/**
 * Trophy Cup — Codels 3D model library
 * License: CC0-1.0 · Units: meters · Y-up · Front: +Z · Origin: center of the model (it floats — pickups, planets)
 * Triangles: 1,388 · Size (W × H × D): 0.31 × 0.30 × 0.20 m
 *
 * Usage:
 *   import { createTrophyCup } from './trophy-cup.js';
 *   
 *   const model = createTrophyCup();
 *   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);
}

// Extrude a 2D outline along Z (centered). bevel = [thickness, size, segments].
function extrude(outline, depth, holes = [], bevel = null) {
  const shape = new THREE.Shape(outline.map(([x, y]) => new THREE.Vector2(x, y)));
  for (const hole of holes) shape.holes.push(new THREE.Path(hole.map(([x, y]) => new THREE.Vector2(x, y))));
  const options = bevel
    ? { depth, bevelEnabled: true, bevelThickness: bevel[0], bevelSize: bevel[1], bevelSegments: bevel[2] }
    : { depth, bevelEnabled: false };
  return new THREE.ExtrudeGeometry(shape, options).translate(0, 0, -depth / 2);
}

// 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 createTrophyCup() {
  const root = new THREE.Group();
  root.name = 'TrophyCup';

  // Materials
  const goldMat = new THREE.MeshStandardMaterial({ name: 'gold', color: 0xf4bf3a, roughness: 0.28, metalness: 0.85, flatShading: true });
  const embossMat = new THREE.MeshStandardMaterial({ name: 'emboss', color: 0xf7d275, roughness: 0.25, metalness: 0.8, flatShading: true });
  const insideMat = new THREE.MeshStandardMaterial({ name: 'inside', color: 0xb78f2c, roughness: 0.35, metalness: 0.85, flatShading: true });
  const plinthMat = new THREE.MeshStandardMaterial({ name: 'plinth', color: 0x2f2a33, roughness: 0.55, metalness: 0.1, flatShading: true });

  // Parts
  const trophy = new THREE.Group();
  trophy.name = 'trophy';
  trophy.position.set(0, -0.15, 0);
  trophy.scale.setScalar(1.3636);
  root.add(trophy);
  const plinth = new THREE.Mesh(new THREE.BoxGeometry(0.12, 0.034, 0.12), plinthMat);
  plinth.name = 'plinth';
  plinth.position.set(0, 0.017, 0);
  trophy.add(plinth);
  const plinthStep = new THREE.Mesh(new THREE.BoxGeometry(0.1, 0.016, 0.1), plinthMat);
  plinthStep.name = 'plinthStep';
  plinthStep.position.set(0, 0.042, 0);
  trophy.add(plinthStep);
  const plaque = new THREE.Mesh(new THREE.BoxGeometry(0.07, 0.02, 0.003), goldMat);
  plaque.name = 'plaque';
  plaque.position.set(0, 0.017, 0.061);
  trophy.add(plaque);
  const plaqueText = new THREE.Mesh(new THREE.BoxGeometry(0.05, 0.004, 0.002), embossMat);
  plaqueText.name = 'plaqueText';
  plaqueText.position.set(0, 0.019, 0.0625);
  trophy.add(plaqueText);
  const stem = new THREE.Mesh(lathe([[0, 0.05], [0.046, 0.05], [0.048, 0.056], [0.04, 0.062], [0.02, 0.068], [0.012, 0.076], [0.011, 0.086], [0.02, 0.092], [0.011, 0.098], [0.012, 0.108], [0, 0.11]], 16), goldMat);
  stem.name = 'stem';
  trophy.add(stem);
  const bowl = new THREE.Mesh(lathe([[0, 0.106], [0.016, 0.106], [0.032, 0.118], [0.05, 0.14], [0.063, 0.171], [0.069, 0.2], [0.074, 0.212], [0.073, 0.218], [0.066, 0.216], [0.061, 0.202], [0.056, 0.174], [0.044, 0.146], [0.024, 0.13], [0, 0.126]], 16), goldMat);
  bowl.name = 'bowl';
  trophy.add(bowl);
  const bowlInside = new THREE.Mesh(new THREE.CylinderGeometry(0.04, 0.04, 0.002, 16), insideMat);
  bowlInside.name = 'bowlInside';
  bowlInside.position.set(0, 0.132, 0);
  trophy.add(bowlInside);
  const band = new THREE.Mesh(lathe([[0.0618, 0.17], [0.0668, 0.171], [0.0683, 0.176], [0.0668, 0.181], [0.0618, 0.182]], 16), embossMat);
  band.name = 'band';
  trophy.add(band);
  const handleR = new THREE.Mesh(tube([[0.064, 0.194, 0], [0.094, 0.2, 0], [0.108, 0.176, 0], [0.094, 0.146, 0], [0.062, 0.136, 0], [0.045, 0.136, 0]], 0.0065, 14, 6), goldMat);
  handleR.name = 'handleR';
  trophy.add(handleR);
  const handleL = new THREE.Mesh(tube([[-0.064, 0.194, 0], [-0.094, 0.2, 0], [-0.108, 0.176, 0], [-0.094, 0.146, 0], [-0.062, 0.136, 0], [-0.045, 0.136, 0]], 0.0065, 14, 6), goldMat);
  handleL.name = 'handleL';
  trophy.add(handleL);
  const star = new THREE.Mesh(extrude([[0, 0.02], [-0.0047, 0.0065], [-0.019, 0.0062], [-0.0076, -0.0025], [-0.0118, -0.0162], [0, -0.008], [0.0118, -0.0162], [0.0076, -0.0025], [0.019, 0.0062], [0.0047, 0.0065]], 0.004, [], [0.0012, 0.0012, 1]), embossMat);
  star.name = 'star';
  star.position.set(0, 0.156, 0.058);
  star.rotation.set(deg(22.751), 0, 0);
  trophy.add(star);

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

export default createTrophyCup;