require 'toml'

module ErrandBoy
  class Request
    attr_reader :sender, :provider, :action, :register, :destination, :path

    def self.dir
      File.expand_path 'requests'
    end

    def initialize(path)
      @path = path.to_s
      request.each do |key, value|
        instance_variable_set("@#{key}", value)
      end
      @sender = '' unless instance_variable_defined? :@sender
    end

    def rename
      timestamp = Time.now.strftime '%y%m%d%H%M%S'
      index = path.index('.toml')
      File.rename path, path.dup.insert(index, "_#{timestamp}")
    end

    def delete
      File.delete path
    end

    private

    def request
      TOML.load_file(path)
    rescue Errno::ENOENT
      raise NoRequestError, 'No such request file in this commit. ' \
       'You should add a request file to `requests/` folder.'
    end
  end
end