/**
 * Bucket — Codels 3D model library
 * License: CC0-1.0 · Units: meters · Y-up · Front: +Z · Origin: center of the base (y = 0)
 * Triangles: 808 · Size (W × H × D): 0.32 × 0.45 × 0.31 m
 *
 * Usage:
 *   import { createBucket } from './bucket.js';
 *   
 *   const model = createBucket();
 *   model.position.set(0, 0, 0);
 *   scene.add(model);
 */
import * as THREE from 'three';

const deg = THREE.MathUtils.degToRad;

// Revolve a 2D profile [[radius, y], ...] around the Y axis.
function lathe(points, segments, phiStart = 0, phiLength = Math.PI * 2) {
  return new THREE.LatheGeometry(points.map(([x, y]) => new THREE.Vector2(x, y)), segments, phiStart, phiLength);
}

// Tube along a smooth curve through the given points.
function tube(path, radius, tubularSegments, radialSegments, closed = false) {
  const curve = new THREE.CatmullRomCurve3(path.map(([x, y, z]) => new THREE.Vector3(x, y, z)), closed);
  return new THREE.TubeGeometry(curve, tubularSegments, radius, radialSegments, closed);
}

export function createBucket() {
  const root = new THREE.Group();
  root.name = 'Bucket';

  // Materials
  const metalMat = new THREE.MeshStandardMaterial({ name: 'metal', color: 0xa3abb3, roughness: 0.4, metalness: 0.6, flatShading: true });
  const metalDarkMat = new THREE.MeshStandardMaterial({ name: 'metalDark', color: 0x72787d, roughness: 0.5, metalness: 0.5, flatShading: true });
  const woodMat = new THREE.MeshStandardMaterial({ name: 'wood', color: 0xa8743f, roughness: 0.85, flatShading: true });
  const waterMat = new THREE.MeshStandardMaterial({ name: 'water', color: 0x3f86b8, roughness: 0.12, metalness: 0.1 });
  const rippleMat = new THREE.MeshStandardMaterial({ name: 'ripple', color: 0x8cc3e6, roughness: 0.2, flatShading: true });

  // Shared geometries
  const boxGeo = new THREE.BoxGeometry(0.008, 0.06, 0.045);
  const cylinderGeo = new THREE.CylinderGeometry(0.008, 0.008, 0.01, 6);

  // Parts
  const body = new THREE.Mesh(lathe([[0, 0], [0.115, 0], [0.12, 0.008], [0.15, 0.3], [0.143, 0.3]], 16), metalMat);
  body.name = 'body';
  root.add(body);
  const interior = new THREE.Mesh(lathe([[0.143, 0.3], [0.114, 0.01], [0, 0.01]], 16), metalDarkMat);
  interior.name = 'interior';
  root.add(interior);
  const rolledRim = new THREE.Mesh(new THREE.TorusGeometry(0.1485, 0.0075, 4, 16), metalMat);
  rolledRim.name = 'rolledRim';
  rolledRim.position.set(0, 0.3, 0);
  rolledRim.rotation.set(deg(90), 0, 0);
  root.add(rolledRim);
  const rib = new THREE.Mesh(lathe([[0.1255, 0.075], [0.1315, 0.075], [0.1327, 0.087], [0.1267, 0.087]], 16), metalDarkMat);
  rib.name = 'rib';
  root.add(rib);
  const rib2 = new THREE.Mesh(lathe([[0.1385, 0.205], [0.1445, 0.205], [0.1457, 0.217], [0.1397, 0.217]], 16), metalDarkMat);
  rib2.name = 'rib';
  root.add(rib2);
  const ear = new THREE.Mesh(boxGeo, metalMat);
  ear.name = 'ear';
  ear.position.set(0.1492, 0.262, 0);
  root.add(ear);
  const rivet = new THREE.Mesh(cylinderGeo, metalDarkMat);
  rivet.name = 'rivet';
  rivet.position.set(0.1542, 0.262, 0);
  rivet.rotation.set(0, 0, deg(90));
  root.add(rivet);
  const ear2 = new THREE.Mesh(boxGeo, metalMat);
  ear2.name = 'ear';
  ear2.position.set(-0.1492, 0.262, 0);
  root.add(ear2);
  const rivet2 = new THREE.Mesh(cylinderGeo, metalDarkMat);
  rivet2.name = 'rivet';
  rivet2.position.set(-0.1542, 0.262, 0);
  rivet2.rotation.set(0, 0, deg(90));
  root.add(rivet2);
  const water = new THREE.Mesh(new THREE.CircleGeometry(0.1372, 16), waterMat);
  water.name = 'water';
  water.position.set(0, 0.222, 0);
  water.rotation.set(deg(-90), 0, 0);
  root.add(water);
  const ripple = new THREE.Mesh(new THREE.RingGeometry(0.035, 0.041, 12), rippleMat);
  ripple.name = 'ripple';
  ripple.position.set(0.03, 0.223, 0.02);
  ripple.rotation.set(deg(-90), 0, 0);
  root.add(ripple);
  const ripple2 = new THREE.Mesh(new THREE.RingGeometry(0.02, 0.026, 12), rippleMat);
  ripple2.name = 'ripple';
  ripple2.position.set(-0.05, 0.223, -0.03);
  ripple2.rotation.set(deg(-90), 0, 0);
  root.add(ripple2);
  const handle = new THREE.Group();
  handle.name = 'handle';
  handle.position.set(0, 0.262, 0);
  root.add(handle);
  const bail = new THREE.Mesh(tube([[-0.1582, 0, 0], [-0.1424, 0.0884, 0], [-0.0823, 0.153, 0], [0, 0.17, 0], [0.0823, 0.153, 0], [0.1424, 0.0884, 0], [0.1582, 0, 0]], 0.0035, 16, 4), metalDarkMat);
  bail.name = 'bail';
  handle.add(bail);
  const grip = new THREE.Mesh(new THREE.CylinderGeometry(0.014, 0.014, 0.1, 8), woodMat);
  grip.name = 'grip';
  grip.position.set(0, 0.17, 0);
  grip.rotation.set(0, 0, deg(90));
  handle.add(grip);

  root.traverse((o) => {
    if (o.isMesh) {
      o.castShadow = true;
      o.receiveShadow = true;
    }
  });
  return root;
}

export default createBucket;