import 'package:pokedex/filters.dart';
import 'package:pokedex/pokemon.dart';

class SessionData {
  static bool darkMode = false;
  static int highest = 9;
  static int _cachedHighest = -1;

  static void resetHighestGenCache() {
    _cachedHighest = -1;
  }

  static int highestGenID() {
    if (_cachedHighest != -1) return _cachedHighest;
    List<Generation> gens = [];

    if (highest >= 9) gens.add(Generation.Nine);
    if (highest >= 8) gens.add(Generation.Eight);
    if (highest >= 7) gens.add(Generation.Seven);
    if (highest >= 6) gens.add(Generation.Six);
    if (highest >= 5) gens.add(Generation.Five);
    if (highest >= 4) gens.add(Generation.Four);
    if (highest >= 3) gens.add(Generation.Three);
    if (highest >= 2) gens.add(Generation.Two);
    if (highest >= 1) gens.add(Generation.One);

    int max = 0;
    // Iterate over the list, and get the count of all pokemon from a specific generation
    for (var gen in gens) {
      for (var pokemon in Pokemon.values) {
        if (pokemon.generation == gen) max++;
      }
    }

    _cachedHighest = max;

    return max;
  }
}