#--
# wwwjdic
# Copyright © 2014, 2015, 2016, 2017, 2018, 2019  Marco Bresciani
#
# This file is part of wwwjdic.
#
# wwwjdic is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation, either version 3 of the License, or (at your
# option) any later version.
#
# wwwjdic is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License
# along with wwwjdic. If not, see <http://www.gnu.org/licenses/>.
#++

require_relative '../constants'
require_relative '../utils/raisers'

module WWWJDic
  module Parsers

    # This class is an implementation of the Parsable duck type that
    # checks the dictionary type. The only needed parameter is a valid
    # dictionary.
    #
    # n = dictionary to use (1 = EDICT, 3 = ENAMDICT, etc. Examine the
    # source of one of the pages to get the full list of codes.)
    #
    # Author:: {Marco Bresciani}[mailto:marcobresciani_1974@libero.it]
    # Copyright:: Copyright © 2014, 2015, 2016, 2017, 2018, 2019  Marco Bresciani
    # License:: GNU General Public License version 3
    class Dict
      include Utils::Raisers

      # The parsable duck type interface to every parser usage.
      def parse(value = '1')
        raise ArgumentError, I18n.t('error.nil') if value.nil?
        raise ArgumentError, I18n.t('error.param', value: value) unless value.respond_to? :length
        raise ArgumentError, I18n.t('error.param', value: value) if value.empty?

        if value.length == 1
          raiser_array('error.param', value, DICTIONARY_CODES)
          value
        else
          if value.length > 1
            raiser_array('error.param', value, DICTIONARY_NAMES)
            DICTS_BY_NAMES[value]
          end
        end
      end
    end
  end
end