# frozen_string_literal: true

module ClashDeckGenerator2
  module Actions
    module Decks
      class Generate < ClashDeckGenerator2::Action
        include Deps[view: "views.home.index"]

        def handle(_req, res)
          roles_repo = ClashDeckGenerator2::Services::CardRolesRepository.new
          cards_repo = ClashDeckGenerator2::Repos::CardsRepo.new

          generator = ClashDeckGenerator2::Services::DeckGenerator.new(
            cards_repo: cards_repo,
            roles_repo: roles_repo
          )

          deck = unwrap(generator.call)

          res.render(
            view,
            deck: deck,
            roles_repo: roles_repo,
            stats: build_stats(deck)
          )
        end

        private

        def unwrap(result)
          if result.is_a?(Array) && result.first == :cards
            result.last
          else
            result
          end
        end

        def build_stats(deck)
          {
            cards_count: deck.size,
            average_elixir: (deck.sum(&:elixir_cost).to_f / deck.size).round(2),
            spells_count: deck.count { |c| c.type == "spell" },
            troops_count: deck.count { |c| c.type == "troop" },
            buildings_count: deck.count { |c| c.type == "building" },
            champions_count: deck.count { |c| c.rarity == "champion" },
            heroes_count: deck.count { |c| c.rarity == "hero" },
            evolutions_count: deck.count { |c| c.rarity == "evolution" },
            meta_cards_count: deck.count { |c| c.is_meta == 1 }
          }
        end
      end
    end
  end
end