
            virtual ~NamePattern();
            virtual bool matches( TestCaseInfo const& testCase ) const {
                return m_wildcardPattern.matches( toLower( testCase.name ) );
            }
        private:
            WildcardPattern m_wildcardPattern;
        };

        class TagPattern : public Pattern {
        public:
            TagPattern( std::string const& tag ) : m_tag( toLower( tag ) ) {}
            virtual ~TagPattern();
            virtual bool matches( TestCaseInfo const& testCase ) const {
                return testCase.lcaseTags.find( m_tag ) != testCase.lcaseTags.end();
            }
        private:
            std::string m_tag;
        };

        class ExcludedPattern : public Pattern {
        public:
            ExcludedPattern( PatternPtr const& underlyingPattern ) : m_underlyingPattern( underlyingPattern ) {}
            virtual ~ExcludedPattern();
            virtual bool matches( TestCaseInfo const& testCase ) const { return !m_underlyingPattern->matches( testCase ); }
        private:
            PatternPtr m_underlyingPattern;
        };

        struct Filter {
            std::vector<PatternPtr> m_patterns;

            bool matches( TestCaseInfo const& testCase ) const {
                // All patterns in a filter must match for the filter to be a match
                for( auto const& pattern : m_patterns ) {
                    if( !pattern->matches( testCase ) )
                        return false;
                }
                return true;
            }
        };

    public:
        bool hasFilters() const {
            return !m_filters.empty();
        }
        bool matches( TestCaseInfo const& testCase ) const {
            // A TestSpec matches if any filter matches
            for( auto const& filter : m_filters )
                if( filter.matches( testCase ) )
                    return true;
            return false;
        }

    private:
        std::vector<Filter> m_filters;

        friend class TestSpecParser;
    };
}

#ifdef __clang__
#pragma clang diagnostic pop
#endif

#endif // TWOBLUECUBES_CATCH_TEST_SPEC_HPP_INCLUDED