# frozen_string_literal: true

module FO::Versions
  VERSIONS_BY_GENERATION = {
    generation_1: {
      version_groups: ["red", "blue", "yellow"],
      versions: ["red", "blue", "yellow"]
    },
    generation_2: {
      version_groups: ["gold", "silver", "crystal"],
      versions: ["gold", "silver", "crystal"]
    },
    generation_3: {
      version_groups: ["ruby", "sapphire", "emerald", "firered", "leafgreen"],
      versions: ["ruby", "sapphire", "emerald", "firered", "leafgreen"]
    },
    generation_4: {
      version_groups: ["diamond", "pearl", "platinum", "heartgold", "soulsilver"],
      versions: ["diamond", "pearl", "platinum", "heartgold", "soulsilver"]
    },
    generation_5: {
      version_groups: ["black", "white", "black-2", "white-2"],
      versions: ["black", "white", "black-2", "white-2"]
    },
    generation_6: {
      version_groups: ["x", "y", "omega-ruby", "alpha-sapphire"],
      versions: ["x", "y", "omega-ruby", "alpha-sapphire"]
    },
    generation_7: {
      version_groups: ["sun", "moon", "ultra-sun", "ultra-moon", "lets-go-pikachu", "lets-go-eevee"],
      versions: ["sun", "moon", "ultra-sun", "ultra-moon", "lets-go-pikachu", "lets-go-eevee"]
    },
    generation_8: {
      version_groups: ["sword", "shield", "brilliant-diamond", "shining-pearl", "legends-arceus"],
      versions: ["sword", "shield", "the-isle-of-armor", "the-crown-tundra", "brilliant-diamond", "shining-pearl", "legends-arceus"]
    },
    generation_9: {
      version_groups: ["scarlet", "violet"],
      versions: ["scarlet", "violet", "the-teal-mask", "the-indigo-disk"]
    }
  }

  VERSIONS_TO_VERSION_GROUPS = {
    "yellow": "yellow",
    "blue": "red-blue",
    "red": "red-blue",
    "gold": "gold-silver",
    "silver": "gold-silver",
    "crystal": "crystal",
    "ruby": "ruby-sapphire",
    "sapphire": "ruby-sapphire",
    "emerald": "emerald",
    "firered": "firered-leafgreen",
    "leafgreen": "firered-leafgreen",
    "diamond": "diamond-pearl",
    "pearl": "diamond-pearl",
    "platinum": "platinum",
    "heartgold": "heartgold-soulsilver",
    "soulsilver": "heartgold-soulsilver",
    "black": "black-white",
    "white": "black-white",
    "black-2": "black-white",
    "white-2": "black-white",
    "x": "x-y",
    "y": "x-y",
    "omega-ruby": "omega-ruby-alpha-sapphire",
    "alpha-sapphire": "omega-ruby-alpha-sapphire",
    "sun": "ultra-sun-ultra-moon",
    "moon": "ultra-sun-ultra-moon",
    "ultra-sun": "ultra-sun-ultra-moon",
    "ultra-moon": "ultra-sun-ultra-moon",
    "lets-go-eevee": "lets-go-pikachu-lets-go-eevee",
    "lets-go-pikachu": "lets-go-pikachu-lets-go-eevee",
    "sword": "sword-shield",
    "shield": "sword-shield",
    "brilliant-diamond": "brilliant-diamond-shining-pearl",
    "brilliant-pearl": "brilliant-diamond-shining-pearl",
    "legends-arceus": "legends-arceus",
    "scarlet": "scarlet-violet",
    "violet": "scarlet-violet"
  }

  VERSION_GROUPS_TO_VERSIONS = VERSIONS_TO_VERSION_GROUPS
                                 .each_with_object({}){|(k,v),o|(o[v]||=[])<<k}
end