# frozen_string_literal: true

#--
# wwwjdic
# rubocop:disable Style/AsciiComments
# © 2014 Marco Bresciani
# rubocop:enable Style/AsciiComments
#
# 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/>.
#
# SPDX-FileCopyrightText: 2014 Marco Bresciani
#
# SPDX-License-Identifier: GPL-3.0-or-later
#++

require 'i18n'
require 'json'

require_relative '../constants'

module WWWJDic
  # This class is a simple API to interact with WWWJDic Backboor
  # Entry/API.
  # Author:: {Marco Bresciani}[mailto:marcobresciani_1974@libero.it]
  # Copyright:: (C) 2014 Marco Bresciani
  # License:: GNU General Public License version 3
  class Splitter
    # Creates a +Splitter+ object.
    #
    # Usage:: <tt>new_splitter = Splitter.new translation_content</tt>
    # Returns:: a +Splitter+ object.
    def initialize(translation)
      @translation = translation.force_encoding('UTF-8')
    end

    def title
      Regexp.last_match(1) if %r{<TITLE>(.*)</TITLE>}.match @translation
    end

    def translation
      Regexp.last_match(1).strip if %r{<pre>(.*)</pre>}m.match @translation
    end

    def message
      return Regexp.last_match(1).strip unless @translation.nil? || !/<p>(.*)<p>/m.match(@translation)

      Regexp.last_match(1) if @translation.nil? && /<p>(.*)<pre>/m.match(@translation)
    end

    def lines
      result = []
      translation.each_line do |a_line|
        stripped_line = a_line.strip
        result.push stripped_line unless stripped_line.empty?
      end
      result unless result.empty?
    end

    # @return [Array] the arrays of elements containing the answer
    def content
      result = []
      lines.each do |a_line|
        inner = {}
        fill_inner_data(a_line, inner)
        inner[:meanings] = inner[:text].split('/') if inner[:text].include? '/'
        result.push inner unless inner.empty?
      end

      result unless result.empty?
    end

    private

    def fill_inner_data(a_line, inner)
      if /(.*)\[/m.match a_line
        inner[:word] = Regexp.last_match(1).strip
        inner[:kana] = Regexp.last_match(1).strip if /\[(.*)\]/m.match a_line
        inner[:text] = Regexp.last_match(1).strip if %r{\] /(.*)/}m.match a_line
      else
        inner[:kana] = Regexp.last_match(1).strip if %r{^(.*)(\s)/}m.match a_line
        inner[:word] = inner[:kana]
        inner[:text] = Regexp.last_match(1).strip if %r{/(.*)/}m.match a_line
      end
    end
  end
end