require 'fileutils'
require_relative 'base_generator'
require 'erb'
require 'find'
require 'ro_core_ext/string'
require 'active_support'

module RoCommands
  module Generators
    class SpecFile

      include BaseGenerator

      class << self

        def create(file_name)
          super if defined? super
          @file_name = file_name
          FileUtils.mkpath dir
          template
        end

        private

        def dir
          @dir ||= 'spec'
        end

        # get dir file
        def get_df
          if file_name
            f = File.basename file_name
            if file_name.match(%r{/})
              d = file_name.split("/").first
            else
              d = ''
            end
          end
          return d, f
        end

        def constant_name
          if path
            r = File.basename(path).gsub(%r{_spec\.rb}) do |m|
              ""
            end

            r.camelize
          end
        end

        def path
          lib_d, lib_f = get_df
          #puts "d:#{d}   line:#{__LINE__}"
          if test(?d, 'lib')
            lib_dirs = Find.find('lib').select do |f|
              test(?d, f)
            end
            #dir_full_path = lib_dirs.grep(%r{#{d.implicit}}).first || 'lib'
            if lib_d.blank?
              Find.find("lib") do |path|
                if test(?f, path)
                  basename = File.basename(path).gsub(%r{\.\w+$}, "")
                  if basename.match(%r{#{lib_f.implicit}})
                    @file = path
                    @dir_full_path = File.dirname(path)
                  end
                end
              end
            else
              @dir_full_path = lib_dirs.select do |dir|
                dir.split("/").last.match(%r{#{lib_d.implicit}})
              end.first

              files = Find.find(@dir_full_path).select do |file|
                if test(?f, file)
                  basename = File.basename file
                  basename.match(%r{^#{lib_f.implicit}})
                end
              end

              @file = files.first.gsub(%r{\.rb}, "")
            end

            basename = File.basename(@file).gsub(%r{\.\w+$}, "")
            spec_file = "#{basename}_spec.rb"
            File.join(dir, @dir_full_path, spec_file)
          end
        end

        def to
          super if defined? super

          unless test(?f, path)
            file_write(path)
          end

          @created_file = path
        end
      end
    end
  end
end