From 584b1aa4466df00fffa3dc397fb6d3d266a878cd Mon Sep 17 00:00:00 2001
From: Slavunderkind <smcankova@gmail.com>
Date: Fri, 27 Jan 2017 16:56:59 +0200
Subject: [PATCH 1/2] Simple solution for war task

---
 Training/Medium/war.rb | 122 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 Training/Medium/war.rb

diff --git a/Training/Medium/war.rb b/Training/Medium/war.rb
new file mode 100644
index 0000000..ddb22c6
--- /dev/null
+++ b/Training/Medium/war.rb
@@ -0,0 +1,122 @@
+# Solution for https://www.codingame.com/ide/puzzle/winamax-battle
+class War
+  attr_accessor :rounds, :player1, :player2, :stop
+
+  def initialize
+    @rounds = 0
+    player1_cards_number = gets.to_i
+    @player1 = Player.new(player1_cards_number)
+    player2_cards_number = gets.to_i
+    @player2 = Player.new(player2_cards_number)
+    @stop = nil
+  end
+
+  def equal_game?
+    player1.cards.size < 4 || player2.cards.size < 4
+  end
+
+  def war(p1_card, p2_card)
+    if equal_game?
+      self.stop = true
+    else
+      p1_war_cards = init_war_cards(player1.cards)
+      p2_war_cards = init_war_cards(player2.cards)
+      if player1.cards_on_table.any?
+        player1.init_cards_on_table(p1_war_cards)
+        player2.init_cards_on_table(p2_war_cards)
+      else
+        player1.init_cards_on_table(([p1_card] + p1_war_cards).flatten)
+        player2.init_cards_on_table(([p2_card] + p2_war_cards).flatten)
+      end
+      battle(p1_war_cards.last, p2_war_cards.last)
+    end
+  end
+
+  def init_war_cards(player_cards)
+    Array.new(4) { player_cards.pop }
+  end
+
+  def battle(p1_card, p2_card)
+    p1_strength = player1.card_strength(p1_card)
+    p2_strength = player2.card_strength(p2_card)
+    cards = [p1_card, p2_card]
+    if player1.cards_on_table.any?
+      cards = player1.cards_on_table + player2.cards_on_table
+    end
+    if p1_strength == p2_strength
+      war(p1_card, p2_card)
+    else
+      if p1_strength > p2_strength
+        player1.take_cards(cards)
+      else
+        player2.take_cards(cards)
+      end
+      clean_cards_on_table
+    end
+  end
+
+  def clean_cards_on_table
+    player1.clean_cards_on_table
+    player2.clean_cards_on_table
+  end
+
+  def result
+    if stop
+      'PAT'
+    else
+      winner = 1
+      winner = 2 if player1.cards.size < player2.cards.size
+      "#{winner} #{rounds}"
+    end
+  end
+
+  def start_game
+    while !player1.cards.empty? && !player2.cards.empty? && stop.nil?
+      self.rounds += 1
+      battle(player1.cards.pop, player2.cards.pop)
+    end
+    result
+  end
+end
+
+# Child class representing player
+class Player
+  attr_accessor :cards, :card_strength, :cards_on_table
+  attr_reader :cards_number, :cards_strength
+
+  def initialize(cards_number)
+    @cards_strength = %w(2 3 4 5 6 7 8 9 10 J Q K A)
+    @cards_number = cards_number
+    @cards = init_cards
+    @cards_on_table = []
+  end
+
+  def init_cards
+    cards = Queue.new
+    cards_number.times do
+      cards << gets.chomp
+    end
+    cards
+  end
+
+  def card_strength(card)
+    cards_strength.index(card[0...-1])
+  end
+
+  def take_cards(cards)
+    cards.each do |card|
+      self.cards << card
+    end
+  end
+
+  def init_cards_on_table(cards)
+    cards.each { |card| cards_on_table << card }
+  end
+
+  def clean_cards_on_table
+    self.cards_on_table = []
+  end
+end
+
+war = War.new
+puts war.start_game

From 3eeb43bca8c6ba1ecfa3c30b88dc0c2370a14c46 Mon Sep 17 00:00:00 2001
From: Slavunderkind <smcankova@gmail.com>
Date: Mon, 30 Jan 2017 16:45:52 +0200
Subject: [PATCH 2/2] Make code more readable

---
 Training/Medium/war.rb | 74 ++++++++++++++++++++++++------------------
 1 file changed, 42 insertions(+), 32 deletions(-)

diff --git a/Training/Medium/war.rb b/Training/Medium/war.rb
index ddb22c6..8f643ca 100644
--- a/Training/Medium/war.rb
+++ b/Training/Medium/war.rb
@@ -1,6 +1,6 @@
 # Solution for https://www.codingame.com/ide/puzzle/winamax-battle
 class War
-  attr_accessor :rounds, :player1, :player2, :stop
+  attr_accessor :rounds, :player1, :player2, :stop, :p1_war_cards, :p2_war_cards, :p1_card, :p2_card
 
   def initialize
     @rounds = 0
@@ -8,53 +8,57 @@ def initialize
     @player1 = Player.new(player1_cards_number)
     player2_cards_number = gets.to_i
     @player2 = Player.new(player2_cards_number)
-    @stop = nil
   end
 
   def equal_game?
     player1.cards.size < 4 || player2.cards.size < 4
   end
 
-  def war(p1_card, p2_card)
+  def chained_war_cards
+    p1_war_cards.unshift(p1_card)
+    p2_war_cards.unshift(p2_card)
+  end
+
+  def war
+    init_war_cards
+    chained_war_cards if player1.cards_on_table.empty?
+    player1.init_cards_on_table(p1_war_cards)
+    player2.init_cards_on_table(p2_war_cards)
+  end
+
+  def init_war_cards
+    self.p1_war_cards = Array.new(4) { player1.cards.pop }
+    self.p2_war_cards = Array.new(4) { player2.cards.pop }
+  end
+
+  def equal_cards
     if equal_game?
       self.stop = true
     else
-      p1_war_cards = init_war_cards(player1.cards)
-      p2_war_cards = init_war_cards(player2.cards)
-      if player1.cards_on_table.any?
-        player1.init_cards_on_table(p1_war_cards)
-        player2.init_cards_on_table(p2_war_cards)
-      else
-        player1.init_cards_on_table(([p1_card] + p1_war_cards).flatten)
-        player2.init_cards_on_table(([p2_card] + p2_war_cards).flatten)
-      end
-      battle(p1_war_cards.last, p2_war_cards.last)
+      war
+      battle
     end
   end
 
-  def init_war_cards(player_cards)
-    Array.new(4) { player_cards.pop }
-  end
-
-  def battle(p1_card, p2_card)
+  def compare_players_cards
     p1_strength = player1.card_strength(p1_card)
     p2_strength = player2.card_strength(p2_card)
-    cards = [p1_card, p2_card]
-    if player1.cards_on_table.any?
-      cards = player1.cards_on_table + player2.cards_on_table
-    end
-    if p1_strength == p2_strength
-      war(p1_card, p2_card)
+    equal_cards if p1_strength == p2_strength
+    cards = player1.cards_on_table + player2.cards_on_table
+    if p1_strength > p2_strength
+      player1.take_cards(cards)
     else
-      if p1_strength > p2_strength
-        player1.take_cards(cards)
-      else
-        player2.take_cards(cards)
-      end
-      clean_cards_on_table
+      player2.take_cards(cards)
     end
   end
 
+  def battle
+    self.p1_card = player1.cards_on_table.last
+    self.p2_card = player2.cards_on_table.last
+    compare_players_cards
+    clean_cards_on_table
+  end
+
   def clean_cards_on_table
     player1.clean_cards_on_table
     player2.clean_cards_on_table
@@ -70,10 +74,16 @@ def result
     end
   end
 
+  def game_not_ended?
+    !player1.cards.empty? && !player2.cards.empty? && stop.nil?
+  end
+
   def start_game
-    while !player1.cards.empty? && !player2.cards.empty? && stop.nil?
+    while game_not_ended?
       self.rounds += 1
-      battle(player1.cards.pop, player2.cards.pop)
+      player1.init_cards_on_table([player1.cards.pop])
+      player2.init_cards_on_table([player2.cards.pop])
+      battle
     end
     result
   end