module AnnotateRb
  module ModelAnnotator
    # This module provides module method to get file paths.
    module FilePatterns
      # Controller files
      CONTROLLER_DIR       = File.join('app', 'controllers')

      # Active admin registry files
      ACTIVEADMIN_DIR      = File.join('app', 'admin')

      # Helper files
      HELPER_DIR           = File.join('app', 'helpers')

      # File.join for windows reverse bar compat?
      # I dont use windows, can`t test
      UNIT_TEST_DIR        = File.join('test', 'unit')
      MODEL_TEST_DIR       = File.join('test', 'models') # since rails 4.0
      SPEC_MODEL_DIR       = File.join('spec', 'models')

      FIXTURE_TEST_DIR     = File.join('test', 'fixtures')
      FIXTURE_SPEC_DIR     = File.join('spec', 'fixtures')

      # Other test files
      CONTROLLER_TEST_DIR  = File.join('test', 'controllers')
      CONTROLLER_SPEC_DIR  = File.join('spec', 'controllers')
      REQUEST_SPEC_DIR     = File.join('spec', 'requests')
      ROUTING_SPEC_DIR     = File.join('spec', 'routing')

      # Object Daddy http://github.com/flogic/object_daddy/tree/master
      EXEMPLARS_TEST_DIR   = File.join('test', 'exemplars')
      EXEMPLARS_SPEC_DIR   = File.join('spec', 'exemplars')

      # Machinist http://github.com/notahat/machinist
      BLUEPRINTS_TEST_DIR  = File.join('test', 'blueprints')
      BLUEPRINTS_SPEC_DIR  = File.join('spec', 'blueprints')

      # Factory Bot https://github.com/thoughtbot/factory_bot
      FACTORY_BOT_TEST_DIR = File.join('test', 'factories')
      FACTORY_BOT_SPEC_DIR = File.join('spec', 'factories')

      # Fabrication https://github.com/paulelliott/fabrication.git
      FABRICATORS_TEST_DIR = File.join('test', 'fabricators')
      FABRICATORS_SPEC_DIR = File.join('spec', 'fabricators')

      # Serializers https://github.com/rails-api/active_model_serializers
      SERIALIZERS_DIR      = File.join('app',  'serializers')
      SERIALIZERS_TEST_DIR = File.join('test', 'serializers')
      SERIALIZERS_SPEC_DIR = File.join('spec', 'serializers')

      class << self
        def generate(root_directory, pattern_type, options)
          case pattern_type
          when 'test'       then test_files(root_directory)
          when 'fixture'    then fixture_files(root_directory)
          when 'scaffold'   then scaffold_files(root_directory)
          when 'factory'    then factory_files(root_directory)
          when 'serializer' then serialize_files(root_directory)
          when 'additional_file_patterns'
            [options[:additional_file_patterns] || []].flatten
          when 'controller'
            [File.join(root_directory, CONTROLLER_DIR, '%PLURALIZED_MODEL_NAME%_controller.rb')]
          when 'admin'
            [
              File.join(root_directory, ACTIVEADMIN_DIR, '%MODEL_NAME%.rb'),
              File.join(root_directory, ACTIVEADMIN_DIR, '%PLURALIZED_MODEL_NAME%.rb')
            ]
          when 'helper'
            [File.join(root_directory, HELPER_DIR, '%PLURALIZED_MODEL_NAME%_helper.rb')]
          else
            []
          end
        end

        private

        def test_files(root_directory)
          [
            File.join(root_directory, UNIT_TEST_DIR,  '%MODEL_NAME%_test.rb'),
            File.join(root_directory, MODEL_TEST_DIR, '%MODEL_NAME%_test.rb'),
            File.join(root_directory, SPEC_MODEL_DIR, '%MODEL_NAME%_spec.rb')
          ]
        end

        def fixture_files(root_directory)
          [
            File.join(root_directory, FIXTURE_TEST_DIR, '%TABLE_NAME%.yml'),
            File.join(root_directory, FIXTURE_SPEC_DIR, '%TABLE_NAME%.yml'),
            File.join(root_directory, FIXTURE_TEST_DIR, '%PLURALIZED_MODEL_NAME%.yml'),
            File.join(root_directory, FIXTURE_SPEC_DIR, '%PLURALIZED_MODEL_NAME%.yml')
          ]
        end

        def scaffold_files(root_directory)
          [
            File.join(root_directory, CONTROLLER_TEST_DIR, '%PLURALIZED_MODEL_NAME%_controller_test.rb'),
            File.join(root_directory, CONTROLLER_SPEC_DIR, '%PLURALIZED_MODEL_NAME%_controller_spec.rb'),
            File.join(root_directory, REQUEST_SPEC_DIR,    '%PLURALIZED_MODEL_NAME%_spec.rb'),
            File.join(root_directory, ROUTING_SPEC_DIR,    '%PLURALIZED_MODEL_NAME%_routing_spec.rb')
          ]
        end

        def factory_files(root_directory)
          [
            File.join(root_directory, EXEMPLARS_TEST_DIR,   '%MODEL_NAME%_exemplar.rb'),
            File.join(root_directory, EXEMPLARS_SPEC_DIR,   '%MODEL_NAME%_exemplar.rb'),
            File.join(root_directory, BLUEPRINTS_TEST_DIR,  '%MODEL_NAME%_blueprint.rb'),
            File.join(root_directory, BLUEPRINTS_SPEC_DIR,  '%MODEL_NAME%_blueprint.rb'),
            File.join(root_directory, FACTORY_BOT_TEST_DIR, '%MODEL_NAME%_factory.rb'),    # (old style)
            File.join(root_directory, FACTORY_BOT_SPEC_DIR, '%MODEL_NAME%_factory.rb'),    # (old style)
            File.join(root_directory, FACTORY_BOT_TEST_DIR, '%TABLE_NAME%.rb'),            # (new style)
            File.join(root_directory, FACTORY_BOT_SPEC_DIR, '%TABLE_NAME%.rb'),            # (new style)
            File.join(root_directory, FACTORY_BOT_TEST_DIR, '%PLURALIZED_MODEL_NAME%.rb'), # (new style)
            File.join(root_directory, FACTORY_BOT_SPEC_DIR, '%PLURALIZED_MODEL_NAME%.rb'), # (new style)
            File.join(root_directory, FABRICATORS_TEST_DIR, '%MODEL_NAME%_fabricator.rb'),
            File.join(root_directory, FABRICATORS_SPEC_DIR, '%MODEL_NAME%_fabricator.rb')
          ]
        end

        def serialize_files(root_directory)
          [
            File.join(root_directory, SERIALIZERS_DIR,      '%MODEL_NAME%_serializer.rb'),
            File.join(root_directory, SERIALIZERS_TEST_DIR, '%MODEL_NAME%_serializer_test.rb'),
            File.join(root_directory, SERIALIZERS_SPEC_DIR, '%MODEL_NAME%_serializer_spec.rb')
          ]
        end
      end
    end
  end
end