import * as THREE from 'three';

/**
 * Базовый свет сцены (Ambient + Directional)
 */
export function setupLights(scene) {
  const ambient = new THREE.AmbientLight(0xffffff, 1.3);
  scene.add(ambient);

  const key = new THREE.DirectionalLight(0xffffff, 0.8);
  key.position.set(5, 6, 4);
  scene.add(key);

  const fill = new THREE.DirectionalLight(0xffffff, 0.2);
  fill.position.set(-5, 3, -4);
  scene.add(fill);
}

/**
 * Потолочные споты, привязанные к Spot_*
 */
export function setupRoomLights(room) {
  const spotNames = [
    'Spot_001','Spot_002','Spot_003','Spot_004',
    'Spot_005','Spot_006','Spot_007','Spot_008'
  ];

  spotNames.forEach((spotName) => {
    const spotObject = room.getObjectByName(spotName);
    if (!spotObject) {
      console.warn(`Объект не найден: ${spotName}`);
      return;
    }

    // === СПОТ-СВЕТ ===
    const spotLight = new THREE.SpotLight(0xffffff, 5, 80, Math.PI/4, 0.5, 1);
    spotObject.add(spotLight);
    spotLight.position.set(0, 0, 0);

    // === Target по -Z (вниз) ===
    spotObject.add(spotLight.target);
    spotLight.target.position.set(0, 0, -1);
    spotLight.target.updateMatrixWorld(true);

    // === ВИЗУАЛЬНАЯ ТОЧКА ИСТОЧНИКА (сфера) ===
    const bulb = new THREE.Mesh(
      new THREE.SphereGeometry(0.02, 12, 12),
      new THREE.MeshStandardMaterial({
        color: 0xffffff,
        emissive: 0xffffff,
        emissiveIntensity: 2
      })
    );
    bulb.position.set(0, 0, 0);
    spotObject.add(bulb);

    console.log(`Спот корректно создан: ${spotName}`);
  });
}