Rally & Agitate action classes

1 files changed, 79 insertions, 0 deletions

diff --git a/lib/colonial_twilight/actions/action.rb b/lib/colonial_twilight/actions/action.rb
new file mode 100644
index 0000000..3be8483
--- /dev/null
+++ b/lib/colonial_twilight/actions/action.rb
@@ -0,0 +1,79 @@
+# frozen_string_literal: true
+
+module ColonialTwilight
+  module Actions
+    class GameAction
+      def initialize(faction:, space:, cost: 0, mode: nil)
+        @data = {
+          faction: faction,
+          space: space,
+          cost: cost,
+          mode: mode
+        }
+        validate!
+      end
+
+      def faction
+        @data[:faction]
+      end
+
+      def space
+        @data[:space]
+      end
+
+      def cost
+        @data[:cost]
+      end
+
+      def mode
+        @data[:mode]
+      end
+
+      def to_h
+        @data.merge(type: self.class.name.split('::')[-1])
+      end
+
+      def validate!
+        raise "not applicable to #{@data[:space]}" unless self.class.applicable?(@data[:space])
+
+        available = self.class.available_modes(@data[:space])
+        @data[:mode].each do |key, value|
+          raise "mode: #{key} is not available" unless available.key?(key)
+
+          max_allowed = available[key]
+          raise "value: #{key} set to #{value}, max is #{max_allowed}" if value > max_allowed
+        end
+      end
+
+      def apply!
+        raise NotImplementedError
+      end
+
+      def revert!
+        raise NotImplementedError
+      end
+
+      class << self
+        def op?
+          false
+        end
+
+        def special?
+          false
+        end
+
+        def applicable?(space)
+          raise NotImplementedError
+        end
+
+        def available_modes(_space)
+          nil
+        end
+
+        def possible_spaces(board)
+          board.search(&method(:applicable?))
+        end
+      end
+    end
+  end
+end