/**
 * Signature colours for each game, used to render a stylised "cover" tile in
 * the game picker (real box art is Nintendo's and not in the API). Two
 * colours = the paired versions; games without a listed entry fall back to
 * a per-generation hue.
 */
const GAME = {
  'red-blue': ['#e0362f', '#2f6cd8'],
  'red-green-japan': ['#e0362f', '#39ab57'],
  'blue-japan': ['#2f6cd8', '#3f8ad0'],
  yellow: ['#f4c21a', '#f0a81f'],
  'gold-silver': ['#d7a521', '#b9bcc6'],
  crystal: ['#41a3c4', '#6fd0d8'],
  'ruby-sapphire': ['#b4302e', '#2e5cb4'],
  emerald: ['#12904a', '#26b56b'],
  'firered-leafgreen': ['#e4552b', '#57b04b'],
  'diamond-pearl': ['#7fb0e2', '#e0a3c8'],
  platinum: ['#9aa0ab', '#c9ccd4'],
  'heartgold-soulsilver': ['#d7a521', '#b9bcc6'],
  'black-white': ['#26262b', '#b9b9c2'],
  'black-2-white-2': ['#2b2b31', '#aeaeb8'],
  'x-y': ['#4c7bc4', '#c43b3b'],
  'omega-ruby-alpha-sapphire': ['#b4302e', '#2e5cb4'],
  'sun-moon': ['#f0952b', '#4062b4'],
  'ultra-sun-ultra-moon': ['#e3781e', '#34489e'],
  'lets-go-pikachu-lets-go-eevee': ['#f4c21a', '#c08a52'],
  'sword-shield': ['#00a0c6', '#c33b84'],
  'brilliant-diamond-and-shining-pearl': ['#6f5ac4', '#d06fa6'],
  'legends-arceus': ['#3e7c6a', '#b08d4a'],
  'scarlet-violet': ['#c9352e', '#7c4da0'],
  'the-teal-mask': ['#2e8b7a', '#39a892'],
  'the-indigo-disk': ['#3b3ba0', '#5a5ac4'],
  colosseum: ['#3a3a44', '#6e5aa0'],
  xd: ['#4a2e6e', '#6a45a0'],
};

const GEN = {
  1: ['#e0362f', '#e8564f'],
  2: ['#d7a521', '#e0b94a'],
  3: ['#12904a', '#2eb56b'],
  4: ['#6e86c4', '#9ab0dc'],
  5: ['#44444c', '#666670'],
  6: ['#5b7bc4', '#7c9adc'],
  7: ['#f0952b', '#f5b45a'],
  8: ['#3aa6c6', '#5ec6dc'],
  9: ['#c9352e', '#e0564f'],
};

export function gameColors(versionGroupKey, generation = 9) {
  return GAME[versionGroupKey] || GEN[generation] || GEN[9];
}