(function() {
  'use strict';

  // Face shapes (8 options)
  var FACE_SHAPES = [
    { id: 'round', name: 'Round', widthRatio: 1.0, heightRatio: 1.0, jawCurve: 0.9 },
    { id: 'oval', name: 'Oval', widthRatio: 0.85, heightRatio: 1.1, jawCurve: 0.7 },
    { id: 'square', name: 'Square', widthRatio: 1.0, heightRatio: 0.95, jawCurve: 0.3 },
    { id: 'heart', name: 'Heart', widthRatio: 0.9, heightRatio: 1.05, jawCurve: 0.8, chinPoint: 0.6 },
    { id: 'long', name: 'Long', widthRatio: 0.8, heightRatio: 1.2, jawCurve: 0.5 },
    { id: 'wide', name: 'Wide', widthRatio: 1.15, heightRatio: 0.9, jawCurve: 0.6 },
    { id: 'angular', name: 'Angular', widthRatio: 0.95, heightRatio: 1.0, jawCurve: 0.2, cheekbones: 0.7 },
    { id: 'soft', name: 'Soft', widthRatio: 1.05, heightRatio: 1.0, jawCurve: 0.95 }
  ];

  // Skin tones (20 options - full diversity)
  var SKIN_TONES = [
    { id: 'fair1', hex: '#FFECD1', name: 'Porcelain' },
    { id: 'fair2', hex: '#FFE4C4', name: 'Ivory' },
    { id: 'fair3', hex: '#FFDAB9', name: 'Peach' },
    { id: 'fair4', hex: '#FFD5B5', name: 'Cream' },
    { id: 'light1', hex: '#F5D0A9', name: 'Light Beige' },
    { id: 'light2', hex: '#E8C49A', name: 'Warm Beige' },
    { id: 'light3', hex: '#DEB887', name: 'Sand' },
    { id: 'medium1', hex: '#D4A373', name: 'Golden' },
    { id: 'medium2', hex: '#C9A06A', name: 'Honey' },
    { id: 'medium3', hex: '#BC8F5F', name: 'Caramel' },
    { id: 'medium4', hex: '#B07D4B', name: 'Toffee' },
    { id: 'tan1', hex: '#A67B5B', name: 'Tan' },
    { id: 'tan2', hex: '#996B4D', name: 'Bronze' },
    { id: 'tan3', hex: '#8B6D4C', name: 'Cinnamon' },
    { id: 'brown1', hex: '#7D5A3C', name: 'Chestnut' },
    { id: 'brown2', hex: '#6F4E37', name: 'Cocoa' },
    { id: 'brown3', hex: '#5D4532', name: 'Espresso' },
    { id: 'dark1', hex: '#4E3B2D', name: 'Mocha' },
    { id: 'dark2', hex: '#3D2B1F', name: 'Ebony' },
    { id: 'dark3', hex: '#2C1F15', name: 'Onyx' }
  ];

  // Eye shapes (12 options)
  var EYE_SHAPES = [
    { id: 'round', name: 'Round', width: 0.15, height: 0.12, curve: 1.0 },
    { id: 'almond', name: 'Almond', width: 0.18, height: 0.08, curve: 0.6 },
    { id: 'oval', name: 'Oval', width: 0.16, height: 0.10, curve: 0.8 },
    { id: 'narrow', name: 'Narrow', width: 0.20, height: 0.06, curve: 0.4 },
    { id: 'wide', name: 'Wide', width: 0.19, height: 0.11, curve: 0.7 },
    { id: 'droopy', name: 'Droopy', width: 0.17, height: 0.09, curve: 0.5, droop: 0.3 },
    { id: 'upturned', name: 'Upturned', width: 0.17, height: 0.09, curve: 0.6, upturn: 0.3 },
    { id: 'cat', name: 'Cat', width: 0.18, height: 0.07, curve: 0.4, upturn: 0.5 },
    { id: 'sleepy', name: 'Sleepy', width: 0.16, height: 0.07, curve: 0.5, lidDroop: 0.4 },
    { id: 'surprised', name: 'Surprised', width: 0.16, height: 0.14, curve: 1.0 },
    { id: 'angry', name: 'Angry', width: 0.17, height: 0.08, curve: 0.5, innerAngle: -0.2 },
    { id: 'happy', name: 'Happy', width: 0.17, height: 0.08, curve: 0.7, squint: 0.3 }
  ];

  // Eye colors (16 options)
  var EYE_COLORS = [
    { id: 'brown', hex: '#634e34', name: 'Brown' },
    { id: 'darkBrown', hex: '#3d2314', name: 'Dark Brown' },
    { id: 'hazel', hex: '#8b7355', name: 'Hazel' },
    { id: 'green', hex: '#3d7a3d', name: 'Green' },
    { id: 'blue', hex: '#4682b4', name: 'Blue' },
    { id: 'lightBlue', hex: '#87ceeb', name: 'Light Blue' },
    { id: 'gray', hex: '#708090', name: 'Gray' },
    { id: 'amber', hex: '#b8860b', name: 'Amber' },
    { id: 'violet', hex: '#8b008b', name: 'Violet' },
    { id: 'emerald', hex: '#50c878', name: 'Emerald' },
    { id: 'iceBlue', hex: '#a5d8e6', name: 'Ice Blue' },
    { id: 'gold', hex: '#daa520', name: 'Gold' },
    { id: 'red', hex: '#8b0000', name: 'Red' },
    { id: 'black', hex: '#1a1a1a', name: 'Black' },
    { id: 'honey', hex: '#c9a06a', name: 'Honey' },
    { id: 'turquoise', hex: '#40e0d0', name: 'Turquoise' }
  ];

  // Eyebrow shapes (10 options)
  var EYEBROW_SHAPES = [
    { id: 'natural', name: 'Natural', thickness: 0.5, arch: 0.3 },
    { id: 'arched', name: 'Arched', thickness: 0.5, arch: 0.6 },
    { id: 'straight', name: 'Straight', thickness: 0.5, arch: 0.0 },
    { id: 'thick', name: 'Thick', thickness: 0.8, arch: 0.3 },
    { id: 'thin', name: 'Thin', thickness: 0.25, arch: 0.3 },
    { id: 'angry', name: 'Angry', thickness: 0.5, arch: 0.2, innerAngle: -0.4 },
    { id: 'worried', name: 'Worried', thickness: 0.5, arch: 0.4, innerAngle: 0.3 },
    { id: 'bushy', name: 'Bushy', thickness: 0.9, arch: 0.2, wild: true },
    { id: 'sleek', name: 'Sleek', thickness: 0.3, arch: 0.5 },
    { id: 'curved', name: 'Curved', thickness: 0.5, arch: 0.7 }
  ];

  // Nose shapes (8 options)
  var NOSE_SHAPES = [
    { id: 'button', name: 'Button', width: 0.12, length: 0.15 },
    { id: 'pointed', name: 'Pointed', width: 0.10, length: 0.22 },
    { id: 'roman', name: 'Roman', width: 0.14, length: 0.25, bridge: 0.6 },
    { id: 'snub', name: 'Snub', width: 0.13, length: 0.12, upturn: 0.4 },
    { id: 'wide', name: 'Wide', width: 0.18, length: 0.18 },
    { id: 'narrow', name: 'Narrow', width: 0.08, length: 0.20 },
    { id: 'aquiline', name: 'Aquiline', width: 0.12, length: 0.24, bridge: 0.8 },
    { id: 'flat', name: 'Flat', width: 0.16, length: 0.10 }
  ];

  // Mouth shapes (10 options)
  var MOUTH_SHAPES = [
    { id: 'smile', name: 'Smile', width: 0.25, curve: 0.3 },
    { id: 'neutral', name: 'Neutral', width: 0.22, curve: 0 },
    { id: 'grin', name: 'Grin', width: 0.30, curve: 0.5, showTeeth: true },
    { id: 'smirk', name: 'Smirk', width: 0.22, curve: 0.2, asymmetric: true },
    { id: 'pout', name: 'Pout', width: 0.20, curve: -0.2, lipFullness: 0.8 },
    { id: 'open', name: 'Open', width: 0.24, curve: 0.1, openness: 0.3 },
    { id: 'small', name: 'Small', width: 0.16, curve: 0.1 },
    { id: 'wide', name: 'Wide', width: 0.32, curve: 0.1 },
    { id: 'thin', name: 'Thin', width: 0.24, curve: 0, lipFullness: 0.3 },
    { id: 'full', name: 'Full', width: 0.26, curve: 0.15, lipFullness: 0.9 }
  ];

  // Ear shapes (6 options)
  var EAR_SHAPES = [
    { id: 'normal', name: 'Normal', size: 1.0, angle: 0 },
    { id: 'small', name: 'Small', size: 0.7, angle: 0 },
    { id: 'large', name: 'Large', size: 1.3, angle: 0 },
    { id: 'pointed', name: 'Pointed', size: 1.0, angle: 0, pointed: true },
    { id: 'round', name: 'Round', size: 1.0, angle: 0, roundness: 0.9 },
    { id: 'flat', name: 'Flat', size: 0.9, angle: 15 }
  ];

  // Hair styles (30 options)
  var HAIR_STYLES = [
    { id: 'short-messy', name: 'Short Messy', length: 'short', coverage: 0.3 },
    { id: 'short-neat', name: 'Short Neat', length: 'short', coverage: 0.25 },
    { id: 'short-curly', name: 'Short Curly', length: 'short', coverage: 0.35 },
    { id: 'medium-straight', name: 'Medium Straight', length: 'medium', coverage: 0.5 },
    { id: 'medium-wavy', name: 'Medium Wavy', length: 'medium', coverage: 0.55 },
    { id: 'long-straight', name: 'Long Straight', length: 'long', coverage: 0.7 },
    { id: 'long-wavy', name: 'Long Wavy', length: 'long', coverage: 0.75 },
    { id: 'ponytail', name: 'Ponytail', length: 'medium', coverage: 0.4 },
    { id: 'pigtails', name: 'Pigtails', length: 'medium', coverage: 0.45 },
    { id: 'bun', name: 'Bun', length: 'long', coverage: 0.35 },
    { id: 'mohawk', name: 'Mohawk', length: 'short', coverage: 0.2 },
    { id: 'afro', name: 'Afro', length: 'medium', coverage: 0.8 },
    { id: 'buzz', name: 'Buzz Cut', length: 'short', coverage: 0.15 },
    { id: 'bald', name: 'Bald', length: 'none', coverage: 0 },
    { id: 'sidepart', name: 'Side Part', length: 'short', coverage: 0.3 },
    { id: 'spiky', name: 'Spiky', length: 'short', coverage: 0.35, spikes: true },
    { id: 'slicked', name: 'Slicked Back', length: 'short', coverage: 0.25 },
    { id: 'bob', name: 'Bob', length: 'medium', coverage: 0.5 },
    { id: 'pixie', name: 'Pixie', length: 'short', coverage: 0.35 },
    { id: 'braids', name: 'Braids', length: 'long', coverage: 0.6 },
    { id: 'dreads', name: 'Dreads', length: 'long', coverage: 0.7 },
    { id: 'undercut', name: 'Undercut', length: 'short', coverage: 0.25, sides: 'shaved' },
    { id: 'fauxhawk', name: 'Faux Hawk', length: 'short', coverage: 0.3 },
    { id: 'mullet', name: 'Mullet', length: 'medium', coverage: 0.45, backLength: 'long' },
    { id: 'bowl', name: 'Bowl Cut', length: 'medium', coverage: 0.55 },
    { id: 'combover', name: 'Comb Over', length: 'short', coverage: 0.2 },
    { id: 'bangs', name: 'Bangs', length: 'medium', coverage: 0.5, bangs: true },
    { id: 'sidesweep', name: 'Side Sweep', length: 'medium', coverage: 0.45 },
    { id: 'topknot', name: 'Top Knot', length: 'long', coverage: 0.3 },
    { id: 'cornrows', name: 'Cornrows', length: 'medium', coverage: 0.4 }
  ];

  // Hair colors (20 options)
  var HAIR_COLORS = [
    { id: 'black', hex: '#1a1a1a', name: 'Black' },
    { id: 'darkBrown', hex: '#2c1810', name: 'Dark Brown' },
    { id: 'brown', hex: '#4a3728', name: 'Brown' },
    { id: 'lightBrown', hex: '#7a5a3a', name: 'Light Brown' },
    { id: 'auburn', hex: '#8b4513', name: 'Auburn' },
    { id: 'ginger', hex: '#b5651d', name: 'Ginger' },
    { id: 'strawberry', hex: '#c67171', name: 'Strawberry' },
    { id: 'blonde', hex: '#d4b896', name: 'Blonde' },
    { id: 'platinum', hex: '#e8e4c9', name: 'Platinum' },
    { id: 'white', hex: '#f0f0f0', name: 'White' },
    { id: 'gray', hex: '#808080', name: 'Gray' },
    { id: 'red', hex: '#cc0000', name: 'Red' },
    { id: 'blue', hex: '#0066cc', name: 'Blue' },
    { id: 'purple', hex: '#7b2d8e', name: 'Purple' },
    { id: 'green', hex: '#228b22', name: 'Green' },
    { id: 'pink', hex: '#ff69b4', name: 'Pink' },
    { id: 'teal', hex: '#008b8b', name: 'Teal' },
    { id: 'orange', hex: '#ff6600', name: 'Orange' },
    { id: 'silver', hex: '#c0c0c0', name: 'Silver' },
    { id: 'rainbow', hex: 'linear-gradient(90deg, #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #8b00ff)', name: 'Rainbow', isGradient: true }
  ];

  // Facial hair (10 options)
  var FACIAL_HAIR = [
    { id: 'none', name: 'None' },
    { id: 'stubble', name: 'Stubble', density: 0.3, length: 0.1 },
    { id: 'goatee', name: 'Goatee', coverage: 'chin', length: 0.4 },
    { id: 'mustache', name: 'Mustache', coverage: 'upper-lip', length: 0.3, style: 'classic' },
    { id: 'fullBeard', name: 'Full Beard', coverage: 'full', length: 0.7 },
    { id: 'shortBeard', name: 'Short Beard', coverage: 'full', length: 0.3 },
    { id: 'soulPatch', name: 'Soul Patch', coverage: 'chin-center', length: 0.3 },
    { id: 'mutton', name: 'Mutton Chops', coverage: 'sides', length: 0.5 },
    { id: 'handlebar', name: 'Handlebar', coverage: 'upper-lip', length: 0.4, style: 'handlebar' },
    { id: 'vandyke', name: 'Van Dyke', coverage: 'chin-mustache', length: 0.5 }
  ];

  // Body types (6 options)
  var BODY_TYPES = [
    { id: 'slim', name: 'Slim', widthRatio: 0.8, heightRatio: 1.0 },
    { id: 'average', name: 'Average', widthRatio: 1.0, heightRatio: 1.0 },
    { id: 'athletic', name: 'Athletic', widthRatio: 1.1, heightRatio: 1.0 },
    { id: 'stocky', name: 'Stocky', widthRatio: 1.2, heightRatio: 0.95 },
    { id: 'tall', name: 'Tall', widthRatio: 0.95, heightRatio: 1.15 },
    { id: 'short', name: 'Short', widthRatio: 1.0, heightRatio: 0.85 }
  ];

  // Clothing styles (4 options)
  var CLOTHING_STYLES = [
    { id: 'casual', name: 'Casual', hasCollar: false, sleeveLength: 'short' },
    { id: 'sporty', name: 'Sporty', hasCollar: false, sleeveLength: 'short', hasStripes: true },
    { id: 'formal', name: 'Formal', hasCollar: true, sleeveLength: 'long' },
    { id: 'scifi', name: 'Sci-Fi', hasCollar: true, sleeveLength: 'long', hasGlow: true }
  ];

  // Preset colors for clothing
  var CLOTHING_COLORS = [
    '#e74c3c', '#e67e22', '#f1c40f', '#2ecc71', '#1abc9c',
    '#3498db', '#9b59b6', '#34495e', '#95a5a6', '#ecf0f1',
    '#c0392b', '#d35400', '#f39c12', '#27ae60', '#16a085',
    '#2980b9', '#8e44ad', '#2c3e50', '#7f8c8d', '#bdc3c7'
  ];

  // 10 Default guest avatars
  var GUEST_AVATARS = [
    {
      id: 'guest_1',
      name: 'Guest Blue',
      base: {
        faceShape: 'round',
        skinTone: 'medium1',
        eyes: { shape: 'round', color: 'blue' },
        eyebrows: 'natural',
        nose: 'button',
        mouth: 'smile',
        ears: 'normal',
        hair: { style: 'short-messy', color: 'darkBrown' },
        facialHair: 'none',
        body: { type: 'average' },
        clothing: { style: 'casual', shirtColor: '#3498db', pantsColor: '#2c3e50' }
      }
    },
    {
      id: 'guest_2',
      name: 'Guest Red',
      base: {
        faceShape: 'oval',
        skinTone: 'light2',
        eyes: { shape: 'almond', color: 'brown' },
        eyebrows: 'arched',
        nose: 'pointed',
        mouth: 'neutral',
        ears: 'normal',
        hair: { style: 'long-straight', color: 'black' },
        facialHair: 'none',
        body: { type: 'slim' },
        clothing: { style: 'casual', shirtColor: '#e74c3c', pantsColor: '#34495e' }
      }
    },
    {
      id: 'guest_3',
      name: 'Guest Green',
      base: {
        faceShape: 'square',
        skinTone: 'tan1',
        eyes: { shape: 'narrow', color: 'darkBrown' },
        eyebrows: 'thick',
        nose: 'wide',
        mouth: 'grin',
        ears: 'large',
        hair: { style: 'buzz', color: 'black' },
        facialHair: 'stubble',
        body: { type: 'athletic' },
        clothing: { style: 'sporty', shirtColor: '#2ecc71', pantsColor: '#2c3e50' }
      }
    },
    {
      id: 'guest_4',
      name: 'Guest Purple',
      base: {
        faceShape: 'heart',
        skinTone: 'fair2',
        eyes: { shape: 'wide', color: 'green' },
        eyebrows: 'curved',
        nose: 'snub',
        mouth: 'small',
        ears: 'small',
        hair: { style: 'bob', color: 'auburn' },
        facialHair: 'none',
        body: { type: 'average' },
        clothing: { style: 'casual', shirtColor: '#9b59b6', pantsColor: '#7f8c8d' }
      }
    },
    {
      id: 'guest_5',
      name: 'Guest Orange',
      base: {
        faceShape: 'long',
        skinTone: 'brown1',
        eyes: { shape: 'oval', color: 'amber' },
        eyebrows: 'straight',
        nose: 'roman',
        mouth: 'full',
        ears: 'normal',
        hair: { style: 'afro', color: 'black' },
        facialHair: 'goatee',
        body: { type: 'tall' },
        clothing: { style: 'casual', shirtColor: '#e67e22', pantsColor: '#34495e' }
      }
    },
    {
      id: 'guest_6',
      name: 'Guest Teal',
      base: {
        faceShape: 'soft',
        skinTone: 'dark1',
        eyes: { shape: 'happy', color: 'darkBrown' },
        eyebrows: 'natural',
        nose: 'flat',
        mouth: 'wide',
        ears: 'round',
        hair: { style: 'dreads', color: 'black' },
        facialHair: 'none',
        body: { type: 'stocky' },
        clothing: { style: 'casual', shirtColor: '#1abc9c', pantsColor: '#2c3e50' }
      }
    },
    {
      id: 'guest_7',
      name: 'Guest Gray',
      base: {
        faceShape: 'angular',
        skinTone: 'light3',
        eyes: { shape: 'cat', color: 'gray' },
        eyebrows: 'sleek',
        nose: 'narrow',
        mouth: 'smirk',
        ears: 'pointed',
        hair: { style: 'undercut', color: 'platinum' },
        facialHair: 'none',
        body: { type: 'slim' },
        clothing: { style: 'scifi', shirtColor: '#95a5a6', pantsColor: '#34495e' }
      }
    },
    {
      id: 'guest_8',
      name: 'Guest Yellow',
      base: {
        faceShape: 'wide',
        skinTone: 'medium3',
        eyes: { shape: 'surprised', color: 'hazel' },
        eyebrows: 'worried',
        nose: 'button',
        mouth: 'open',
        ears: 'normal',
        hair: { style: 'spiky', color: 'blonde' },
        facialHair: 'none',
        body: { type: 'short' },
        clothing: { style: 'casual', shirtColor: '#f1c40f', pantsColor: '#7f8c8d' }
      }
    },
    {
      id: 'guest_9',
      name: 'Guest Navy',
      base: {
        faceShape: 'oval',
        skinTone: 'tan2',
        eyes: { shape: 'droopy', color: 'brown' },
        eyebrows: 'bushy',
        nose: 'aquiline',
        mouth: 'neutral',
        ears: 'flat',
        hair: { style: 'combover', color: 'gray' },
        facialHair: 'fullBeard',
        body: { type: 'stocky' },
        clothing: { style: 'formal', shirtColor: '#2c3e50', pantsColor: '#1a1a2e' }
      }
    },
    {
      id: 'guest_10',
      name: 'Guest Pink',
      base: {
        faceShape: 'round',
        skinTone: 'fair3',
        eyes: { shape: 'round', color: 'lightBlue' },
        eyebrows: 'thin',
        nose: 'snub',
        mouth: 'pout',
        ears: 'small',
        hair: { style: 'pigtails', color: 'strawberry' },
        facialHair: 'none',
        body: { type: 'average' },
        clothing: { style: 'casual', shirtColor: '#ff69b4', pantsColor: '#bdc3c7' }
      }
    }
  ];

  // Helper function to find item by ID
  function findById(array, id) {
    for (var i = 0; i < array.length; i++) {
      if (array[i].id === id) {
        return array[i];
      }
    }
    return null;
  }

  // Public API
  window.AvatarData = {
    FACE_SHAPES: FACE_SHAPES,
    SKIN_TONES: SKIN_TONES,
    EYE_SHAPES: EYE_SHAPES,
    EYE_COLORS: EYE_COLORS,
    EYEBROW_SHAPES: EYEBROW_SHAPES,
    NOSE_SHAPES: NOSE_SHAPES,
    MOUTH_SHAPES: MOUTH_SHAPES,
    EAR_SHAPES: EAR_SHAPES,
    HAIR_STYLES: HAIR_STYLES,
    HAIR_COLORS: HAIR_COLORS,
    FACIAL_HAIR: FACIAL_HAIR,
    BODY_TYPES: BODY_TYPES,
    CLOTHING_STYLES: CLOTHING_STYLES,
    CLOTHING_COLORS: CLOTHING_COLORS,
    GUEST_AVATARS: GUEST_AVATARS,

    // Helper methods
    getFaceShape: function(id) { return findById(FACE_SHAPES, id); },
    getSkinTone: function(id) { return findById(SKIN_TONES, id); },
    getEyeShape: function(id) { return findById(EYE_SHAPES, id); },
    getEyeColor: function(id) { return findById(EYE_COLORS, id); },
    getEyebrowShape: function(id) { return findById(EYEBROW_SHAPES, id); },
    getNoseShape: function(id) { return findById(NOSE_SHAPES, id); },
    getMouthShape: function(id) { return findById(MOUTH_SHAPES, id); },
    getEarShape: function(id) { return findById(EAR_SHAPES, id); },
    getHairStyle: function(id) { return findById(HAIR_STYLES, id); },
    getHairColor: function(id) { return findById(HAIR_COLORS, id); },
    getFacialHair: function(id) { return findById(FACIAL_HAIR, id); },
    getBodyType: function(id) { return findById(BODY_TYPES, id); },
    getClothingStyle: function(id) { return findById(CLOTHING_STYLES, id); },

    getRandomGuestAvatar: function() {
      return GUEST_AVATARS[Math.floor(Math.random() * GUEST_AVATARS.length)];
    },

    createDefaultAvatar: function() {
      return {
        faceShape: 'round',
        skinTone: 'medium1',
        eyes: {
          shape: 'round',
          color: 'brown'
        },
        eyebrows: 'natural',
        nose: 'button',
        mouth: 'smile',
        ears: 'normal',
        hair: {
          style: 'short-neat',
          color: 'brown'
        },
        facialHair: 'none',
        body: {
          type: 'average'
        },
        clothing: {
          style: 'casual',
          shirtColor: '#3498db',
          pantsColor: '#2c3e50'
        }
      };
    }
  };
})();