// Context Pick Manager - GPU accelerated hover effects
// Smart glow colors based on element type

#include <algorithm>
#include <vector>

#include "fiko/render/context_pick_manager.hpp"
#include "fiko/core/mat/vec.hpp"
#include "fiko/sahne/sahne.hpp"

namespace fiko::render {

ContextPickManager::ContextPickManager(Cekirdek& cekirdek, Sahne& sahne)
    : cekirdek_(cekirdek), sahne_(sahne) {}

void ContextPickManager::setHover(Dugum* dugum, f32 intensity) {
  if (!dugum) return;

  // Get element type directly from scene node (DugumTip zaten kategoriyi tasir)
  const DugumTip tip = dugum->tip;

  // Get context-aware glow color
  const Vec3f color = getGlowColor(tip);

  // Update context data for GPU
  contextData_.hoverPos = {(f32)dugum->donusum.konum.x, (f32)dugum->donusum.konum.y,
                           (f32)dugum->donusum.konum.z, 1.0f};
  contextData_.glowIntensity = std::clamp(intensity, 0.3f, 1.0f);

  // Broadcast to render pipeline
  cekirdek_.olaylar().yayinla(ContextHoverDegisti{
    dugum->kimlik,
    tip,
    color,
    contextData_.glowIntensity
  });
}

void ContextPickManager::updateGlowIntensity(f32 intensity) {
  contextData_.glowIntensity = std::clamp(intensity, 0.0f, 1.0f);
}

Vec3f ContextPickManager::getGlowColor(DugumTip tip) const {
  switch (tip) {
    case DugumTip::Yuzey:
      return Vec3f{0.0f, 0.9f, 1.0f};      // Yuzey (surface) glow - teal cyan
    case DugumTip::Tel:
      return Vec3f{0.0f, 1.0f, 1.0f};      // Tel (wire) glow - cyan
    case DugumTip::Duzlem:
      return Vec3f{0.95f, 0.30f, 0.85f};   // Duzlem (datum plane) glow - purple magenta
    case DugumTip::Eksen:
    case DugumTip::EksenSistemi:
      return Vec3f{1.0f, 0.55f, 0.25f};    // Eksen (axis) glow - orange coral
    case DugumTip::Nokta:
    case DugumTip::Cizgi:
      return Vec3f{0.95f, 0.30f, 0.85f};   // Referans nokta/cizgi - purple magenta
    case DugumTip::Kutu:
    case DugumTip::Silindir:
    case DugumTip::Kure:
    case DugumTip::Koni:
    case DugumTip::Birlesim:
    case DugumTip::Cikarma:
    case DugumTip::Kesisim:
    case DugumTip::Ithal:
      return Vec3f{0.20f, 0.75f, 0.45f};   // Govde (solid body) glow - emerald green
    default:
      return Vec3f{0.2f, 0.2f, 0.2f};      // Fallback: dark gray
  }
}

} // namespace fiko::render