/**
 * Teapot — Codels 3D model library
 * License: CC0-1.0 · Units: meters · Y-up · Front: +Z · Origin: center of the base (y = 0)
 * Triangles: 1,520 · Size (W × H × D): 0.27 × 0.16 × 0.16 m
 *
 * Usage:
 *   import { createTeaPot } from './tea-pot.js';
 *   
 *   const model = createTeaPot();
 *   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);
}

export function createTeaPot() {
  const root = new THREE.Group();
  root.name = 'TeaPot';

  // Materials
  const glazeMat = new THREE.MeshStandardMaterial({ name: 'glaze', color: 0x5aa39a, roughness: 0.25 });
  const accentMat = new THREE.MeshStandardMaterial({ name: 'accent', color: 0xf4ead6, roughness: 0.3 });
  const footMat = new THREE.MeshStandardMaterial({ name: 'foot', color: 0x447a74, roughness: 0.4, flatShading: true });

  // Shared geometries
  const circleGeo = new THREE.CircleGeometry(0.0075, 8);

  // Parts
  const body = new THREE.Mesh(lathe([[0, 0.004], [0.04, 0.004], [0.044, 0], [0.05, 0.002], [0.054, 0.008], [0.068, 0.024], [0.077, 0.045], [0.079, 0.064], [0.074, 0.084], [0.062, 0.101], [0.046, 0.112], [0.041, 0.116], [0.04, 0.12]], 16), glazeMat);
  body.name = 'body';
  root.add(body);
  const footRing = new THREE.Mesh(lathe([[0.04, 0], [0.051, 0], [0.054, 0.008], [0.05, 0.009], [0.04, 0.006]], 16), footMat);
  footRing.name = 'footRing';
  root.add(footRing);
  const bellyBand = new THREE.Mesh(lathe([[0.0755, 0.059], [0.08, 0.059], [0.0793, 0.069], [0.0748, 0.069]], 16), accentMat);
  bellyBand.name = 'bellyBand';
  root.add(bellyBand);
  const shoulderBand = new THREE.Mesh(lathe([[0.0625, 0.096], [0.067, 0.096], [0.0642, 0.1], [0.0597, 0.1]], 16), accentMat);
  shoulderBand.name = 'shoulderBand';
  root.add(shoulderBand);
  const dot11 = new THREE.Mesh(circleGeo, accentMat);
  dot11.name = 'dot1_1';
  dot11.position.set(0.0153, 0.0415, 0.0753);
  dot11.rotation.set(deg(23.6192), deg(10.5216), deg(-2.2058));
  root.add(dot11);
  const dot12 = new THREE.Mesh(circleGeo, accentMat);
  dot12.name = 'dot1_2';
  dot12.position.set(0.0601, 0.0415, 0.0479);
  dot12.rotation.set(deg(34.5216), deg(45.9656), deg(-15.0144));
  root.add(dot12);
  const dot14 = new THREE.Mesh(circleGeo, accentMat);
  dot14.name = 'dot1_4';
  dot14.position.set(0.0576, 0.0415, -0.0509);
  dot14.rotation.set(deg(147.0848), deg(43.5378), deg(-107.0165));
  root.add(dot14);
  const dot15 = new THREE.Mesh(circleGeo, accentMat);
  dot15.name = 'dot1_5';
  dot15.position.set(0.0114, 0.0415, -0.076);
  dot15.rotation.set(deg(156.5692), deg(7.8457), deg(-36.5964));
  root.add(dot15);
  const dot16 = new THREE.Mesh(circleGeo, accentMat);
  dot16.name = 'dot1_6';
  dot16.position.set(-0.0401, 0.0415, -0.0655);
  dot16.rotation.set(deg(153.3241), deg(-28.6654), deg(94.2818));
  root.add(dot16);
  const dot19 = new THREE.Mesh(circleGeo, accentMat);
  dot19.name = 'dot1_9';
  dot19.position.set(-0.0367, 0.0415, 0.0675);
  dot19.rotation.set(deg(26.0058), deg(-26.0499), deg(6.1155));
  root.add(dot19);
  const dot21 = new THREE.Mesh(circleGeo, accentMat);
  dot21.name = 'dot2_1';
  dot21.position.set(0.0395, 0.0823, 0.0645);
  dot21.rotation.set(deg(-16.3348), deg(30.4182), deg(4.4689));
  root.add(dot21);
  const dot24 = new THREE.Mesh(circleGeo, accentMat);
  dot24.name = 'dot2_4';
  dot24.position.set(0.0362, 0.0823, -0.0665);
  dot24.rotation.set(deg(-164.1145), deg(27.6145), deg(120.8309));
  root.add(dot24);
  const dot25 = new THREE.Mesh(circleGeo, accentMat);
  dot25.name = 'dot2_5';
  dot25.position.set(-0.015, 0.0823, -0.0742);
  dot25.rotation.set(deg(-165.6899), deg(-11.1126), deg(-75.5474));
  root.add(dot25);
  const dot26 = new THREE.Mesh(circleGeo, accentMat);
  dot26.name = 'dot2_6';
  dot26.position.set(-0.0592, 0.0823, -0.0471);
  dot26.rotation.set(deg(-158.1375), deg(-49.3595), deg(-134.4062));
  root.add(dot26);
  const dot28 = new THREE.Mesh(circleGeo, accentMat);
  dot28.name = 'dot2_8';
  dot28.position.set(-0.0567, 0.0823, 0.0501);
  dot28.rotation.set(deg(-20.6863), deg(-46.6398), deg(-8.997));
  root.add(dot28);
  const dot29 = new THREE.Mesh(circleGeo, accentMat);
  dot29.name = 'dot2_9';
  dot29.position.set(-0.0112, 0.0823, 0.0748);
  dot29.rotation.set(deg(-14.1873), deg(-8.284), deg(-1.0327));
  root.add(dot29);
  const lid = new THREE.Mesh(lathe([[0.034, 0.118], [0.046, 0.119], [0.047, 0.123], [0.04, 0.128], [0.026, 0.135], [0.01, 0.138], [0, 0.1385]], 16), glazeMat);
  lid.name = 'lid';
  root.add(lid);
  const lidRim = new THREE.Mesh(new THREE.TorusGeometry(0.045, 0.0028, 3, 16), accentMat);
  lidRim.name = 'lidRim';
  lidRim.position.set(0, 0.1215, 0);
  lidRim.rotation.set(deg(90), 0, 0);
  root.add(lidRim);
  const knobStem = new THREE.Mesh(new THREE.CylinderGeometry(0.006, 0.009, 0.008, 8), glazeMat);
  knobStem.name = 'knobStem';
  knobStem.position.set(0, 0.14, 0);
  root.add(knobStem);
  const knob = new THREE.Mesh(new THREE.SphereGeometry(0.0115, 8, 6), accentMat);
  knob.name = 'knob';
  knob.position.set(0, 0.151, 0);
  knob.scale.set(1, 0.85, 1);
  root.add(knob);
  const spout1 = new THREE.Mesh(new THREE.CylinderGeometry(0.013, 0.018, 0.0432, 8), glazeMat);
  spout1.name = 'spout1';
  spout1.position.set(0.0715, 0.048, 0);
  spout1.rotation.set(0, 0, deg(-64.1336));
  root.add(spout1);
  const spout2 = new THREE.Mesh(new THREE.CylinderGeometry(0.0105, 0.013, 0.0378, 8), glazeMat);
  spout2.name = 'spout2';
  spout2.position.set(0.099, 0.068, 0);
  spout2.rotation.set(0, 0, deg(-42.5104));
  root.add(spout2);
  const spout3 = new THREE.Mesh(new THREE.CylinderGeometry(0.0088, 0.0105, 0.0322, 8), glazeMat);
  spout3.name = 'spout3';
  spout3.position.set(0.117, 0.092, 0);
  spout3.rotation.set(0, 0, deg(-30.2564));
  root.add(spout3);
  const spout4 = new THREE.Mesh(new THREE.CylinderGeometry(0.0078, 0.0088, 0.0255, 8), glazeMat);
  spout4.name = 'spout4';
  spout4.position.set(0.13, 0.113, 0);
  spout4.rotation.set(0, 0, deg(-33.6901));
  root.add(spout4);
  const spoutLip = new THREE.Mesh(new THREE.CylinderGeometry(0.0105, 0.0082, 0.006, 10), accentMat);
  spoutLip.name = 'spoutLip';
  spoutLip.position.set(0.1371, 0.1237, 0);
  spoutLip.rotation.set(0, 0, deg(-33.6901));
  root.add(spoutLip);
  const spoutHole = new THREE.Mesh(new THREE.CylinderGeometry(0.0062, 0.0062, 0.001, 8), footMat);
  spoutHole.name = 'spoutHole';
  spoutHole.position.set(0.1389, 0.1263, 0);
  spoutHole.rotation.set(0, 0, deg(-33.6901));
  root.add(spoutHole);
  const handle = new THREE.Mesh(new THREE.TorusGeometry(0.036, 0.0075, 5, 12, 3.8327), glazeMat);
  handle.name = 'handle';
  handle.position.set(-0.072, 0.066, 0);
  handle.rotation.set(0, 0, deg(70));
  handle.scale.set(0.95, 1.08, 1);
  root.add(handle);

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

export default createTeaPot;