#include "CentralScene.hpp"

#include <vtkActor.h>
#include <vtkRenderWindow.h>
#include <vtkRenderer.h>

#include "CameraPreset.hpp"
#include "Scene.hpp"
#include "Theme.hpp"
#include "actors/CurtainActor.hpp"
#include "actors/MapLineActor.hpp"
#include "geo/GeoLocalFrame.hpp"

namespace geopro::app {

void rebuildCentralScene(geopro::render::Scene& scene, vtkRenderer* renderer,
                         vtkRenderWindow* renderWindow, ViewMode mode,
                         const std::vector<SectionInput>& sections, bool showCurtain,
                         const geopro::core::GeoLocalFrame& frame, double verticalExaggeration) {
    scene.clear();
    const bool is2D = (mode == ViewMode::Map2D);
    (void)is2D;
    // 背景永远深色（规范§0.5 视图区常深，不随明暗切换），让色阶数据更突出。
    double bgR, bgG, bgB;
    geopro::app::vtkBackground(bgR, bgG, bgB);
    renderer->SetBackground(bgR, bgG, bgB);

    for (const auto& s : sections) {
        if (is2D) {
            auto line = geopro::render::buildSurveyLine(s.grid, frame);
            if (line) scene.addActor(line);
        } else if (showCurtain) {
            auto curtain = geopro::render::buildCurtain(s.grid, s.colorScale, frame);
            if (curtain) {
                curtain->SetScale(1.0, 1.0, verticalExaggeration);  // 纵向夸张成墙
                scene.addActor(curtain);
            }
        }
    }

    if (is2D)
        geopro::render::applyTop2D(renderer);
    else
        geopro::render::applyFree3D(renderer);
    renderer->ResetCamera();
    renderWindow->Render();
}

}  // namespace geopro::app