Добавил генерацию колоды и улучшил бд

app/relations/cards.rb

@@ -1,9 +1,11 @@
+# frozen_string_literal: true
+
 module ClashDeckGenerator2
   module Relations
     class Cards < DB::Relation
       schema :cards, infer: true
 
-      def meta
+      def meta_cards_scope
         where(is_meta: 1)
       end
     end

app/repos/cards_repo.rb

@@ -1,9 +1,20 @@
+# frozen_string_literal: true
+
 module ClashDeckGenerator2
   module Repos
     class CardsRepo < DB::Repo[:cards]
+      commands :create
+
       def meta_cards
-        cards.meta.to_a
+        cards.meta_cards_scope.to_a
+      end
+
+      def all_cards
+        cards.to_a
+      end
+      def all
+       cards.to_a
       end
     end
   end
-end
+end 

app/services/deck_generator.rb

@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+module ClashDeckGenerator2
+  module Services
+    class DeckGenerator
+      DECK_SIZE = 8
+
+      def initialize(cards_repo:)
+        @cards_repo = cards_repo
+      end
+
+      def call(only_meta: true)
+        pool = only_meta ? @cards_repo.meta_cards : @cards_repo.all_cards
+        deck = sample_unique(pool, DECK_SIZE)
+
+        {
+          cards: deck,
+          avg_elixir: average_elixir(deck)
+        }
+      end
+
+      private
+
+      def sample_unique(pool, n)
+        raise "Not enough cards in pool (need #{n}, have #{pool.size})" if pool.size < n
+
+        pool.sample(n)
+      end
+
+      def average_elixir(deck)
+        sum = deck.sum { |c| c[:elixir_cost].to_i }
+        sum.fdiv(deck.size).round(2)
+      end
+    end
+  end
+end

config/db/seeds.rb

@@ -1,15 +1,71 @@
-# This seeds file should create the database records required to run the app.
-#
-# The code should be idempotent so that it can be executed at any time.
-#
-# To load the seeds, run `hanami db seed`. Seeds are also loaded as part of `hanami db prepare`.
+# frozen_string_literal: true
 
-# For example, if you have appropriate repos available:
-#
-#   category_repo = Hanami.app["repos.category_repo"]
-#   category_repo.create(title: "General")
-#
-# Alternatively, you can use relations directly:
-#
-#   categories = Hanami.app["relations.categories"]
-#   categories.insert(title: "General")
+repo = ClashDeckGenerator2::Repos::CardsRepo.new
+
+CARD_TYPES = %w[troop spell building].freeze
+RARITIES = %w[common rare epic legendary champion].freeze
+
+COMMON_CARDS = [
+  # ========================
+  # TROOPS
+  # ========================
+  { name: "Skeletons",        elixir_cost: 1, rarity: "common", type: "troop", is_meta: 1 },
+  { name: "Electro Spirit",   elixir_cost: 1, rarity: "common", type: "troop", is_meta: 0 },
+  { name: "Fire Spirit",      elixir_cost: 1, rarity: "common", type: "troop", is_meta: 0 },
+  { name: "Ice Spirit",       elixir_cost: 1, rarity: "common", type: "troop", is_meta: 0 },
+
+  { name: "Goblins",          elixir_cost: 2, rarity: "common", type: "troop", is_meta: 0 },
+  { name: "Spear Goblins",    elixir_cost: 2, rarity: "common", type: "troop", is_meta: 0 },
+  { name: "Bomber",           elixir_cost: 2, rarity: "common", type: "troop", is_meta: 0 },
+  { name: "Bats",             elixir_cost: 2, rarity: "common", type: "troop", is_meta: 0 },
+  { name: "Berserker",        elixir_cost: 2, rarity: "common", type: "troop", is_meta: 0 },
+
+  { name: "Archers",          elixir_cost: 3, rarity: "common", type: "troop", is_meta: 1 },
+  { name: "Knight",           elixir_cost: 3, rarity: "common", type: "troop", is_meta: 1 },
+  { name: "Minions",          elixir_cost: 3, rarity: "common", type: "troop", is_meta: 0 },
+  { name: "Goblin Gang",      elixir_cost: 3, rarity: "common", type: "troop", is_meta: 0 },
+  { name: "Skeleton Barrel",  elixir_cost: 3, rarity: "common", type: "troop", is_meta: 0 },
+  { name: "Firecracker",      elixir_cost: 3, rarity: "common", type: "troop", is_meta: 1 },
+  { name: "Skeleton Dragons", elixir_cost: 4, rarity: "common", type: "troop", is_meta: 0 },
+  { name: "Barbarians",       elixir_cost: 5, rarity: "common", type: "troop", is_meta: 0 },
+  { name: "Minion Horde",     elixir_cost: 5, rarity: "common", type: "troop", is_meta: 1 },
+  { name: "Rascals",          elixir_cost: 5, rarity: "common", type: "troop", is_meta: 1 },
+  { name: "Royal Giant",      elixir_cost: 6, rarity: "common", type: "troop", is_meta: 1 },
+  { name: "Elite Barbarians", elixir_cost: 6, rarity: "common", type: "troop", is_meta: 0 },
+  { name: "Royal Recruits",   elixir_cost: 7, rarity: "common", type: "troop", is_meta: 0 },
+
+  # ========================
+  # SPELLS
+  # ========================
+  { name: "Zap",              elixir_cost: 2, rarity: "common", type: "spell", is_meta: 1 },
+  { name: "Giant Snowball",   elixir_cost: 2, rarity: "common", type: "spell", is_meta: 0 },
+  { name: "Arrows",           elixir_cost: 3, rarity: "common", type: "spell", is_meta: 0 },
+  { name: "Royal Delivery",   elixir_cost: 3, rarity: "common", type: "spell", is_meta: 0 },
+
+  # ========================
+  # BUILDINGS
+  # ========================
+  { name: "Cannon",           elixir_cost: 3, rarity: "common", type: "building", is_meta: 0 },
+  { name: "Mortar",           elixir_cost: 4, rarity: "common", type: "building", is_meta: 0 },
+  { name: "Tesla",            elixir_cost: 4, rarity: "common", type: "building", is_meta: 0 }
+].freeze
+
+CARDS = COMMON_CARDS
+
+CARDS.each do |c|
+  raise "Missing name" if c[:name].nil? || c[:name].strip.empty?
+  raise "Missing elixir_cost for #{c[:name]}" if c[:elixir_cost].nil?
+  raise "Missing rarity for #{c[:name]}" if c[:rarity].nil?
+  raise "Missing type for #{c[:name]}" if c[:type].nil?
+
+  raise "Unknown rarity: #{c[:rarity]} for #{c[:name]}" unless RARITIES.include?(c[:rarity])
+  raise "Unknown type: #{c[:type]} for #{c[:name]}" unless CARD_TYPES.include?(c[:type])
+end
+
+names = CARDS.map { |c| c[:name] }
+duplicates = names.group_by { |name| name }.select { |_k, v| v.size > 1 }.keys
+raise "Duplicate cards found: #{duplicates.join(', ')}" if duplicates.any?
+
+CARDS.each do |card|
+  repo.create(card)
+end

script/test_deck.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+require_relative "../config/app"
+
+Hanami.app.prepare
+
+repo = ClashDeckGenerator2::Repos::CardsRepo.new
+cards = repo.all.select { |card| card.rarity == "common" }
+
+raise "No common cards found in DB." if cards.empty?
+raise "Not enough common cards to build a deck. Need at least 8, got #{cards.size}." if cards.size < 8
+
+deck = cards.sample(8)
+
+puts "========================================"
+puts "DECK GENERATED SUCCESSFULLY"
+puts "========================================"
+
+deck.each_with_index do |card, index|
+  puts "#{index + 1}. #{card.name} | #{card.type} | #{card.rarity} | #{card.elixir_cost}"
+end
+
+puts "----------------------------------------"
+puts "Cards count: #{deck.size}"
+
+names = deck.map(&:name)
+puts "Unique cards count: #{names.uniq.size}"
+
+avg_elixir = deck.sum(&:elixir_cost).to_f / deck.size
+puts "Average elixir: #{avg_elixir.round(2)}"
+puts "========================================"