#if defined(DEBUG) && not defined(RELEASE_BRANCH)
#include <fstream>
#include <iomanip>
#include <filesystem>
#endif

#include <surface_integral.hpp>
#include <chain_process.hpp>
#include <calculate_integral.hpp>

static const std::string subface_type_name[] = {"plane", "sphere", "cylinder", "cone"};

integrator execute_integrand_calculation(uint8_t                             q,
                                         const baked_blobtree_t&             tree,
                                         const std::vector<Eigen::Vector3d>& vertices,
                                         const icurve_relation_graph_t&      icurve_relation_graph)
{
    integrator result{};

    {
        pcurve_relation_graph_t pcurve_relation_graph{};
        map_chain_to_parametric_plane(tree, vertices, icurve_relation_graph, pcurve_relation_graph);
        identify_parametric_chain_valid_side(tree, vertices, icurve_relation_graph, pcurve_relation_graph);
        simplify_parametric_chain(pcurve_relation_graph);
#if defined(DEBUG) && not defined(RELEASE_BRANCH)
        auto path = std::filesystem::current_path().parent_path().parent_path().parent_path().parent_path()
                    / "surface_integral_v2" / "plot";
        const auto& subface_types = tree.subface_types;
        for (auto subface_node : pcurve_relation_graph.nodes<0>()) {
            const auto    subface_index = subface_node.index();
            const auto    subface_type  = subface_types[subface_index];
            std::ofstream file(path / std::string("subface_" + std::to_string(subface_index) + ".txt"));

            for (auto edge_to_chain : subface_node.edges<edge_bidirection::to_prev>()) {
                const auto property = edge_to_chain.property();
                for (const auto& [vertices, _] : property.subchains) {
                    for (const auto& v : vertices)
                        file << std::scientific << std::setprecision(16) << v.x() << " " << v.y() << "\n";
                    file << "\n";
                }
            }

            file.close();

            file.open(path / std::string("subface_" + std::to_string(subface_index) + ".meta"));

            file << subface_type_name[static_cast<uint8_t>(subface_type)] << "\n\n";

            size_t subchain_index_offset{};
            for (auto edge_to_chain : subface_node.edges<edge_bidirection::to_prev>()) {
                const auto property = edge_to_chain.property();
                file << subchain_index_offset << " " << subchain_index_offset + property.subchains.size() << " ";
                file << std::boolalpha << property.double_sided << " " << property.patch_on_pos_side << "\n";
                subchain_index_offset += property.subchains.size();
            }
            file << "\n";

            file.close();
        }
#endif
        calculate_integral(q,
                           tree,
                           pcurve_relation_graph,
                           result.integral_points,
                           result.surface_integral_weights,
                           result.volume_integral_weights);
    }

    return result;
}