// Boost.Geometry (aka GGL, Generic Geometry Library)

// Copyright (c) 2014, Oracle and/or its affiliates.

// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html

// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle

#ifndef BOOST_GEOMETRY_TEST_INTERSECTION_LINEAR_LINEAR_HPP
#define BOOST_GEOMETRY_TEST_INTERSECTION_LINEAR_LINEAR_HPP

#include "from_wkt.hpp"
#include <boost/geometry/multi/geometries/multi_point.hpp>
#include <boost/geometry/geometry.hpp>
#include "test_set_ops_linear_linear.hpp"
#include "to_svg.hpp"


//==================================================================
//==================================================================
// intersection of (linear) geometries
//==================================================================
//==================================================================

template
<
    typename Geometry1, typename Geometry2,
    typename MultiLineString
>
class test_intersection_of_geometries
{
private:
    static inline void base_test(Geometry1 const& geometry1,
                                 Geometry2 const& geometry2,
                                 MultiLineString const& mls_int1,
                                 MultiLineString const& mls_int2,
                                 std::string const& case_id,
                                 bool test_vector_and_deque = false)
    {
        static bool vector_deque_already_tested = false;

        typedef typename boost::range_value<MultiLineString>::type LineString;
        typedef std::vector<LineString> linestring_vector;
        typedef std::deque<LineString> linestring_deque;

        MultiLineString mls_output;

        linestring_vector ls_vector_output;
        linestring_deque ls_deque_output;

        bg::intersection(geometry1, geometry2, mls_output);

        BOOST_CHECK_MESSAGE( equals::apply(mls_int1, mls_output)
                             || equals::apply(mls_int2, mls_output),
                             "intersection L/L: " << bg::wkt(geometry1)
                             << " " << bg::wkt(geometry2)
                             << " -> Expected: " << bg::wkt(mls_int1)
                             << " or: " << bg::wkt(mls_int2)
                             << " computed: " << bg::wkt(mls_output) );

        set_operation_output("intersection", case_id,
                             geometry1, geometry2, mls_output);
#ifdef BOOST_GEOMETRY_TEST_DEBUG
        std::cout << "Geometry #1: " << bg::wkt(geometry1) << std::endl;
        std::cout << "Geometry #2: " << bg::wkt(geometry2) << std::endl;
        std::cout << "intersection : " << bg::wkt(mls_output) << std::endl;
        std::cout << "expected intersection : " << bg::wkt(mls_int1)
                  << std::endl;
        std::cout << std::endl;
        std::cout << "************************************" << std::endl;
        std::cout << std::endl;
        std::cout << std::endl;
#endif

        if ( !vector_deque_already_tested && test_vector_and_deque )
        {
            vector_deque_already_tested = true;
#ifdef BOOST_GEOMETRY_TEST_DEBUG
            std::cout << std::endl;
            std::cout << "Testing with vector and deque as output container..."
                      << std::endl;
#endif
            bg::intersection(geometry1, geometry2, ls_vector_output);
            bg::intersection(geometry1, geometry2, ls_deque_output);

            BOOST_CHECK(multilinestring_equals<false>::apply(mls_int1,
                                                             ls_vector_output));

            BOOST_CHECK(multilinestring_equals<false>::apply(mls_int1,
                                                             ls_deque_output));

#ifdef BOOST_GEOMETRY_TEST_DEBUG
            std::cout << "Done!" << std::endl << std::endl;
#endif
        }

        // check the intersection where the order of the two
        // geometries is reversed
        bg::clear(mls_output);
        bg::intersection(geometry2, geometry1, mls_output);

        BOOST_CHECK_MESSAGE( equals::apply(mls_int1, mls_output)
                             || equals::apply(mls_int2, mls_output),
                             "intersection L/L: " << bg::wkt(geometry1)
                             << " " << bg::wkt(geometry2)
                             << " -> Expected: " << bg::wkt(mls_int1)
                             << " or: " << bg::wkt(mls_int2)
                             << " computed: " << bg::wkt(mls_output) );

#ifdef BOOST_GEOMETRY_TEST_DEBUG
        std::cout << "Geometry #1: " << bg::wkt(geometry2) << std::endl;
        std::cout << "Geometry #2: " << bg::wkt(geometry1) << std::endl;
        std::cout << "intersection : " << bg::wkt(mls_output) << std::endl;
        std::cout << "expected intersection : " << bg::wkt(mls_int2)
                  << std::endl;
        std::cout << std::endl;
        std::cout << "************************************" << std::endl;
        std::cout << std::endl;
        std::cout << std::endl;
#endif
    }

    static inline void base_test_all(Geometry1 const& geometry1,
                                     Geometry2 const& geometry2)
    {
        //typedef typename boost::range_value<MultiLineString>::type LineString;
        typedef typename bg::point_type<MultiLineString>::type Point;
        typedef bg::model::multi_point<Point> multi_point;

        MultiLineString mls12_output, mls21_output;
        multi_point mp12_output, mp21_output;

        bg::intersection(geometry1, geometry2, mls12_output);
        bg::intersection(geometry1, geometry2, mp12_output);
        bg::intersection(geometry2, geometry1, mls21_output);
        bg::intersection(geometry2, geometry1, mp21_output);

#ifdef BOOST_GEOMETRY_TEST_DEBUG
        std::cout << "************************************" << std::endl;
        std::cout << "Geometry #1: " << bg::wkt(geometry1) << std::endl;
        std::cout << "Geometry #2: " << bg::wkt(geometry2) << std::endl;
        std::cout << "intersection(1,2) [MLS]: " << bg::wkt(mls12_output)
                  << std::endl;
        std::cout << "intersection(2,1) [MLS]: " << bg::wkt(mls21_output)
                  << std::endl;
        std::cout << std::endl;
        std::cout << "intersection(1,2) [MP]: " << bg::wkt(mp12_output)
                  << std::endl;
        std::cout << "intersection(2,1) [MP]: " << bg::wkt(mp21_output)
                  << std::endl;
        std::cout << std::endl;
        std::cout << "************************************" << std::endl;
        std::cout << std::endl;
        std::cout << std::endl;
#endif
    }


public:
    static inline void apply(Geometry1 const& geometry1,
                             Geometry2 const& geometry2,
                             MultiLineString const& mls_int1,
                             MultiLineString const& mls_int2,
                             std::string const& case_id)
    {
#ifdef BOOST_GEOMETRY_TEST_DEBUG
        std::cout << "test case: " << case_id << std::endl;
        std::stringstream sstr;
        sstr << "svgs/" << case_id << ".svg";
#ifdef TEST_WITH_SVG
        to_svg(geometry1, geometry2, sstr.str());
#endif
#endif

        Geometry1 rg1(geometry1);
        bg::reverse<Geometry1>(rg1);

        Geometry2 rg2(geometry2);
        bg::reverse<Geometry2>(rg2);

        test_get_turns_ll_invariance<>::apply(geometry1, geometry2);
#ifdef BOOST_GEOMETRY_TEST_DEBUG
        std::cout << std::endl
                  << "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%"
                  << std::endl << std::endl;
#endif
        test_get_turns_ll_invariance<>::apply(rg1, geometry2);


        base_test(geometry1, geometry2, mls_int1, mls_int2, case_id);
        //        base_test(rg1, rg2, mls_int1, mls_int2);
        base_test_all(geometry1, geometry2);

#ifdef BOOST_GEOMETRY_TEST_DEBUG
        std::cout << std::endl;
        std::cout << std::endl;
#endif
    }



    static inline void apply(Geometry1 const& geometry1,
                             Geometry2 const& geometry2,
                             MultiLineString const& mls_int,
                             std::string const& case_id)
    {
        apply(geometry1, geometry2, mls_int, mls_int, case_id);
    }
};


#endif // BOOST_GEOMETRY_TEST_INTERSECTION_LINEAR_LINEAR_HPP