/**
 * Sci-Fi Crate — Codels 3D model library
 * License: CC0-1.0 · Units: meters · Y-up · Front: +Z · Origin: center of the base (y = 0)
 * Triangles: 576 · Size (W × H × D): 1.23 × 1.16 × 1.23 m
 *
 * Usage:
 *   import { createScifiCrate } from './scifi-crate.js';
 *   
 *   const model = createScifiCrate();
 *   model.position.set(0, 0, 0);
 *   scene.add(model);
 */
import * as THREE from 'three';

const deg = THREE.MathUtils.degToRad;

// 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);
}

export function createScifiCrate() {
  const root = new THREE.Group();
  root.name = 'ScifiCrate';

  // Materials
  const bodyMat = new THREE.MeshStandardMaterial({ name: 'body', color: 0xc6ccd4, roughness: 0.45, metalness: 0.35, flatShading: true });
  const panelMat = new THREE.MeshStandardMaterial({ name: 'panel', color: 0x3b414b, roughness: 0.6, metalness: 0.4, flatShading: true });
  const glowMat = new THREE.MeshStandardMaterial({ name: 'glow', color: 0x35c6ff, roughness: 0.4, emissive: 0x35c6ff, emissiveIntensity: 1.4, flatShading: true });

  // Shared geometries
  const boxGeo = new THREE.BoxGeometry(0.62, 0.62, 0.03);
  const boxGeo2 = new THREE.BoxGeometry(0.46, 0.05, 0.03);
  const boxGeo3 = new THREE.BoxGeometry(0.16, 0.05, 0.03);
  const boxGeo4 = new THREE.BoxGeometry(0.06, 0.06, 0.03);
  const boxGeo5 = new THREE.BoxGeometry(0.36, 0.05, 0.06);
  const boxGeo6 = new THREE.BoxGeometry(0.13, 0.86, 0.05);
  const boxGeo7 = new THREE.BoxGeometry(0.24, 0.12, 0.08);

  // Parts
  const crate = new THREE.Group();
  crate.name = 'crate';
  crate.scale.setScalar(1.1);
  root.add(crate);
  const shell = new THREE.Mesh(extrude([[-0.36, -0.46], [0.36, -0.46], [0.46, -0.36], [0.46, 0.36], [0.36, 0.46], [-0.36, 0.46], [-0.46, 0.36], [-0.46, -0.36]], 0.92, [], [0.04, 0.04, 1]), bodyMat);
  shell.name = 'shell';
  shell.position.set(0, 0.5, 0);
  shell.rotation.set(deg(90), 0, 0);
  crate.add(shell);
  const side1 = new THREE.Group();
  side1.name = 'side1';
  crate.add(side1);
  const panel = new THREE.Mesh(boxGeo, panelMat);
  panel.name = 'panel';
  panel.position.set(0, 0.5, 0.505);
  side1.add(panel);
  const lightStrip = new THREE.Mesh(boxGeo2, glowMat);
  lightStrip.name = 'lightStrip';
  lightStrip.position.set(0, 0.56, 0.52);
  side1.add(lightStrip);
  const lightStrip2 = new THREE.Mesh(boxGeo2, glowMat);
  lightStrip2.name = 'lightStrip2';
  lightStrip2.position.set(0, 0.44, 0.52);
  side1.add(lightStrip2);
  const box7 = new THREE.Mesh(boxGeo3, bodyMat);
  box7.position.set(-0.2, 0.3, 0.52);
  side1.add(box7);
  const box8 = new THREE.Mesh(boxGeo3, bodyMat);
  box8.position.set(0.2, 0.3, 0.52);
  side1.add(box8);
  const indicator = new THREE.Mesh(boxGeo4, glowMat);
  indicator.name = 'indicator';
  indicator.position.set(0.2, 0.7, 0.52);
  side1.add(indicator);
  const side2 = new THREE.Group();
  side2.name = 'side2';
  side2.rotation.set(0, deg(90), 0);
  crate.add(side2);
  const panel2 = new THREE.Mesh(boxGeo, panelMat);
  panel2.name = 'panel';
  panel2.position.set(0, 0.5, 0.505);
  side2.add(panel2);
  const lightStrip3 = new THREE.Mesh(boxGeo2, glowMat);
  lightStrip3.name = 'lightStrip';
  lightStrip3.position.set(0, 0.56, 0.52);
  side2.add(lightStrip3);
  const lightStrip22 = new THREE.Mesh(boxGeo2, glowMat);
  lightStrip22.name = 'lightStrip2';
  lightStrip22.position.set(0, 0.44, 0.52);
  side2.add(lightStrip22);
  const box14 = new THREE.Mesh(boxGeo3, bodyMat);
  box14.position.set(-0.2, 0.3, 0.52);
  side2.add(box14);
  const box15 = new THREE.Mesh(boxGeo3, bodyMat);
  box15.position.set(0.2, 0.3, 0.52);
  side2.add(box15);
  const indicator2 = new THREE.Mesh(boxGeo4, glowMat);
  indicator2.name = 'indicator';
  indicator2.position.set(0.2, 0.7, 0.52);
  side2.add(indicator2);
  const side3 = new THREE.Group();
  side3.name = 'side3';
  side3.rotation.set(0, deg(180), 0);
  crate.add(side3);
  const panel3 = new THREE.Mesh(boxGeo, panelMat);
  panel3.name = 'panel';
  panel3.position.set(0, 0.5, 0.505);
  side3.add(panel3);
  const lightStrip4 = new THREE.Mesh(boxGeo2, glowMat);
  lightStrip4.name = 'lightStrip';
  lightStrip4.position.set(0, 0.56, 0.52);
  side3.add(lightStrip4);
  const lightStrip23 = new THREE.Mesh(boxGeo2, glowMat);
  lightStrip23.name = 'lightStrip2';
  lightStrip23.position.set(0, 0.44, 0.52);
  side3.add(lightStrip23);
  const box21 = new THREE.Mesh(boxGeo3, bodyMat);
  box21.position.set(-0.2, 0.3, 0.52);
  side3.add(box21);
  const box22 = new THREE.Mesh(boxGeo3, bodyMat);
  box22.position.set(0.2, 0.3, 0.52);
  side3.add(box22);
  const indicator3 = new THREE.Mesh(boxGeo4, glowMat);
  indicator3.name = 'indicator';
  indicator3.position.set(0.2, 0.7, 0.52);
  side3.add(indicator3);
  const side4 = new THREE.Group();
  side4.name = 'side4';
  side4.rotation.set(0, deg(270), 0);
  crate.add(side4);
  const panel4 = new THREE.Mesh(boxGeo, panelMat);
  panel4.name = 'panel';
  panel4.position.set(0, 0.5, 0.505);
  side4.add(panel4);
  const lightStrip5 = new THREE.Mesh(boxGeo2, glowMat);
  lightStrip5.name = 'lightStrip';
  lightStrip5.position.set(0, 0.56, 0.52);
  side4.add(lightStrip5);
  const lightStrip24 = new THREE.Mesh(boxGeo2, glowMat);
  lightStrip24.name = 'lightStrip2';
  lightStrip24.position.set(0, 0.44, 0.52);
  side4.add(lightStrip24);
  const box28 = new THREE.Mesh(boxGeo3, bodyMat);
  box28.position.set(-0.2, 0.3, 0.52);
  side4.add(box28);
  const box29 = new THREE.Mesh(boxGeo3, bodyMat);
  box29.position.set(0.2, 0.3, 0.52);
  side4.add(box29);
  const indicator4 = new THREE.Mesh(boxGeo4, glowMat);
  indicator4.name = 'indicator';
  indicator4.position.set(0.2, 0.7, 0.52);
  side4.add(indicator4);
  const lidPanel = new THREE.Mesh(new THREE.BoxGeometry(0.62, 0.03, 0.62), panelMat);
  lidPanel.name = 'lidPanel';
  lidPanel.position.set(0, 1.005, 0);
  crate.add(lidPanel);
  const emblem = new THREE.Mesh(new THREE.CylinderGeometry(0.15, 0.15, 0.03, 6), glowMat);
  emblem.name = 'emblem';
  emblem.position.set(0, 1.018, 0);
  crate.add(emblem);
  const emblemCore = new THREE.Mesh(new THREE.CylinderGeometry(0.09, 0.09, 0.04, 6), panelMat);
  emblemCore.name = 'emblemCore';
  emblemCore.position.set(0, 1.023, 0);
  crate.add(emblemCore);
  const handle = new THREE.Mesh(boxGeo5, bodyMat);
  handle.name = 'handle';
  handle.position.set(0, 1.03, 0.24);
  crate.add(handle);
  const handle2 = new THREE.Mesh(boxGeo5, bodyMat);
  handle2.name = 'handle';
  handle2.position.set(0, 1.03, -0.24);
  crate.add(handle2);
  const bumper1 = new THREE.Mesh(boxGeo6, panelMat);
  bumper1.name = 'bumper1';
  bumper1.position.set(0.4581, 0.5, 0.4581);
  bumper1.rotation.set(0, deg(45), 0);
  crate.add(bumper1);
  const box37 = new THREE.Mesh(boxGeo7, bodyMat);
  box37.position.set(0.4443, 0.06, 0.4443);
  box37.rotation.set(0, deg(45), 0);
  crate.add(box37);
  const box38 = new THREE.Mesh(boxGeo7, bodyMat);
  box38.position.set(0.4443, 0.94, 0.4443);
  box38.rotation.set(0, deg(45), 0);
  crate.add(box38);
  const bumper2 = new THREE.Mesh(boxGeo6, panelMat);
  bumper2.name = 'bumper2';
  bumper2.position.set(0.4581, 0.5, -0.4581);
  bumper2.rotation.set(0, deg(135), 0);
  crate.add(bumper2);
  const box40 = new THREE.Mesh(boxGeo7, bodyMat);
  box40.position.set(0.4443, 0.06, -0.4443);
  box40.rotation.set(0, deg(135), 0);
  crate.add(box40);
  const box41 = new THREE.Mesh(boxGeo7, bodyMat);
  box41.position.set(0.4443, 0.94, -0.4443);
  box41.rotation.set(0, deg(135), 0);
  crate.add(box41);
  const bumper3 = new THREE.Mesh(boxGeo6, panelMat);
  bumper3.name = 'bumper3';
  bumper3.position.set(-0.4581, 0.5, -0.4581);
  bumper3.rotation.set(0, deg(225), 0);
  crate.add(bumper3);
  const box43 = new THREE.Mesh(boxGeo7, bodyMat);
  box43.position.set(-0.4443, 0.06, -0.4443);
  box43.rotation.set(0, deg(225), 0);
  crate.add(box43);
  const box44 = new THREE.Mesh(boxGeo7, bodyMat);
  box44.position.set(-0.4443, 0.94, -0.4443);
  box44.rotation.set(0, deg(225), 0);
  crate.add(box44);
  const bumper4 = new THREE.Mesh(boxGeo6, panelMat);
  bumper4.name = 'bumper4';
  bumper4.position.set(-0.4581, 0.5, 0.4581);
  bumper4.rotation.set(0, deg(315), 0);
  crate.add(bumper4);
  const box46 = new THREE.Mesh(boxGeo7, bodyMat);
  box46.position.set(-0.4443, 0.06, 0.4443);
  box46.rotation.set(0, deg(315), 0);
  crate.add(box46);
  const box47 = new THREE.Mesh(boxGeo7, bodyMat);
  box47.position.set(-0.4443, 0.94, 0.4443);
  box47.rotation.set(0, deg(315), 0);
  crate.add(box47);

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

export default createScifiCrate;